User Manual
Contents
1. 0 Frequency Test Relay CONTENT SUMMAR Gemeente een Merete errr reer tment nen eer nee mer erecta ets Serre errr ee ner 5 2 PERFORMANCE AND CHARACTERISTICS 24400444440Rnennnnnnnnnnn nennen nnnnnn nenne 6 I SPELIEIEATLION A 7 A PANEL BUTTON DESCRIP TION za ee 8 5 UNG HON IDE SCRIP MON sanne manen 9 6 SCOPES AND DEFINITIONS OF PROGRAMMABLE PARAMETERS sse sexe 10 2 K d SDE 75 Essener een 11 8 INSTALLATION DIMENSIONS nnn eee eee 12 HFT300 Frequency Test Relay 1 SUMMARY HE T 300 frequency test relay is widely used in marine genset field and land genset field The corresponding over under frequency relay outputs and alarm protection activates when the frequency has exceeded fallen below the set value _HFT300 Frequency Test Relay Versioni 1 2014 10 09 Page5ofl2 HFT300 Frequency Test Relay 2 PERFORMANCE AND CHARACTERISTICS Suitable for 3 phase 4 wire 3 phase 3 wire single phase 2 wire and 2 phase 3 wire systems with frequency 50 60 400Hz Over under frequency protection function Adjustable potentiometer allows for set value adjusting and delay value setting 2 relay output One test button test the over under frequency relay and indicator Widely power supply range DC 8 35 V suitable to different starting battery voltage environment 35mm guide rail mounting Modular design pluggable terminal compact structure with easy installation _HFT300 Frequency Test Relay Versioni2. 1 2014 10 09 Page6ofl2 HET 300 Frequency Test Relay 3 SPECIFICATION tails Working Voltage DC8 OV to 35 OV continuous power supply Temperature 25 70 C Humidity 20 93 RH Temperature 25 70 C Apply AC2 2kV voltage between high voltage terminal Insulation Intensity and low voltage terminal The leakage current is not more than 3m within 1min _HFT300 Frequency Test Relay Versioni 2014 10 09 Page7of12 HFT300 Frequency Test Relay 4 PANEL TERMINAL DESCRIPTION GEA Era ERED HA L ns DC24V LINK OVER FREQ UNDER FREQ SmartGen HFT300 POWER OVER UNDER e o oe o e o e a TEST amp 6 3 6 e P 100 120 20 80 100 20 OVER DELAY s UNDER DELAY s L1 L2 FEB Description of terminal connection TB 11 0mm Connected with negative of starter battery 2 B 1 1 omm Connected with positive of starter battery Normall 5 Active when the frequency ose gt has exceeded the set 2 5 mm 4 value and the delay timer Normally h Open as expired Normally 6 Active when the voltage ri Bs Close has exceeded 50V while lt a Rated 25 mm the frequency has fallen e below the set value and O the delay timer has pen expired a a ee TEN LINK Port Used for parameters setting _HFT300 Frequency Test Relay Versioni1 2014 10 09 Pagesofl2 HET 300 Frequency Test Relay 5 FUNCTION DESCRIPTION hen Deserption 7354 Powerin
3. Smartgen HFT300 Frequency Test Relay User Manual Smartgen Technology aK a E F Chinese trademark Smartgen Smartgen make your generator smart English trademark Smartgen Technology Co Ltd No 28 Jinsuo Road Zhengzhou Henan Province P R China Tel 86 371 67988888 67981888 86 371 67991553 6799295 1 86 371 67981000 overseas Fax 0086 371 67992952 Web http www smartgen comien http www smartgen cn Email sales smartgen cn All rights reserved No part of this publication may be reproduced in any material form including photocopying or storing in any medium by electronic means or other without the written permission of the copyright holder Smartgen Technology reserves the right to change the contents of this document without prior notice Software Version 2014 08 07 Original release 2014 10 09 Rename the product HFT300 Frequency Test Relay This manual is suitable for HFT300 frequency test relay only Clarification of notation used within this publication Ars Highlights an essential element of a procedure to ensure correctness U Indicates a procedure or practice which if not strictly observed could CAUTION result in damage or destruction of equipment Q Indicates a procedure or practice which could result in injury to WARNING personnel or loss of life if not followed correctly _HFT300 Frequency Test Relay Version 1 14 2014 10 09 Page3of12 HFT30
4. ated frequency value _HFT300 Frequency Test Relay Versioni 2014 10 09 Page9ofl2 HET 300 Frequency Test Relay 6 SCOPES AND DEFINITIONS OF PROGRAMMABLE PARAMETERS Gen Rated Frequency 10 0 400 0 Hz so Communication a PC Program Connection Parameters setting and real time monitoring can be implemented via LINK port by using PC software and an SG72 adapter which produced by our company As follows _HFT300 Frequency Test Relay Versioni1 2014 10 09 ss Page 10 0f 12 HFT300 Frequency Test Relay 7 TYPICAL DIAGRAM DC24V OVER UNDER ane FREQ FREQ LINK ol ese ST415 161778 oj EF HFTSOO L1 L2 _9 10 L1 L2 HFT300 Frequency Test Relay Version 1 1 2014 10 09 Page 11 of 12 HFT300 Frequency Test Relay 8 INSTALLATION DIMENSIONS I 1 Output And Expand Relays All outputs are relay contact output type If need to expand the relays please add freewheel diode to both ends of expand relay s coils when coils of relay has DC current or add resistance capacitance return circuit when coils of relay has AC current in order to prevent disturbance to controller or others equipment 2 Withstand Voltage Test CAUTION When relay had been installed in control panel if need the high voltage test please disconnect relay s all terminal connections in order to prevent high voltage into relay and damage it
5. dicaor Power supply indicator It is illuminated when the relay is powered up green light Over frequency Indicator It flashes once per second when the frequency has exceeded the set value and illuminated when the OVER Indicator delay timer has expired if the frequency return within the set value range alarm is removed automatically and indicator is extinguished red light Under frequency Indicator It flashes once per second when the frequency has fallen below the set value and illuminated when the UNDER Indicator delay timer has expired if the frequency return within the set value range alarm is removed automatically and the indicator is extinguished red light Pressing and holding the button for 3 seconds the over frequency relay and over frequency indicator output Press the button and release the button within 1 second again press it for 3 seconds under frequency relay and under frequency indicator output TEST Button OVER Over Frequency Potentiometer DELAY s Delay Value Used for adjusting over frequency delay value Range 1 20 s Potentiometer UNDER Under Frequency Potentiometer DELAY s Delay Value Used for adjusting under frequency delay value Range 1 20 s Potentiometer Used for adjusting over frequency set value Range 100 120 setting value is the percentage of rated frequency value Used for adjusting under frequency set value Range 80 100 setting value is the percentage of r
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