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GEC YTG and Reyroll THS Distance Protection Relay Manual

GEC YTG and Reyroll THS Distance Protection Relay Manual

GEC YTG and Reyroll THS Distance Protection Relay Manual

(OP)
I've just been asked to review protection settings for the following relays:

1. GEC YTG 31/4 Relay
2. Reyrolle THS

Does anyone have a manual for these relays?

Attached are some pictures I've been sent of the relays. I have the relay settings and line information but I need to check how the relay works before making any changes.

Any help would be appreciated.

RE: GEC YTG and Reyroll THS Distance Protection Relay Manual

Have you tried Siemens at Hebburn, who now own the Reyrolle business? Also Areva T&D at Stafford who own the GEC relays business? I think Siemens kept the old Reyrolle records, and Areva's archive is in pretty good shape.
  

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