This seminar will provide the following information for all types of generators, exciters, automatic voltage regulators (AVR’s), and protective systems:

• Basic Design
• Specification
• Selection Criteria
• Sizing Calculations
• Enclosures and Sealing Arrangements
• Codes and Standards
• Common Operational Problems
• All Diagnostics, Troubleshooting, Testing, and Maintenance

Each delegate will receive a copy of the following materials written by the instructor:

1. “ELECTRICAL EQUIPMENT HANDBOOK” published by McGraw-Hill in 2003 (600 pages)
2. Practical manual (300 pages)

This seminar will provide the following information for all types of generators, exciters, automatic voltage regulators (AVR’s), and protective systems:

• Basic Design
• Specification
• Selection Criteria
• Sizing Calculations
• Enclosures and Sealing Arrangements
• Codes and Standards
• Common Operational Problems
• All Diagnostics, Troubleshooting, Testing, and Maintenance

Each delegate will receive a copy of the following materials written by the instructor:

1. “ELECTRICAL EQUIPMENT HANDBOOK” published by McGraw-Hill in 2003 (600 pages)
2. Practical manual (300 pages)

• Engineers of all disciplines
• Managers
• Technicians
• Maintenance personnel
• Other technical individuals (this seminar is suitable for individuals who do not have an electrical background)

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include;

• Lectures
• Workshop & Work Presentation
• Case Studies and Practical Exercise
• Videos and General Discussions

Module 1 – Fundamentals of Electrical Systems, Synchronous Machines, Synchronou Generators

• Inductors, capacitors, alternating current, Faraday’s law, magnetic field, three-phase system
• Machinery principles, magnetic behavior of ferromagnetic materials, energy losses in a ferromagnetic core, core losses, permanent magnets
• Rotating magnetic field, relationship between electrical frequency and the speed of magnetic field rotation, RMS voltage in a three-phase stator, induced torque in a three-phase machine, winding insulation in ac machines, ac machine power flow and losses  
• Synchronous machines, physical description, pole pitch: electrical degrees, synchronous machine windings, field excitation, rotating rectifier excitation, series excitation, no-load and short-circuit values, torque tests, speed-torque characteristic, excitation of a synchronous machine, machine losses
• Synchronous generators, construction, speed of rotation of a synchronous generator, equivalent circuit of a synchronous generator, power and torque in a synchronous generator, synchronous generator operating alone, parallel operation of ac generators, frequency-power and voltage-reactive power characteristics, synchronous generator ratings, synchronous generator capability curves, short-time operation and service factor

Module 2 – Generator Components, Auxiliaries and Excitation, Generator Main Generators

• Connections, Double-Feed Generators, Performance and Operation of
• Generator components, auxiliaries and excitation, the rotor, rotor windings, rotor end rings, wedges and dampers, sliprings, brushgear and shaft grounding, fans, rotor and threading alignment, vibration, bearings and seals,
• The stator, stator core, core frame, stator windings, end winding support, electrical connections and terminals, stator winding cooling components, hydrogen cooling components, stator casing,
• Cooling systems, hydrogen cooling, hydrogen cooling systems, shaft seals and seal oil systems, thrust-type seal, journal-type seal, stator winding water cooling systems,
• Excitation, AC excitation systems, exciter transient performance, pilot exciter, main exciter, exciter performance testing, pilot exciter protection, brushless excitation systems, rotating armature main exciter
• The voltage regulator, the power system stabilizer, characteristics of generator exciter power systems (GEP), generator operation,
• Generator main connections, isolated phase bus bar circulatory currents, system description
• Double-feed generators, system configuration, equivalent circuit for the brushless double-fed machine, parameter extraction, generator operation, converter rating, machine control
• Generator systems, condition monitoring, operation limitations, fault conditions

Module 3 – Generator Surveillance and Testing, Generator Inspection and Maintenance,  Generator Rotor Reliability and Life Expectancy, Bearings and Lubrication,Used Oil Analysis, Vibration Analysis, Power Station Electrical Systems andDesign Requirements, Power Station Protective Systems, Frequently Asked Questions      

• Generator surveillance and testing, generator operational checks (surveillance and monitoring), generator diagnostic testing, insulation resistance and polarization index, dc hipot test, ac tests for stator windings, synchronous machine rotor windings, partial discharge tests, mechanical tests
• Generator inspection and maintenance, on-load maintenance and monitoring, off-load maintenance, generator testing
• Generator operational problems, and refurbishment options, typical generator operational problems
• Generator rotor reliability and life expectancy, generator rotor refurbishment, generator rotor modifications, upgrades, and uprates
• Bearings and Lubrication, Types of bearings, ball and roller bearings, thrust bearings, lubrication, viscosity of lubricants, greases, VI improved oils
• Used oil analysis, test description and significance, visual and sensory inspection, chemical and physical tests
• Vibration analysis, resonance, vibration instrumentation, vibration analysis, vibration causes, vibration severity
• Power station electrical systems, and design requirements, system requirements, electrical system description, system performance, unit start-up, synchronization, shutdown and power trip, power plant outages and faults, uninterruptible power supply systems, dc systems
• Power station protective systems, design criteria, generator protection, dc tripping systems
• Frequently asked questions

BTS attendance certificate will be issued to all attendees completing a minimum of 80% of the total course duration.

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