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A New Operational Tests Circuit for Testing ±660kV UHVDC Thyristor Valves
2010 Edition, June 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

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...

Operational tests on thyristor valves for Ningdong-Shandong ±660kV UHVDC project
2010 Edition, October 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

For purchasing more efficiency, more power transmission capacity, UHVDC projects are employed in the gird of China. Thyristor valves, as one of the key equipments, must pass the operational tests in order to make sure the valve design is proper. In...

A new synthetic test circuit for the operational tests of HVDC thyristor modules
2001 Edition, Volume 2, January 1, 2001 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Modern power thyristor valves have a high power rating and are difficult to test in a back-to-back test circuit in the test laboratory. Verification of thyristor valve design with synthetic test circuits is an...

Development testing of ±800kV HVDC thyristor valves
2009 Edition, September 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper describes the development work leading to the design and testing work of a new corona shield for AREVA's 800 kV Ultra High Voltage Direct Current (UHVDC) thyristor valve. The design of the corona shields required an extensive electrostatic...

Study on MVU Tests Method of ±1100 kV Thyristor Valves for HVDC Power Transmission
2018 Edition, September 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The multiple valve units (MVU) consist of four valve units connected in series. MVU tests based on quadruple valve have some problems, such as large size test circuit, high test cost and so on. In order to solve these problems, MVU tests based...

Design and testing of thyristor valves of TCSC for Kanpur-Ballabhgarh 400kV line
2008 Edition, April 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper describes the design and type testing aspects of thyristor valves of thyristor controlled series capacitor (TCSC) scheme for Kanpur-Ballabhgarh 400 kV line. The single circuit AC line from Kanpur to Ballabhgarh in northern part of India is 400 km...

Upgrade test capability for ±800kV/6250A and ±1100kV/5454A UHVDC valve
2014 Edition, October 1, 2014 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The paper mainly described the upgrade study of UHVDC converter valve type test capability, which will meet all the test requirements of ± 800kV/6250A and ±1100kV/5454A thyristor valves. By optimizing and upgrading rectifier transformer and water-cooled...

Converter valve design and valve testing for Xiangjiaba - Shanghai ±800kV 6400MW UHVDC power transmission project
2010 Edition, October 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Thyristor valve design merits are inherited and new developed high power rating thyristors are used in the valve design. The thyristor control unit (TCU) and snubber circuit are optimized for a high reliability and low loss of...

Equivalency of synthetic test circuit used for operational tests of thyristor valves for HVDC
2011 Edition, October 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

With the growth of capacity of high voltage direct current (HVDC) transmission lines, the ratings of thyristor valves, which are one of the most critical equipments, are getting higher and higher. Verification of performance of thyristor valves particularly designed...

Synthetic test circuits for the operational tests of TCR and TSC Thyristor valves
2008 Edition, April 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Synthetic test circuits are developed for the operational test of Thyristor Controlled Reactor (TCR) valve and Thyristor Switched Capacitor (TSC) valve. The synthetic test current circuits are independent controllable in...

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