EN 60700-1:2015/AC:2017-02

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 List of type tests
6 Dielectric tests on valve support
7 Dielectric tests for multiple valve units (MVU)
8 Dielectric tests between valve terminals
9 Periodic firing and extinction tests
10 Tests with transient forward voltage during the
   recovery period
11 Valve fault current tests
12 Tests for valve insensitivity to electromagnetic
   disturbance
13 Testing of special features and fault tolerance
14 Production tests
15 Method for loss determination
16 Presentation of type test results
Annex A (normative) - Test safety factors
Annex B (normative) - Partial discharge measurements
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Pertains to thyristor valves with metal oxide surge arresters directly connected between the valve terminals, for use in a line commutated converter for high voltage d.c. power transmission or as part of a back-to-back link.