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Electrical System, 3 Power Supply - Lab-volt

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Job Sheet 3 – Power Supply Two types of electric power are required to energize all of the components in the wind turbine training system: alternating current (AC) and direct current (DC). Electric power is a combination of voltage and current. Figure 3-1. Basic Circuit. same electrical circuit or component. Refer to the following equation: AC Power is controlled by mechanical switches and contactors. DC Power supply unit. © Festo Didactic Inc. 88396-20 21 Power Supply Figure 3-2. 24Vdc Power Supply (in I/O system). applied. 22 © Festo Didactic Inc. 88396-20 Power Supply OBJECTIVES power supply system on your trainer. EQUIPMENT REQUIRED SAFETY PROCEDURES You are wearing safety glasses. You are wearing safety shoes. loose clothes. Your sleeves are rolled up. PROCEDURE Setup ฀ ฀ Begin ฀ ฀ NOTE: © Festo Didactic Inc. 88396-20 23 Power Supply ฀ ฀ NOTE: power switch is on. Yes No ฀ measuring voltages. ฀ inside the electrical panel. NOTE: Voltage Description Location Table 3-1. Power Input. ฀ Enter your measured value. ฀ voltages inside the electrical panel. NOTE: Voltage Description Location Table 3-2. Power Outputs. ฀ 24 Enter your measured value. © Festo Didactic Inc. 88396-20 Power Supply ฀ ฀ ฀ Review Questions Yes No Yes No Yes No Yes © Festo Didactic Inc. 88396-20 No 25 Power Supply Yes No Name: _________________________________ Date: ______________________ Instructor approval: ___________________________________________________ 26 © Festo Didactic Inc. 88396-20