Converter valve thyristor unit voltage sharing test device

• Main Authors: ZHANG XUECHENG, CAI LICUN, HU LIANG, LI JUAN, ZHAO YAN, HU YONGXIONG, CHANG ZHONGTING
• Format: Patent
• Language: English
• Published: 21.01.2015
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model relates to a converter valve thyristor unit voltage sharing test device and belongs to the technical field of direct current power transmission. The voltage sharing test device of the utility model comprises a voltage adjusting unit, a voltage transformation unit and a voltage measurement unit, wherein an input end of the voltage adjusting unit is used for connecting with a single-phase power frequency power source, an output end is connected with an input end of the voltage transformation unit, an output end of the voltage transformation unit is used for connecting with thyristor units to be tested, test voltages are supplied to the thyristor units to be tested, and the voltage measurement unit is connected in an output return circuit of the voltage transformation unit and is used for testing a total voltage output by the voltage transformation unit to the thyristor units to be tested and respective voltages output by the voltage transformation unit to all the thyristor units to be tested. The voltage sharing test device provides an effective means for a direct current power transmission converter station for directly detecting voltage sharing performance of the converter valve thyristor units, favorable guarantee is provided for long-term stable and reliable operation of the direct current power transmission converter valve thyristor units, and condition is provided for attaining maximize benefits of the converter station.