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Distance Protection Relay Trainer (Model: XPO-PRT-II/DIST)

The Distance Protection Relay Trainer (Model: XPO-PRT-II/DIST) is a comprehensive educational solution designed to facilitate the study of distance protection for transmission lines, along with an auto-release function. This trainer is equipped with a built-in relay testing kit, including RL Transmission Line models for distances of 125Kms and 250Kms, as well as trip relay logic. It eliminates the need for a separate testing kit, making it convenient for users. To enhance the learning experience, the trainer includes a set of 7-10 associated relay testing panels mounted in a lightweight and sturdy aluminum profile flat demo panel system. The use of 4mm sturdy shrouded banana patch cords and shrouded socket arrangements for high-voltage circuits ensures easy and safe wiring for students. The trainer showcases the auto-reclose facility of the distance relay, providing a practical demonstration of its functionality.

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SALIENT FEATURES

  • Facilitates distance protection of transmission line & Auto release function.
  • Above trainer has built in requisite relay testing kit typically consisting of RL Transmission Line (125Kms/250kms), trip relay logic etc.
  • The Trainer needs a few set of associated relay testing panels (7-10 nos. typically) which are mounted in a light weight sturdy aluminum profile flat demo panel system. Do not need any separate testing kit.
  • Facilitates easy and safe wiring by students due to use of 4mm sturdy Shrouded banana patch cords and shrouded socket arrange-ments for high voltage circuits, each panel has ABS molded plastic sturdy enclosure, and colorful screwless overlays showing circuits diagrams & its connection tag numbers for easy understanding and connection.
  • Auto reclose facility of Distance relay is demonstrated.

Technical Specifications

Input 3 phase DOLStarter panel (EMT1)

  • 4 pole MCB of 415 V/2A.
  • DOL9AContactor with 230V / 50 Hz / 11VACoil .
  • Bimetallic thermal O/L relay with range 1.4A – 2.3A, also work as circuit breaker.
  • R-Y-B Input Indicators. Separate NO contact brought out for auto recloser & NC for trip.
  • Green SBS5 socket is provided for extend earth.

1 phase AC Input supply panel ( EMT16A)

  • 1ph. MCBs of 4A/1.6A – 2nos.
  • Bulb Load.

FWD-OFF-REV, Switch Panel (EMT 4A)

  • FWD/REV, 3 pole 3 way switch with center OFF, 6A/440V.

3 Phase Power cum Energy meter panel (EMT 34) x 2 Nos.

  • Multifunction
  • 3 phase 3/4 wire, 415VAC, CTInput 5A
  • LCD/LED display, Aux. supply 230V, 45-65Hz,5W,
  • V, I, Hz, Pf, KVA, KW, KWH.
  •  Modbus RTU RS 485 (optional)
  • Green SBS5 socket is provided for extend earth.

Distance Relay Panel (EMT53)

  • All connection of relay are brough out on this panel
  • 2 NO Trip contacts, 1 NC Trip contacts, 1 NO Auto reclose contact.
  • Aux. Supply 230VAC.

CT panel (EMT48)

  • l Consist of 5/5 Amp. CT6 Nos.
  • Primary side of CTs are brought on 3 x 2 x 2 SBS-5 sockets.
  • Secondary side of CTs are Star connectd in group of 3 & brought out on 4 x 2 SBS-5 sockets.

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