User Manual
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1. Smartgen HOC300 Over Current Protection Relay User Manual Smartgen Technology aK a FA 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 HOC300 Over Current Protection Relay This manual is suitable for HOC300 over current protection relay only Clarification of notation used within this publication Ars Highlights an essential element of a procedure to ensure correctness 1 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 HOC300 Over Current Protection Relay Version 12. 1 2014 10 09 Page 3 of 13 HOC300 Over Current Protection Relay CONTENT SUMMAR Ve Bene ee Rd cecum eneeataraas 5 2 PERFORMANCE AND CHARACTERISTICS ie 6 LO aes eh eet ee ee oi 7 A PANEL BUTTON DESCRIP TION ES ee 8 5 UNG HON IDE SCRIP MON EE 9 6 SCOPES AND DEFINITIONS OF PROGRAMMABLE PARAMETERS 10 2 B A SIDE EE 11 8 INSTALLATION DIMENSIONS nennen nennen nnnnnnnnnnnnnnnennnennnen 13 HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 4 of 13 HOC300 Over Current Protection Relay 1 SUMMARY HOC300 over current protection relay is widely used in marine genset field and land genset field HOC300 over current protection relay detects load current accurately Over current trip or pre trip relay outputs and alarm protection activates when the load current has exceeded the set value HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 5 of 13 HOC300 Over Current Protection 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 Detects load current accurately Adjustable potentiometer allows for set value adjusting and delay value setting 2 relay output One test button test the over current trip pre trip 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 te
3. IP RELAY RELAY LINK co 47121 cece 1415161718 mr mr HOC300 L1 R HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 12 of 13 HOC300 Over Current Protection Relay 8 INSTALLATION DIMENSIONS 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 AC Input Current input must be connected to outside current transformer And the current transformer s secondary side current must be 5A A Note When there is load current transformer s secondary side prohibit open circuit 3 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 HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 13 of 13
4. e mn CT B phase input Externally IL2 Terminals 1 5 mm connected to secondary coil of current WE transformer rated 5A Sous rena nam CT C phase input Externally IL3 Terminals 1 5 mm connected to secondary coil of current transformer rated 5A LINK Used for parameters setting HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 8 of 13 HOC300 Over Current Protection Relay 5 FUNCTION DESCRIPTION o ltem Description 7353 Powerindicaor Power supply indicator It is illuminated when the relay is powered up green light It flashes once per second when the load current has exceeded the set value and Pre TRIP indicator light on when the delay timer has expired The indicator extinguished after current returns to normal red light It flashes once per second when the load current has exceeded the set value and TRIP indicator light on when the delay timer has expired The indicator extinguished after current returns to normal red light Pressing and holding the button for 3 seconds the Pre Trip relay TEST Button and Pre Trip indicator output Press the button and release the button within 1 second again press it for 3 seconds Trip relay and Trip indicator output TRIP Over Currrent Trip Set Value DELAY s Delay Value Used for adjusting over current action delay value Range 1 60 s Potentiometer Pre TRIP Used for adjusting pre trip set value Range 50 140 Setting Pre Trip Se
5. rminal compact structure with easy installation HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 6 of 13 HOC300 Over Current Protection Relay 3 SPECIFICATION Rated5A S O Rated 5A Temperature 25 70 C Humidity 20 93 RH Temperature 25 70 C Apply AC2 2kV voltage between high voltage terminal and Insulation Intensity low voltage terminal The leakage current is not more than 3mA within 1min HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 7 of 13 HOC300 Over Current Protection Relay 4 PANEL BUTTON DESCRIPTION CA us GEL peep VENS ee oe DC24V LINK Pre TRIPRELAY TRIP RELAY SmartGen HOC300 POWER Pre TRIP TRIP TEST 9 1011112113114 Description of terminal connection CU men 4 Lin Connected with negative of starter battery 5 B 1 0mm Connected with positive of starter battery Normally Active when the load Open current has exceeded the set value and the 4 a COM 2 5 mm delay timer has expired RELAY while deactivate when 5 Normally the load current returns Normally Open to normal open Volts Normally Active when the load free output Close current has exceeded 5A Rated the set value and the TRIP RELAY 2 5mm delay timer has expired while deactivate when Open the load current returns to normal D CT A phase input Externally Terminals 1 5 mm connected to secondary coil of current DE transformer rated 5A Me mm
6. t Value value is the percentage of rated current value 5A DELAY s Delay Value Used for adjusting delay value Range 1 60 s Potentiometer Pre Trip Indicator Trip Indicator Used for adjusting over current set value Range 50 140 Setting value is the percentage of rated current value 5A HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 9 of 13 HOC300 Over Current Protection Relay 6 SCOPES AND DEFINITIONS OF PROGRAMMABLE PARAMETERS 0 3P4W 1 3P3W peyote 22 Ds 2 2P3W 3 1P2W CT Ratio 560005 500 TI Current 4 Communication Address PC Program 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 HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 10 of 13 HOC300 Over Current Protection Relay 7 TYPICAL DIAGRAM 3 Phase 4 Wire DC24V PRE TRIP TRIP LINK asss Tire Eria E RELAY RELAY HOC300 _ 9110111 12 113 14 L1 dJatttt _ L2 dl L3 ei 3 Phase 3 Wire DC24V PRE TRIP TRIP LINK asss nana E yg RELAY RELAY HOC300 L1 L2 L3 u HOC300 Over Current Protection Relay Version 1 1 2014 10 09 Page 11 of 13 HOC300 Over Current Protection Relay 2 Phase 3 Wire DC24V PRE TRIP TRIP RELAY RELAY LINK co nan nar Er EF HOC300 L1 L2 UEL N Single Phase 2 Wire DC24V PRE TRIP TR
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