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Distribution Automation Handbook
ABB

Distribution Automation Handbook

Section 8.6 MV Feeder Earth-fault Protection

ABB

Distribution Automation Handbook

Publicado: 22 de novembro de 2022 · Categoria: Cadernos técnicos

Section 8.6 MV Feeder Earth-fault Protection

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Distribution Automation Handbook Section 8.6 MV Feeder Earth-fault Protection Distribution Automation Handbook (prototype) 1MRS757287 Power System Protection, 8.6 MV Feeder Earth-fault Protection 2 Contents 8.6 MV Feeder Earth-fault Protection ..................................................................................................... 3 8.6.1.1 FAULTS AND ABNORMAL CONDITIONS ................................................................................................................................. 3 8.6.1.2 FAULT STATISTICS ............................................................................................................................................................... 3 8.6.1.3 FAULT RESISTANCE.............................................................................................................................................................. 4 8.6.1.4 EFFECTIVELY EARTHED SYSTEMS ........................................................................................................................................ 7 8.6.1.5 NON-EFFECTIVELY EARTHED SYSTEMS ................................................................................................................................ 8 8.6.1.6 MEASUREMENT OF EARTH-FAULT CURRENTS ....................................................................................................................... 8 8.6.1.7 LIMITATIONS OF NON-DIRECTIONAL RESIDUAL RELAYS...

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