(Open Delta) Y or. (Broken Delta) 2 or 3 CLOSE (3U,VT) (Uo,VT) (1) 52(1) (3I, CT) (W1) (Uo,VT) (W2) (W3) 52(2) (Io, CT) (2) (3IB, CT) Bus 2 52(3)

Transcription

1 SHEET 1 OF 10 RET620_NTB2FFExxxNx1xx RET620 V2.0 NSI Functional pplication (B) 50BF_TRBU 50BF_TRBU 50BF_TRBU OR PO2 Bus 1 50BF (1,2,3)_TRBU (Broken Delta) (Open Delta) Y or 2 or 3 RET620 V2.0 NSI Functional pplication (B) 52_EXE_CL (3U,VT) 51P_ 1_ 2_ 51N_ 50N_ 46_ FD-1_ 67/51P_ 51G_ 50G_ 67/51N_ 49T_ 51P_ 1_ 2_ 51N_ 50N_ 46_ FD-2_ 49T_ 51G_ 50G_ Breaker 1 Trip Breaker 2 Trip 86/94-1_ 52_EXE_OP 87T_ 87LOZREF_ 86/94-1_ 52_EXE_OP 86/94-1_ OR CB1_POSITION_ CB1_POSITION_OPEN OR 52_EXE_CL OR 86/94-1_ SO1 HSO1 PO3 INPUT 7 INPUT 8 PO1 HSO1 PO4 STTUS 86T S: (W1) (W3) 52 (W2) (Uo,VT) (3I, CT) (Uo,VT) (Io, CT) Calc V0 2 Neg Seq Volt 59G Load Prof. Meas V T G G P 32N REF 60 67/ 51P 67/ 51N 81LS H-1 81LS H-3 50BF 50N BF 81LS H-2 81LS H N Calculated Ground Functions N ² 51P 51N HSO2 CB2_POSITION_ INPUT 5 STTUS 3 (3IB, CT) BF P CB2_POSITION_OPEN 51P_ 1_ 2_ 51N_ 50N_ 46_ FD-3_ 49T_ 51G_ 50G_ Breaker 3 Trip 86/94-1_ 52_EXE_OP 52_EXE_CL OR 86/94-1_ INPUT 6 HSO2 SO3 HSO3 Bus (3IC, CT) N- BF 50BF 50N- 1 Calculated Ground Functions N- 51P 87T CB3_POSITION_ INPUT 3 STTUS FD- 1 FD- 2 FD- 3 50N BF 50N 1 51N CB3_POSITION_OPEN Calculated Ground Functions INPUT 4 Notes: 1. Rotary Switch emulates drop down menu for "Pol Signal Sel" parameter setting in PCM600. Switch position shown for default setting (Neg Seq Volt). Bus 3 2. "Pol Signal Sel" parameter setting Calc Vo, 59N function not applicable for open delta connected VTs. SINGLE LINE DIGRM (TYPICL) RELY ORDER CODE: NTB2FFE1BNN1XF UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..

2 SHEET 2 OF 10 RET620_NTB2FFExxxNx1xx General Notes: 1. Style and code numbers for FT-1 switches provide black covers and handles, screw terminals and standard depth. Poles selection follows arrangement shown in this drawing set. For custom designs, different selection options can be made by using FT-1 configurator at ft1switch.com 2. Refer to 620 series NSI Installation Manual for relay and cutout dimensions ( Document ID: 1MC iB, Revision:, Product version 2.0) FRONT PNEL ELEVTION NTB2FFE1BNN1XF RELY ORDER CODE: UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..

3 B C D E F G H I J FT-1/TS (CB52 BINRY I/O ND BUS 1 GROUND POTENTIL) GROUND VOLTGE VG 87T_ (PO1)/87LOZREF_(PO1) 50BF(1,2,3)_TRBU(PO2) 86_94-1_/52_EXE_OP(PO3) 52_EXE_CL(SO1) 86_94-1_(HSO1) CB1_POSITION_(IN7) CB1_POSITION_OPEN(IN8) B C D E F G H I J (CT CURRENTS ND BUS 1 PHSE POTENTILS) FT-1 SWITCH RRNGEMENT NTB2FFE1BNN1XF RELY ORDER CODE: PHSE CURRENT I PHSE CURRENT IB PHSE CURRENT IC PHSE VOLTGE V PHSE VOLTGE VB PHSE VOLTGE VC RELY POS. VDC RELY NEG. VDC 86_94-1_/52_EXE_OP(PO4) 52_EXE_CL(HSO1) 86_94-1_(HSO2) CB2_POSITION_ (IN5) CB2_POSITION_OPEN (IN6) B C D E F G H I J FT-1/TS (CT CURRENTS ND TRNSFORMER NEUTRL CURRENT) B C D E F G H I J FT-1/TS PHSE CURRENT I PHSE CURRENT IB PHSE CURRENT IC GROUND CURRENT IG RET620_NTB2FFExxxNx1xx ( CB 52 BINRY I/O) ND POWER SUPPLY) UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S.. B C D E F G H I (CT CURRENTS ) B C D E F G H I (CB 52 BINRY I/O) 86_94-1_/52_EXE_OP(SO3) 52_EXE_CL (HSO2) 86_94-1_ (HSO3) CB3_POSITION_ (IN3) PHSE CURRENT I PHSE CURRENT IB PHSE CURRENT IC J J SHEET 3 OF 10 CB3_POSITION_OPEN (IN4) FT-1/TS3 FT-1/TS6

