This course provides a comprehensive understanding of industrial electrical systems, focusing on 3-phase power distribution up to 480 Volts, motor control, and code compliance. Students will delve into the principles, components, and safety considerations essential for efficient and reliable operation in industrial settings including National Electric Code (NEC). This course equips students with practical skills to navigate complex electrical systems encountered in factories, plants, and commercial facilities.
Upon successful completion of the course, students should be able to demonstrate the following knowledge or skills:
- Analyze 3-phase power systems (configurations, loads) up to 480 Volts and apply National Electric Code (NEC) regulations.
- Differentiate motor types (induction, synchronous) and control methods.
- Design and build motor control circuits following National Electric Code (NEC) safety standards.
- Select and apply transformers for 3-phase power distribution with National Electric Code (NEC) compliance.
- Utilize Variable Frequency Drives (VFDs) for motor speed control while adhering to National Electric Code (NEC).
- Demonstrate troubleshooting techniques for motor issues, including diagnostic techniques and adherence to National Electric Code (NEC) safety standards.
- Electrical safety review and NEC Basics
- Electrical safety review including Lock-out / Tag-out and Arc Flash
- National Electrical Manufacturers Association (NEMA) Standards
- Introduction to National Electrical Code (NEC) and its relevance to motor installations
- Hands-on lab: demonstrate safe practices
- Introduction to 3-Phase Power
- Overview of 3-phase vs. single-phase systems
- Phases, voltages, and phase angles
- Wye and delta configurations
- Balanced and unbalanced loads
- Hands-on lab: configuration
- Motor Types and Characteristics
- Induction motors: squirrel cage and wound rotor
- Synchronous motors: construction and operation
- Motor efficiency and power factor
- Motor starting methods
- NEC requirements for motor nameplate data and voltage variations
- Hands-on lab: motor assembly
- Motor Control Basics and NEC Compliance
- Motor control circuits: start/stop, forward/reverse
- Motor control devices: contactors, relays, starters
- Motor protection: overload relays, fuses, circuit breakers
- Hands-on Lab: Building motor control circuits with NEC adherence
- 3-Phase Transformers and NEC Guidelines
- Transformer principles and construction
- Step-up and step-down transformers
- Transformer connections: Y-Y, Y-Delta, Delta-Delta
- Transformer sizing and efficiency considerations according to NEC
- Hands-on lab: Transformer parameters determination and load test
- Variable Frequency Drives (VFDs) and NEC Compliance
- VFD operation and control
- Speed control of induction motors
- Harmonics and filtering
- Applications of VFDs in industrial systems while adhering to NEC requirements
- Hands-on lab: VFD functions and troubleshooting
- Motor Control Centers (MCCs) and NEC Standards
- MCC components: motor starters, feeder breakers
- Busbars and wiring
- MCC layout and design
- Hands-on lab: Troubleshooting MCCs with NEC compliance in mind
- Motor Protection and Maintenance per NEC
- Thermal overload protection
- Vibration monitoring
- Insulation testing
- Predictive and preventive maintenance practices aligned with NEC guidelines
- Hands-on lab: shaft alignment
- Motor Troubleshooting and NEC Considerations
- Common motor faults: overheating, bearing wear
- Diagnostic techniques: visual inspection, temperature measurement
- Motor winding resistance testing
- Hands-on Lab: Troubleshooting motor issues while adhering to NEC safety standards
- 3-Phase Power Distribution and NEC Compliance
- Substations and switchgear
- Power factor correction
- Harmonics mitigation
- Case studies: industrial power distribution systems following NEC regulations
- Final Project, NEC Review, and Compliance (optional)
- Design and analyze a 3-phase motor control system
- Present findings and recommendations with NEC considerations
- Review key concepts from the course, emphasizing NEC compliance
- Apply NEC guidelines to a final project
PO4 Students will be able to conduct measurements, analyze and interpret data, and propose methods for resolving problems
All subject matter in the course outline will be taught to the depth of learning necessary to ensure students are prepared for the next class in the sequence/program.
The learning outcomes and content outline on this MCO must be reviewed for updates at least every three years.