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Technical & Engineering

Power Generation Operation, Protection and Excitation Control

Instructor by: Mr. Tugino 

ABSTRACT

This course is designed to give delegates an understanding of the factors to be considered within the area of power generation.
The course covers generator theory, operation, protection and application, and troubleshooting.
Different excitation systems, prime movers and generator earthing systems generator voltage and frequency control are included. In addition, condition monitoring and maintenance is also examined and explained.

OBJECTIVES

• Explore the different prime movers used for generators
• How to control frequency and voltage
• Examine the earthing system for generators
• Explore different protection needed for generators
• Understand condition monitoring, data collection and routine maintenance for generators
• Develop an understanding of the factors with regard to load calculation, acceptance, rejection, shedding and sharing
• Gain knowledge of synchronisation methods and conditions
• Develop an understanding of power factor calculations and power factor correction
• Understand voltage drop and short circuit calculations
• Learn data collection techniques employed in major power generation equipment

COURSE CONTENT

A. PRINCIPLES OF A.C. GENERATION

1.Principles of alternating and rotating
2. Magnetic fields

• Peak, Rms and Mean Values
• Vectors (or Phasors)
•  Faraday’s Law of Electromagnetic
• Induction
• A.C. Generators

3. Phase A.C. Generators

• Star and Delta Connections
• Drawing of Star – and Delta – Connected Apparatus

B. GENERATOR CONSTRUCTION AND EXCITATION

1. General

• Rotor construction
• Insulation
• Cooling
• Excitation and voltage control
• Insulated bearings

2. Generator Excitation and Voltage Control

C. PRIME MOVERS

• Turbines Diesel Generator Sets

D. GENERATORS EARTHING

1. Introduction
2. Equipment Earthing
3. System Earthing
4. Classification Of Supply / Installation System Earthing

• Earthing via Neutral Earthing Compensator
• Distribution Transformers
• Zig Zag Transformers
• Evaluation of Earthing methods

F. GENERATOR VOLTAGE AND FREQUENCY CONTROL

• Reactive Power and Voltage Control
• Voltage Control of Generator Loading At Synchronizing
• Frequency Control of Generators Loading At Synchronizing

G. GENERATOR OPERATION

• Synchronising of Generators
• Load Shedding
• Power Factor

H. GENERATOR PROTECTION

1. Generator Connections and Overview of Typical Protection
2. Stator Phase – Fault Protection for All Size Generators
3. Phase Protection for Small Generators That Do Not Use Differentials
4. Phase – Fault Backup Protection (51v) Or (21)
5. Stator Ground – Fault Protection Ground – Fault Protection for Single Medium Or Small Wye – Connected
6. Ground – Fault Protection for Very Small , Solidly Grounded Generators
7. Generator Off – Line Protection
8. Reduced or Lost Excitation Protection (40)

• Generator Protection for System Disturbances And Operational Hazards
• Cogeneration and Non – Utility “Distributed” Generation Protection
• Generator Operation under Contingency Conditions
• Shaft Current
• Typical Generator Protection Schemes of Various Ratings

I. CONDITION MONITORING AND DATA COLLECTION

• Introduction
• Approaches Based on Mathematical Models
• Reliability Centered Maintenance (RCM)
• Condition Based Maintenance (CBM)
• Partial Discharge
• Insulation Resistance Monitoring

J. DC HI – POT TEST

1. Maximum Allowable Test Voltage
2. Measuring Insulation Degradation

• Capacitive Charging Current
• Resistive Leakage Current
• Energy Dissipated

3. Insulation Power Factor

• Insulation Power Factor Standards
• Power Factor Test Sets
• Outage for Scheduled Maintenance
• On Line Measuring Partial Discharge Activity For Insulation

K. THE ERA of Intelligent Electronic Devices “IED “To collect Data

• Generator Maintenance
• Preventative Maintenance
• Trouble Shooting
• General Procedure
• Generator Does Not Produce Voltage Generator Produce Low Voltage
• Generator Produce High Voltage
• Generator Voltage Fluctuating

Fault analysis for Generator Control Circuit Case Studies, Group Exercises, Group Discussions, Last Day Review & Assessments will be carried out.

PARTICIPANT

Electrical engineers
Plant engineers and instrument technicians
Operations technicians
Electrical maintenance technicians and supervisors
Instrumentation and control system engineers

TRAINING METHOD

Presentation

Discussion

Case Study

Evaluation

FACILITIES

Training Kit

Handout

Certificate

Lunch + 2 X Coffee Break

Souvenir

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