The function of conservator in a transformer is?

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The function of conservator in a transformer is?

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asked Mar 19, 2018 by anonymous

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45 The function of conservator in a transformer is A. To protect against internal fault B. To reduce copper as well as core losses C. To cool the transformer oil D. To take care of the expansion and contraction of transformer oil due to variation of temperature of surroundings

45 The function of conservator in a transformer is A. To protect against internal fault B. To reduce copper as well as core losses C. To cool the transformer oil D. To take care of the expansion and contraction of transformer oil due to variation of temperature of surroundings
Last Answer : D. To take care of the expansion and contraction of transformer oil due to variation of temperature of surroundings

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D. Loading of the transformers not i76 The changes in volume of transformer cooling oil due to variation of atmospeheric temperature during day and night is taken care of by which part of transformer? A. Conservator B. Breather C. Bushings D. Buchholz relay

76 The changes in volume of transformer cooling oil due to variation of atmospeheric temperature during day and night is taken care of by which part of transformer? A. Conservator B. Breather C. Bushings D. Buchholz relay
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The function of breather in a transformer is?

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asked Mar 19, 2018 by anonymous

What is conservator?

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Last Answer : A conservator is a small cylindrical drum fitted just above the transformer main tank. It is used to allow the expansion and contraction of oil without contact with surrounding atmosphere. When conservator ... , the tank is fully filled with oil and the conservator is half filled with oil.

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asked Jul 26, 2019 by anonymous

No-load current in a transformer?

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The purpose of providing an iron core in a transformer is to?

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In the transformer which winding has got more cross-sectional area?

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A transformer cannot raise or lower the voltage of a D.C. supply because?

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Primary winding of a transformer?

Last Answer : Primary winding of a transformer could either be a low voltage or high voltage winding.

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Which winding in a transformer has more number of turns ?

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Efficiency of a power transformer is of the order of?

Last Answer : The efficiency of a power transformer is of the order of 98 percent.

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asked Mar 19, 2018 by anonymous

The no load current in a transformer lags behind the applied voltage by an angle of about?

Last Answer : The no load current in a transformer lags behind the applied voltage by an angle of about 75°.

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In a transformer routine efficiency depends upon?

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The maximum efficiency of a distribution transformer is?

Last Answer : The maximum efficiency of a distribution transformer is at 50% full load.

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Transformer breaths in when?

Last Answer : Transformer breaths in when load on it decreases.

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asked Mar 19, 2018 by anonymous

No-load current of a transformer has?

Last Answer : No-load current of a transformer has small magnitude and low power factor.

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The purpose of providing iron core in a step-up transformer is?

Last Answer : The purpose of providing iron core in a step-up transformer is to decrease the magnitude of magnetizing current.

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The power transformer is a constant?

Last Answer : The power transformer is a constant main flux device.

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In a transformer the tappings are generally provided on?

Last Answer : In a transformer, the tappings are generally provided on low voltage side.

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The use of higher flux density in the transformer design?

Last Answer : The use of higher flux density in the transformer design reduces weight per kVA.

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The chemical used in breather for transformer should have the quality of?

Last Answer : The chemical used in breather for transformer should have the quality of cleansing the transformer oil.

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An ideal transformer has infinite values of primary and secondary inductances. The statement is?

Last Answer : An ideal transformer has infinite values of primary and secondary inductances. The statement is false.

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The transformer ratings are usually expressed in terms of?

Last Answer : The transformer ratings are usually expressed in terms of kVA.

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Material used for construction of transformer core is usually?

Last Answer : Material used for construction of transformer core is usually silicon steel.

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The thickness of laminations used in a transformer is usually?

Last Answer : The thickness of laminations used in a transformer is usually 0.4 mm to 0.5 mm.

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asked Mar 19, 2018 by anonymous

A transformer oil must be free from?

Last Answer : A transformer oil must be free from moisture.

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asked Mar 19, 2018 by anonymous

Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds?

Last Answer : Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds 150°C.

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The main reason for generation of harmonics in a transformer could be?

Last Answer : The main reason for generation of harmonics in a transformer could be saturation of core.

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Delta/star transformer works satisfactorily when?

Last Answer : Delta/star transformer works satisfactorily when on balanced as well as unbalanced loads.

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The magnetising current of a transformer is usually small because it has?

Last Answer : The magnetising current of a transformer is usually small because it has small air gap.

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The leakage flux in a transformer depends upon?

Last Answer : The leakage flux in a transformer depends upon load current.

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Noise level test in a transformer is a?

Last Answer : Noise level test in a transformer is a type test.

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The core used in high frequency transformer is usually?

Last Answer : The core used in high frequency transformer is usually air core .

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asked Mar 19, 2018 by anonymous

The full-load copper loss of a transformer is 1600 W At half-load, the copper loss will be?

Last Answer : The full-load copper loss of a trans¬former is 1600 W. At half-load, the copper loss will be 400 W.

149 views 1 answer

asked Mar 19, 2018 by anonymous

The value of flux involved in the e.m.f. equation of a transformer is ?

Last Answer : Power on primary and secondary side of transformer A. Remains Approximately constant B. Are always different C. Is always 100kVA D. None of these

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asked Mar 19, 2018 by anonymous

Which winding of the transformer has less cross-sectional area ?

Last Answer : High voltage winding of the transformer has less cross-sectional area.

107 views 1 answer

asked Mar 19, 2018 by anonymous

Atmospheric temperature during day and night is taken care of by which part of the transformer?

The changes in the volume of transformer cooling oil due to the variation of atmospheric temperature during day and night is taken care of by which part of the transformer?
Last Answer : The changes in the volume of transformer cooling oil due to the variation of atmospheric temperature during day and night is taken care of by conservator.

76 views 1 answer

asked Mar 19, 2018 by anonymous

An ideal transformer is one which has?

Last Answer : An ideal transformer is one which has no losses and magnetic leakage.

232 views 1 answer

asked Mar 19, 2018 by anonymous

anonymous · Answer 1 · 2018-03-19T21:23:46+0000

The function of conservator in a transformer is to take care of the expansion and contraction of transformer oil due to the variation of the temperature of surroundings.

anonymous · Answer 2 · 2019-08-18T03:14:59+0000

The main function of conservator tank of transformer is to provide adequate space for expansion of oil inside the transformer.

Function of Conservator Tank of a Transformer

When transformer is loaded and when ambient temperature rises, the volume of oil inside transformer increases. A conservator tank of transformer provides adequate space to this expanded transformer oil. It also acts as a reservoir for transformer insulating oil.

anonymous · Answer 3 · 2019-08-18T03:15:29+0000

conservator or a reservoir tank for insulating oil in transformer which used for balanced the onload oil level with help of oil level indicator which mount on middle part of reservoir tank.

The function of conservator in a transformer is?

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