Switch Gear Course

Target Audience:

This program is targeting :

• Industrial, Commercial, Institutional
• Electrical Engineers Electrical Maintenance Tradespeople & Technicians
• Instrumentation And Control Engineers

Language: English/Arabic 

Switch Gear Course Content:

1: INTRODUCTION TO SWITCHGEAR AND TRANSFORMERS

• Fundamentals of circuit breakers
• Types of breakers
• Single line diagrams
• Active and passive network modules
• Voltage convention
• Fuse switches
• Primary & back-up relaying
• Fault calculation
• System earthing
• Fuses as alternatives to circuit breakers
• Auto-reclosers and auto-reclose operation

 2: APPLICATION OF SWITCHGEAR

• The history of switchgear
• Principles of current interruption
• Plain break circuit breakers
• Bulk and small oil volume circuit breakers
• Operating mechanisms
• Transfer earth circuit breakers
• Fixed and withdraw-able designs
• Switchgear guidelines
• Factors affecting switchgear selection

 3: SPECIFICATION OF SWITCHGEAR

• Easy and complex protection systems
• Switchgear ancillaries, measurement CTs, VTs and relays
• Substation and switch room layouts and design
• Substation compound
• Metal-clad switchgear maintenance
• Symmetrical and asymmetrical breaking
• Make and break operations
• Cable terminations
• Indoor and outdoor operation
• Interpretation of test oscillograms

4: SAFETY POLICIES

• Overall safety measures and the importance of personal protective equipment (PPE)
• Values of safety rules
• Principles of personal authorization
• Live training for the safe operation of switchgear
• Isolation in a circuit breaker context
• Safety documentation
• Operative and safety locking and danger notices
• Work safety in a substation environment
• Safety interlocks
• Substation alarms
• Individual study tasks and presentation

5: OPERATING OF CONTEMPORARY SWITCHGEAR

• Principles of time and condition-based asset management
• Asset registers
• Asset management systems
• Case studies (ABB, Siemens, Schneider)

6: DIAGNOSTICS, TESTING AND MAINTENANCE

• Switchgear inspection methodologies
• Partial discharge measurement and survey
• Timing tests
• Mechanisms of deterioration
• Circuit breaker diagnostic techniques
• Principles of circuit breaker maintenance
• Maintaining oil circuit breakers
• Case study (circuit breaker settings, selectivity, sensitivity, speed)
• Contact maintenance and contact wipe
• Oil testing
• Maintaining vacuum circuit breakers
• Batteries – condition and monitoring
• Switchgear defects and defect control systems

7: FUNCTIONS AND CLASSIFICATION OF TRANSFORMERS

• Construction (shell type and core type)
• Insulation, windings, cooling systems, voltage levels, sizing and breathing
• Transformer parts
• Set up and control high voltage power transformers safely
• Earthing of HV transformers

8: TRANSFORMER THEORY

• Electricalvalues and their role in a power transformer
• Thermal functioning, loading, paralleling, connections and vectors

9: POWER TRANSFORMER PROTECTION

• Surge protection
• Protective relaying
• Thermal tools and manoeuvres
• Design and specifications of auto, generator, unit and station transformers

10: OIL QUALITY

• Oil contents: water, acidity and dissolved gas
• Oil tests: breakdown, humidity, resistivity, interfacial tension, gravity and power factor
• Recovery voltage measurement test

11: POWER TRANSFORMER ELECTRICAL TESTS

• AC Tests (power factor, single-phase excitation current, transformer turns ratio)
• DC Tests (insulation resistance, dielectric absorption, polarization index, step voltage, hi-pot)

if you would like to get more information please register . .