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The time interval which is passed in between the energization of the trip coil to the instant of contact separation is called the _________.

  • In electrical power systems, when a protective relay detects a fault or abnormal condition, it sends a trip signal to the circuit breaker to open and isolate the faulty part of the system.
  • The time interval which is passed in between the energization of the trip coil to the instant of contact separation is called the Opening Time.
  • The opening time is an important parameter that affects the performance of the protective system. It determines how fast the faulted part of the system can be isolated, which in turn affects the extent of damage to the system and the safety of personnel.
  • In general, the shorter the opening time, the better the protective system's performance.
  • The opening time of a circuit breaker depends on various factors, including the design of the breaker, the characteristics of the trip circuit, and the operating conditions of the system.