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A New Operational Tests Circuit for Testing ±660kV UHVDC Thyristor Valves

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4 Author(s)
Xie Ting ; Dept. of Electr. Eng., Tsinghua Univ., Beijing, China ; Guang-fu Tang ; Kun-peng Zha ; Chong Gao

Operational test is an important measure which can guarantee safe and stable operation of UHVDC thyristor valves. HVDC thyristor modules can be performed either in a six-pulse back-to-back test circuit or in a synthetic test circuit. UHVDC thyristor valves have a high power rating and are difficult to test in a back-to-back test circuit. A synthetic test circuit can reach a high capacity with few installed capacity. This paper introduces a new synthetic circuit which can present the practical stress of ultrahigh voltage direct current (UHVDC) thyristor valves. Effective tests verify the circuit was successful.

Published in:

Electrical and Control Engineering (ICECE), 2010 International Conference on

Date of Conference:

25-27 June 2010