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Breaker Maintenance for Engineers 

BME

Breaker Maintenance for Engineers

For Whom :
Engineers maintaining ACB`s
Advanced programme on ACB maintenance for those who have attended LVSM programme

Duration : 4 Days

PROGRAMME CONTENTS :

  • Air circuit Breakers – role, types, classification
  • ACB selection Fault level calculations
            Selection of ACB for various applications, finalizing specifications
            Selection of protective release, setting for mininmum and maximum fault current, testing
  • Typical control scheme of ACB, interlocking, zone selectivity.
  • Retrofitting of ACB`s and their releases.
  • Study of ACB mechanism ,parts and their function.
  • Preventive maintenance of ACB
  • Setting of protective devices ,wiring and interlocking, mechanical and electrical antipumping.
  • Cleaning and replacement of spares, arc chutes and arcing contacts.
  • Overhauling of manually operated ACB`s upto 2500 A
  • Dismantling; cleaning; lubrication and reassembly of CT, Jaw contacts, pole assembly, and auxiliary contacts.
  • Fitting, setting and testing of protection release
  • Fitting, setting and testing of accessories- undervoltage, earthfault, microswitches.


    Workshop Sessions:

    All topics covered in workshop only with ACB in hand.

    Methodology:

    Intensive, structured hands on workshop sessions supported by Demonstrations, videos, and product clinics.

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    Larsen & Toubro - Electrical Business Group