Generators: Operations, Maintenance, Control, Testing & Troubleshooting

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  • Fees : 2900 $
  • Date 22 Sep 2019
  • Location Dubai, English

Generators: Operations, Maintenance, Control, Testing & Troubleshooting

 

Course Contents:

 

Generator Theory

 

Armature Reaction, Resistive Loads, Inductive Loads, Capacitive Loads, Power Transfer and Load Angle, Reactive Power, Power Transfer Between Generator Rotor and Stator, Short Circuit Ratio

 

System Operations

 

Structure of the Power System, Interconnections, Power Balance, Operation of the System, State of the Power System

 

Generator Construction

 

Stator Frame, Core, Windings, End Shield, Rotor Body, Field Windings, Retaining Rings, Collector Rings, Diesel and Hydroelectric Differences

 

Excitation Systems, Voltage & Frequency Control

 

Speed Governor Response to Frequency Deviations, Automatic Voltage Regulator Response to Voltage Deviations, Manual Regulator, URAL, Impedance Compensator, Volts/Hertz, Maximum Excitation Limit, Transfer & Tracking, Static Excitation Systems

 

Generator Auxiliary Systems

 

Purpose and Operations of the Generator Hydrogen Control System, Generator Seal Oil System, and Stator Liquid Cooling System (as required)

 

Normal Operations

 

Preparation for Start-Up, Synchronizing, Load Changes, Use of Reactive Capability Curve, Shutdown

 

Abnormal Operations

 

Relationships Between Operations, Protection and Alarms; Alarms, Protection when Off-Line, Tripping Methods, Protective Actions for Generator Faults and Abnormal Operations &

 

Protection Recommendations

 

System Steady & Dynamic Conditions, Frequency Deviations, Voltage Deviations, Instabilities, Loss of Synchronism, Stator Overcurrent, Field Ground, Stator Ground Fault, Stator Phase-to-Phase Fault, Over Voltage, Over Volts-per-Hertz, Field Overheating, Loss of Excitation, Bearing Vibration, Synchronizing Errors, Motoring, etc.,

 

Purpose of Generator Electrical Tests

 

Safety Considerations, STATOR:  Winding Resistance, Insulation Resistance, Dielectric Absorption, Direct Current Leakage, Dissipation Factor Test.

 

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