Lesson 1 - Surveying Electrical Consumption
Identifying electricity consumers; Determining system efficiency, consumption; Meter selection
Learning Objectives:– Conduct an electrical energy audit.
– Determine the efficiency of an electrical system.
– Give three reasons for metering electric energy use.
– Name the three basic types of meters used in energy conservation work and explain how each is used.
– Differentiate between indicating and recording meters.
Lesson 2 - Using Load Management Techniques
Load factor; Equipment audits; Target demand; Methods of control; Demand controllers
Learning Objectives:– Name the two metered quantities that determine the major part of an electric bill.
– Define power factor and load factor and explain why each is important.
– Show how to use meters to identify usage patterns ad peak usage periods.
– Compare and contrast manual and automatic demand control and give an example of each.
– Name several types of demand controllers and tell how each operates.
– Describe the way in which electric bills are calculated.
Lesson 3 - Improving Electrical Equipment Efficiency
Electrical quantities; Capacitors; Induction motors; Motor efficiency; Variable speed drives; Transformers; Energy saving devices
Learning Objectives:– Name the two familiar forms energy may take.
– List three elements of impedance in an ac system.
– Explain how power factor is calculated in a single-phase and a three-phase circuit.
– Tell why capacitors are important from an energy conservation standpoint and name three sources of capacitance in an electrical system.
– Explain the information found on a motor nameplate and tell how it relates to energy on a electrical system.
– Calculate load losses and no-load losses of motors, speed controls, and transformers.
– Evaluate the value of energy-saving devices.
Lesson 4 - Conducting a Lighting Survey
Lighting levels; Lighting survey; Improved switching; Reducing lamp size; Improved lighting controls; Task lighting; Using natural light
Learning Objectives:– Explain the importance of a good lighting system.
– Define uniform lighting and selective task lighting and tell how they affect energy consumption.
– Determine recommended and actual lighting levels
– Distinguish between lumens and footcandles as measures of light.
– Give examples of ways in which switching modifications can be used to reduce energy consumption.
– Describe several ways to use natural lighting more efficiently.
Lesson 5 - Evaluating Lamps and Fixtures
Incandescent and fluorescent lamps; Scheduling lamp replacement; HID, mercury, metal halide, high-, and low-pressure sodium lamps; Maintenance
Learning Objectives:– Tell why cleaning lamps and fixtures is important.
– Compare and contrast incandescent and fluorescent lamps.
– Differentiate between R lamps and ER lamps.
– Name six types of lighting in order of efficacy.
– List advantages and disadvantages of each of the following types of high intensity discharge lighting: mercury, metal halide, HPS, and LPS.