Cover DIN EN IEC 60255-187-1 VDE 0435-3187-1 Berichtigung 1:2023-10
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DIN EN IEC 60255-187-1 VDE 0435-3187-1 Berichtigung 1:2023-10

Measuring relays and protection equipment

Part 187-1: Functional requirements for differential protection – Restrained and unrestrained differential protection of motors, generators and transformers

(IEC 60255-187-1:2021/COR1:2023); German version EN IEC 60255-187-1:2021/AC:2023-04
Class/Status: Standard, valid
Released: 2023-10
VDE Art. No.: 0400623

Corrigendum 1 to IEC 60255-187-1:2021-07 makes corrections to Tables 18, 20, 43 and 51 - Mains model with two-sided injection, various sections on differential protection (6.4.4.2 to 6.4.4.4, 6.4.5.2, 6.4.7.2), section 6.8.3.1 General, Figure A.7 - One-sided fault on the delta side and section E.3.3 Dimensioning of CT2.