4 SHEET 4 OF 10 RET620_NTB2FFExxxNx1xx Bus 1 Broken Delta Open Delta * FT-1/TS1 RET620 X115 FT-1/TS4 FT-1/TS1 X Transformer WYE VT CONNECTION 'VT connection' setting = 'Wye') * For relay voltage connections shown set nalog input Voltage 'VT connection' setting to Wye' for metering to work correctly. Refer to application manual for alternate connections to relay for open delta connections using 'Delta' VT connection setting. C SCHEMTIC - BUS 1, CB52 NTB2FFE1BNN1XF RELY ORDER CODE: UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..

5 SHEET 5 OF 10 RET620_NTB2FFExxxNx1xx Circuit Breaker 52 FT-1/TS2 RET620 X Circuit Breaker 52 Bus 2 NOTE: Connections shown are for a 30. NSI standard autotransformer. C SCHEMTIC- TRNSFORMER CB52, BUS 2 RELY ORDER CODE: NTB2FFE1BNN1XF UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..

6 SHEET 6 OF 10 RET620_NTB2FFE1BNN1XF Transformer 52 FT-1/TS3 RET620 X115 Bus 3 C SCHEMTIC - CB52, BUS 3 (TYPICL) NTB2FFE1BNN1XF RELY ORDER CODE: UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..

7 SHEET 7 OF 10 RELY POS. VDC BREKER 52 POS. VDC RET620_NTB2FFExxxNx1xx DC SCHEMTIC: INPUTS ND COMMUNICTION BORD BREKER 52 POS. VDC BREKER 52 POS. VDC 50BF-1/2/3_ POS(+VDC) X105 X110 X130 87T_ 87LOZREF_ 50BF_TRBU 50BF_TRBU 50BF_TRBU SO1 52_EXE_CL PO3 86/94-1_ 52_EXE_OP 86/94-1_ 52_EXE_OP 86/94-1_ 86/94-1_ 86/94-1_ 52_EXE_CL 52_EXE_CL 86/94-1_ 52_EXE_OP FT-1/TS5 FT-1/TS5 FT-1/TS4 FT-1/TS5 FT-1/TS6 FT-1/TS5 FT-1/TS6 50BF-1/2/3_ CKT RELY NEG. VDC BREKER 52 NEG. VDC BREKER 52 NEG.VDC BREKER 52 NEG.POS. VDC DC SCHEMTIC-OUTPUTS, PS (TYPICL) RELY ORDER CODE: NTB2FFE1BNN1XF UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..

8 SHEET 8 OF 10 RET620_NTB2FFExxxNx1xx RELY POS. VDC DC SCHEMTIC: POWER SUPPLY ND OUTPUTS BREKER 52 POS. VDC BREKER 52 POS. VDC BREKER 52 POS. VDC 52a 52b 52a 52b 52a 52b BI3 CB3_POSITION _ RELY NEG. VDC BREKER 52 NEG. VDC BREKER 52 NEG.VDC BREKER 52 NEG. VDC DC SCHEMTIC-INPUTS (TYPICL) RELY ORDER CODE: NTB2FFE1BNN1XF UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..

9 RET620_NTB2FFExxxNx1xx CONNECTION DIGRM-RELY RELY ORDER CODE: NTB2FFE1BNN1XF UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S.. SHEET 9 OF 10

10 SHEET 10 OF 10 RET620_NTB2FFExxxNx1xx CONNECTION DIGRM - FT-1 SWITCHES RELY ORDER CODE: NTB2FFE1BNN1XF UTOCD 2014 BB Protective Relays and Switches, Coral Springs Fl, U.S..