Testing, Commissioning and Maintenance of Electrical Systems
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Testing, Commissioning and Maintenance of Electrical Systems Course
Introduction:
Upon completion of this course, you will have the ability to:
- Outline the process of planning and executing electrical system commissioning
- Identify appropriate field tests for electrical distribution systems
- Choose between corrective and preventive maintenance strategies for electric power distribution systems
- Describe the AC and DC testing methods for electrical equipment
- Specify the procedures for handover, acceptance, and transitioning to operations
Course Objectives:
This course provides an understanding of the role of commissioning in a project of any size. Emphasis will be on the importance of project planning and preparation, from engineering to commissioning and start-up. This course deals with safety considerations in maintenance and testing procedures for all electrical system components. It also discusses field testing of major components of an electrical system, including motors, generators, transformers, switchgear, protection and control, UPS, and battery systems.
Who Should Attend?
- Managers & Team Leaders
- Project Engineers
- Design Engineers
- Electrical Engineers
- Commissioning & Testing Engineers
- Consulting Engineers
- Electrical Technologists
- Facility/Plant Managers
- Operations & Maintenance personnel
Course Outlines:
- AC & DC voltage testing techniques
- Motors & generators
- Transformers & switchgear
- Cables & accessories
- Battery system & protective relay system
- Power distribution system maintenance
- Grounding, ground resistance measurement
- Harmonics & predictive maintenance
- Electrical safety
Overview of Field Test Requirements
- Development of test regime
- Outline of typical tests
- Interpretation of test results
- Troubleshooting
Basic Electrical Theory
- DC circuits basics
- AC circuit laws
- Impedance and power factor
- Bridge methods
DC Voltage Testing Techniques
- Insulation resistance tests
- Step voltage and high voltage tests
- Testing power factor correcting capacitors
AC Voltage Testing Techniques
- Power factor and dissipation factor tests
- AC high potential test
- Safety precautions
Testing of Motors and Generators
- Insulation resistance
- High potential test
- Power factor test
- Dissipation factor
- Voltage surge comparison testing
Transformers
- Polarity, terminal markings and connections
- Dry type transformers: inspection, and acceptance tests
- Liquid type transformer: inspection, and acceptance tests
- Routine testing: AC high potential testing, TTR test, polarity test, induced potential test, polarization recovery voltage test, and DC winding resistance tests
- Switchgear
- Insulation resistance measurement test
- DC or AC high potential testing
- Power factor or dielectric loss test
- Circuit breaker contact resistance test
Cables and Accessories
- Insulation resistance measurement test
- DC over potential testing
- Voltage versus leakage current
- Power factor test
- Cable fault locating
Battery System
- Tests for acceptance
- Performance
- Service
- Connection resistance
- Impedance tests.
Protective Relay Systems
- Testing instrument transformers and protective relays.
Power Distribution System Maintenance
- Types of maintenance (corrective, preventive and predictive)
- Canadian Code requirements
Power System Grounding and Ground Resistance Measurement