Where power meets precision
Contents
1. 0 1 of range degree typical Select from OFF 2 MHz 1 28 MHz 640 kHz 320 kHz 160 kHz 80 kHz 40 kHz 20 kHz and 10 kHz Cut off characteristics 18 dB OCT when 2 MHz Typical Method Frequency range PLL synchronization method not available for external sampling clock function The range for the fundamental frequency of the PLL source is 20 Hz to 6 4 kHz and sampling frequency is more than 2 MS s Time div is 2 ms div or higher ACQ Time Base is set to Int FFT data length Window function 8192 the analysis calculation start point can be set freely in the acquisition memory data Rectangular Sample rages window width Fundamental freq Sample rate Window width Upper limit of harmonics and upper limits of harmonic 20 Hz to 600 Hz f x 1024 8 cycles 500 order analysis 600 Hz to 1200 Hz f x 512 16 cycles 255 order 1200 Hz to 2600 Hz f x 256 82 cycles 100 order 2600 Hz to 6400 Hz f x 128 64 cycles 50 order 5 unit KHz Accuracy Line filter OFF Add below expression to normal measurement Voltage amp current 0 001 x f 0 001 x n of reading 0 1 of range Power 0 002 x f 0 002 x n of reading 0 2 of range Waveform data acquisition and display Accuracy Frequency measurement range DC 0 5 of range typical Measured under the standard operating conditions 2 Hz to 1 MHz displaying range 1 8 Hz to 2 MHz Pulse width 500 ns or wider Accuracy Trigger2. Due to the nature of this product it is possible to touch its mental parts Therefore there is a risk of electric shock so the product must be used with caution 1 Use these products with low voltage circuits 42 V or less The number of current probes that can be powered from the main frame s power supply is limited Any number of externally powered probes can be used Yokogawa s approach to preserving the global environment m Yokogawa s electrical products are developed and produced in facilities that have received I5014001 approval m In order to protect the global environment Yokogawa s electrical products are designed in accordance with Yokogawa s Environmentally Friendly Product Design Guidelines and Product Design Assessment Criteria Notice m Before operating the product read the user s manual thoroughly for proper and safe operation m If this product is for use with a system requiring safeguards that directly involve personnel safety please contact the Yokogawa offices This is a Class A instrument based on Emission standards EN61326 1 and EN55011 and is designed for an industrial environment Operation of this equipment in a residential area may cause radio interference in which case users will be responsible for any interference which they cause Any company s names and product names mentioned in this document are trade names trademarks or registered trademarks of their respective companies T
3. Y2 Y1 1 7314 450000 0us Features and benefits Features and benefits Transient power measurement and analysis F PI 168 38 1 7608 120 88 0 7519 88 22 90 89 0 9707 09 996 Simultaneous power calculation The PX8000 provides simultaneous voltage and current multiplication to give real time power sampling This supports both transient measurement as standard and numerical values averaged across the sample period The available measurement period will depend on the sample rate and the memory size Cycle by cycle power trend measurement Trend measurements between waveforms can be calculated by mathematical functions up to four million points The PX8000 provides graphical displays of voltage current and power readings The waveforms can be inspected for specific numerical values at any point and averages can be calculated between start and stop cursors Such capabilities are particularly important when analyzing and optimizing the performance of for instance lighting and electric motors at start up PX8000 The PX8000 has a number of innovative features that support the crucial measurement and analysis of transient power profiles Specific time period measurement The PX8000 supports the capture of power waveforms over specific periods of time through the definition of start and stop cursors This is particularly useful for examining transient phenomena and in t
4. Power Factor Phase Angle deg Sigma Items Lambda P S Phi cos P S Harmonic analysis function Option Voltage V Uk k th order voltage true rms value U total voltage true rms value When k 0 it shows DC component Current A I k k th order current true rms value total current true rms value When k O it shows DC component YOKOGAWA Active Power W P k k th order active power value P total active power value When k 0 it shows DC component Apparent Power VA Reactive Power Var S k k th order apparent power value S total apparent power value When k 0 it shows DC component Q k k th order reactive power value Q total reactive power value When k 0 it shows O Power Factor Phase Angle deg Delta Function Lambda k k th order power factor value Lambda total power factor value Phi k Phase angle between k th order voltage and current Phi Phase angle of current refers to voltage waveform PhiU k Phase angle of k th order voltage refers to the fundamental voltage U 1 Phil k Phase angle of k th order current refers to the fundamental current I 1 Voltage V DeltaU1 to DeltaU3 and Delta Usigma Current A Deltal Power W Delta P1 to Delta P3 and Delta PSigma AUX analysis function Torque and Speed input AUX1 Pulse input or Analog input AUX2 AUX 1x2 Accuracy Pulse input or Analog input Mechanical power calculation Acc
