Transformer Open Circuit and Short Circuit Test

Power required during the open circuit and short circuit test is

A single phase transformer of 2200/220 V having rated l.v. current of 150 A has to undergo open circuit test on h.v. side.Which of the below instruments range should be used?

Which of the following informations are obtained from short-circuit test?
I. Ohmic losses at rated current
II. Equivalent resistance and leakage reactance
III. Core losses
IV. Voltage regulation

Transformers with high leakage impedance is used in

Which of the following conditions have to ensured for a short-circuit test?
A. h.v. winding is short-circuited
B. It helps in calculation of voltage regulation
C. It is performed at rated voltage
D. l.v. winding is short-circuited

To conduct the open circuit test, test is conducted on the

Which of the following informations are not obtained from short-circuit test?
I. Ohmic losses at rated current
II. Equivalent resistance and leakage reactance
III. Core losses
IV. Voltage regulation

Which of the following conditions have to ensured for a open-circuit test?
A. Performed on L.V side
B. Leakage impedance can be obtained
C. It is performed at rated voltage
D. It gives magnetizing impedance

Which of the following conditions have to ensured for a short-circuit test?
A. L.v. is short circuited
B. It helps in calculation of voltage regulation
C. It is performed at rated voltage

A single phase transformer of 2200/220 V having rated l.v. current of 150 A has to undergo open circuit test on h.v side. The instruments used are voltmeter of 200V and ammeter of 1A. Then the results

Which of the below estimations require results of both open circuit test and short circuit test?

To conduct the short circuit test, test is conducted on the

The open circuit test results in finding which of the following parameters
I. core losses
II. shunt branch parameters
III. series parameters

A single phase transformer of 2000/200 V having rated l.v. current of 100 A has to undergo short circuit test on l.v. side. Which of the below instruments range should be used?

The open circuit test results in finding which of the following parameters
I. core losses
II. shunt branch parameters
III. turns ratio of transformer

Which of the following conditions have to ensured for a open-circuit test?
A. Performed on L.V side
B. Leakage impedance can be obtained
C. It is performed at 10-12% of rated voltage
D. It gives magnetizing impedance