Diesel Power Generating Maintenance and Troubleshooting

Diesel generating plants have an important role in power plants as well as in industries and commercial installations to meet continuous and emergency standby power requirements for day to-day use. A good knowledge of basic operation principles, layout requirements, associated components and maintenance practices for diesel power plants help the career development of
many engineers and technicians in today’s demanding world. Whatever your role in industry – designer, purchase engineer, installation contractor or maintenance engineer, a solid knowledge of diesel power plants is always useful.

This course is designed to familiarize you with various aspects of diesel generating Power plants for practical application.

Examples will be taken from various industrial standard practices regarding the construction, layouts, application and maintenance procedures followed for reliable and trouble free operation of diesel power plants. The various tests to be conducted during commissioning and maintenance checks to ensure proper and long term operation of diesel power plants will also be covered in the course.

Some essential systems such as fuel oil layouts lube oil requirements and control circuitry will also be discussed.

Audience

This course is designed for:

Electrical supervisors
Electrical Engineers
Anyone involved in the operation and maintenance of diesel power generation units

Course objectives

Combustion processes and engine operation principles
Types and applications
Fuel and lube oil requirements
ISO ratings and terminologies
Engine components and their functions
Generator principles and construction
Plant layout requirements for single and multiple units
Associated control panels and operation
Testing and commissioning procedures
Plant performance troubleshooting techniques
Good maintenance practices

Course contents

Day-1

DIESEL TECHNOLOGY AND CLASSIFICATIONS

Basic engine processes
Reciprocating engines
Spark ignition engines
Diesel engines
Dual fuel engines
Speed classifications
Service classifications

Day-2

BASIC ENGINE DESIGN AND RATINGS

Design characteristics and formulas
Turbo charger
Ambient conditions
ISO ratings
Performance and efficiency
Efficiency enhancements
Engine speed
Fuel combustion methods

Day-3

FUEL OIL SYSTEMS AND LAYOUTS

Crude oil
HSD, LDO and heavy fuels
Economics of fuel selection
Pressure and temperature characteristics
Viscosity
Specific heat and temperature
Specific fuel consumption
Fuel filters and heaters
Fuel nozzles and igniters
Emission control
Storage requirements
Typical fuel system layouts and components

Day-4

LUBE OIL SYSTEMS

Lube oil specification
Lube oil consumption in diesel engines
Typical lube oil system layouts
Viscosity and temperature
Lube oil filters and heaters

Day-5

GENERATORS

Principle of operation
Major components (field coils, commutator, DC output, regulator, armature, rotating diodes)
Generator types
Low voltage and medium voltage generators
Typical circuitry
Load types and generator sizing
System grounding methods
Faults and protection
Performance evaluation and testing

DIESEL GENERATING SETS

Coupling requirements
Skid mounting
Layout requirements
Paralleling of multiple DG sets
Standard control panels
Interconnections

OTHER COMPONENTS

Starting methods
Starting characteristics
Battery sizing
Step load requirements
Standby requirements
Auto start and auto transfer schemes
Auto transfer switches

DG PLANT LAYOUTS

Industrial applications
Power generation plant applications
Single and multiple sets
Fuel storage requirements
Air intake system
Exhaust system
Auxiliary power requirements
Typical power schemes

TESTING AND COMMISSIONING

Factory tests
Pre-commissioning checks and tests
Performance monitoring
Fuel and lube oil consumption checks

OPERATION AND MAINTENANCE

Safety requirements
Operation monitoring based on applications
Maintenance techniques
Spares and inventory management
Inspection
Engine overhaul and repair
Troubleshooting

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