Why SC test is generally performed on HV side of a transformer?

Why SC test is generally performed on HV side of a transformer?
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1 Answer

Answer :

The rated current is less on HV side. This will also permit to use ammeter and wattmeter of lower current range.
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Why the tapings are placed on HV side?

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A no-load test is performed on a transformer to determine?

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Last Answer : During tap changing action the load current has to be shifted from one tap to another tap. In case HV wining the load current will be less. Hence lesser arcing will take place. 

Why in transformer the LV CB also be tripped along with HV CB for a primary side fault?

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If we give 2334 A, 540V on Primary side of 1.125 MVA step up transformer, then what will be the Secondary Current, If Secondary Voltage=11 KV?

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Last Answer : A:The open circuit on a transformer is conducted at a rated voltage because core loss depends upon the voltage. This open circuit test gives only core loss or iron loss of the transformer.

66 While conducting short-circuit test on a transformer the following side is short circuited A. High voltage side B. low voltage side C. primary side D. secondary side

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Last Answer : C) the voltage applied on primary side is low

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in open circuit or no load test of transformer which side is low voltage side and which side is high voltage side?

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At what power maximum efficiency of power transformer and distribution transformer is designed

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What happen when Transformer is given DC supply ?

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During No load why the power factor of the transformer is very low ?

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How to connect two single phase transformer to give three phase o/p from a three phase I/p ?

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Last Answer : A. They would have to connect in an open-delta.

What is the 3 ph transformer ?

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What parameters or technical particulars are important to be considered while designing protection scheme of the transformer?

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Explain about the open and short circuit tests on transformer?

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EMF equation of the transformer?

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What is meant by regulation in a transformer?

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What will happen if DC supply is given on the primary of a transformer?

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Explain the operation of variable frequency transformer?

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What is voltage ratio of a transformer?

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Last Answer : A. Voltage ratio is the ratio of the voltage between the line terminals of one winding to that between the line terminals of another winding at no load.

What is the function of transformer oil?

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What is the difference between delta-delta, delta-star transformer?

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What current flows in the transformer primary when its secondary is open?

Description : What current flows in the transformer primary when its secondary is open?

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Explain about the losses in Transformer?

Description : Explain about the losses in Transformer?

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What is an ideal transformer?

Description : What is an ideal transformer?

Last Answer : A. Transformer having an overall efficiency of 100 per cent is called an ideal transformer.