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High Voltage AC Circuit breakers - IEC 62271-100
High Voltage AC Circuit breakers – IEC 62271-100 (photo credit: ABB)

Scope and Applicability

  • V > 1000 V
  • 50 and 60 Hz only (no 16 2/3 Hz)
  • 3- and 1- phase circuit breakers (no 2-phase CBs)
  • No traction breakers (IEC77)
  • No generator circuit breakers (IEEE C.37.013)

New Definitions

  • 3.1.126 NSDD
  • 3.1.237 restrike performance (restrike free CBs no longer exist)
  • 3.4.112-117 circuit breakers type E1-E2 for electrical endurance, M1-M2 for mechanical endurance and C1-C2 for capacitive switching performance
Title: HV AC Circuit breakers – IEC62271-100 // by E. Figini
Format: PDF (PPS)
Size: 0.55MB
Pages: 52
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HV AC Circuit breakers - IEC62271-100
HV AC Circuit breakers – IEC 62271-100

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2 Comments


  1. Mumba Musenge
    Mar 18, 2020

    Hello Greetings to you all. Looking for causes of burnout of VCB and OCB at line voltage of 11kv. Where can I learn more about this?


  2. Rudi
    Dec 20, 2013

    hi i would like to know of a institute that can provide us with training on HT switching and cable joints from 11KV upwards. looking for full training and must be situated in Gauteng area.

    rudi.badenhorst@dischem.co.za

    thanks

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