5. x 0 1 to x 100 Can be set the scale using upper and lower limits or switch between different scales Roll Mode Analysis Functions Power value calculation Roll mode is enabled automatically when the trigger mode is set to Auto Auto Level Single or On Start and the time axis setting is greater than or equal to 100 ms div Calculate Voltage Current Power Delta parameters frequency and AUX values from captured waveforms Apparent power reactive power and power factor and those Sigma values are calculated from the Voltage Current and Power values Automated measurement of Waveform parameters Statistic processing Up to 24 items can be displayed P P Amp Max Min High Low Avg Mid Rms Sdev OvrShoot OvrShoot Rise Fall Freq Period Width Width Duty Pulse Burst1 Burst2 AvgFrea AvgPeriod IntiTy Int2TY Int1XY Int2XY Int1hXY IntegPower IntegCurrent Int2hXY IntegPower IntegCurrent Application items Automated measurement values of waveform parameters Statistical items Max Min Avg Sdv and Cnt Cyclic statistical processing Automatically measured the waveform parameters of the data in the acquisition memory and performs statistical processing on the parameters once per period User defined computation MATH User defined computation numeric Max 8 expressions for waveforms MATH1 to MATH8 Max 4 Mpoint regarding Digital filter SHIFT ABS SQRT LOG EXP NEG S
6. 10 s div 20 s div 30 s div 1 min div and 2 min div Observation time 1us to 1200 s Display Available displaying size 10 4 inch TFT LCD display 210 4 mm x 157 8 mm Number of dots Waveform displaying dot size 1024 x 768 XGA 801 x 656 Waveform Display Displaying format Combination Max 2 types of format can be displayed Numeric 4 items 8 items 16 items Matrix All Single List Dual List Custom Wave 1 2 3 4 6 8 12 16 Bar Single Dual Triad Vector Single Dual ZOOM1 and ZOOM divided lower display area FFT1 and FFT2 divided lower display area XY1 and XY2 divided lower display area Display update Numerical Display Depends on setting of observation time and record length Displaying functions Please refer to Measurement function Max digit of numeric display Number of displayed items Waveform Display Displaying items Selected full 5 digits displaying 99999 or 6 digits 999999 Select from 4 8 16 Matrix Al Single List Dual List and Custom Maximum 16 waveforms Voltage current and power of Element 1 Voltage current and power of Element 2 or AUX3 and AUX4 of Element 2 Voltage current and power of Element 3 or AUX5 and AUX6 of Element 3 Voltage current and power of Element 4 or AUX7 and AUX8 of Element 4 MATH 1 to MATH 8 Vector Bar Graph Display option Channel ON OFF Vertical axis zooming Un In Pn AUXn or MATHn can be turned ON and OFF separately
7. 100 kHz 100 kHz lt f lt 200 kHz 200 kHz lt f lt 400 kHz 400 kHz lt f lt 500 kHz 500 kHz lt f lt 1 MHz 0 1 of reading 0 16 of range 0 2 of reading 0 2 of range 0 6 of reading 0 4 of range 1 5 of reading 0 6 of range 1 5 of reading 0 6 of range 0 1 0 006 x f of reading 0 6 of range 0 1 0 006 x f of reading 6 of range an eo a saree Sensor Frequency Accuracy DC 0 2 of reading 0 4 of range 50uV x U 01Hz lt f lt 10 Hz 0 2 of reading 0 2 of range 10Hz lt f lt 45 Hz 0 2 of reading 0 1 of range 45Hz lt f lt 1 kHz 0 1 of reading 0 1 of range 1kHz lt f lt 10 kHz 0 1 of reading 0 16 of range 10 kHz lt f lt 50 kHz lt f lt 100 kHz 0 6 of reading 0 4 of range 100 kHz lt f lt 200 kHz 1 5 of reading 0 6 of range 200 kHz lt f lt 400 kHz 1 5 of reading 0 6 of range 400 kHz lt f lt 500 kHz 0 1 0 004 x f of reading 0 6 of range 500 kHz lt f lt 1 MHz 0 1 0 004 x f of reading 6 of range The unit of f in the equation for the reading error is KHz These accuracies apply when the power factor 1 For the complete specifications please refer to the separate document Bulletin PX8000 02EN 0 0 50 kHz 0 2 of reading 0 2 of range 0 Standard operating conditions Ambient Temperate 23 5 degree Ambient humidity 20
8. 400 kHz 1 of reading 0 4 of range 400 kHz lt f lt 500 kHz 0 1 0 004 x f of reading 0 4 of range 500 kHz lt f lt 1 MHz 0 1 0 004 x f of reading 4 of range Measurement bandwidth 10 MHz 3 dB Typical Sensor Frequency Accuracy DC 0 2 of reading 0 2 of range 50uV 10 Hz 0 2 of reading 0 2 of range 10Hz lt f lt 45 Hz 0 2 of reading 01 of range 45Hz lt f lt 1kHz 01 of reading 0 1 of range IkHz lt f lt 10 kHz 0 1 of reading 0 1 of range 10 kHz lt f lt 50 kHz 0 2 of reading 0 2 of range 50 KHz lt f lt 100 kHz 0 6 of reading 0 4 of range 100 kHz lt f lt 200 kHz 0 6 of reading 0 4 of range 200 kHz lt f lt 400 kHz 1 of reading 0 4 of range 400 kHz lt f lt 500 kHz 0 1 0 003 x f of reading 0 4 of range 500 kKHz lt f lt 1 MHz 0 1 0 008 x f of reading 4 of range 1MHz lt f lt 10 MHz 0 1 0 003 x f of reading 4 of range Measurement bandwidth 20 MB 3 dB Typical Accuracy over 1 MHz is design value 01Hz lt f lt JE eee ee ee Power General specifications Direct Frequency Accuracy DC 0 2 of reading 0 4 of range 20UA x U 01Hz lt f lt 10Hz 0 2 of reading 0 2 of range 10Hz lt f lt 45 Hz 0 2 of reading 01 of range 45Hz lt f lt 1 kHz 0 1 of reading 0 1 of range 1kHz lt f lt 10kHz 10 kHz lt f lt 50 kHz 50 kHz lt f lt
9. 112 mm Storage Functions SD Card Number of slot 1 Max capacity 16 GB Supported cards USB Ports for Peripherals SD and SDHC compliant memory card Compatible USB storage devices USB Peripheral Interface Number of ports Mass storage devices that are compliant with USB Mass Storage Class Ver 11 2 Electrical and mechanical specifications USB Rev 2 0 compliant Supported transfer mode HS High Speed 480 Mbps FS Full Speed 12 Mbps and LS Low Speed 1 5 Mbps Input Output EXT TRIG IN Connector type BNC Input level TTL Minimum pulse width 100 ns EXT TRG OUT Connector type BNC Output level 5 V CMOS Logic Low when a trigger occurs and high after acquisition is completed EXT CLK IN Connector type BNC Input level TTL Minimum pulse width 50 ns Video Signal Output Connector type D Sub 15 pin receptacle Output format Output resolution GO NO GO Determination I O Analog RGB XGA compliant output 1024 x 768 dots Approx 60 Hz Vsync dot clock frequency 66 MHz Connector type Input level External Start Stop Input Connector type Input level Comp Output Output signal frequency RJ 11 modular jack TTL or contact RJ 11 modular jack TTL or contact 1 kHz 1 Output amplitude Probe Power Output P4 Option Number of output terminals 1 Vp p 10 4 Output voltage Output current 12 Vdc Total max of 1A Time Sync
