Suppose you have a three-phase generator that provides 120 Vac per phase and works at a frequency of 60 Hz, this generator can be connected in both delta and star. Also consider the following 6 load impedances, which will be connected at the same time to the generator as follows: ZA. ZB and Ze are connected in star, while ZD. ZE and Z are connected in delta. 10 -j20 j30 Z₂ -j20 j30 j3n mn ZA Zc N ww Z₁ 10 10 -j20 H -j20 ww 10 j3Q Zo -j20 10 j30 -j20: j30 Z Assume the generator is star-connected with neutral, calculate total system power, total power factor, and current in neutral. ww m

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Suppose you have a three-phase generator that provides 120 Vac per phase and works at a
frequency of 60 Hz, this generator can be connected in both delta and star. Also consider the
following 6 load impedances, which will be connected at the same time to the generator as
follows: ZA, ZB and Zc are connected in star, while Zp, Zg and Zp are connected in delta.
j20
j3n
Za
j20
ZA
j30
j3n
-j20
j 30
-j20
Zo
-j20
ZE
j30
-j2n
j 3n.
ZF
Assume the generator is star-connected with neutral, calculate total system power, total
power factor, and current in neutral.
Transcribed Image Text:Suppose you have a three-phase generator that provides 120 Vac per phase and works at a frequency of 60 Hz, this generator can be connected in both delta and star. Also consider the following 6 load impedances, which will be connected at the same time to the generator as follows: ZA, ZB and Zc are connected in star, while Zp, Zg and Zp are connected in delta. j20 j3n Za j20 ZA j30 j3n -j20 j 30 -j20 Zo -j20 ZE j30 -j2n j 3n. ZF Assume the generator is star-connected with neutral, calculate total system power, total power factor, and current in neutral.
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