Polyphase circuits Three non-inductive resistances, each of 100 2, are connected in star to a three-phase, abc-sequence, 440-V supply. Three inductive coils, each of reactance100 Q connected in delta are also connected to the supply. Three wattmetersare connected as in Example.wattmeter.Calculate the reading indicated by each EXAMPLECalculate the average power indicated by each wattmeter and the total powerconsumed by the load. Phase sequence is EAB-EBC-ECA. Line-to-line voltage is 100 V.lelew,-j1002Blej100lenW2le102W3

Active power consumed by inductor is zero. Eventhough inductors connected in parallel, active power…

Three non-inductive resistances, each of 100 Q, are connected in star to a three phase, abc-sequence, 440-V supply. Three inductive coils, each of reactance 100 N connected in delta are also connected to the supply. Three wattmeter are connected as in Example. Calculate the reading indicated by eac

Three non-inductive resistances, each of 100 Q, are connected in star to a three phase, abc-sequence, 440-V supply. Three inductive coils, each of reactance 100 N connected in delta are also connected to the supply. Three wattmeter are connected as in Example. Calculate the reading indicated by eac

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 1RQ: 1. What is the relationship of voltage and current (concerning phase angle) in a pure resistive...

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Question

Polyphase circuits

Three non-inductive resistances, each of 100 2, are connected in star to a three-
phase, abc-sequence, 440-V supply. Three inductive coils, each of reactance
100 Q connected in delta are also connected to the supply. Three wattmeters
are connected as in Example.
wattmeter.
Calculate the reading indicated by each

EXAMPLE
Calculate the average power indicated by each wattmeter and the total power
consumed by the load. Phase sequence is EAB-EBC-ECA. Line-to-line voltage is 100 V.
le
le
w,
-j1002
B
le
j100
le
n
W2
le
102
W3

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