10. Function 0 05 of reading 1 count error 10 ns Trigger mode Simple Trigger Trigger source Auto Auto Level Normal Single N Single or On Start Un In Pn AUXn EXT LINE or Time n channel number Time Trigger Enhanced trigger Trigger source Date year month and day time hour and minute and time interval 10 seconds to 24 hours Un In Pn AUXn or EXT Acquisition mode Normal Normal waveform data acquisition Envelop The peak values are held at the maximum sample rate regardless of the Time div setting Averaging The number of times to average can be set to 2 to 65536 in 2 n steps Zoom Display format Expand the displayed waveform along with the time axis up to 2 separate locations The zoom position can be automatically scrolled 1 2 3 4 6 8 12 and 16 analog waveforms windows Snapshot Time base Vertical and Horizontal Control The currently displayed waveforms can be retained on the screen Snapshot waveforms can be saved and loaded An External Clock input is available Please refer to Time setting Trigger type Time Base Time axis setting Observation time Time div Display A gt BIN A Delay B Edge on A AND OR B gt Time B lt Time B Time Out B Between Period T gt Time T lt Time Ti lt T lt T2 T lt T1 T lt T2 Wave Window Time div setting 100 ns div to 1 s div 1 2 5 step 2 s div 3 s div 4 s div 5 s div 6 s div 8 s div
11. PX8000 advantage Wide bandwidth The vertical resolution of analog digital conversion is one of the most important factors in precision measurement The PX8000 has 12 bit resolution with 100MS s sampling and 20MHz bandwidth This means the PX8000 can be used for accurate measurement of inverter pulse shapes which can then be used to fine tune inverter efficiency Transient measurement by cycle by cycle trend The PX8000 s ability to analyze cycle by cycle trends makes it ideal for the measurement of transient effects During the start up phase of an inverter and motor for example current increases can be analyzed in each cycle And when the load changes rapidly the engineers can gain insights that will enable them to improve the control of the inverter Harmonic and FFT analysis The PX8000 has both harmonic and FFT measurement capabilities for frequency based analysis The Harmonic function can measure fundamental waveforms from 20Hz to 6 4kHz This is particularly useful for analyzing higher harmonic component and causes of noise in electromechanical systems Offset cancels by individual NULL function A common problem when testing inverter motors is the presence of ambient noise that can mean test values are nonzero even before testing begins The PX8000 s offset capabilities mean such effects can be nullified and specific inputs can be isolated for testing and analysis Reactor loss measurement of inverter boost circui
12. Signal Input IRIG C20 option Input connector Supported IRIG signals BNC A002 B002 A132 and B122 Input impedance Can be switch between 50 Ohm and 5 kOhm Maximum input voltage GP IB 8V Connector type Electrical specification 24 pin connector Complies with IEEE St d 488 1978 JIS C 1901 1987 Functional specification SH1 AH1 T6 L4 SR1 RL1 PPO DC1 DTO and CO Protocol Ethernet IEEE St d 488 2 1992 Connector type RJ 45 modular jack Transmission system Communication protocols USB Connector type Ethernet 1000 BASE T 100BASE T X or 10 BASE T TCP IP USB type B receptacle Electrical and mechanical specifications USB Rev 2 0 compliant Supported transfer mode Displaying Items Numerical Values HS High Speed 480 Mbps and FS Full Speed 12 Mbps Normal Measurement functions for each channel power module Voltage V Urms true rms value Umn rectified mean value calibrated rms value Udc simple average value Urmn rectified mean value Uac AC component Current A Irms true rms value Imn rectified mean value calibrated rms value Idc simple average value Irmn rectified mean value lac AC component Active Power W P Apparent Power VA S depends on Type 1 2 or 3 Typel and Type2 selectable of Urms x Irms Umn x Imn Ude x Ide Urmn x Irmn or Umn x Irms Reactive Power Var Q depends on Type 1 2 or 3
13. cover 1 set Rubber foot 4 sets Cover plate assy 8 sets Current terminal adapter 4 sets Voltage terminal adapter 4 sets Printer chart 1 set for B5 Getting started guide 1 set CD Getting started guide Futures guide User s Manual Communication interface manual by PDF data Unit mm YOKOGAWA og O OG p O OLO cite MOL TOL TO Je r OF ig io Q 16 5 For the full specifications see Bulletin PX8000 02EN or oo tmi yokogawa com px8000 YOKOGAWA YOKOGAWA METERS amp INSTRUMENTS CORPORATION Global Sales Dept Phone 81 42 534 1413 Fax 81 42 534 1426 Email tm cs jp yokogawa com YOKOGAWA CORPORATION OF AMERICA YOKOGAWA EUROPE B V YOKOGAWA ENGINEERING ASIA PTE LTD Model Product Description parts number 758917 Test read set A set of 0 8 m long red and black test leads 758922 Small alligator clip Rated at 300 V and used in a pair 758929 Large alligator clip Rated at 1000 V and used in a pair 758923 Safety terminal adapter spring hold type Two adapters to a set B8213ZD Safety terminal adapter screw fastened type Two adapters to a set 758921 AN Fork terminal adapter Banana fork adapter Two adapters to a set 366924 BNC BNC cable 1m 366925 BNC BNC cable 2m B9284LK External sensor cable Current sensor input connector Length 0 5 m Phone 1 770 253 7000 Phone 31 88 464 100
