# In which fault the maximum short circuit current occurs?

In which fault the maximum short circuit current occurs?

In three phase bolted fault the maximum short circuit occurs.

## Related questions

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Last Answer : If the % reactance upto the fault point is 20%, then the short circuit current will be 5 times the full load current

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Description : The armature current on symmetrical 3 phase short circuit of a synchronous machine (salient pole)  (A) has q -axis current only (B) has d -axis current only (C) has both d and q axis currents (D) cannot be divided between q and d axis currents

Last Answer : The armature current on symmetrical 3 phase short circuit of a synchronous machine (salient pole) has d -axis current only

Description : If the fault current is 6000 A, the relay plug setting is 150% and the CT ratio is 400/5, the plug setting multiplier will be

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Last Answer : The short circuit in any winding of the transformer is the result of impulse voltage.

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Last Answer : If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400:5, the plug setting multiplier will be 10 A

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Last Answer : Short circuit test on transformers is conducted to determine copper losses.

Last Answer : Low voltage side is short circuited.

Last Answer : Primary is high voltage side and Secondary is low Voltage side.

Last Answer : In short circuit test of transformer the low voltage side is short circuited . On high voltage side the voltmeter is connected in parallel and ammeter in series and also a wattmeter is ... circuit test is done for determining impedance and losses. In this test iron losses is neglected.

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Last Answer : For a transformer, operating at constant load current, maximum efficiency will occur at unity power factor.

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Last Answer : Maximum power transfer theorem for DC circuit: The maximum power transfer theorem states that the source or a network transfers maximum power to load only when the load resistance is equal ... removed (disconnected) ii) All internal independent sources are replaced by their internal resistances.

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Last Answer : If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then zero sequence currents are absent on both sides of the transformer

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Last Answer : In a series R-C circuit, with the increase in frequency, current Increases

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Last Answer : In parallel RLC resonance circuit at resonance the current will be Minimum

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Last Answer : In a series RLC high Q circuit, the current peaks at a frequency equal to the resonant frequency

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Last Answer : When one leg of parallel circuit is opened out the total current will decrease.

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Last Answer : Electric current passing through the circuit produces thermal effect.

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Last Answer : The current will be maximum if it is a series rlc circuit.

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Last Answer : In a loss-free R-L-C circuit the transient current is sinusoidal.

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Last Answer : It  flows  from  anode  to  cathode  (direction  of   holes  flow)

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Description : Give the causes and impact and reasons of grid system fault.

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Description : The inrush current of a transformer at no load is maximum if the supply voltage is switched on  (1) at peak voltage value (2) at zero voltage value (3) at half voltage value (4) at 0.866 time voltage value

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Description : State the effects of low power factor on efficiency and voltage regulation of short transmission lines.

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