1.2 esquemas de proteccion
TRANSCRIPT
ESQUEMAS TIPICOS DE ESQUEMAS TIPICOS DE PROTECCIÓN DE LOS PROTECCIÓN DE LOS EQUIPOS ELÉCTRICASEQUIPOS ELÉCTRICAS
Ing. Luis Felipe Hernández ZevallosDLF SAC
RADIAL RADIAL SYSTEMSSYSTEMS
RINGRING‐‐MAIN MAIN CIRCUITCIRCUIT
SWITCHSWITCH ONTOONTO FAULT PROTECTIONFAULT PROTECTIONSWITCHSWITCH‐‐ONTOONTO‐‐FAULT PROTECTIONFAULT PROTECTION
DIRECTIONAL COMPARISON PROTECTIONDIRECTIONAL COMPARISON PROTECTIONDIRECTIONAL COMPARISON PROTECTIONDIRECTIONAL COMPARISON PROTECTION(CROSS(CROSS‐‐COUPLING)COUPLING)
DISTRIBUTION DISTRIBUTION DISTRIBUTION DISTRIBUTION FEEDER WITH FEEDER WITH RECLOSERSRECLOSERS
33 POLE POLE 33‐‐POLE POLE MULTISHOT MULTISHOT AUTOAUTO‐‐
RECLOSURE RECLOSURE RECLOSURE RECLOSURE (AR,ANSI 79)(AR,ANSI 79)(AR,ANSI 79)(AR,ANSI 79)
PARALLEL FEEDER CIRCUITPARALLEL FEEDER CIRCUITPARALLEL FEEDER CIRCUITPARALLEL FEEDER CIRCUIT
REVERSEREVERSE‐‐POWER POWER POWER POWER
MONITORING MONITORING AT DOUBLE AT DOUBLE INFEEDINFEEDINFEEDINFEED
SYNCHRONIZATION FUNCTIONSYNCHRONIZATION FUNCTIONSYNCHRONIZATION FUNCTIONSYNCHRONIZATION FUNCTION
CABLES OR SHORT OVERHEAD LINES CABLES OR SHORT OVERHEAD LINES WITH INFEED FROM BOTH ENDSWITH INFEED FROM BOTH ENDSWITH INFEED FROM BOTH ENDSWITH INFEED FROM BOTH ENDS
OVERHEAD LINES OR LONGER CABLES OVERHEAD LINES OR LONGER CABLES WITH INFEED FROM BOTH ENDSWITH INFEED FROM BOTH ENDSWITH INFEED FROM BOTH ENDSWITH INFEED FROM BOTH ENDS
SUBTRANSMISSION LINESUBTRANSMISSION LINESUBTRANSMISSION LINESUBTRANSMISSION LINE
TRANSMISSION LINE WITH TRANSMISSION LINE WITH REACTORREACTOR
TRANSMISSION TRANSMISSION LINE OR CABLELINE OR CABLELINE OR CABLELINE OR CABLE(WITH WIDE(WITH WIDE‐‐((
BAND BAND COMMUNICATION)COMMUNICATION)COMMUNICATION)COMMUNICATION)
TRANSMISSION TRANSMISSION LINE OR CABLELINE OR CABLELINE OR CABLELINE OR CABLE(WITH WIDE(WITH WIDE‐‐((
BAND BAND COMMUNICATION)COMMUNICATION)COMMUNICATION)COMMUNICATION)
TRANSMISSION TRANSMISSION LINE LINE LINE, LINE,
BREAKERBREAKER‐‐ANDAND‐‐AA‐‐HALF HALF
TERMINAL (1)TERMINAL (1)TERMINAL (1)TERMINAL (1)
TRANSMISSION TRANSMISSION LINE LINE LINE, LINE,
BREAKERBREAKER‐‐ANDAND‐‐AA‐‐HALF HALF
TERMINAL (2)TERMINAL (2)TERMINAL (2)TERMINAL (2)
SMALL SMALL TRANSFORMER TRANSFORMER
INFEEDINFEEDINFEEDINFEED
LARGE OR LARGE OR IMPORTANT IMPORTANT TRANSFORMER TRANSFORMER TRANSFORMER TRANSFORMER
INFEEDINFEEDINFEEDINFEED
DUAL INFEED WITH SINGLE DUAL INFEED WITH SINGLE DUAL INFEED WITH SINGLE DUAL INFEED WITH SINGLE transformertransformer
PARALLEL INCOMING PARALLEL INCOMING TRANSFORMER FEEDERSTRANSFORMER FEEDERS
PARALLEL INCOMING TRANSFORMER PARALLEL INCOMING TRANSFORMER FEEDERS WITH BUS TIEFEEDERS WITH BUS TIEFEEDERS WITH BUS TIEFEEDERS WITH BUS TIE
THREETHREETHREETHREE‐‐WINDING WINDING
TRANSFORMERTRANSFORMER
AUTOTRANSFORMERAUTOTRANSFORMER
LARGE AUTOTRANSFORMER BANKLARGE AUTOTRANSFORMER BANK
SMALL AND MEDIUMSMALL AND MEDIUM‐‐SIZED SIZED MOTORS < ABOUT 1 MWMOTORS < ABOUT 1 MW
With ff ti lWith ff ti l i t th d i t th d With effective or lowWith effective or low‐‐resistance earthed resistance earthed infeed (IE ≥ INMotor)infeed (IE ≥ INMotor)
SMALL AND MEDIUMSMALL AND MEDIUM‐‐SIZED SIZED MOTORS < ABOUT 1 MWMOTORS < ABOUT 1 MW
With hi hWith hi h i t th d i f d i t th d i f d With highWith high‐‐resistance earthed infeed resistance earthed infeed (IE≤INMotor)(IE≤INMotor)
LARGE HV LARGE HV MOTORSMOTORS> ABOUT> ABOUT1 MW1 MW1 MW1 MW
COLD LOAD COLD LOAD COLD LOAD COLD LOAD PICKUPPICKUPPICKUPPICKUP
GENERATORSGENERATORSGENERATORSGENERATORS< 500 KW< 500 KW
GENERATORS, TYPICALLY 1GENERATORS, TYPICALLY 1––3 MW3 MW
GENERATORS > 1GENERATORS > 1––3 MW3 MW
GENERATORS > 5GENERATORS > 5––10 MW FEEDING INTO A 10 MW FEEDING INTO A NETWORK WITH ISOLATED NEUTRALNETWORK WITH ISOLATED NEUTRALNETWORK WITH ISOLATED NEUTRALNETWORK WITH ISOLATED NEUTRAL
GENERATORS GENERATORS GENERATORS GENERATORS >50>50‐‐100 MW 100 MW IN GENERATOR IN GENERATOR TRANSFORMER TRANSFORMER TRANSFORMER TRANSFORMER
UNIT UNIT CONNECTIONCONNECTION
SYNCHRONIZATION OF A SYNCHRONIZATION OF A GENERATORGENERATOR
BUSBAR PROTECTION BY O/C RELAYS BUSBAR PROTECTION BY O/C RELAYS WITH REVERSE INTERLOCKINGWITH REVERSE INTERLOCKINGWITH REVERSE INTERLOCKINGWITH REVERSE INTERLOCKING
HIGHHIGH‐‐IMPEDANCE BUSBAR IMPEDANCE BUSBAR PROTECTIONPROTECTION
LOWLOW‐‐IMPEDANCE BUSBAR IMPEDANCE BUSBAR PROTECTION 7SS60PROTECTION 7SS60
LOWLOW‐‐IMPEDANCE BUSBAR IMPEDANCE BUSBAR PROTECTION 7SS52PROTECTION 7SS52