14. isoPRO pioneering measurement technology iSor RO The PX8000 is powered by Yokogawa s isoPRO technology which offers industry leading isolation performance at the highest speeds isoPRO core technology designed with energy saving applications in mind delivers the performance needed to develop high efficiency inverters that operate at high voltages large currents and high frequency YOKOGAWA Focus on power Innovators everywhere are focusing on key questions that can only be answered by measuring power precisely How can we minimize energy loss How can we boost performance How can we efficiently use renewable energy sources Inverter performance and efficiency Virtual Power Plant fr a Wind Turbines f Siocisrecrarces PILLE Le MISTISTESTUA Plants z ces Smart grid solutions Electric hybrid vehicles Wireless power charging Applications Applications The PX8000 is an immensely versatile instrument unlocking precision power measurement capabilities for researchers working on everything from renewable power to advanced robotics Anywhere that power consumption is at a premium which means almost anywhere power is consumed can benefit from the introduction of the PX8000 s precision measurement and analysis capabilities The following pages cover some typical applications for the PX8000 For help in designing your own measurement strategy please contact your u
15. source signal 8192 points from specified by start cursor for harmonic measurement Wiring method Scaling Frequency measurement 1P2W Single phase 2 wire 1P3W Single phase 3 wire 3P3W 3 phase 3 wire 3V3A 3 phase 3 wire 3 power meter method 3P4W 3 phase 4 wire 1 6 0 0001 to 99999 9999 can be set for scaling of VT ratio CT ratio and power ratio when external current sensor VT or CT are used for the input Linear scaling function is available for AUX module 760851 Number of displayed digits Full 5 digits 99999 Max frequency 5 0000 MHz Accuracy 01 of reading Frequency Measurement filter Harmonics measurement Same as Zero cross filter OFF 100 Hz 500 Hz 2 kHz 20 kHz Frequency filter Select from OFF 100 Hz 500 Hz 2 kHz and 20 kHz A D converter Max sample rate Resolution 12 bit Conversion ratio sampling period Approx 10 ns 100 MS s For harmonic measurement please refer to harmonic function Auxiliary AUX module 760851 Specification Number of input channels Input coupling 2 switchable analog or pulse input AC DC or GND Input format Isolated unbalanced Frequency characteristics Voltage axis sensitivity setting DC to 20 MHz 3 dB point when sine wave of amplitude 3 div is applied 50 mV to 100 V 1 2 5 steps when using 1 1 probe attenuation A D conversion resolution 12 bit Temperature coefficient Bandwidth limit
16. to 80 RH Supply Voltage and frequency Within 1 of rating Altitude 2000 m or less After the PX8000 has been warmed up for 30 minutes and then calibration has been performed Rated supply voltage 100 to 120 VAC 220 to 240 VAC Auto switching Rated supply frequency 50 60 Hz Maximum power consumption 200 VA Weight Approx 6 5 kg weight of the PX8000 only without paper and M2 B5 C20 G5 and P4 options Withstand voltage Insulation resistance 1500 VAC for one minute between the power supply and case 10 MOHM or more for 500 VDC between the power supply and case PX8000 Precision Power Scope Power Code D UL CSA Standard PSE support 3 pin type F VDE standard H GB standard N NBR standard Q BS standard R AS standard Languages HE English menu HG German menu HJ Japanese menu Options B5 Built in printer 112 mm C20 IRIG function G5 Harmonic measurement M1 50 M memory expansion M2 100 M memory expansion P4 4 Outputs of probe power Select one of these Name Model Description Voltage Module 760811 Voltage module Current module 760812 must be ordered together Current Module 760812 Current module Voltage module 760811 must be ordered together Auxiliary Module 760851 Auxiliary AUX module for sensor input Torque Speed Name Model Description PowerViewerPlus 760881 Viewer software dedicated for PX8000 Standard Accessories Power cord 1 set Front
17. 0 Phone 65 62419933 701947 100 1 Isolation Probe 1000 V DC ACpeak CAT 700929 10 1 Probe 1000 V DC ACpeak CAT for isolation BNC input 701901 1 1 Safety BNC Adapter 1000 Vrms CAT II Lead in combination with followings 701959 Safety Mini Clip 1000 Vrms CAT II 1 set each of red and black Hook type 701954 Large Aligator Clip 1000 Vrms CAT II 1 set each of red and black Dolphin type 366926 1 1 BNC Alligator Cable Non isolated 42 V or less 1 m 366961 1 1 Banana Alligator Cable Non isolated 42 V or less 1 2 m 701933 Current Probe 30 Arms DC to 50 MHz supports probe power 701930 Current Probe 150 Arms DC to 10 MHz supports probe power 701931 Current Probe 500 Arms DC to 2 MHz supports probe power 701934 Probe Power Supply gt Large current output external probe power supply 4 outputs B9988AE Printer Roll Paper For PX8000 10 m x 10 701902 Safety BNC BNC 1000 Vrms CAT II BNC BNC Cable 1 m 701903 Safety BNC BNC 1000 Vrms CAT II BNC BNC Cable 2 m 720911 External I O Cable For external I O connection 701948 Plug On Clip For 700929 and 701947 701906 Long Test Clip For 700924 and 701926 A1800JD Terminal For 720220 input terminal one 1 Piece 701963 Soft Carrying Case For PX8000 B8213ZA Safety terminal adapter screw fastened type Two adapters to a set B9317WD Wrench is attached For B8213ZD and B8213ZA 700924 Differential probe 1400 Vpk 1000 Vrms CAT II
