Pdf star delta stater
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Transcript of Pdf star delta stater
![Page 1: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/1.jpg)
STAR-DELTA STATER
@Bishal Sharma @EIE
![Page 2: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/2.jpg)
`Star-Delta
A balance three(3-Φ) phase supply can be connected either in delta or star connectionΦ
Delta connection Star connection
NeutralVp
VL
![Page 3: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/3.jpg)
IN CASE OF DELTA
Delta connection
VL=VpandIp=IL/√3
Where..
VL=Line voltageVp=Phase voltageIL= Line currentIp= Phase voltage
![Page 4: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/4.jpg)
IN CASE OF STAR
Star connection
NeutralVp
VL
IL=IpVp=VL/√3
Where..
VL=Line voltageVp=Phase voltageIL=Line currentIp=Phase voltage
![Page 5: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/5.jpg)
DELTA to star
Delta connection Star connection
NeutralVp
VL
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Delta to star…..
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STAR to delta
Delta connection Star connection
NeutralVp
VL
![Page 8: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/8.jpg)
Star to Delta….
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Delta connection
![Page 10: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/10.jpg)
Star connection
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Both Star vs Delta
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Star Starter
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Working
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Delta connection
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Delta working….
![Page 16: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/16.jpg)
Working…
![Page 17: Pdf star delta stater](https://reader031.fdocument.pub/reader031/viewer/2022031822/587804cf1a28ab91178b77fd/html5/thumbnails/17.jpg)
Working…
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A1
A2
A3
A4
A5
A6
U1
V1W1
U2 V2 W2
Fuse
Thermal overload Relay
Delta contactor
Starcontactor
Star-Delta Connection