PCIT Primary Current Injection Test Set

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Description: High current or high voltage situations at large electrical installations like power substations use primary injection testing, wherein a large current, between 100A to 20000A, depending on the system and the requirements, is injected directly on the primary side of an electrical system (like a circuit breaker). The testing is done with the aim to identify how an electrical system operates under various levels of current loads.
Any failure during activation of Circuit Breakers can cause disastrous damage to the electrical system, if they have gone through a long period without activation, as can be the case sometimes. Using a Primary Current Injection on a breaker that has been non-active is probably the best way to reconstruct the condition of a current spike. By injecting the current into the electrical system, it is easy to measure if the breaker will trip or fail and also how long the current stays live before the circuit breaks.

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