18. 00 supports the measurement of low power factor systems operating at very high frequencies De skew functionality Because the PX8000 provides a de skew function differences between voltage and current that are introduced by sensor and input characteristics can be compensated for and therefore eliminated from the analysis of low power factor systems Oscillate Coil Receive Coil Capacitor Load Non inductive 15 Power distribution Power distribution Overview Power distribution systems have to maintain constant voltage and constant power during load switching or in the case of a short circuit Distribution protectors or circuit breakers for three phase electricity systems must therefore be tested at transient voltage and power levels The PX8000 can capture fluctuating voltage and current waveform calculate power parameters including voltage and current values determine an average over a specified period and display all values Protector Protector Short Voltage Converter Voltage Converter Protector Voltage Converter Protector Voltage Converter YOKOGAWA The PX8000 advantage Simultaneous three phase data capture To evaluate three phase electrical systems at least three power measurement inputs are required The PX8000 not only has four inputs but also enables the simultaneous capture and display of voltage and current across all three phases Specific tim
19. IN COS TAN ATAN PH DIF DDIF INTG INTG BIN SQR CUBE F1 F2 FV PWHH PWHL PWLH PWLL PWXX DUTYH DUTYL FILT1 FILT2 HLBT MEAN LS PS PSD CS TF CH MAG LOGMAG PHASE REAL IMAG TREND TRENDM TRENDD TRENDF HH LL XX and ZC Max 20 expressions F1 to F20 ABS SQRT LOG EXP and NEG Desckew function Compensate the phase different between power voltage and current modules for power measurement element GO NO GO determination File Functions The following two types of GO NO GO determination are available Save Load FFT Function Setup data Waveform data including History data Numeric data and Image data can be saved external media Waveform data including History data up to 1000 waveform and setup data Vector display Bar graph display Display the phase angle between the fundamental voltage signal and fundamental current signal as a vector Display a bar graph of the amplitude of each harmonics when it is harmonic measurement Waveform to be computed Number of channels Un In Pn or CHn MATHn and AUXn 2 Computation range From the specified computation start point until the specified number of points have been computed 17 Computed points 1k 2k 5k 10k 20 k 50 k or 100 k Time windows Built in Printer B5 Option Rect Hamming Hanning Flattop or Exponential Print system Thermal line dot system Sheet width
20. Test Measurement i 193 949 194 047 200 101 102 328 YOKOGAWA lt S dt 0 45351 0 46071 0 45172 36 238 Where power meets precision PX8000 Precision Power Scope Bulletin PX8000 01EN The PX8000 brings together Yokogawa s world leading expertise in power measurement with our long heritage in oscilloscope design to deliver a true test and measurement revolution the world s first precision power scope With the launch of the PX8000 R amp D professionals need no longer compromise on their need for high accuracy time based power measurement a need that conventional power analyzers and oscilloscopes were never designed to meet As more and more innovation focuses on energy consumption and the integration of electronics into power based systems so more and more engineers are demanding accuracy and precision from their power measurement The PX8000 delivers Insight Precision power measurement gives true insights into energy consumption and performance Confidence Proven high quality production means the PX8000 can be relied upon to deliver over extended periods of time Familiarity Users experience a short learning curve thanks to features familiar to anyone who s used to power measurements or oscilloscopes 59 996 1 Xili 69 J2500ms Yik l1 1 7604 X2 11 150 0000ms Y2 11 0 0294 50000 0us AMX27X1 80 7500ms
21. actor core loss is an example of how the PX8000 s user defined functions can be utilized to provide an instant analysis of system performance In this example core loss is calculated based on primary coil current and secondary coil voltage using readings from an Epstein device while magnetic flux density B and magnetic field H are calculated by factoring in input frequency cross sectional area and other parameters All values can be displayed directly by the PX8000 Measurement items specified using user defined function as follows Voltage mean 211 x Current freq x N2 x cross section N1 x Primary coil peak current Effective magnetic path length 13 Transient responses of industrial robots Transient responses of industrial robots Overview To evaluate motor driven robots power consumption of all motors and controllers are measured throughout all operational speeds and action patterns Design engineers need to measure inrush voltage current and power over the pattern of repeated actions Efficiency is calculated by comparing mechanical output with input power During actual operating conditions the time to accelerate and decelerate such motors can range from several hundred milliseconds to several seconds As a PWM driven motor rotates from the reset position to the top speed the drive frequency changes from DC to several hundred Hz The PX8000 gives design engineers insight into power consumpt
22. andwidth 3dB direct input DC to 20MHz bandwidth 3dB sensor voltage input 10mA to 5Arms direct input 50mV to 10Vrms sensor input 45Hz to 1kHz accuracy 0 1 of reading 0 1 of range Power measurement element includes voltage and current module up to four modules ie Sensor and voltage measurement module up to three modules can be installed Auxiliary AUX module 12 bit sampling at up to 100MS s DC to 20MHz bandwidth 3dB Up to 200V DC ACpeak via direct input Up to 1000V DC ACpeak via probe input Accuracy 1 of range DC Torque and speed sensor inputs Pulse input from 2Hz to 1MHz De skewed measurement set up Safety and error prevention features To prevent incompatibilities the PX8000 will detect miss matched current and voltage modules and flag them with an on screen warning message Sensors can introduce phase errors or skew between the current and voltage inputs The 701936 de skew kit enables this phase shift to be corrected automatically for each power measuring element individually The PX8000 also comes with a range of standard dedicated input connectors designed to prevent incorrect or dangerous power connections Using these connectors it is not possible for instance to connect a current probe to a voltage input terminal A tie wrap system prevents accidental current terminal disconnection Connectivity YOKOGAWA lt gt Connectivity Eg VIDEO OUT Video signal output for enhanced di
