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

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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
Transcribed Image Text: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
Transcribed Image Text: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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