Device with direct current deicing function and static reactive compensation function
The invention discloses a device with the direct current deicing function and the static reactive compensation function. The device comprises a six-pulse-thyristor rectifier, a reactor group and isolation switches. The reactor group comprises six three-phase reactors. The six-pulse-thyristor rectifi...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses a device with the direct current deicing function and the static reactive compensation function. The device comprises a six-pulse-thyristor rectifier, a reactor group and isolation switches. The reactor group comprises six three-phase reactors. The six-pulse-thyristor rectifier comprises six pairs of three-phase thyristor rectification units. The isolation switches are arranged in connecting lines of the reactors and the thyristor rectification units. When the isolation switches are in a deicing open-close state, the two reactors in one phase in the reactor group are connected in parallel between the two pairs of thyristor rectification units of the corresponding phase in the six-pulse-thyristor rectifier, and the six-pulse-thyristor rectifier outputs direct currents to a load circuit for deicing; when the isolation switches are in a reactive compensation open-close state, a TCR phase-controlled reactor of the type that the reactors are controlled by thyristors is composed of the reactor group and the six-pulse-thyristor rectifier, and static reactive compensation is conducted on the load circuit. The direct current deicing function and the static reactive compensation function can be achieved by the device and the economical efficiency of the whole device is enhanced. |
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