23. d 10 M points for each voltage and current regardless installed module number The memory cannot combined each memory of module is individual 50 M points for voltage and current regardless of the installed channel number of module when M1 option is installed 100 M points for voltage and current regardless of the installed channel number of module when M2 option is installed Voltage Current input modules 760811 760812 Specifications Input terminal type Input format Measurement range Line filter Voltage Plug in terminal female Current Direct input Plug in terminal male External current sensor input isolated BNC Voltage Floating input resistive voltage divider Current Floating input through shunt Voltage 1 5 3 6 10 15 30 60 100 150 300 600 1000 Vrms Crest factor 2 at rated range input Current Direct input 5 A 10 m 20 m 50 m 100 m 200 m 500 m 1 2 5 Arms Crest factor 2 at rated range input Current External current sensor input 50 m 100 m 200 m 500 m 1 2 5 10 Vrms Crest factor 2 Select from OFF 500 Hz 2 kHz 20 kHz and 1 MHz Crest Factor traces two windows Measurement Function and Conditions Up to 200 effective minimum input Up to 2 rated input CfU Voltage crest factor Cfl Current crest factor Measurement period Measurement period to calculate numerical values Period of measurement update cycle based on zero crossing or external gate signal
24. e period measurement For a true evaluation of distribution protection it is necessary to measure a full cycle of voltage current and power values half a cycle after the recovery from a short circuit The PX8000 can easily be set up to focus on such a specific period Harmonic and FFT analysis The PX8000 has capabilities for both harmonic measurement and FFT for frequency analysis The harmonic function can measure fundamental frequencies from 20Hz to 6 4kHz and FFT has 1k to 100k points calculation across up to two channels Such measurements are vital for identifying harmonic currents and identifying sources of noise Specification of PX8000 and the modules PX8000 Input Zoom Display Shape Plug in input module style Zoom Expand the displayed waveform along with the time axis up to 2 separate Module structure Voltage module Current module and Auxiliary AUX module locations The zoom position can be automatically scrolled Power measurement element one Voltage module and one Current module FFT Display Max 8 modules max 4 power measurement elements can be installed FET Power speculum of input waveform Max two windows AUX module can be installed max 3 at least one power measurement i elements should be installed X Y display Max channel number 8 ch combination of Voltage Current modules and AUX module X Y Display The X and Y axes can be selected from Un In Pn AUXn MATHn Max four Max record length Standar
25. eform vector bar X Y graphs E Wiring selection Choose between different wiring according to the relevant electricity system single phase two and three wire 1P2W 1P3W 3P3W and three phase three and four wire 3BP3W 3P3IW 3V3A 3P4W connectivity EN Acquire settings Memory size setting and History function for displaying and analyzing irregular waveform data Sampling frequency is determined by memory size and time axis selections ma Module parameter settings Measurement parameters and options include voltage current direct sensor ranges auto ranging offset vertical zoom filter scaling and synchronized sources 5 Power analysis settings Analytical functions include cycle by cycle trend calculation specific time period measurement and harmonic analysis and FFT analysis There is a null setting for capturing sensor input conditions 13 2 Position 0 00 div mi 193 949 wwe 194 047 200 101 102 328 DO 5MS 5 1Oms div 13 CH6 0 45351 0 46071 a 0 451 2 Vertical Sea EF Vertical Zoom EXI Offset Auto Range OFF Next 1 2 PrintTolm 2013 10 30 23 32 55 YOKOGAWA Modules PX8000 Modules Ei Voltage module 12 bit sampling at up to 100MS s DC to 20MHz bandwidth 3dB 1 5V to 1000Vrms direct input 45Hz to 1kHz accuracy 0 1 of reading 0 1 of range 2 Current module 12 bit sampling at up to 100MS s DC to 10MHz b
26. he User s Manuals of this product are provided by CD ROM iSOPRO is trademark of Yokogawa Electric Corporation Subject to change without notice 2014 Yokogawa Meters amp Instruments Corporation Fax 1 770 254 0928 Fax 31 88 4641 111 Fax 65 62412606 Ed 01 b Printed in Japan 401 KP
