Power grid filter choke

Electrical transmission or interconnection systems – Combined impedance and switch systems

Reexamination Certificate

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Reexamination Certificate

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07843086

ABSTRACT:
The object of the invention is to implement a circuit arrangement, which in rated operation without resonance generates as little power loss as possible, but on suitable excitation effects a disproportionate asymmetrical damping, so that resonances and overvoltages associated with them are avoided. The object is attained by using a damping member5a, b, c, which effects the damping in proportion to a primary circuit parameter. The advantage is the adaptive performance of a power grid filter equipped with the choke of the invention.

REFERENCES:
patent: 6075425 (2000-06-01), Gopfrich et al.

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