
Core type and Shell type Transformer
Core type and Shell type Transformer Depending upon the type of construction used, the transformers are classified mainly into two categories i.e Core type and […]
Core type and Shell type Transformer Depending upon the type of construction used, the transformers are classified mainly into two categories i.e Core type and […]
Polarity Test On the primary side of a two winding transformer, one terminal is positive with respect to other one. At the same time ,one […]
Grounding Transformer The neutral or star point is usually available at every voltage level form generator or transformer neutral .However if no such point is […]
Choice of Transformer connections 1.Star-star(Yy0 or Yy6) connections:This type of Transformer is most economical for small current and high voltage transformers. Advantages: The number of turns […]
Open-circuit Test(or No -Load Test) Open-circuit test is used to determine the : core(or iron excitation) loss,Pi No-load current ,Io shunt branch parameters Ro and […]
Transformer Efficiency Definition: The efficiency of Transformer(η) is defined as the ratio of useful power output to the input power,the two being measured in same […]
Voltage regulation Definition: Voltage regulation of a Transformer is defined as the change in magnitude of terminal voltage or secondary voltage,when full load(rated load) of […]
Transformer on No load The transformer is said to be at no load when the primary of a transformer is connected to the source of […]
Ideal Transformer Definition:Certain idealizing assumptions are made for better understanding and for a very easier explanation of a practical transformer.A Transformer having these ideal properties […]
Emf equation When an alternating(sinusoidal) voltage is applied to the primary winding of a Transformer an alternating(sinusoidal) flux is produced in the iron core which links […]
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