Bypass seamless transfer circuit and method for active voltage drop clamping input control

• Main Authors: WANG LEI, CHEN KAI, ZHU YUE, HAO DONGLIANG, JIE YEWEI, SHI WENHUI, PENG KUN, CAO RUI, ZHANG NAN, ZHANG XIAOHUA, ZHANG XIAOPING, SHENG BINQUAN, HE WEI, WU QINCHUN, MA ZHENQI, YU ZHIPING, ZHENG TAO, ZHANG LIPING, LU WEIHONG, NIU ZHONGWEI, ZHENG MINGZHOU, YANG JIANGUO
• Format: Patent
• Language: Chinese; English
• Published: 18.02.2022
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a bypass seamless transfer circuit and method for active voltage drop clamping input control, and the circuit comprises a main bypass and an auxiliary bypass; the main bypass comprises a bypass leakage protector, a first AC contactor and a first anti-parallel fast power diode; one end of the bypass leakage protector is connected with a bypass ammeter, the other end of the bypass ammeter is connected with a silicon controlled rectifier SCR1, the silicon controlled rectifier SCR1 is connected with one end of a first anti-parallel fast power diode, a first alternating current contactor is connected in parallel with the two ends of the first anti-parallel fast power diode, and the auxiliary bypass comprises a silicon controlled rectifier SCR2, a second anti-parallel fast power diode and a second alternating current contactor; one end of the silicon controlled rectifier SCR2 is connected with one end of the second anti-parallel fast power diode, and the second alternating current contactor