Electrical Engineering Urdu me seekhein.

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Showing posts with label Delta Connection. Show all posts
Showing posts with label Delta Connection. Show all posts

Saturday, 14 January 2017

THREE PHASE STANDARD MOTOR CONNECTIONS

Three phases me star delta/ induction/ Motor ky connections konsay hein aur kesey hein, Ye connections Standard hein.


3 phase connections

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THREE PHASE CONNECTIONS ME STAR DELTA KYU USE KARTY HEIN.

Three phase system me ham motor connections me Star Delta use karte hein, Induction motor me ye use kyu karte hein? Ye bhhht interesting question ha. So me yaha kuch points btata hun jo is chees ka sabab ha.


  1. Motor 3 se 4 guna starting current kam kar leti ha apny current se, aur current ky kam honay se Voltage automatically kam ho jaega, To losses bhi kam hoga.
  2. Star Delta Controlling circuit, Voltage reduce hoga to Current b reduce hoga to induction motor ky jalny ky imkaan bhi kam hongay.
  3. Aur addition mein, Motor ki Starting torque ziada hoti ha to motor ki winding kam chance hota ha jalny ya damage honay me.

electrical urdu

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