Electrical Power Distribution Systems for Industrial Plants

Electric power distribution system plays an important role in the efficient operation of a modern industrial plant.Such a system includes high voltage circuit breakers, switchgear, transformers, motor control centers, electric motors, variable speed drives…,etc. A trouble-free electrical system is essential fo an interruption-free plant operation.

This course will cover all aspects of power distribution, including system planning, equipment selection and application, system grounding, protection and conformity with electrical code requirements, etc.

Participants will work under instructor guidance to develop a power distribution system single line diagram for a typical industrial plant.

Audience

This course is designed for:

Electrical supervisors
Electrical Engineers
Anyone involved in the power distribution systems in industrial plants

Course objectives

After Participating In The course, You Will Be Able To:

Plan your system and select equipment for it.
Benefit from a clear understanding of all aspects of power distribution system
Apply the Electrical Code to your projects
Deal with the important issues such as load estimating, voltage selection, shortage circuit studies and power protection
make your distribution system more efficient by applying your new knowledge of the power distribution system and equipme.

Course contents

Day-1

System Planning As Applicable To Industrial Plants

Load estimates
Voltage considerations and flicker
Distribution types
Substation bus arrangements
Review of a conceptual single line diagram

Day-2

Short Circuit Studies For Equipment Rating And Relaying

Applicable standards
Method of calculations
System and equipment data

An example using hand calculations

Load Flow Calculations

Importance of load flow
Voltage drop considerations
Voltage instability
Loss of a source
Effect of current limiting reactors
Optimization of load flow

Day-3

System Neutral Grounding

Ungrounded
High resistance
Low resistance
Solidly grounded systems
Cable insulation and system grounding
Generator neutral grounding

Day-4

Review Of Major Equipment

Motor control centers, switchgear, power transformers
Application of power cables
Application of electric motors
Surge arresters
Harmonics in power systems and impact of non-linear loads
Capacitor applications
Instrument transformers

Day-5

Protective Devices And Relay Setting

Protection and co-ordination principles
Feeder and bus protection
Protection of medium voltage motors
Transformer protection
Generator protection
Relay settings and co-ordination curves

VFD Applications

Methods of Proper Drive Selection
Multi-Motor Drive Systems With Example Problem
Using VFDs to Eliminate Geared Speed Reducers
Effects of AC Drives on Geared Speed Reducers
Replacing Mechanical Speed Changers With VFDs

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