IEC 60700-1:2015+AMD1:2021 CSV
Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical testing
a) Definitions of terms "redundant thyristor levels", "thyristor level", "valve section" have been changed for clarification.
b) The notes were added to test requirements of dielectric d.c. voltage tests for valve support, MVU, valve, specifying that before repeating the test with opposite polarity, the tested object may be short-circuited and earthed for several hours. The same procedure may be followed at the end of the d.c. voltage test.
c) Table 1 on thyristor level faults permitted during type tests was supplemented.
d) The alternative MVU dielectric test method was added.
e) It was specified that production tests may include routine tests as well as sample tests.
f) It was added into test requirements for periodic firing and extinction tests that a scaling factor for tests shall be applied when testing with valve sections.
The contents of the corrigendum of January 2017 have been included in this copy.
|Publication type||International Standard|
|TC/SC||TC 22/SC 22F - Power electronics for electrical transmission and distribution systemsrss|
|ICS||29.200 - Rectifiers. Converters. Stabilized power supply|
|File size||2420 KB|
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