Home Power 96, August & September 2003
Contents
1. conditions en e Detailed installation and user s e Quiet operation ures Low Points e 30A transfer switch limits battery ihe ging under some conditions e Tight AC wiring compartment Hf options i i f List Price US 2 199 I i Wee Warranty 2 years if i y Other Hd e Two units can be series Lael d fo 120 240 VAC output e 15 amp GFCI receptacle option for AC output ih in mobile application effectively connecting the inverter s neutral output conductor to the vehicle s equipment ground system If you re planning to use the inverter in a stationary residential application you can easily disable this automatic neutral to ground bond feature by relocating a small bonding screw in the inverter s AC wiring compartment and make a permanent neutral to ground bond in the AC mains panel The manual explains this process thoroughly Utility backup The Prosine 2 0 is also well suited for grid backup power systems The inverter is not designed Prosine 2 0 Charger Test AC In from Generator Volts Volts Freq Load Paak tema Amps Watts Hz Watts Efficiency Additional resistive load home power 96 august amp september 2003 Tech Inverter e Continuous output power 2 KW at 40 C 104 F e Surge rating 5 second 4 5 KW e True sine wave AC output lt 2 percent THD typical i e Efficiency full load 87 percent e Peak efficiency 892. percent e No load power draw inverting lt 25W Specs e No load power draw search mode 3 sec interval lt 2 W i i e Input DC voltage range 10 to 16 voc e Transfer time backup AC to inverter and inverter to backup AC 16 milliseconds typical ee ger A j 100 A DC continuous output current j i e Three stage DC charge control with manual i equalize e Temperature compensated charging via l remote battery sensor H e Average efficiency 81 percent e AC input power factor 0 99 e Input AC voltage range 90 yli VAC Physical Size h 3 4 by inches 45 x 29 x 15 cm Weight 24 pounds 11 kg www homepower com REview to sell electricity to the utility but it does have an internal transfer switch that allows it to automatically power select loads in the event of a utility failure The transfer time between grid and inverter power is 16 milliseconds This may or may not be fast enough to keep computers from crashing Make sure to contact the manufacturer of your computer and double check the required transfer time before purchasing any inverter for this use Residential The Prosine 2 0 is not the most versatile inverter for use in off grid systems since only one input voltage is available 12 VDC Twelve volt systems are standard in the RV market because the vehicle s alternator is often used to charge the coach batteries while you re rolling down the road But modern off grid p
3. 74 WW p ENEE m antrex rosime 2 0O SP E i Inverter Charger Application installed a Prosine 2 0 inverter charger in an off grid residential system at Home Power Central It powers standard 120 VAC household loads including lighting audio and video equipment a refrigerator circulation pumps for a solar hot water system and small power tools During the winter months it s frequently used in conjunction with an engine generator to recharge the battery bank during extended cloudy periods System The system is located in southern Oregon Major components include a 1 4 KW rated PV array four Surrette 6 CS 25PS flooded lead acid batteries 1 640 AH at 12 VDC and a Honda ES6500 6 500 watt gasoline generator The Xantrex Prosine 2 0 is a great 12 volt sine wave inverter for boat RV or small residential systems Its integrated AC charger is perfect for shore power or generator backup Joe Schwartz 2003 Joe Schwartz The Prosine 2 0 was designed for mobile and marine inverter applications but it s also suitable for small off grid systems that aren t rolling down the road and for utility backup systems Whether your home is in motion or not there are three major inverter design characteristics that you ll want in most cases high quality AC output an efficient battery charger and the ability to install the inverter in a safe code compliant fashion The Prosi
4. ate seamlessly between stand alone and shore powered use In a residential application the neutral wiring system is routinely bonded or connected to the equipment ground wiring system by placing a jumper between the ground and neutral bus bars located inside the main load center or breaker panel The neutral system should only be bonded or connected to the equipment ground system in one place This reduces the shock hazard by creating a single electrical path to ground In mobile applications AC power from a marina or RV park sometimes referred to as shore power is often used to supplement the vehicle or boat s onboard power system The shore power system s neutral conductor is already bonded to the stationary equipment ground system Connecting to this system creates a secondary neutral bond if the vehicle s onboard power system already has a fixed neutral to ground bond inside a breaker panel To eliminate this problem the Prosine 2 0 s transfer relay opens disconnects an internal neutral to ground bond when it s connected to shore power In stand alone use the transfer relay closes connects this internal neutral to ground bond DC Out Volts Amps Watts 13 67 106 3 1 453 1 T R mgh Points Excellent power quality lt 2 THD e DC charger with 1 0 power factor e User friendly control panel that can be remot mounted e 16VDC high battery voltage input limi e Auto restart after error
