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TPC Trainco
presents
Electrical Troubleshooting & Preventive Maintenance On-Site Training
A 2-Day Hands-On Course for Building, Plant & Facility Maintenance. Day 1 - Electrical Circuits, Motors & Power Distribution. Day 2 - Power Quality, Lighting, PLC's & VFD's
Course Description/Agenda
Teaching students common-sense electrical troubleshooting techniques so they can keep their facilities and equipment up and running is the primary goal of this seminar. Learning how to protect themselves from serious injury while doing it is a vitally important bonus. Attendees in this course will not be playing with trainers built for a classroom but, instead, they’ll be working with real world industrial components found in their facility. They will be using CAT III industrial meters to troubleshoot – just as they should in their facility.
Course Competencies & Learning Objectives:
- Interpret the OSHA requirements for troubleshooting and working on energized circuits
- Determine the Personal Protective Equipment (PPE) requirements for electrical troubleshooting.
- Safely and correctly verify a circuit is de-energized.
- Perform basic circuit checks for shorts, opens and ground faults using a multimeter.
- Read and interpret simple ladder and schematic diagrams.
- Perform continuity and resistance checks on relay coils and contacts, overloads, fuses, circuit breakers, switches and other control circuit components.
- Wire and troubleshoot basic electrical control circuits to develop a logical, systematic approach to troubleshooting.
- Take clamp-on ammeter readings on 3-phase circuits and interpret readings.
- Measure voltage on 3-phase Wye and Delta connected circuits and calculate percent phase imbalance as part of troubleshooting motors.
- Test single-phase power distribution systems for correct wiring.
- Use a Megohmmeter to perform the following insulation resistance tests used on motors and distribution systems: Spot Reading, Dielectric Absorption Ratio, Polarization Index.
- Observe power quality problems and troubleshooting techniques for facility distribution systems, three-phase loads and commercial lighting.
- Read and interpret basic PLC ladder diagrams.
- Measure VFD output characteristics and observe VFD operation.
- Be ready to read and interpret your facility one-line electrical drawings and electrical floor plans.
- Identify components of a successful electrical preventive maintenance program.
Course Outline:
I. Basic Skills for Electrical Troubleshooting
- A. Safety First
- B. OSHA Requirements Regarding Troubleshooting and Qualified Persons
- C. Using Electrical Drawings
- D. Using Meters and Circuit Measurements
- E. Developing a Logical, Systematic Approach to Troubleshooting
II. Troubleshooting Control Circuits
- A. Relays, Motor Starters and Control Devices
- B. Reading and Interpreting Ladder Diagrams
- C. Power Loss
- D. Control Circuit Industrial Applications
- E. Electric Motor Drives
- F. Solenoid-Operated Valves
- G. Heating Elements
III. Troubleshooting Motors
- A. Most Common Motor Problems
- B. Electrical Problems
- C. Testing Windings for Shorts, Opens and Ground Faults
- D. Phase Unbalance
- E. Mechanical Problems
- F. Phase Rotation Testing
- G. Troubleshooting Power Distribution
- H. Wye and Delta Systems
- I. Overcurrent Protection
- J. Branch Circuits
IV. Troubleshooting Power Quality Problems
- A. Sources of Power Quality Problems
- B. Test Equipment for Troubleshooting Power Quality Problems
- C. Harmonics
V. Troubleshooting Lighting Circuits
- A. Lighting Terminology
- B. Types of Lighting Circuits
- C. Incandescent Lighting
- D. Fluorescent Lighting
- E. HID Lighting
VI. Troubleshooting Programmable Logic Controllers (PLCs)
- A. Overview of Programmable Logic Controls
- B. Reading PLC Ladder Diagrams
- C. Status Indicators and Error Codes
- D. Force and Disable
- E. Startup Procedures
VII. Troubleshooting Variable Frequency Drives (VFDs)
- A. VFD Terminology
- B. VFD Basic Operation
- C. Components
- D. Pulse Width Modulation
- E. Types of VFD
- F. Common Problems and Corrective Action
VIII. Electrical Preventative Maintenance
- A. Why Perform Electrical Maintenance
- B. Overview of an Electrical Maintenance Program
- C. Building Your Own Walkthrough Inspection Checklist
CEU value: 1.4
Length of Course Instruction: 14 hours
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