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Standards IEC - International electro-technical commission - Page 149
IEC – The company IEC is world-leading organization, which creates and issues International standards for all electrical, electronic and other related technologies known generally as electro-technologies. Wherever, there is electricity and electronics you can find the company IEC, which promotes the safety and performance, the environment, electrical energy efficiency and renewable energy. The company IEC also administers conformity assessment systems, which certify that the equipment, systems or components comply with International Standards of this company.
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IEC 60255-187-1-ed.1.0
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Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers
(Relais de mesure et dispositifs de protection - Partie 187-1: Exigences fonctionnelles pour la protection differentielle - Protection differentielle avec et sans caracteristique de retenue des moteurs, generateurs et transformateurs)
Standard published on 28.7.2021
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IEC 60255-187-1-ed.1.0/Cor.1
Correction
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Corrigendum 1 - Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers
(Corrigendum 1 - Relais de mesure et dispositifs de protection - Partie 187-1: Exigences fonctionnelles pour la protection differentielle - Protection differentielle avec et sans caracteristique de retenue des moteurs, generateurs et transformateurs)
Correction published on 21.4.2023
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IEC 60255-21-1-ed.1.0
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Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal)
(Relais electriques - Vingt et unieme partie: Essais de vibrations, de chocs, de secousses et de tenue aux seismes applicables aux relais de mesure et aux dispositifs de protection - Section un: Essais de vibrations (sinusoidales))
Standard published on 30.9.1988
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IEC 60255-21-2-ed.1.0
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Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section Two: Shock and bump tests
(Relais electriques - Vingt et unieme partie: Essais de vibrations, de chocs, de secousses et de tenue aux seismes applicables aux relais de mesure et aux dispositifs de protection - Section deux: Essais de chocs et de secousses)
Standard published on 31.10.1988
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IEC 60255-21-3-ed.1.0
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Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic tests
(Relais electriques - Partie 21: Essais de vibrations, de chocs, de secousses et de tenue aux seismes applicables aux relais de mesure et aux dispositifs de protection - Section 3: Essais de tenue aux seismes)
Standard published on 21.9.1993
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IEC 60255-24-ed.2.0
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Measuring relays and protection equipment - Part 24: Common format for transient data exchange (COMTRADE) for power systems
(Relais de mesure et dispositifs de protection - Partie 24: Format commun pour l´echange de donnees transitoires (COMTRADE) dans les reseaux electriques)
Standard published on 30.4.2013
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IEC 60255-26-ed.4.0
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Measuring relays and protection equipment - Part 26: Electromagnetic compatibility requirements
(Relais de mesure et dispositifs de protection - Partie 26: Exigences de compatibilite electromagnetique)
Standard published on 24.1.2023
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IEC 60255-27-ed.3.0
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Measuring relays and protection equipment - Part 27: Product safety requirements
(Relais de mesure et dispositifs de protection - Partie 27: Exigences de securite des produits)
Standard published on 7.2.2023
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IEC 60255-27-ed.3.0-CMV
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Measuring relays and protection equipment - Part 27: Product safety requirements
Standard published on 7.2.2023
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IEC 60258-ed.1.0
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Direct acting recording electrical measuring instruments and their accessories
(Appareils de mesure electriques enregistreurs a action directe et leurs accessoires)
Standard published on 1.1.1968
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