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台灣電力公司彰化區營業處 - PowerPoint PPT Presentation


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台灣電力公司彰化區營業處. 用電設備功率因數改善 報告人:林世昌 部門 :維護組 節 約能源課 中華民國 96 年 10 月 26 日. 簡 報 內 容. 壹、功率因數定義 貳、改善功率因數的效益 參、本處功因改善案例分享 肆、整體功因改善之節能實效 伍、結語. 壹、功率因數定義. 電力系統上裝置之變壓器、電動機、感應型加熱器及日光燈之負載電流可分為 2 部份:一為激磁電流 ( 或稱無效電流 ) ;另一為有效電流以產生電力者。

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台灣電力公司彰化區營業處

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961026



  • 2()

  • (KW)(KVAR ) (KVA)


  • (Power Factor)

  • (p.f.)=KWKVA

    =KWH

  • KWH

  • KVARH



KWKVA(KVAR)(KVAR) -10



1125KVA

P.F.=80%

1200KVA

1125KVA

P.F.=80%

( 900 KW )

900 KW

675 KVAR


948KVA

P.F.=95%

1125KVA

P.F.=80%

( 900 KW )

1200KVA

900 KW

300 KVAR

375 KVAR


K/


1()2

( )

944.76%


30KW95%90%


80%1%0.3 %

80%1%0.15%



995,206 (99 -80) 0.15%28,363


V.C.B.


98%


1038.5KVA1000KVA200KW120 KVAR91%95%

93987%204KW95%

204KW (tan1tan2)48 KVAR

60 KVAR


91%95%

1-1 ~ 1-3

4,461

9,160

2,989


1-1


1-2

1-3


94545,2004.76%

1()2

1(91/100)2 0.1719

( )

( 545,200 4.76%) 0.1719

4,461

4,461 2.0533/9160

CO24,461 0.67/2989


946 2-1(

2-12-2)

4,046

8,308

2,711


2-1


2-1

2-2


3-1

9416137

16641

287,442

193


3-1CIS


(KWH)

=[CKVAR*R477*L*(2*KVA*SINCKVAR)

*8760][1000*(KV)]

CKVAR

R47790C/KM0.152 /KM

L=4KM

KV

KVA24

98%


2 98%


98%

9412(4-14-2)

1,050,357

2,157

704


98%

4-1 98%

4-2 98%


1,346,306

2,764

902


98%



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