The invention also relates to a differential protection device of corresponding design.
The third AND gate outputs a differential protection signal.
The invention further relates to a corresponding differential protection device.
The invention further relates to a correspondingly designed differential protection device.
Differential protection of three phase transformer
Rotary switches (49) on the outer surface of the ground fault/rating plug enclosure configures the trip unit for ground fault protection.
It is suitable for the longitudinal differential protection of power transformer.
Transformer differential protection (function 87T) is used solely for protection of the
Differential protection: guarantees the safety of the users.
Current and toroidal transformers for differential protection.
It is suitable for the longitudinal differential. protection of power transformer.
A differential protection apparatus based on a break variable impedance principle.
The invention discloses a technical improved solution of transformer differential protection.
This system is generally known as “residual protection” or “vigi”.
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They basically have one and only one function: personal protection.
Under a condition of an external fault, the differential protection unit is disabled for a determined interval of time.
An electrical differential protection apparatus, particularly a circuit breaker or switch having a test circuit, is disclosed.
The invention relates to a differential protection method for generating a fault signal (F).
A compensated differential protection is obtained that can detect shunt faults occurring in the windings.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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