5. ed by the source Low power factor appliances reflect some of the delivered power back at the source The higher the power home power 96 august amp september 2003 ViEW o mesi Equipment amp Setup Inverter test data was collected while adding incremental AC resistive loads to the inverter Charger data was collected over a complete charge cycle Battery voltage battery current via a 50 I mV 500 A shunt and peak and rms AC voltage CHANNEL B were measured using three Fluke 87 digital multimeters AC amperage was measured with a The Prosine s AC waveform is cleaner than most utility power Brand Electronics model 20 1850 power meter and a Fluke 43B AC Power Quality Analyzer The Fluke 43B was also used to measure total harmonic distortion and power factor The battery temperature during testing was 70 9 F 21 6 C The inverter setting for AC breaker size was set at 20A Prosine 2 0 Inverter Test AC Out DC In factor the better A unity power factor Load Volts Volts represented numerically as 1 0 means Watts Peak rms Amps THD Watts Volts Amps_ Efficiency that all the power supplied to the Search NA NA NA NA ORA CM appliance is used by the appliance to Idle 164 8 117 8 0 0 1 1 aft ms NA do work and none is reflected back to 212 1648 1178 02 10 272 1275 37 249 the source The result is more efficient p TNI operation of the AC source and in this ce case less genera
6. ne 2 0 has all three of these characteristics covered Waveform In virtually all new residential installations modified square wave inverters are a thing of the past Their less than ideal AC output waveform often results in noise on audio and video equipment hot and inefficient motor operation unsatisfactory operation of tools with variable speed controls and damage to some AC appliances On the other end of the spectrum are high quality sine wave inverters like the Prosine 2 0 The AC power quality of the Prosine is excellent In fact its output has higher power quality than the utility grid in most cases Battery Charger Most off grid systems have an engine generator to charge the battery bank during extended cloudy periods Anyone who has spent time living with a generator knows that they are expensive to run and maintain and that not much detracts more from the great outdoors than a roaring generator When you do need to use the generator high quality chargers will minimize the run time and get you through the charging process as quickly painlessly and inexpensively as possible The Prosine 2 0 has an efficient battery charger with a high power factor 1 0 throughout our testing Power factor is a ratio of the AC power actually used by a load real power the battery charger in this case compared to the total power delivered apparent power With high power factor devices the load uses most or all of the power deliver
7. ower systems typically operate at 24 or 48 VDC nominal Higher voltage systems allow for smaller wiring between the DC charging sources and the batteries and allow these charging sources to be farther away from the batteries High Quality Inverter Twelve volts can be a great choice for small systems running some DC appliances but 24 or 48 VDC nominal systems are far more common these days That said the inverter installed in our test system has performed flawlessly and has definitely met my expectations You can choose from several high quality battery based inverters in the 1 to 2 kilowatt range The Prosine 2 0 is definitely one of them It is well suited for use in RVs boats and small off grid systems Access Joe Schwartz PO Box 520 Ashland OR 97520 e 541 944 0780 joe schwartz homepower com Xantrex Technology Inc 5916 195th St NE Arlington WA 98223 e 360 435 8826 Fax 360 435 3547 e info xantrex com www xantrex com Prosine 2 0 inverter ada
8. tor run time l i 71 9 Installation Inverters should be installed in cool dry locations Because the Prosine 2 0 was designed for mobile and marine markets it s not available 84 9 87 7 in a preassembled power panel that includes AC and DC enclosures and 663 4 163 6 117 0 5 7 1 1 748 9 12 44 60 2 88 6 disconnects But if you purchase an optional DC conduit box from the manufacturer the inverter can easily be installed to meet all the requirements of the National Electrical Code NEC The inverter is straightforward to install and relatively easy to program The 164 page installation and operation manual will guide you through the ool 01 7 160 8 lall 18 3 1 1 2 364 5 11 96 197 7 88 9 process if you re installing the inverter Total harmonic distortion on your own 819 9 163 6 116 8 7 0 1 0 935 2 12 37 75 6 87 7 www homepower com T 5 7G RE view Prosine 2 0 Inverter Efficiency 100 80 60 40 Efficiency 20 0 500 1 000 1 500 2 000 2 500 AC Load Watts Applications The Prosine 2 0 is well suited for a variety of applications some more so than others Here are some of my quick observations about this equipment s adaptability Boats and RVs If you re a boater or RVer the Prosine 2 0 is a great choice Built for these markets the inverter is designed to oper
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