Industrial Systems ELEX 4405

LIGHTING

• Design lighting systems for commercial and industrial buildings.
• Define common lighting terms and units.
• Calculate lighting quantities.
• Identify common lighting sources and list advantages and disadvantages.
• Interpret manufacturer's luminaire candlepower distribution curves.
• Design lighting equipment layouts to recognized standards.
• List factors affecting the quality of a lighting installation.
• Compare installation and operating costs of layouts using different sources.

FEEDER CIRCUIT DESIGN

• Design feeders to meet the requirements of the Canadian Electrical Code and well established engineering practices.
• Identify the factors affecting ampacity ratings of conductors.
• Determine the ampacity ratings of conductors.
• Determine the short circuit ratings of conductors.
• Determine the voltage drop of a feeder.
• Identify types of cables.
• Select conduit sizes.
• Determine ratings for overcurrent protection of feeders.
• Harmonics.

BRANCH CIRCUIT DESIGN FOR LIGHTING AND RECEPTACLES

• Design branch circuits for lighting and convenience receptacles to meet the requirements of the Canadian Electrical Code and established engineering receptacles.
• Determine the capacity ratings of branch circuit conductors for lighting convenience receptacles.
• Determine the ratings for overcurrent protection of lighting and convenience outlet branch circuits.
• Determine the minimum number of branch circuits for specified lighting and convenience receptacle loads.
• Lay out the branch circuit wiring for lighting (including local switching) and convenience receptacles on a floor plan.
• Lay out the branch circuits for lighting and receptacles in an electrical panel.
• Design feeders and feeder taps to service one or more panels for lighting and receptacles.

BRANCH CIRCUIT AND FEEDER DESIGN FOR MOTORS

• Design branch circuits and feeders for motors to meet the requirements of the Canadian Electrical Code and established engineering practices.
• Identify the special problems of motor branch circuits.
• Identify the essential components of motor branch circuits.
• Determine the overcurrent protection rating for a motor branch circuit.
• Determine the overload protection setting for a motor branch circuit.
• Size the motor branch circuit conductors.
• Determine the disconnecting means rating for the motor branch circuit.
• Select the conductors and size the overcurrent protective device for a feeder to a group of motors.

GROUNDING DESIGN

• Explain Canadian Electrical Code requirements and select correct grounding conductor size.
• Define grounding terms.
• Compare advantages and disadvantages of grounded versus ungrounded power systems.
• Explain the intent of equipment grounding.
• Select system grounding conductor size and equipment grounding conductor size to meet the CEC requirements.

SYSTEM VOLTAGE AND CIRCUIT ARRANGEMENTS

• Explain CSA voltage standards and terminology.
• Compare the advantages and disadvantages of radial, secondary selective and primary selective circuit arrangements.

DESIGN MOTOR CONTROL CENTERS

• Design motor control centers (MCC) using the CEC and selected equipment manufacturers' application information.
• Calculate available short circuit current based on available primary MVA and transformer impedance.
• Design motor branch circuits.
• Select motor starter sizes.
• Design motor control center given specified motor loads.
• Draft drawing for the motor control center design.

SYSTEM DESIGN AND COORDINATION PROJECT

• Determine primary fuse and secondary breaker ratings and settings and coordinate a complete protection system.
• Design a complete MCC.
• Complete a short circuit study.
• Size the main secondary feeder conductors.
• Select the main secondary feeder protection ratings.
• Size the branch circuit conductors.
• Select the transformer primary fuse ratings.
• Plot characteristic curves of all protection devices.
• Adjust settings of protection devices to achieve best coordination.

Effective as of Fall 2003