27. he design of periodically controlled equipment To ensure that equipment such as photocopiers complies with energy standards for instance it is vital to measure power consumption across a range of different modes from sleep to full activity and all the transient states in between X Y display and phase analysis For certain tasks it is important to be able to display values on an X Y axis Motors for instance are characterized by an ST curve that shows the relationship between speed and torque The PX8000 supports such displays as standard It can also display lissajous waveforms of input and output for phase analysis YOKOGAWA gt 121 48 0 1457 10 93 0 6178 Capturing sudden or irregular phenomena Abnormal phenomena discovered during repeated high frequency measurements can often be hard to isolate disappearing from the screen almost as soon as they appear The PX8000 has an always active History function that automatically records up to 1 000 historical waveforms These waveforms can be recalled and redisplayed at any time They can also used to redefine trigger conditions Historical waveforms are explored via condition based searches Specific abnormal phenomena for instance can be located by searching only for waveforms that cross or do not cross a certain rectangular zone Other search parameters include waveform amplitude and RMS Long period data capture and anal
28. ion and efficiency throughout a robot s operational performance YOKOGAWA The PX8000 advantage Specific time period analysis The PX8000 supports the measurement of waveform data between specific Start Stop cursors Combined with its multi channel capabilities and its Long memory and History functions this makes the PX8000 particularly useful in rating a robot s operational power consumption Efficiency measurement of boosters inverters and motors A single PX8000 unit can measure both the input output power of inverters and the mechanical output of a motor By installing three power units and one AUX module the PX8000 can be configured to provide an instantaneous measure of component efficiency Transient measurement by trend computation With its instantaneous power calculations the PX8000 is ideal for evaluating and optimizing transient effects Its cycle by cycle trend analysis provides further insights into this crucial area of robotics engineering Longer time period measurement To analyze some robotic operations it may be necessary to perform cycle by cycle trend analysis over a long period of time The PowerViewerPlus software extends this mathematical capability to enable deep insights to be obtained from the data Wireless charger efficiency measurement Wireless charger efficiency measurement Overview The development of wireless charging technology for mobile devices like smartphones and tab
29. let devices is a focus for research Automotive manufacturers are looking into the possibilities of charging electric vehicles wirelessly too Wireless charging depends on two electromagnetic coils being configured to support particular frequency profiles Efficient power transfer and the prevention of power loss are naturally particularly important The PX8000 is ideally suited for measuring such systems because of its ability to operate at high frequencies and low power factors OD D 35 lt 3 av Be al as oO ee 3 15 S BN E oO E 05 D Pp oO oO gt 05 10 100 1000 10000 100000 1000000 Frequency Hz EXt2Vx15V a 0 5Ax15V 02 Ax150V Measurement accuracy as a of range vs frequency Hz at power factor 0 Inverter Capacitor DC Power Supply Signal Oscillator PX8000 The PX8000 advantage 14 Wireless charger efficiency evaluation To evaluate the efficiency of wireless transfer including inverters at least three power measurement elements are required The PX8000 with its four input channels can analyze the performance of the whole system simultaneously Low power factor device measurement The PX8000 s higher sampling rates and broad bandwidth make it ideally suited for wireless power transfer systems The PX8000 supports 12 bit resolution sample rates of up to 100MS s and a 20MHz bandwidth Crucially this means the PX80
30. ment to the world of power measurement The PX8000 s time based accuracy brings a new dimension to power analysis It can capture voltage and current waveforms precisely opening up applications and solutions for a huge variety of emerging power measurement problems The Yokogawa power analyzer series The PX8000 is the new flagship product for Yokogawa s range of industry proven power analyzers Yokogawa s first power measurement instrument was designed back in the 1960s and its power analyzers have played an important role in sustainable industrial development ever since mo 0101010 Focus on precision The PX8000 brings high precision waveform capabilities to power measurement Among the features unique to the PX8000 are Multifunction snapshots Up to 16 different waveforms including voltage current and power can be displayed side by side giving engineers instant snapshots of performance Detailed transient analysis The PX8000 supports the measurement of all power waveform parameters between precisely defined start and stop cursors Trend calculation The PX8000 has built in functions for the direct calculation of variables such as root mean square RMS and mean power values to enable the identification of cycle by cycle trends De skew compensation The PX8000 s automatic de skewing function eliminates offsets between current and voltage signals that may be caused by sensor or input characteristics
31. splay on analog RGB displays A GP IB General purpose interface bus E IRIG Synchronize multiple instruments via an external time source optional E EXT I O The PX8000 can be used to send a GO NO GO signal based on set conditions equally external signals can be used to trigger measurement and analysis a SD card slot SD and SDHC compliant USB PC Enables control from a PC USB For connection to a range of peripherals including storage keyboard and mouse Long phenomena capture Ethernet The large internal memory of up to 100M Points enables long 1000BASE T comes as standard term measurements to be made at high and appropriate sample rates TRIGGER IN External trigger input TRIGGER OUT External trigger output EXT CLK IN Sampling can be timed to an external signal up to 9 5 MHz Power meets precision Power meets precision R amp D teams everywhere are coming to terms with the need for new levels of precision in power measurement With pervasive microprocessor control and on going pressure to reduce energy consumption the lines between electrical and electronic engineering continue to blur and the need for a new class of hybrid measurement is emerging Traditional power measurement instruments cannot provide accurate time measurements oscilloscopes are not designed to measure power The PX8000 is the world s first precision power scope bringing oscilloscope style time based measure
