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Standard ČSN EN IEC 60255-187-1 1.5.2022 preview

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ČSN EN IEC 60255-187-1 (353510)

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

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STANDARD published on 1.5.2022


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The information about the standard:

Designation standards: ČSN EN IEC 60255-187-1
Classification mark: 353510
Catalog number: 514689
Publication date standards: 1.5.2022
SKU: NS-1055436
The number of pages: 186
Approximate weight : 589 g (1.30 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Relays

Annotation of standard text ČSN EN IEC 60255-187-1 (353510):

Norma specifikuje požadavky pro hodnocení funkce a výkonu rozdílové ochrany AC motorů, generátorů a transformátorů. Obsahuje specifikaci funkce ochrany, měřicí charakteristiky, kompenzaci napájecích veličin, doplňkové omezovací nebo blokovací metody. Pokrývá neomezované funkce rozdílové ochrany, tradičně kombinované s omezovaným rozdílovým prvkem pro vytvoření jediného rozdílového relé. Norma také obsahuje požadavky na transformátor proudu pro ochranné funkce

These corrections apply to this standard:

Preview ČSN EN IEC 60255-187-1:2022/Oprava1 1.10.2023
ČSN EN IEC 60255-187-1:2022/Oprava1 (353510) Correction

Měřicí relé a ochranná zařízení - Část 187-1: Funkční požadavky na rozdílovou ochranu - Omezovaná a neomezovaná rozdílová ochrana motorů, generátorů a transformátorů.

Correction published on 1.10.2023

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