ABB SPAD 330C MANUAL PDF

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ABB's website uses cookies. By staying here you are agreeing to our use of cookies. Learn more. Search now. There was a problem with your request. Please fill in required fields. Sign up. The differential relay SPAD C is designed to be used as a fast interwinding short-circuit and interturn fault protection for two-winding power transformers and power plant generator-transformer units. The relay is also adopted for three-winding power transformers provided that the power transformer is characterized by a unidirectional flow.

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Rate this page General impression. Positive Negative. Your cart Learn more about shopping on ABB. Differential relay SPAD Not active product since The differential relay SPAD C is designed to be used as a fast interwinding short-circuit and interturn fault protection for two-winding power transformers and power plant generator-transformer units. Matching of the power transformer vector group with DlL switches and the electronics.

No intermediate current transformers are needed. The transforming ratio errors of the C. Separately adjustable differential current high-set instantaneous stage.

Stabilized operating principle prevents spurious function on faults occurring outside the area of protection. Blocking function, for prevention of spurious operations caused by connection inrush currents, based on the occurrence of the second harmonic. Local display of measured and set values on relay front panel.

Continuous self-supervision of the electronic circuitry and the operation of the microprocessor. Are you looking for support or purchase information? Contact us. Transformer protection and control RET ABB Web feeds. Events Customer events Investor events Media events.

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Differential relay SPAD 330

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