/  Circuit Breakers and Switchgears Inspection, Maintenance, Design, Repair and Troubleshooting Training

Circuit Breakers and Switchgears Inspection, Maintenance, Design, Repair and Troubleshooting Training

BMC Training provides a training course in Circuit Breakers and Switchgears Inspection, Maintenance, Design, Repair and Troubleshooting in Electrical and Power Engineering Training

Course Title
Venue
Start Date
End Date
  • London
    27 - 1 - 2019
    31 - 1 - 2019
  • Madrid
    27 - 1 - 2019
    31 - 1 - 2019
  • Munich
    27 - 1 - 2019
    31 - 1 - 2019
  • Berlin
    27 - 1 - 2019
    31 - 1 - 2019
  • Dubai
    20 - 1 - 2019
    24 - 1 - 2019
  • Paris
    20 - 1 - 2019
    24 - 1 - 2019
  • Hong Kong
    20 - 1 - 2019
    24 - 1 - 2019
  • Kuala Lumpur
    13 - 1 - 2019
    17 - 1 - 2019
  • Rome
    13 - 1 - 2019
    17 - 1 - 2019
  • Barcelona
    13 - 1 - 2019
    17 - 1 - 2019
  • Zurich
    13 - 1 - 2019
    17 - 1 - 2019
  • Istanbul
    6 - 1 - 2019
    10 - 1 - 2019
  • Bali
    6 - 1 - 2019
    10 - 1 - 2019
  • Singapore
    6 - 1 - 2019
    10 - 1 - 2019
  • Istanbul
    24 - 2 - 2019
    28 - 2 - 2019
  • Bali
    24 - 2 - 2019
    28 - 2 - 2019
  • Singapore
    24 - 2 - 2019
    28 - 2 - 2019
  • Kuala Lumpur
    17 - 2 - 2019
    21 - 2 - 2019
  • Rome
    17 - 2 - 2019
    21 - 2 - 2019
  • Barcelona
    17 - 2 - 2019
    21 - 2 - 2019
  • Zurich
    17 - 2 - 2019
    21 - 2 - 2019
  • Dubai
    10 - 2 - 2019
    14 - 2 - 2019
  • Paris
    10 - 2 - 2019
    14 - 2 - 2019
  • Hong Kong
    10 - 2 - 2019
    14 - 2 - 2019
  • London
    3 - 2 - 2019
    7 - 2 - 2019
  • Madrid
    3 - 2 - 2019
    7 - 2 - 2019
  • Munich
    3 - 2 - 2019
    7 - 2 - 2019
  • Berlin
    3 - 2 - 2019
    7 - 2 - 2019
  • London
    17 - 3 - 2019
    21 - 3 - 2019
  • Madrid
    17 - 3 - 2019
    21 - 3 - 2019
  • Munich
    17 - 3 - 2019
    21 - 3 - 2019
  • Berlin
    17 - 3 - 2019
    21 - 3 - 2019
  • Dubai
    10 - 3 - 2019
    14 - 3 - 2019
  • Paris
    10 - 3 - 2019
    14 - 3 - 2019
  • Hong Kong
    10 - 3 - 2019
    14 - 3 - 2019
  • Kuala Lumpur
    3 - 3 - 2019
    7 - 3 - 2019
  • Rome
    3 - 3 - 2019
    7 - 3 - 2019
  • Barcelona
    3 - 3 - 2019
    7 - 3 - 2019
  • Zurich
    3 - 3 - 2019
    7 - 3 - 2019
  • Istanbul
    24 - 3 - 2019
    28 - 3 - 2019
  • Bali
    24 - 3 - 2019
    28 - 3 - 2019
  • Singapore
    24 - 3 - 2019
    28 - 3 - 2019
  • Istanbul
    28 - 4 - 2019
    2 - 5 - 2019
  • Bali
    28 - 4 - 2019
    2 - 5 - 2019
  • Singapore
    28 - 4 - 2019
    2 - 5 - 2019
  • Kuala Lumpur
    7 - 4 - 2019
    11 - 4 - 2019
  • Rome
    7 - 4 - 2019
    11 - 4 - 2019
  • Barcelona
    7 - 4 - 2019
    11 - 4 - 2019
  • Zurich
    7 - 4 - 2019
    11 - 4 - 2019
  • Dubai
    14 - 4 - 2019
    18 - 4 - 2019
  • Paris
    14 - 4 - 2019
