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Siemens Reyrolle 7PG2111 Solkor Relay

Siemens Reyrolle 7PG2111 Solkor Relay
Siemens Reyrolle 7PG2111 Solkor Relay
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Product Code : 7PG2111
Brand Name : Siemens
Product Description

Siemens Reyrolle 7PG2111 SolkorRelay

The7PG21 is a three phase unit differential protection used to detect in zonephase and earth faults. The relay is applied to overhead line and undergroundcable circuits as well as shorter circuits such as interconnectors.Relays (andassociated CTs) are installed at each end of the protected circuit andconnected together with dedicated metallic pilot wires.This establishedprotection system provides a simple, robust protection of proven performancefacilitating straightforward installation, commissioning and maintenance.Relayshave 3 current inputs and are housed in E6 cases.Additional relays andcomponents can be added to the basic protection to provide:-Increasedinsulation level-Pilot Wire Supervision to monitor the integrity of the pilotcircuit.

Protection Functions

  • Current differential protection over a single pair of pilot wires

Supervision Functions

  • Optional pilot wire supervision
  • Optional overcurrent guard (check)

Control Functions

  • Optional unstabilising / intertripping

 


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