Emergency Generators Course
Electrical and Power Engineering

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Emergency Generators Course
Course Overview:
The course gives an in depth knowledge of diesel engine generator systems with special emphasis on components, performance and maintenance strategies.
It will also give knowledge on fuel and combustion emission relations and control systems.
This course presents preventive and predictive maintenance, serviceability and troubleshooting and protective relaying in generation plants. It also addresses operational modes and unusual conditions and utility interconnection requirements.
The course is suitable for engineers, technicians and Maintenance staff and will help the students in comprehending the optimal efficiency, reliability and economic performance of diesel engine generators together with its reduced operating costs.
Course Objectives:
After participating in this course, you will be able to:
- Know the major components and subsystems of various types of diesel engines
- Examine the applications, performance and economics of diesel engine generation plants
- Understand various equipment for diesel engine monitoring and control mechanisms, generators, and auxiliaries
- Discover the maintenance required for diesel engine generators to minimize their operating cost and maximize efficiency, reliability and longevity
- Increase your knowledge of predictive and preventive maintenance and reliability
Who Should Attend?
- Engineering Managers
- Electrical Engineers
- Technicians & Technologists
- Design Engineers
- Process Engineers
- Project Engineers
- Operation & Maintenance personnel
- Consultants
Course Outlines:
- Engine fuel generator relationships
- Combustion generated emissions
- Advanced monitoring & control systems
- Serviceability & service techniques
- Preventive maintenance
- Modes of operation
- Unusual operating conditions
- Generator power output system
- Protective relaying systems
- ·Requirements for interconnection
Welcome, Introduction, Workshop Preview, Learning Outcomes and the Assessment Methods Diesel Generator Economy - An Overview
- What is an emergency generator?
- Justification for emergency generation and use of the plant for peak shaving
- Economy of using diesel engine as prime mover
Engine Fuel Generator Relationships
- Engine-generator performance and economy
- Properties of fuels for internal combustion engines
Effect of Engine Parameters on Performance and Economy Fundamentals of diesel engine operation
- Analysis of 4-stroke and 2-stroke cycles
- Compression ratio, fuel air ratio, injection system timing
- Turbo charging and turbo compounding
Effect of Operating Variables:
- Fuel-air ratio, load, speed, timing, back pressure
- Optimization of controllable variables
Matching Combustion Engines to the Job
- Specifications, ratings, sizing and utilization
- Standard and optional features
- Factory testing
Combustion Generated Emissions
- Preliminary aspects of U.S. heavy duty emission regulations with respect to the changing characteristics of the Canadian diesel fuels up to the turn of the century.
Advanced Monitoring and Control Systems
- Electronic control systems, electronic governors, turbo-charging, after cooling compounding, adiabatic operation, ceramics, fuel consumption monitoring.
- Microprocessor-based engine monitoring and control
Serviceability and Service Techniques: Troubleshooting
- Equipment serviceability and how it can be serviced
- Troubleshooting for uninterrupted performance
Preventive Maintenance
- Preventive Maintenance Program
- Non-destructive testing, oil and fuel analysis, exhaust analysis, back-pressure analysis, gauges, liquid levels
- Site inspection
- Planning, records, cost and implementation
Generators
- Basic design principles
- Stator construction (frame, core, windings)
- Rotor construction (salient pole-and turbo-types)
- Generator cooling methods
- Excitation systems (brushless, static, DC)
- Controls and monitoring instruments
Modes of Operation
- Emergency systems isolated from utility power system
- Generator systems capable of operation in parallel with utility system
- Peak Shaving operation
- Power factor correction
- Operator interface-control and monitoring
Unusual Operating Conditions
- Black start
- Bus transfers
- Starting large motors
- Stability-load angle, frequency, voltage, torque variations
- Automatic load shedding
- Sensitive loads and power quality
Visit to a Diesel Generation Plant Participants leave for the plant Generator Power Output System
- Circuit breakers and isolation switches
- Main output transformers
- Interconnection with the utility power system
- Commissioning tests
- Reliability tests
Protective Relaying Systems for Generation Plant
- Generator Protection
- Differential protection
- Reverse power, stator ground, loss of field, field ground, over excitation
- Over frequency, under frequency, overvoltage, under voltage
- Voltage controlled over current
- Negative phase sequence, or phase unbalance
- Synchronizing systems, synchro-check relays
- Microprocessor-based multi-function generator protective relays
- Transformer and Bus Protections
- Utility Intertie Protection
- Islanding protection
- Remote tripping/Transfer tripping
- Backup protections
- Commissioning Tests for Protective Relaying Systems
Requirements for Interconnection with the Utility
- Protective relaying requirements
- Remote tripping/transfer tripping requirements
- Auto-reclosing of the utility feeder circuit breaker
- Operating agreement with the utility
- Monitoring of plant status and MW output by the utility
- Revenue and billing metering systems