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Can you explain why there is an armature voltage even the field current is zero?
An armature voltage can exist even when the field current is zero due to residual magnetism in the rotor of the machine. This residual magnetism allows the machine to produce a small amount of magnetic flux, which can induce a voltage in the armature windings when they rotate. Additionally, if the machine is connected to a load or is being driven by an external source, it may still generate a voltage despite having no field current.
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 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.
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.
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.
What is alternating current machine?
"What is alternating current machine?"
What if it say the machine should be properly grounded?
If a machine should be properly grounded, it means that it must be connected to the earth or a ground point to prevent electrical shock and protect against electrical surges. Proper grounding ensures that any stray electricity is safely redirected, minimizing the risk of injury to users and damage to the equipment. It is essential for maintaining safety standards and compliance with electrical codes. Always follow manufacturer guidelines and local regulations when setting up grounding.
Can you explain why there is an armature voltage even the field current is zero?
An armature voltage can exist even when the field current is zero due to residual magnetism in the rotor of the machine. This residual magnetism allows the machine to produce a small amount of magnetic flux, which can induce a voltage in the armature windings when they rotate. Additionally, if the machine is connected to a load or is being driven by an external source, it may still generate a voltage despite having no field 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.
Definition of ac machine?
A machine that runs on an alternating current.
What is a large wheel connected to a smaller wheel?
A large wheel connected to a smaller wheel is a simple machine.
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+
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.
The language that the CPU understands consisting of a sequence of bits is called?
machine language
