ITEM 9 a. What capacitance must be placed in series with an inductance of 0.05 H so that at 100 Hz, the impedance becomes equal to the ohmic resistance? • 87 HF • 70.7 HF • 35.5 µF • 50 μF b. One million cu meter of water is stored in a reservoir feeding water turbine. If the center of mass of the water is 40 m above the turbine and losses are negligible, how much energy (in MWh) will that volume of water produced? The density of water is 1000 kg/m^3. • 150 . 109 • 135 • 100 a. The load of the customer is more than the rating of the KWH meter so that a current transformer with ratio 400/5 is installed. The KWH meter gives a difference of 85 KWH. What shall be the actual consumption? • 8200 KWH 4300 KWH ● 6800 KWH 5600 KWH

ITEM 9 a. What capacitance must be placed in series with an inductance of 0.05 H so that at 100 Hz, the impedance becomes equal to the ohmic resistance? • 87 HF • 70.7 HF • 35.5 µF • 50 μF b. One million cu meter of water is stored in a reservoir feeding water turbine. If the center of mass of the water is 40 m above the turbine and losses are negligible, how much energy (in MWh) will that volume of water produced? The density of water is 1000 kg/m^3. • 150 . 109 • 135 • 100 a. The load of the customer is more than the rating of the KWH meter so that a current transformer with ratio 400/5 is installed. The KWH meter gives a difference of 85 KWH. What shall be the actual consumption? • 8200 KWH 4300 KWH ● 6800 KWH 5600 KWH

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.56P: Three single-phase two-winding transformers, each rated 3kVA,220/110volts,60Hz, with a 0.10 per-unit...

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