GE SBC231A Instructions Manual Download Page 17 | Manualshive

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Summary of Contents for SBC231A

Page 1: ...GEK 1 00637B INSTRUCTIONS GE Multilin 215 Anderson Avenue Markham Ontario L6E 1B3 Canada http I www GEindustrial com multilin STATIC BREAKER BACK UP RELAY TYPE SBC RELAY SBC23IA ...

Page 2: ...7 Ti PowerUp 7 T2 BFTTest 7 T3 Shutdown Test 8 T4 Power Supply Alarm Test 8 T5 Target Test 8 PERIODIC TESTS 9 GENERAL 9 TEST EQUIPMENT 9 DRAWINGS 9 EQUIPMENT GROUNDING 9 GENERAL RELAY TESTS 9 Ti Power Up 9 T2 BFf Test 9 T3 Shutdown Test 10 T4 Power Supply Alarm Test 10 T5 Target Test 10 SERVICING 11 SPARES 11 RENEWAL PARTS ii SPECIFICATIONS 13 RATINGS 13 BURDENS 13 CONTACT DATA 13 OVERCURRENT UNIT...

Page 3: ...oltage divider effect of the ground fault lamps on the DC bus in the event that the DC input terminal of the SBC is accidentally grounded APPLICATION The SBC23I relay is intended for applications requiring an instantaneous overcurrent detector with fast pickup fast reset minimum overreach and Continuous operation in the picked up position The three input current circuits to the SBC231 can be conne...

Page 4: ...y is enabled by the protective relays associated with the zone of protection and the output of the SBC is connected to a definite timer such as a Type SAM timing relay The timer is set with sufficient delay to permit interruption of the associated breaker when operated by the primary relays See Figure 5 If the breaker fails to interrupt successfully within this time the timer will time out and ini...

Page 5: ...e pickup of the phase or ground unit If the TB ENERGIZED LED is not ON adjust potentiometer R25 phase unit or R24 ground unit located on the front of the analog board by turning the screw in the counter clockwise direction until the TB ENERGIZED LED is ON continuously If the TB ENERGIZED LED comes ON as soon as the current is applied turn the screw in the clockwise direction until the TB ENERGIZED...

Page 6: ...e human body and the conditions of low humidity carpeted floors and isolating shoes are conducive to the generation of electrostatic discharge currents Where these conditions exist care should be exercised when removing and handling the modules The persons handling the module should make sure that their body charge has been discharged by touching some surface at ground potential before touching an...

Page 7: ...ESCRIPTION section should be used for reference during testing EQUIPMENT GROUNDING All equipment used in testing the SBC23I relay should be connected to a common grounding point to provide noise immunity This includes the current source as well as the SBC231 itself The ground connection on the SBC231 is terminal 21 case GENERAL RELAY TESTS All tests are performed assuming the relay is configured f...

Page 8: ...ould remain on are the DC Voltage Low light and the Energized light All contacts should go to their unenergized state T4 POWER SUPPLY ALARM TEST 1 Connect the relay as shown in Figure 16 2 Conduct the test according to the last line of Table I 3 While the input current is still being applied lower the DC voltage to 19 VDC 4 All output contacts should go to their unenergized state and the Power Sup...

Page 9: ... section should be used for reference during testing EQUIPMENT GROUNDING All equipment used in testing the SBC23I relay should be connected to a common grounding point to provide noise immunity This includes the current source as well as the SBC231 itself The ground connection on the SBC23 1 is terminal 10 GENERAL RELAY TESTS Ti POWER UP 1 Move the rated DC voltage switch to the input battery volt...

Page 10: ... POWER SUPPLY ALARM TEST 1 Connect the relay as shown in Figure 16 2 Conduct the test according to item 4 of the BFT TEST 3 While the input current is being applied lower the DC voltage to 19 VDC 4 All output contacts should go to their unenergized state and the Power Supply Alarm contacts should close T5 TARGET TEST 1 Connect the relay as shown in Figure 17 2 Input current 5 percent above the Pha...

Page 11: ...nformation must be supplied to the factory 1 Assembly number of the board This is found on the component side of the printed circuit board It is an eight digit number with a letter inserted between the fourth and fifth digit and suffixed with a group identification e g 0184B8921G2 2 Revision number of the board This is also found on the printed circuit board e g REV 1 The acceptance tests should b...

Page 12: ...XXA 0188B9752G005 SBC223DXXA 0188B9752G007 SBC23 IAXXA 0188B9752G006 SBC22IAOIA BACKPLANE BOARD 0215B8410G001 SBC22IAO2A 0215B84 10G003 SBC22IAO3A SBC22IBO1A 0215B8410G002 SBC22IBO2A 0215B8410G004 SBC221BO3A SBC223AO1A 0215B84110001 SBC223AO2A 0215B841 1G002 SBC223AO3A SBC223BO1A 0215B8411G003 SBC223BO2A 0215B8411G004 SBC223BO3A SBC223CO1A 0215B8411G003 SBC223CO2A 0215B8411G004 SBC223CO3A SBC223DO...

Page 13: ...Interference Test Withstand SWC per ANSI C37 90 1 IEC 255 BURDENS Current Circuits Ohms VA 5A 5A Transactor 029 ohm 46 02 at 60 Hz 026 ohm 40 9 at 50 Hz 1A Transactor 597 ohm 49 69 at 60 Hz 541 ohm 44 98 at 50 Hz DC Battery power supply 20 Watts Max CONTACT DATA Trip Outputs Continuous Rating 3 Amps Make and Carry for Tripping Duty 30 Amps per ANSI C37 90 Target Operate Level Mm 150 mAmps Max 30 A...

