A load has impedance Z-4-j30 and applied voltage of V=50230°V, then apparent power of the load isO 500z-36.8° VAnO 500223.1° VAO 5002-23.1° VAO 500236.8° VA Compared to synchronous condensers, static capacitors haveO Low thermal stability to short circuit currentsO Higher maintenance costO Higher lossesO Longer service life

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Answered: A load has impedance Z=4-j3Q and…

A load has impedance Z=4-j3Q and applied voltage of V-50230°V, then apparent power of the load is O 500z-36.8° VA O 500223.1° VA O 5002-23:1° VA O 500236.8° VA

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.19MCQ: The admittance of the impedance j12 is given by (a) j2S (b) j2S2 (c) j4S

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Question

A load has impedance Z-4-j30 and applied voltage of V=50230°V, then apparent power of the load is
O 500z-36.8° VA
n
O 500223.1° VA
O 5002-23.1° VA
O 500236.8° VA

Compared to synchronous condensers, static capacitors have
O Low thermal stability to short circuit currents
O Higher maintenance cost
O Higher losses
O Longer service life

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