High-voltage thyristor switching capacitor device and switching method

The invention discloses a high-voltage thyristor switching capacitor device including a voltage detection unit, a control unit, an electromagnetic triggering unit, a capacitor set and a thyristor set. The capacitor set and the thyristor set are connected in a three-phase circuit in series. The volta...

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Hauptverfasser:	ZHU JIANBO, WU QIANG, MAO JINPING, LIU ZHONG, WANG CAIXIAO, LIU YONGLI, YANG LEI, WU MINGSHUI, LUO RENJUN, LYU SHUNKAI, DENG MING, HUANG YANYAN, WEN TAO, LONG LILAN, QIU WENJUN, ZHANG DIAN, TU SHAOPING, ZHOU FANGYUAN, GONG FEN, HU QIAN
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SYSTEMS FOR STORING ELECTRIC ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	The invention discloses a high-voltage thyristor switching capacitor device including a voltage detection unit, a control unit, an electromagnetic triggering unit, a capacitor set and a thyristor set. The capacitor set and the thyristor set are connected in a three-phase circuit in series. The voltage detection unit is connected with the control unit. The electromagnetic triggering unit is connected with the control unit and the thyristor set separately. The invention also discloses a switching method of the high-voltage thyristor switching capacitor device. The method comprises the following steps: the voltage detection unit detects a voltage signal of each phase circuit and transmits the signal to the control unit; the control unit generates a pulse signal of a specific time according to the voltage signal of each phase circuit and transmits the pulse signal to the electromagnetic triggering unit; and the electromagnetic triggering unit generates a triggering pulse of a specific time according to the pulse signal and transmits the triggering pulse to the thyristor set so that the thyristor set is conducted to complete switching to the capacitor set. The device and the method have the advantages of easy operation, quick response speed, precise control, and no impact surge during the switching process.