IEC 60700-1 CORR 1-2017 Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1 Electrical testing Corrigendum 1《高压直流(HVDC)输电用晶闸管阀 第1部分 电气测试 勘误表1》.pdf

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1、IEC 60700-1:2015/COR1:2017 1 IEC 2017 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION LECTROTECHNIQUE INTERNATIONALE _ IEC 60700-1 Edition 2.0 2015-07 THYRISTOR VALVES FOR HIGH VOLTAGE DIRECT CURRENT (HVDC) POWER TRANSMISSION Part 1: Electrical testing IEC 60700-1 dition 2.0 2015-07 VALVES THYR

2、ISTORS POUR LE TRANSPORT DNERGIE EN COURANT CONTINU HAUTE TENSION (CCHT) Partie 1: Essais lectriques CORRIGENDUM 1 7.3.3 MVU switching impulse test Replace the existing note by the following new paragraph: Subject to agreement between the purchaser and supplier, the MVU switching impulse test need n

3、ot be performed, if it can be shown by other means that: a) the external air clearances to other valves and to earth are adequate for the switching impulse voltage withstand level required, and b) the switching impulse withstand between any two terminals of the MVU is adequately demonstrated by othe

4、r tests. 7.3.3 Essai dUVM sous tension de choc de manuvre Remplacer la note existante par le nouvel alina suivant: Il nest pas ncessaire de raliser lessai de lUVM sous tension de choc de manuvre, sous rserve daccord entre lacheteur et le fournisseur, si lon peut mettre en vidence par dautres moyens

5、que: a) les distances disolement externes dans lair par rapport dautres valves et par rapport la terre sont adaptes pour le niveau de rsistance la tension de choc de manuvre prescrite, et b) la rsistance aux surtensions de manuvre entre deux bornes quelconques de lUVM est correctement dmontre par da

6、utres essais. IEC 60700-1:2015-07/COR1:2017-01(en-fr) 2 IEC 60700-1:2015/COR1:2017 IEC 2017 7.3.4 MVU lightning impulse test Replace the existing Note 1 by the following new paragraph: Subject to agreement between the purchaser and supplier, the MVU lightning impulse test need not be performed if it

7、 can be shown by other means that: a) the external air clearances to other valves and to earth are adequate for the lightning impulse voltage withstand level required, and b) the lightning impulse withstand voltage between any two terminals of the MVU is adequately demonstrated by other tests. Repla

8、ce the words “NOTE 2“ by “NOTE“. 7.3.4 Essai dUVM sous tension de choc de foudre Remplacer la Note 1 existante par le nouvel alina suivant: Il nest pas ncessaire de raliser lessai de lUVM sous tension de choc de foudre, sous rserve daccord entre lacheteur et le fournisseur, si lon peut mettre en vid

9、ence par dautres moyens que: a) les distances disolement externes dans lair par rapport dautres valves et par rapport la terre sont adaptes pour le niveau de rsistance la tension de choc de foudre prescrite, et b) la rsistance aux tensions de choc de foudre entre deux bornes quelconques de lUVM est correctement dmontre par dautres essais. Remplacer les mots “NOTE 2“ par “NOTE“.

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