Commissioning, Testing and Startup Of Electrical Systems Course

Introduction

The safe and efficient operation of modern electrical equipment and control systems requires the successful testing, start-up, and commissioning of this equipment or system to ensure correct operation, plus:

• Accurate troubleshooting
• Subsequent repair of this equipment or system
• Ensuring continued productivity

Objectives

• A better understanding of commissioning procedures
• A better understanding of troubleshooting procedures
• An improved capability in the use of test equipment
• A better understanding of failure modes and failure analysis
• A refreshed awareness of electrical safety concerns

The Technology of Electrical Equipment

• Transformers, Power supplies (UPS), Batteries
• Generators, Switchgear, Disconnect switches
• Neutral ground resistors (NGR)
• Motor control centers (MCC), Variable frequency/speed drives (VFD/VSD)
• Programmable logic controllers (PLC), Distributed control systems (DCS)
• Power monitoring
• Control relays/timers/switches, Motor/feeder protective devices
• Miscellaneous equipment: Heaters, solenoid valves, electric valve actuators, signalling/alarm devices

Commissioning and Testing of Electrical Equipment

• Methods
• Principles
• Special techniques
• NEC checklists

Troubleshooting of Electrical Equipment

• Methods, Terminology, Principles
• Special techniques
• Case studies/examples
• Single-line drawings
• Group exercises

The Use of Test Equipment

• Digital voltmeter (DVM)
• Megger
• Frequency meter
• Temperature probes/pyrometers
• Ammeters, Power meters
• Load banks
• Digital hydrometers
• Cable fault locators

The Interpretation and Use of Drawings

• Single-line electrical drawings
• Control schematics
• Wiring lists
• P&IDs
• Logic and standard symbols

The Development of a Job Plan

• Identification of the troubleshooting step-by-step sequence
• Procedure preparation
• Follow-up
• Safety considerations and training

The Identification and Repair of Problems/Failures

• Common mode failures, Phase imbalance
• Electronic component failure, Fusing
• Motor windings/bearings/brushes
• Excitation circuits
• Battery cells, Inverters/rectifiers
• Bushings, Switches
• Control circuits
• Ground faults

A Review of Safety Requirements

• Area classifications
• NEC electrical codes
• Safety information