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If the neutral point is not earthed than the zero sequence current will not have any return path.It will be an open circuit for the zero sequence circuit.

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Definition of ac machine?

A machine that runs on an alternating current.


How can the field coils of a dc machine be connected with self excitation?

No


What component of a welding machine changes AC current to DC current?

Yes, it is normal for a welding machine to convert AC voltage to a DC voltage.


What is negative phase current?

Negative Phase Sequence is Phenomena generally found in motors,the formula for positive phase sequence is : Ip= Ir + a * Iy + a^2*Ibthe formula for negative phase sequence is : In= Ir + a ^2* Iy + a*IbAs the name suggest the sequence of current or the mmf is in reverse order, a reverse order current in stator will produce a reverse order mmf, now this reverse order mmf is rotating in direction opposite to the rotor of the motor, thus the mmf cut is very high and so current induced in stator is considerably high; as for normal mmf it is in direction of rotor so mmf cut is very small thus current induced is very small.this high current in your rotor leads to overheating of your motor and finally burning of your windings.CommentNegative phase sequence is not 'generally found in motors'. But one of the effects of negative phase sequence would be to cause a three-phase motor to reverse direction.


Who is George Mealy?

George H. Mealy presented the concept of a finite-state machine that became known as the Mealy machine in a 1955 paper, "A Method for Synthesizing Sequential Circuits." This machine differs from a Moore machine in that rather than the outputs being defined by the current state, the outputs are defined by both the current state and the current inputs.

Related Questions

What is alternating current machine?

"What is alternating current machine?"


How does a Turing machine handle different sequence configurations?

A Turing machine handles different sequence configurations by using its tape to store and manipulate symbols based on its current state and the rules defined in its transition function. It reads symbols from the tape, changes its state, and writes new symbols back onto the tape, allowing it to process and respond to different sequence configurations.


Definition of ac machine?

A machine that runs on an alternating current.


Which part of the of a washing machine should the earth wire be connected to?

The earth wire of a washing machine should be connected to the metal chassis of the machine to prevent electric shock and ensure safety.


Can I print wirelessly to a fax machine?

You must have a fax machine that has Wifi capabilities,and have it connected to your network.


What is a large wheel connected to a smaller wheel?

A large wheel connected to a smaller wheel is a simple machine.


What is the current of a G5 massage machine?

The current of a G5 massage machine typically ranges from 0.5 to 1 ampere, depending on the model and settings used. It is important to refer to the machine's manual or specifications for precise details on current requirements.


How can the field coils of a dc machine be connected with self excitation?

No


What type of machine is connected to a shaft of a wheel and Axle?

Lever a+


The language that the CPU understands consisting of a sequence of bits is called?

machine language


Why armature core is laminated in dc machine?

to reduce the eddy current loss in the machine


Why the dialysis machine is connected to artery not the vein?

because it is the other way round...it is connected to the veinrather than the artery.