Q2 UTM UTM show that the active power input to a three-phase balance load is v3VIcose, where V and / are line quantities. UTM UT (b) A balanced Y-connected load has phase voltage of 230 V and positive phase sequence. UTM The impedances Z, Zs, and Zc are 10430° A, respectiyely. UTM SUTM 6 UTM TM 6 UTM UTM (i) By taking Van on the I phase voltages, Determine total real power, P, total reactive power, Q and total apparent power, UTM 5 Sof the system. MUT UTM Draw the connection of the two wattmeters if their current coils are in line A UTM Prove and compare the value with Q2(b)(ii). A UTM S UT UTM

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Q2
TSOF the system.
Q2
A UTM
UTM
show that the active power input to a three-phase balance load is V3VIcoso, where V
and / are line quantities.
UTM
UTM
The impedances Za, Zs, and Zc are 10430° A, respectively.
UTM
3 UTM 5
a UTM
By taking Vas on the
8 UTM UTM UTM
TM
a reference, determine all
phase voltages,
(ii)
UTe
UTM 5
TM
Q and total apparent power,
UTM
Draw the connection of the two wattmeters if their current coils are in line A
UTM
Prove and compare the value with Q2(b)(ii).
ttmeter
UTM 8 UTM s UTM
UTM & UTM
UTM 8 U.
UTM 5
Transcribed Image Text:TSOF the system. Q2 A UTM UTM show that the active power input to a three-phase balance load is V3VIcoso, where V and / are line quantities. UTM UTM The impedances Za, Zs, and Zc are 10430° A, respectively. UTM 3 UTM 5 a UTM By taking Vas on the 8 UTM UTM UTM TM a reference, determine all phase voltages, (ii) UTe UTM 5 TM Q and total apparent power, UTM Draw the connection of the two wattmeters if their current coils are in line A UTM Prove and compare the value with Q2(b)(ii). ttmeter UTM 8 UTM s UTM UTM & UTM UTM 8 U. UTM 5
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