32. sual Yokogawa representative gt 7 m v eee ZZEE fir de ds di ENE loi aie LS Ta Onm Ea al 7123 rae mA o gt PX8000 11 Inverter and motor testing Inverter and motor testing Overview Electric and hybrid vehicles have many electrical and mechanical components and overall performance evaluation requires measuring the efficiency of both The PX8000 s flexibility accuracy and wide bandwidth make it ideal for drawing together the range of power readings needed to optimize the efficiency of boost circuits and inverters two key elements in overall electric vehicle performance Inverter section i Booster HE a Drive circuit Torque Motor rotation sensor Load Batteries Converter I section DDE Temperatures Voltage Current Speed Torque 3 Modulate and convert DC to AC signals Energy measurement of batteries 28 Efficiency measurement of boost circuit and drive circuit Efficiency measurement of inverter system above transient behavior measurement 5 08 GE S 8 0 4 n oO 02 gt S 0 oO oo 02 D 5 0 4 oO oO gt 0 6 1 10 100 1000 10000 100000 1000000 Frequency Hz 5A range Ext 2V range 150V range 0 2Ax150V range Measurement accuracy as a of range vs frequency Hz at power factor 1 YOKOGAWA The
33. ts Reactor loss measurement of inverter boost circuits Overview A reactor is used to filter out noise and boost voltage levels prior to the use of an inverter It consists of an electromagnetic material core and a coil A main focus for electrical engineers is to reduce power loss across the total inverter system and reactor performance is of particular interest There are two potential evaluation methods direct loss measurement of the reactor and iron loss measurement The PX8000 supports either methodology because it can accommodate both high frequency measurement and low power factor conditions Inverter Reactor Variable Power Supply Current Measurement Voltage Measurement Core loss Power value W x PX8000 The PX8000 advantage 12 Low power factor measurement Higher sampling rates and broad bandwidth make the PX8000 particularly useful for testing devices such as transformers and reactors that have lower power factors It is particularly important to measure the precise power consumption of such devices at high frequency De skew functionality To analyze power consumption in low power factor devices it is particularly important to minimize any time differences between voltage and current caused by sensor input characteristics The PX8000 provides precise de skew adjustment to compensate for this time difference Core loss measurement under high frequency Analyzing re
34. uracy Within 6 months after calibration Voltage Frequency Accuracy DC 0 2 of reading 0 2 of range 10 Hz 0 2 of reading 0 2 of range 10Hz lt f lt 45 Hz 0 2 of reading 01 of range 45Hz lt f lt 1kHz 01 of reading 0 1 of range IkHz lt f lt 10 kHz 0 1 of reading 0 1 of range 10 kHz lt f lt 50 kHz 0 2 of reading 0 2 of range 50 kHz lt f lt 100 kHz 0 6 of reading 0 4 of range 100 kHz lt f lt 200 KHz 0 6 of reading 0 4 of range 200 kHz lt f lt 400 kHz 1 of reading 0 4 of range 400 kHz lt f lt 500 kHz 0 1 0 003 x f of reading 0 4 of range 500 kHz lt f lt 1MHz 01 0 003 x f of reading 4 of range 1MHz lt f lt 10 MHz 01 0 003 x f of reading 4 of range Measurement bandwidth 20 MHz 3 dB Typical Accuracy over 1 MHz is design value O01 Hz lt f lt SJ ee Current Direct Frequency Accuracy DC 0 2 of reading 0 2 of range 20uA 10 Hz 0 2 of reading 0 2 of range 45 Hz 0 2 of reading 0 1 of range 1 kHz 0 1 of reading 0 1 of range 1kHz lt f lt 10 kHz 0 1 of reading 0 1 of range O01 Hz lt f lt 0 10 kHz lt f lt 50 kHz 0 2 of reading 0 2 of range 10 Hz lt f lt 45 Hz lt f lt 50 KHz lt f lt 100 kHz 0 6 of reading 0 4 of range 100 kHz lt f lt 200 kHz 0 6 of reading 0 4 of range 200 kHz lt f lt
35. ysis The PX8000 comes with an accompanying PC application called PowerViewerPlus that can be used to capture waveform data for further analysis This extends the ability of the PX8000 to use mathematical functions to analyze longer term performance PC connection is via standard Ethernet USB GP IB connections The user friendly software displays waveforms in a simple and clear graphical style that will be familiar to users of Yokogawa s popular Xviewer software Researchers who want to use their own analysis software will be able to establish a connection to the PX8000 via the LabVIEW driver FFT analysis The PX8000 features arithmetical time shift FFT and other computations that enable users to display waveforms with offsets and skew corrections Users can also define their own computations via equations that combine differentials integrals digital filters and a wealth of other functions Simultaneous harmonic measurement The PX8000 makes it possible to simultaneously measure the harmonic components of voltage and current waves as well as the harmonic distortion factor Harmonic measurements take place in parallel with conventional voltage and current measurement Harmonics up to the 500th order of the fundamental can be measured The PX8000 in detail PX8000 The PX8000 in detail EN Display format selection Comprehensive range of display functions for power analysis including numeric wav
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