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

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...

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Bibliographic Details
Main Authors: Xie Ting, Guang-fu Tang, Kun-peng Zha, Chong Gao
Format: Conference Proceeding
Language:English
Subjects:
Circuit faults
Fault currents
HVDC thyristor valve
HVDC transmission
operational tests
Stress
synthetic test circuit
Thyristors
Valves
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Summary: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.
DOI:10.1109/iCECE.2010.775