    18 - 4 - 2019
  • Hong Kong
    14 - 4 - 2019
    18 - 4 - 2019
  • London
    21 - 4 - 2019
    25 - 4 - 2019
  • Madrid
    21 - 4 - 2019
    25 - 4 - 2019
  • Munich
    21 - 4 - 2019
    25 - 4 - 2019
  • Berlin
    21 - 4 - 2019
    25 - 4 - 2019
  • London
    12 - 5 - 2019
    16 - 5 - 2019
  • Madrid
    12 - 5 - 2019
    16 - 5 - 2019
  • Munich
    12 - 5 - 2019
    16 - 5 - 2019
  • Berlin
    12 - 5 - 2019
    16 - 5 - 2019
  • Dubai
    5 - 5 - 2019
    9 - 5 - 2019
  • Paris
    5 - 5 - 2019
    9 - 5 - 2019
  • Hong Kong
    5 - 5 - 2019
    9 - 5 - 2019
  • Kuala Lumpur
    19 - 5 - 2019
    23 - 5 - 2019
  • Rome
    19 - 5 - 2019
    23 - 5 - 2019
  • Barcelona
    19 - 5 - 2019
    23 - 5 - 2019
  • Zurich
    19 - 5 - 2019
    23 - 5 - 2019
  • Istanbul
    26 - 5 - 2019
    30 - 5 - 2019
  • Bali
    26 - 5 - 2019
    30 - 5 - 2019
  • Singapore
    26 - 5 - 2019
    30 - 5 - 2019
  • Istanbul
    9 - 6 - 2019
    13 - 6 - 2019
  • Bali
    9 - 6 - 2019
    13 - 6 - 2019
  • Singapore
    9 - 6 - 2019
    13 - 6 - 2019
  • Kuala Lumpur
    16 - 6 - 2019
    20 - 6 - 2019
  • Rome
    16 - 6 - 2019
    20 - 6 - 2019
  • Barcelona
    16 - 6 - 2019
    20 - 6 - 2019
  • Zurich
    16 - 6 - 2019
    20 - 6 - 2019
  • Dubai
    23 - 6 - 2019
    27 - 6 - 2019
  • Paris
    23 - 6 - 2019
    27 - 6 - 2019
  • Hong Kong
    23 - 6 - 2019
    27 - 6 - 2019
  • London
    2 - 6 - 2019
    6 - 6 - 2019
  • Madrid
    2 - 6 - 2019
    6 - 6 - 2019
  • Munich
    2 - 6 - 2019
    6 - 6 - 2019
  • Berlin
    2 - 6 - 2019
    6 - 6 - 2019
  • London
    7 - 7 - 2019
    11 - 7 - 2019
  • Madrid
    7 - 7 - 2019
    11 - 7 - 2019
  • Munich
    7 - 7 - 2019
    11 - 7 - 2019
  • Berlin
    7 - 7 - 2019
    11 - 7 - 2019
  • Dubai
    14 - 7 - 2019
    18 - 7 - 2019
  • Paris
    14 - 7 - 2019
    18 - 7 - 2019
  • Hong Kong
    14 - 7 - 2019
    18 - 7 - 2019
  • Kuala Lumpur
    21 - 7 - 2019
    25 - 7 - 2019
  • Rome
    21 - 7 - 2019
    25 - 7 - 2019
  • Barcelona
    21 - 7 - 2019
    25 - 7 - 2019
  • Zurich
    21 - 7 - 2019
    25 - 7 - 2019
  • Istanbul
    28 - 7 - 2019
    1 - 8 - 2019
  • Bali
    28 - 7 - 2019
    1 - 8 - 2019
  • Singapore
    28 - 7 - 2019
    1 - 8 - 2019
  • Istanbul
    4 - 8 - 2019
    8 - 8 - 2019
  • Bali
    4 - 8 - 2019
    8 - 8 - 2019
  • Singapore
    4 - 8 - 2019
    8 - 8 - 2019
  • Kuala Lumpur
    11 - 8 - 2019
    15 - 8 - 2019
  • Rome
    11 - 8 - 2019
    15 - 8 - 2019
  • Barcelona
    11 - 8 - 2019
    15 - 8 - 2019
  • Zurich
    11 - 8 - 2019
    15 - 8 - 2019
  • Dubai
    18 - 8 - 2019
    22 - 8 - 2019
  • Paris
    18 - 8 - 2019
    22 - 8 - 2019
  • Hong Kong
    18 - 8 - 2019
    22 - 8 - 2019
  • London
    25 - 8 - 2019
    29 - 8 - 2019
  • Madrid
    25 - 8 - 2019
    29 - 8 - 2019
