題組內容

8. (10%) An industrial firm has two electrical loads connected in parallel across the power source. Power is supplied to the fim at 5000 Vrms. One load is 30 kW of heating use, and the other load is a set of motors that together operate as a load at 0.6 lagging power factor and at 150 kVA.

b. Please design a compensation circuit to achieve the unity power factor operation. Show your solution and show its circuit diagram. (5%)