Hybrid direct current system and steady state control and start control method thereof

The invention discloses a hybrid direct current system and a steady state control and start control method thereof. The hybrid direct current system comprises a sending end MMC converter station, a sending end LCC converter station, a receiving end MMC converter station, a receiving end LCC converte...

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Hauptverfasser:	HE YUWEN, XU RUIWEN, HU TAO, YANG LIMIN, YANG SHANGJIN, FU XIAOBEI, LIN SHAOBO, LIU CHONG, LEI XIAO, LIU LIN, WANG JINGFANG, LIU SHICHENG, WU YANI, XIE GUOPING, ZHU YIYING, CHEN CHENXI, LIU HAOFANG, ZHANG XIAOLI, HUANG WEIBO, LI DECAI, WANG WEIWEI, LUAN KEDONG, LI XINNIAN, ZHAO ZHIHUA, PANG GUANGHENG, LI YUETING, LI XIAOXIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention discloses a hybrid direct current system and a steady state control and start control method thereof. The hybrid direct current system comprises a sending end MMC converter station, a sending end LCC converter station, a receiving end MMC converter station, a receiving end LCC converter station and a direct current line. According to the steady state control method of the hybrid direct current system, a sending end MMC converter station adopts a fixed alternating current voltage/fixed frequency control mode, a sending end LCC converter station adopts a fixed sending end MMC active power control mode, a receiving end MMC converter station adopts a fixed direct current voltage control mode, and a receiving end LCC converter station adopts a fixed receiving end MMC active power control mode; according to the starting control method of the hybrid direct-current system, direct-current voltage is established by starting the receiving-end MMC converter station, sending-end alternating-current voltage i