  • Munich
    25 - 8 - 2019
    29 - 8 - 2019
  • Berlin
    25 - 8 - 2019
    29 - 8 - 2019
  • London
    22 - 9 - 2019
    26 - 9 - 2019
  • Madrid
    22 - 9 - 2019
    26 - 9 - 2019
  • Munich
    22 - 9 - 2019
    26 - 9 - 2019
  • Berlin
    22 - 9 - 2019
    26 - 9 - 2019
  • Dubai
    1 - 9 - 2019
    5 - 9 - 2019
  • Paris
    1 - 9 - 2019
    5 - 9 - 2019
  • Hong Kong
    1 - 9 - 2019
    5 - 9 - 2019
  • Kuala Lumpur
    8 - 9 - 2019
    12 - 9 - 2019
  • Rome
    8 - 9 - 2019
    12 - 9 - 2019
  • Barcelona
    8 - 9 - 2019
    12 - 9 - 2019
  • Zurich
    8 - 9 - 2019
    12 - 9 - 2019
  • Istanbul
    15 - 9 - 2019
    19 - 9 - 2019
  • Bali
    15 - 9 - 2019
    19 - 9 - 2019
  • Singapore
    15 - 9 - 2019
    19 - 9 - 2019
  • Istanbul
    20 - 10 - 2019
    24 - 10 - 2019
  • Bali
    20 - 10 - 2019
    24 - 10 - 2019
  • Singapore
    20 - 10 - 2019
    24 - 10 - 2019
  • Kuala Lumpur
    27 - 10 - 2019
    31 - 10 - 2019
  • Rome
    27 - 10 - 2019
    31 - 10 - 2019
  • Barcelona
    27 - 10 - 2019
    31 - 10 - 2019
  • Zurich
    27 - 10 - 2019
    31 - 10 - 2019
  • Dubai
    6 - 10 - 2019
    10 - 10 - 2019
  • Paris
    6 - 10 - 2019
    10 - 10 - 2019
  • Hong Kong
    6 - 10 - 2019
    10 - 10 - 2019
  • London
    13 - 10 - 2019
    17 - 10 - 2019
  • Madrid
    13 - 10 - 2019
    17 - 10 - 2019
  • Munich
    13 - 10 - 2019
    17 - 10 - 2019
  • Berlin
    13 - 10 - 2019
    17 - 10 - 2019
  • London
    17 - 11 - 2019
    21 - 11 - 2019
  • Madrid
    17 - 11 - 2019
    21 - 11 - 2019
  • Munich
    17 - 11 - 2019
    21 - 11 - 2019
  • Berlin
    17 - 11 - 2019
    21 - 11 - 2019
  • Dubai
    24 - 11 - 2019
    28 - 11 - 2019
  • Paris
    24 - 11 - 2019
    28 - 11 - 2019
  • Hong Kong
    24 - 11 - 2019
    28 - 11 - 2019
  • Kuala Lumpur
    3 - 11 - 2019
    7 - 11 - 2019
  • Rome
    3 - 11 - 2019
    7 - 11 - 2019
  • Barcelona
    3 - 11 - 2019
    7 - 11 - 2019
  • Zurich
    3 - 11 - 2019
    7 - 11 - 2019
  • Istanbul
    10 - 11 - 2019
    14 - 11 - 2019
  • Bali
    10 - 11 - 2019
    14 - 11 - 2019
  • Singapore
    10 - 11 - 2019
    14 - 11 - 2019
  • Istanbul
    15 - 12 - 2019
    19 - 12 - 2019
  • Bali
    15 - 12 - 2019
    19 - 12 - 2019
  • Singapore
    15 - 12 - 2019
    19 - 12 - 2019
  • Kuala Lumpur
    22 - 12 - 2019
    26 - 12 - 2019
  • Rome
    22 - 12 - 2019
    26 - 12 - 2019
  • Barcelona
    22 - 12 - 2019
    26 - 12 - 2019
  • Zurich
    22 - 12 - 2019
    26 - 12 - 2019
  • Dubai
    1 - 12 - 2019
    5 - 12 - 2019
  • Paris
    1 - 12 - 2019
    5 - 12 - 2019
  • Hong Kong
    1 - 12 - 2019
    5 - 12 - 2019
  • London
    8 - 12 - 2019
    12 - 12 - 2019
  • Madrid
    8 - 12 - 2019
    12 - 12 - 2019
  • Munich
    8 - 12 - 2019
    12 - 12 - 2019
  • Berlin
    8 - 12 - 2019
    12 - 12 - 2019

