Transcription of New Protection Solutions using Existing Pilot Wires
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New Protection Solutions using Existing Pilot Wires
HV Power File:New Protection with Existing Pilot Wires Page 1 of 4 Originator: Nick Bowe Version 1. December 2014 HV Power Measurements & Protection Ltd Tel: +64-9- 377 2001 Unit 4, 1 Porters Ave, Eden Terrace, Auckland Fax: +64-9- 302 2142 P O Box 26-074, Epsom, Auckland 1030, New Zealand Email: New Protection Solutions using Existing Pilot Wires A large number of Pilot - wire based Protection systems are still in operation throughout the world. Many of the relays used lack the features that modern Protection relays bring; stable Protection elements, event recording, and flexible backup Protection . In an ideal world these Protection schemes would all be updated and the copper Pilot Wires replaced with fibre-optic cables at the same time, however in reality the cost of replacing the Pilot cables can mean that Protection upgrades get deferred.
HV Power File:New Protection with existing Pilot Wires Page 1 of 4 Originator: Nick Bowe Version 1. December 2014 HV Power Measurements & Protection Ltd Tel: +64-9- 377 2001 Unit 4, 1 Porters Ave, Eden Terrace, Auckland Fax: +64-9- 302 2142
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