3-Lesson_Notes_Lecture4_ee205 - EE 205 Dr. Chokri. Belhaj...

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EE 205 Dr. Chokri. Belhaj Ahmed - 1 - Electric Circuits II Balanced Three Phase Circuits Lecture # 04 Power Calculation in Balanced Three Phase Circuits
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EE 205 Dr. Chokri. Belhaj Ahmed - 2 - The material to be covered in this lecture is as follows : ± Average power in a balanced Wye connected load. ± Complex power in a balanced Wye connected load ± Power calculation in a balanced delta connected load ± Instantaneous power in three phase circuits. After finishing this lecture, you should be able to : ± Calculate the apparent, the real and reactive power in three-phase balanced load for Y and connected load. ± Extract the single-phase power quantities from three-phase circuit quantities and vice versa. ± Conduct complex power and power factor calculation for Y or connection connected. ± Realize the advantage of the use the three-phase configuration in three phase circuits.
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EE 205 Dr. Chokri. Belhaj Ahmed - 3 - Average power in a balanced Wye connected load. ± For balanced three -phase systems Y connected Load. Figure 20 Wye Connected Three Phase Load. .. () A AN aA VA iA PV IC o s θ =− B BN VB iB bB o s cC CN CV C i C o s
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EE 205 Dr. Chokri. Belhaj Ahmed - 4 - Average power in a balanced Wye connected load (Cont).
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This note was uploaded on 01/16/2010 for the course EE ee205 taught by Professor Profsyed during the Spring '09 term at King Fahd University of Petroleum & Minerals.

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3-Lesson_Notes_Lecture4_ee205 - EE 205 Dr. Chokri. Belhaj...

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