Course Description

This program is designed to update participants with the latest development of Circuit Breakers and to present some of the more common and updated aspects of low, medium and high voltage switchgear maintenance. It must be understood that there is an incredible variety of equipment used on low, medium and high voltage switchgear today.

Switchgears play an important role in the distribution and control of electrical power in manufacturing or power plant and in a utility distribution system. Negligent maintenance practices can lead to power system inefficiency and loss of system reliability.

Course Objectives

This course is designed to enable participants to:

  • List the voltage convention classifications used in this course.
  • Describe switchgear construction.
  • Describe a ground fault relay system.
  • Describe the three basic types of low and medium voltage circuit breaker contacts.
  • Describe the molded case circuit breaker.

Course Outlines

General Introduction

  • Electrical engineering basic concepts
  • Three phase review and per unit
  • Voltage levels
  • One line and three line diagram
  • Generation system layout
  • Transmission system layout
  • Substation system layout
  • Distribution system layout

Industrial Switchgears

  • Fuses
  • Auto-reclosers
  • Automatic sectionalizer
  • Circuit Breakers
  • Isolator switches
  • Load switches
  • Relays
  • Current transformers
  • Voltage transformers

CB Design Specification Based on Short Circuit Current Level

  • Per unit system
  • Faults on power systems
  • Transient phenomena in power system.
  • Symmetrical component analysis of three phase network
  • Network connection for various fault types
  • Current and voltage distribution in system due to a fault
  • Effect of system on zero sequence quantities
  • Computer programs based short circuit calculation.

CB Design Specification Based on Arc Phenomena and Circuit Interruption

  • Arc phenomena
  • Maintenance of the Arc
  • Properties of Arc
  • Arc Interruption theory
  • Circuit Breaker Rating
  • Circuit constants and circuit conditions
  • Conditions of severity
  • Restriking voltage transient
  • Class A ultra fast transients
  • Class B system transients
  • Class C low transients
  • Transmission line transient
  • Switching transients
  • Duties of Switchgear

LV Circuit Breakers

  • Low voltage molded case current limiting circuit breakers
  • Low voltage molded case circuit breakers with high breaking capacity
  • Insulated case circuit breakers
  • Low voltage air circuit breakers
  • Low voltage circuit breakers specification

Modern MV and HV Vacuum CB

  • Introduction
  • Advantages of vacuum interruption
  • Vacuum contactors and interrupters
  • The vacuum medium
  • The vacuum arc
  • Vacuum arc stability
  • Vacuum break down
  • Vacuum switch construction
  • Applications of vacuum circuit breakers

Modern MV and HV SF6 CB Introduction

  • Basic Features of SF6 Breakers
  • Dielectric properties of SF6
  • Quenching properties of SF6
  • Construction of SF6 breaker
  • SF6 CB types
  • Puffer type SF6 breakers
  • Double Pressure System
  • Single Pressure Puffer-Piston System
  • Single Pressure Self Blast System
  • Improvement in SF6 Breakers for HV

Other Type of Circuit Breakers

Air Circuit Breakers

  • Method of increasing arc resistance
  • Plan break type
  • Magnetic blow out type
  • Arc splitter type
  • Application
  • Construction and operation
  • Axial air CB
  • Blast air CB

Oil Circuit Breakers

  • Arc rupture under oil
  • Advantages of oil
  • Disadvantages of oil
  • Plan break oil circuit breakers
  • Arc control circuit oil breakers
  • Minimum oil circuit breakers
  • Construction and operation

Dc Circuit Breakers

  • Construction
  • Methods of interruption
  • Application

Circuit Breaker Inspection, Maintenance and Services

  • Inspection
  • General inspection technical procedure
  • Daily inspection of circuit breakers
  • Monthly inspection of circuit breakers
  • Annual inspection of circuit breakers
  • Disassembly
  • Cleaning
  • Tightening
  • Lubrication
  • Equipments used in testing
  • Testing procedure
  • Direct testing
  • Contact resistance test.
  • Insulation resistance test
  • Test report
  • Indirect testing
  • One hour Video, HV CB Maintenance and Repair)

Circuit Breakers Control, Protection and Testing

  • Switchgears control devices and wiring
  • Switchgears protection devices and wiring
  • Testing Classification
  • Testing laboratories
  • Description of a simple testing station

CB Troubleshooting

  • Low insulation Resistance (below 2000 Mega-ohms) between a) Phase terminal and earthed frame, with breaker closed b) Phase terminals of a pole.
  • Resistance between Termi¬nals of Pole too high (above 100 microhms) (15 micro-ohm per joint) contact
  • Unequal contact Wipe and Travel in 3-pole Measured from top surface of inter¬rupter flange and the contact lip by a simple rod with a) breaker open and b) breaker closed
  • One of the pole docs not close.
  • Breaker operation too Slow During opening timing from trip command to contact separation instant too large (60 ms instead of say 40 ms)

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