DEIF Single Function Relay produced by DEIF company of Denmark country , include protection relays as voltage , frequency , short circuit , overcurrent ,stator earth fault relay and etc. Technical specifications , applications and features of each have been displayed in product section of site separately. Borna Niroo Karan (Bornika) is the exclusive agent of DEIF in the fields of consultation , sales and distribution of power industry products including DEIF Single Function Relay products .

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Products
  • Model: MDR-2
  • Order code: MDR-2 No :2912500020-xx
  • Brand:
  • Country: Denmark
  • The MDR-2 differential protection relay is a micro processor based control unit containing all necessary functions for monitoring of the differential currents for a synchronous/asynchronous generator or motor (the object). Via current transformers the MDR-2 measures each phase current on both sides of the object. The current transformers determine the limits of the protection area. Any failure within these limits (2- or 3-phase short circuits or earth leaks) will be detected as an error Id: Differential currents, the currents flowing through the two current transformers of the phase in question differ, and, if a preset limit value is exceeded, a warning will be given or a tripping signal transmitted. The MDR-2 dynamic compensation curves for warning and tripping are defined by the user.

  • Model: RMV-112D , RMV-122D , RMV-132D , RMV-142D
  • Order code: RMV-1xxD No: 2913210yyy-zz
  • Brand:
  • Country: Denmark
  • The protective voltage relays types RMV-112D, RMV-122D and RMV-132D form part of a complete DEIF series of relays for protection and control of generators and are applicable to both marine and land-based installations. Also available are voltage relays for single phase measurement (RMV-142D). The voltage relays are applied for protection of generators, motors and transformers against adverse system voltage conditions.

  • Model: RMF-112D
  • Order code: RMF-112D No :2913360120-xx
  • Brand:
  • Country: Denmark
  • The digital, combined under-frequency and over-frequency relay type RMF-112D forms part of a complete DEIF series of relays for protection and control of generators. The relay is type-approved by major classification societies and is applicable to both marine and land-based installations. The RMF-112D is applied for protection against under-frequency and over-frequency by supervising the frequency (of generators) in single phase and 3-phase networks.

  • Model: RMC-111D, RMC-122D, RMC-132D
  • Order code: RMC-1xxD No:2913160yyy-zz
  • Brand:
  • Country: Denmark
  • The protective current relays types RMC-111D, RMC-122D and RMC-132D form part of a complete DEIF series of relays for protection and control of generators. The relays are applicable to both marine and land-based installations. Also available are differential current relays (RMC-131D)

  • Model: RMC-131D
  • Order code: RMC-131D No:2913160660-xx
  • Brand:
  • Country: Denmark
  • The protective differential current relay type RMC-131D forms part of a complete DEIF series of relays for protection and control of generators, and is primarily designed for marine applications. The RMC-131D is type-approved by major classification societies and is applied for protection of for example generators in 3-phase networks against leakage currents.

  • Model: RMC-142D
  • Order code: RMC-142D No:2913160760-xx
  • Brand:
  • Country: Denmark
  • The protective stator earth fault relay type RMC-142D forms part of a complete DEIF series of relays for protection and control of generators. The RMC-142D is primarily designed for land-based installations. The RMC-142D is CE-marked and is applied for protection of voltage sources and load networks against earth fault in a solid earthing or a low-resistance earthing system.

  • Model: LMR-111D
  • Order code: LMR-111D No : 2913410060-xx
  • Brand:
  • Country: Denmark
  • The loss of mains relay type LMR-111D forms part of a complete DEIF series of relays for protection and control of generators. A mains failure will be detected, provided a disconnection at an arbitrary point of the network results in a swift change of the generator frequency (vector shift). An opening signal is then transmitted to the mains circuit breaker, and the generator will thus be protected against damages caused by an automatic reconnection to the high-voltage network.

  • Model: LMR-122D
  • Order code: LMR-122D No : 2913410560 -xx
  • Brand:
  • Country: Denmark
  • The DEIF loss of mains relay type LMR-122D forms part of a complete DEIF series of relays for protection and control of generators. A mains failure will be detected, provided a disconnection at an arbitrary point of the network results in a swift change of the generator frequency (vector shift). An opening signal is then transmitted to the mains circuit breaker, and the generator will thus be protected against damages caused by an automatic reconnection to the high-voltage network.

  • Model: RMP-111D
  • Order code: RMP-111D No: 2913310060-xx
  • Brand:
  • Country: Denmark
  • The protective overload relay type RMP-111D forms part of a complete DEIF series of relays for protection and control of generators and is applicable to both marine and land-based installations. Also available are reverse power relays (RMP-121D) and combined overload and reverse power relays (RMP-112D). The RMP-111D is type-approved by major classification societies and is applied for protection of the prime mover against overload. This is especially required if the prime mover is undersized in proportion to the AC generator.

  • Model: RMP-112D
  • Order code: RMP-112D No: 2913310120-xx
  • Brand:
  • Country: Denmark
  • The protective reverse power relay type RMP-112D forms part of a complete DEIF series of relays for protection and control of generators and is applicable to both marine and land-based installations. Also available are reverse power relays (RMP-121D) . The RMP-112D is type-approved by major classification societies and is applied for protection of the prime mover against overload. This is especially required if the prime mover is undersized in proportion to the AC generator. Supervision of the reverse power will prevent a generator running in parallel with other generators from running as a motor - thus protecting the prime mover - and will at the same time ensure that the remaining generators connected to the system are not disconnected due to overload of these.

  • Model: RMP-121D
  • Order code: RMP-121D No:2913310520-xx
  • Brand:
  • Country: Denmark
  • DEIF reverse power relay type RMP-121D forms part of a complete DEIF series of relays for protection and control of generators and is applicable to both marine and land-based installations. The protective reverse power relay will prevent a generator running in parallel with other generators from running as a motor ("motoring") in case of lost prime mover torque, and will thus protect the prime mover, at the same time ensuring that the remaining generators connected to the system are not overloaded. Likewise, the RMP-121D protects against reverse power due to an increase of the power of other generators connected to the system.

  • Model: RMQ-111D , RMQ-121D
  • Order code: RMQ-1xxD , No: 2913320yyy-zz
  • Brand:
  • Country: Denmark
  • The protective loss of excitation relay type RMQ-111D and the over-excitation relay type RMQ-121D form part of a complete DEIF series of relays for protection and control of generators. The relays are type-approved by major classification societies and are applicable to both marine and land- based installations.

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