Safe Operations & Maintenance of Circuit Breakers and Switchgears
Safe Operations & Maintenance of Circuit Breakers and Switchgears
Yogyakarta | 02-05 April 2012 | IDR 7.000,000.00 per participant
Yogyakarta | 16-19 July 2012 | IDR 7.000,000.00 per participant
Yogyakarta | 17-20 December 2012 | IDR 7.000,000.00 per participant
DESCRIPTION
Circuit breakers, fused switches and switchgear in the form of motor Control Centres (MCC) are necessary system items for the electrical control of electrical plant. The safe use of these devices and associated equipment requires correct initial selection, operation and maintenance. It is also necessary to have a detailed understanding of how these devices should be installed, the local substation and system ratings, and how the various breakers operate, in order to enable accurate troubleshooting and subsequent repair. Safe Operation & Maintenance of Circuit Breakers and Switchgear will equip participants with new or refreshed skills to ensure that circuit breakers and switchgear are installed, operated safely and maintained in a fashion that ensures safe and stable operation. Also they will be able to identified faults and ensure the underlying causes are identified to reduce possible further failures
OBJECTIVE
- Understanding of the operational characteristics of circuit breakers and switchgear.
- Understanding of troubleshooting procedures, as applied to circuit breakers and associated switchgear.
- Improved capability in the use of test equipment.
- Better understanding of failure modes and failure analysis as applied to fuses, circuit breakers and switchgear. In relation to air break, vacuum and SF6 devices.
- Refreshed awareness of electrical safety concerns within substations and control centres.
- Ability to determine fault levels in substations.
WHO SHOULD ATTEND
- Electrical Engineers
- Electrical Supervisors and
- Senior Electrical Technicians engaged in the operation, maintenance and troubleshooting, of circuit breakers, interruptive devices and switchgear control centres.
SUMMARY OUTLINE
Day One
The Technology of Circuit Breakers and Switchgear
- Typical substation arrangements and MCC’s
- Definitions and terminology
- Fault level calculations
- Motor and generator fault contributions
- Low voltage equipment
- Medium voltage equipment
- High voltage equipment
- Name plate ratings – interpretation
- CT’s and VT’s
- Basic protection requirements
- Case studies
Day Two
Operation of various types of interrupting equipment
- Fuses – motor starting types
- Fused switches
- Moulded case type breakers
- Air break switches
- Vacuum contactors – fused
- Vacuum circuit breakers
- SF6 puffer, rotating arc devices
- Special insulating requirements for 36kV
- Solid and gaseous insulation – problems!
Day Three
The Operation and Maintenance of Circuit Breakers and Switchgear
The Use of Test Equipment
- Digital voltmeter (DVM)
- Oscilloscopes
- Megger
- Frequency meter
- Temperature probes/ IR pyrometers
- Ammeters
- Power meters
- Load banks
- Cable fault locators
Special techniques
- NEC check lists to ensure the correct installation
- Troubleshooting of Electrical Equipment
- Methods
- Terminology
- Principles
- Special techniques
- Case studies/ examples
- Single line drawings
- Group exercises and case studies
Day Four
The Operation and Maintenance of Circuit Breakers and Switchgear
The Use of Test Equipment
- Digital voltmeter (DVM)
- Oscilloscopes
- Megger
- Frequency meter
- Temperature probes/ IR pyrometers
- Ammeters
- Power meters
- Load banks
- Cable fault locators
Special techniques
- NEC check lists to ensure the correct installation
- Troubleshooting of Electrical Equipment
- Methods
- Terminology
- Principles
- Special techniques
- Case studies/ examples
- Single line drawings
- Group exercises and case studies
Day Four
The Interpretation and use of Drawings
- Single-line electrical drawings
- Control schematics
- Basic generic wiring lists
- Name plate information
- Logic and standard symbols.
- Step and touch potential?
The Development of a Job Plan
- Identification of the troubleshooting step-by-step sequence
- Procedure preparation
- Documentation
- Follow-up
- Safety considerations and training
- Case studies
The Identification and Repair of Problems/ Failures
- Common mode failures
- Phase imbalance – lost phase
- Phase sequence checkout
- Contact pitting/arcing – why?
- Load and fault rating
- Electronic component failure
- Fusing
- Switches
- Control circuits
- Ground faults – cable and busbar faults
- Case studies
- A review of Safety Requirements
- Area classifications
- NEC electrical codes
- Safety information
COURSE SPEAKER
Teguh Santoso, Ir
Teguh Santoso experienced more than 26 years in Electrical.
COURSE METHODE
- Presentation
- Discuss
- Case Study
- Evaluation
- Simulation
TIME & VENUE
- Yogyakarta,
- 02-05 April 2012
- 16-19 July 2012
- 17-20 December 2012
- 4 days – 08 am – 04 pm
COURSE FEE
IDR 7.000,000.00 per participant non residential
FACILITY
- Module / Handout
- ,Certificate
- ,Souvenir
- ,Training Kit
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