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A Routine test of transformer is mainly for confirming operational performance of individual unit in a production lot. Routine tests are carried out on every unit manufactured.
All transformers are subjected to the following Routine tests:
Insulation resistance Test.
Winding resistance Test.
Turns Ration / Voltage ratio Test
Polarity / Vector group Test.
No-load losses and current Test.
Short-circuit impedance and load loss Test.
Continuity Test
Magnetizing Current Test
Magnetic Balance Test
High Voltage Test.
Dielectric tests
Separate source AC voltage.
Induced overvoltage.
Lightning impulse tests.
*Want to know more please watch the video*
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Click on this link for full playlist of Transformer: / @embedbytes
Learn about Transformers in a easy way here.
This series contains following topics:
* What is Transformer?
* Principle
* Working
* Construction
* Cut Section of Oil Transformer
* Construction of Oil Transformer with Conservator and Breather
* Single Phase Transformer
* Ideal Transformer
* emf equation of Transformer
* Transformer on no Load
* Transformer on Load
* Losses in Transformer and Maximum Efficiency
* Phasor Diagrams
* Inductive Load or Transformer with Lagging Power Factor
* Capacitive Load or Transformer with Leading Power Factor
* Equivalent circuit of transformer
* Types of Transformer
* Major factors in Selection, sizing of Transformer
* Factors affecting voltage level selection of Tansformer
* Executes Tests
* Routine Tests
* Type Tests
* Special Tests
* Maintenance of transformer
* Failures and Cause
* Protection of Transformer
* Differential Protection
* Restricted Earth Fault Protection
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