Electrical Training Seminars
E600 Electrical Troubleshooting
Seminar Duration: 2 or 3 Days
This is a three-day course designed to familiarize the maintenance professional with basic electrical circuits, electrical safety in troubleshooting, electrical drawings and schematics, electrical distribution systems, wiring and troubleshooting of motor control circuits, electrical protective devices, and AC motors as they relate to electrical troubleshooting.
Some of the key topics covered are:
Basic Electrical Circuits
- Ohm's Law
- Kirchoff's Law
- Series, parallel, and combination circuits
- Use of test equipment
- Hands-on circuit exercise
Electrical Safety in Troubleshooting
- Basics of electrical safe work practices
- Lock Out Tag Out
- Personal protective equipment and electrical troubleshooting
Electrical Drawings and Schematics
- Review of electrical print reading
- One-line diagrams
- Ladder Diagrams
- Electrical symbols
Electrical Distribution Systems
- Transmission relays
- Transformers
- Single-phase, three-phase power systems
- One-line diagrams
Wiring and Troubleshooting of Motor Control Circuits
- Basic control components
- Wiring basic control circuits (hands-on)
- Sizing of thermal overload protection
- Troubleshooting of motor control circuits
- Hands-on wiring and troubleshooting "bugged" control circuits
- Two-wire control circuits
- Three-wire control circuits
Electrical Protective Devices
- Explanation of protective devices
- Fuses
- Circuit breakers
- Phase monitors
- Thermal motor overloads
AC Motors
- Single-phase
- Three-phase
- Troubleshooting and testing
- Proper preventive and predictive maintenance
- Torque characteristics
Why motors fail
- Meggering, surge comparison testing
E601 Motor Controls and Troubleshooting
Seminar Duration: 2 Days
This is a two-day course designed to familiarize maintenance personnel with the different types of motor controls and their applications.
Some of the key topics covered are:
Review of Basic Electrical Circuits
Ohm’s Law
Kirchoff’s Principles
National Electrical Code Requirements Relating to Motor Controls
Review of Wiring - one line and ladder diagrams
Electrical Safety Issues Dealing with Electrical Motor Control Circuits, Repair, and Troubleshooting
Motor Control Circuit Fundamentals
Hands-On Wiring and Troubleshooting Several Basic Motor Control Circuits
General “Rule of Thumb” Troubleshooting and Diagnostic Practices
Basics of Electrical Protective Devices
E602 Ladder Diagrams
Seminar Duration: 2-3 Days
This course teaches the student how to read basic electrical ladder diagrams. The special symbols used in electricity are learned.
E603 Grounding and Bonding
Seminar Duration: 2-3 Days
This course covers the basic theory and principles of grounding and bonding of electrical systems and related equipment. Safety aspects are covered in great detail.
E604 AC and DC Motor Basics and Troubleshooting
Seminar Duration: 2-3 Days
This course teaches the student about alternating current motors and direct current motors and their applications. Proper maintenance and troubleshooting of AC and DC motors is also covered.
Introduction to Single Phase and AC Poly Phase Motors
- Operating Principles
- Nikola Tesla, Inventor
- Three Phase Systems WYE and DELTA Review
- Terminal Connections
- Rated Voltage
- Frequency/Phase: 60 HZ/50HZ
- Speed/# Magnetic Poles
- NEMA Design Letters
- Rated Horsepower
- Duty Ratings, Continuous, Intermittent
- Insulation Classes
- Service Factor
- NEC KVA Letter Code
- Efficiency, Power Factor, Power Factor Correction
- Connections
- Preventive and Predictive Maintenance for Motors
Why Motors Fail
- Normal Motor Design Life
- Effects of Temperature on Motor Life
- Proper Lubrication
- Mechanical Alignment to Driven Machinery
- Proper and Special Motor Bearings
- VFD's and Bearing ad Insulation Failures
- Bearing Heating Issues
Hands-On Labs Based on NFPA 70B Maintenance Recommendations
- Predictive Testing of Insulation Systems: Ohm Testing and Meggering
- Vibration Analysis, Detecting Misalignment, Failing Bearings, Loose Rotor Bars
- Building a Small DC Motor
- Bearing Numbers for Motors and Correct Fits to Shaft
- Understanding Motor Name Plate Information
- Surge Comparison Testing
- Connecting Single and Three Phase Motors
- Reversing Direction of Rotation
- Thermographic Imaging and Analysis of Motors
- Determining Voltage Imbalance
- Operating AC Motors from VFD
E605 AC Motor Controls
This course teaches the student about the different components that "start and stop" a motor.