Page 14: ...ication 17 Figure 4 Relay Operating Time 18 Figure 5 Relay Operating Time in Breaker Failure Applications 19 Figure 6 Relay Dropout Time 20 Figure 7 Internal Connections Diagram for SBC231 21 Figure 8 SBC with Front Cover Removed 22 Figure 9 SBC Front View Without Nameplate 22 Figure 10 Rear View of Relay Case and Cradle 23 Figure 11 Typical Removed Module 24 Figure 12 Drawout Case Contact Assembl...

Page 15: ... I j CD 01 r I C J 21 CAsE TO SURGE 0 GROUND DIRECT CONNECTION TO DC FOR OVER CUR R NT A PLICATIO N K4 POSITION OUTPUT T CONTACT BFI L__ 9 11 13 15 r T2 Ti CO a ECTED SB T 0 T 2 T 4 T 6 FOR BPEAKER FAILURE APPLICATICN POSITICN B POWER SUPPLY LAR 68 15 LEAD CONNECTED TO iSA 0 m i i ...

Page 16: ... m 21 CASE TO SURGE 0 GROUND DIRLOT CONNECTION To DC FOR OVEPOURRENT APPLICATION SF1 L__ FOR BREAKER FAILURE APPLICATION K4 POSPHON OUrPUT CONTACT i 7 9 11 13 15 119A 1 T2 Ti J_TO 15B I LEAD CONNECTED T 2 T 4 116 K4 POSITION B POWER SUPPLY ALAR A 68 15 LEAD CONNECTED TO 15 i6 ...

Page 17: ...DE ND CIRCUIT B RE A K ER INSTANTANEOUS OVERCURRENT RELAY Figure 2 0285A6204 O Underrated Line Breaker Application LOC K F 1 LEG E ND CIkCU1T6REAKER Figure 3 lNSTANTANEOUSOVEPCUENTREL CI ROUI TSWI T C 1 4 ER 0285A6205 O Circuit Switcher Protective Application 17 ...

Page 18: ... of output relay Time ms I 10 11 12 13 Multiples of Pickup Setting Figure 4 0286A5392 Operating Time Graph for the SBC Relay 10 C 7_ I I Conditions 1 D C Power Supply Previously Energized 2 Current Suddenly Applied 3 _Includes_Time to Close Contacts 7 __ 5 4 3 2 1 __ 0 I 0 123456789 I 18 ...

Page 19: ... I I I 10 11 12 13 Multiples of Pickup Setting Figure 5 0286A5394 Breaker Failure Operating Time for the SBC231 Relay 20 1 1 1 I 1 1 1 1 1 9 Conditions 1 D C Power Supply Suddenly Energized 0 2 Steady State Current Flowing Previously 3 _Includes Time to Close Contacts 7 6 Maximum Time 5 Mrnmum_Time s 3 2 ___ 1 10 I I I I I I 012345 6789 I I 19 ...

Page 20: ...f Pickup Setting Figure 6 0286A5395 Dropout Trip Output Removal Operating Time for the SBC231 Relay 20 Time ms 1 1 1 1 1 1 1 1 1 E Conditions 8 1 Includes Time to Open Contacts Current Reduced to 95 of PU Current Reduced to 0 of PU 7 6 ___ 5 4 _ 3 2 1 ______ 10 I P I I P I I I 0123456789 10 11 12 13 20 ...

Page 21: ...CJ CD p 0 CD 0 p3 p I CD I CD U r I LZ L2i F F U F res r oh B P C hi I I C ij m ...

Page 22: ...GEK 1 00637 Figure 8 8919540 SBC with Front Cover Removed Figure 9 8919541 SBC Front View Without Nameplate P1 I liii 22 ...

Page 23: ...GEK 1 00637 ooo0OI 00000 00 C QO 0 0 0 0 0 Surge Ground Stud 21 Figure 10 8919542 Rear View of Relay Case and Cradle Location of PL4 U i_I 23 ...

Page 24: ... 3o 3q91 Figure 11 8919543 Typical Removed Module CONNECTING PLUG NOTE AFTER ENGAGING AUXILIARY BRUSH CONNECTING PLUG TRAVELS 1 4 INCH BEFORE ENGAGING THE MAIN BRUSH ON THE TERMINAL BLOCK Figure 12 8025039 Drawout Case Contact Assembly MAIN BRUSH CONNECTING BLOCK AUXILIARY BRUSH I TERMINAL BL SHORTING BAR 24 ...

Page 25: ...YPICAL DIM INCHES MM Figure 13 0184B5792 1 Outline and Panel Drilling Dimensions 16 5 16 18 STUDS SURFACE MTG 4 _L CUT hUT r 4 PANEL DRILLING FUR SEMI FLUSH MOUNTING FRONT VIEW 500 1MM TYPICAL PANEL DRILLING C MOUNTING MM FOR FRONT VIEW VIEW FOR ...

Page 26: ...GEK 1 00637 Figure 15 0286A4924 BFT Test 26 UNIT UNDER rEsr SBC SURGE GROUND Figure 14 0286A4840 Power Up Test ...

Page 27: ...Figure 16 0286A4925 Power Supply Alarm Test Figure 17 0286A4843 Target Test GEK 1 00637 27 ...

Page 28: ...GE Multilin 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 http Iwww GEindustriaLcomlmultilin ...

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