Specialised Engineering Services

Relay Coordination Study & Analysis

Relay Coordination Study & Analysis

A Protective Device Coordination Study will show you the probable and possible values of fault currents within the system and show you the impact short circuits and failures would have on your fuses, circuit breakers, and your facility’s operation.

In utility and industrial electric power transmission and distribution systems, a digital protective relay is a computer-based system with software-based protection algorithms for the detection of electrical faults. 

Such relays are also termed as microprocessor type protective relays. They are functional replacements for electro-mechanical protective relays and may include many protection functions in one unit, as well as providing metering, communication, and self-test functions.

  • Increase equipment protection
  • Increase facility reliability by limiting the effects of a disturbance (fault/overload) to smaller areas within the distribution system.
  • Ensure protective device coordination by setting the protective devices to trip in sequence.

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