Jun 03, 2020  
2018-2019 Course Catalog 
2018-2019 Course Catalog [ARCHIVED CATALOG]

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WTT 245 - Electrical Practical App

Credits: 4
Lecture Hours: 2
Lab Hours: 4
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech

This course will provide students with practical wiring exercises involving installation, wiring and troubleshooting of electrical devices and equipment used in, but not specific to, wind turbine control systems. Students will study electrical diagrams, design of electrical systems and electrical safety.
Prerequisite: ELT 303 , ELT 131  
Prerequisite OR Corequisite: ELT 123  
Discuss safe working conditions with electrical systems

  1. Understand OSHA lock out-tag out policy/procedure
  2. Understand proper use of personal protective equipment
  3. Discuss the effect of electrical current on the body
  4. Discuss practicality of the one hand rule

.2.  Understand electrical drawings

  1. Explain how to read and interpret electrical symbols on an electrical drawing
  2. Identify the electrical installation requirements using plans to a commercial building
  3. Identify the electrical installation requirements using plans to a wind turbine

3.  Focus on calculating the electrical load

  1. Determine the minimum equipment loading
  2. Figure the unbalanced load

4.  Examine branch circuits

  1. Determine the required number of branch circuits for a set of loads.
  2. Determine the correct rating for branch circuit protective devices
  3. Determine the preferred type of wire for a branch circuit
  4. Determine the required minimum size conductor for a branch

5.  Describe the function of an Encoder           

  1. Identify parts on an encoder
  2. Determine significance of all encoder terminals
  3. Identify output signals and voltages
  4. Determine correct voltages on connector pins
  5. Discuss risks of injury due to rotating shafts and electroshock charge
  6. Discuss safety risks due to mechanical shock and overload
  7. Troubleshoot all problems associated with encoder fault

6.    PLC Troubleshooting

  1. Understand input and output devices.  How they function.
  2. Identify PNP and NPN
  3. List input devices prox. Sensors, limit switches, photo eyes
  4. Test voltages in and out of a plc card (input card, output card)
  5. Understand safety concerns when forcing an output on. 

7.   Installation and operation of low-voltage remote control

  1. List the components of a low-voltage remote control wiring system
  2. Select the appropriate NEC section governing low voltage installation wiring method
  3. Demonstrate the correct connections for wiring a low-voltage remote control system


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