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What is the cause of fluctuation in amps and pf in a 6000hp syncrhonous motor?
When the line voltages of a polyphase motor induction motor are not equal, unbalanced currents in the stator windings will result. A small percentage voltage unbalance will result in a much larger percentage current unbalance. Consequently, the temperature rise of the motor operating at a particular load and percentage voltage unbalance will be greater than the motor operating under the same conditions with balanced voltages. NEMA Standards MG 1-1998, 12.46 recommends against operating a motor with a voltage unbalance greater than 1%. This will increase operating temperature, vibration, nuisance trips and failures.
What happens if you under power an electric motor you have a 3 hp single phase motor that requires 39A but your generator only outputs 23.2A?
If you make the connection, the breaker on the generator will trip. The motor will not get up to running RPM. Check and see if the motor is dual voltage. If it is, run it on the higher voltage. This will reduce your run current to about half of what it is on the lower voltage.
Can you run a 7.5 hp 3 phase motor on solar energy?
The output from solar panels is a d.c. voltage which, using an inverter, is converted into an a.c. single-phase voltage. So under normal conditions, the answer would be no.
Principle and working of single phase induction motor?
Will the principle operation is very complex and would require a fair amount of reading in a text book. But the simple operation of a split phase motor is when a single phase motor has two windings. The main operating winding a and auxiliary winding used to create a rotating magnetic field. The main winding is large wire with lots of turns so under locked rotor conditions it is seen as a large inductive reactance and the aux. winding the smaller wire with fewer turns so it is seen a mainly resistive. This 90 degree phase shift is used to produce more starting torque. If a resistive split phase motor aux. winding is switched out shortly after starting. The aux. winding can also be phase shifted by using a capacitor installed in series with it. This is in the case of capacitor start and capacitor run motors.
What does a Rotating magnetic field do?
The Field which is continuously rotating with a particular axis is known as rotating magnetic field. It will be created in Three phase induction motor's stator. When the supply is given to stator of three induction motor, the flux of each phases (that are displaced by 120 degrees) will interact. Due to this the resultant Field will be rotating Magnetic Field will be Produced.
What is an inducting motor?
induction motor has two control system one is stator control another rotor control And it comes under the category of asynchronous motors. The term induction is because the rotor of an a.c motor does not receive the electric power through conduction but by induction same as the secondary of the transformer receives the power from primary. And so an induction motor can also be called as a rotating transformer i.e. one in which primary is stationary and secondary is free to rotate.
What is the cause of fluctuation in amps and pf in a 6000hp syncrhonous motor?
When the line voltages of a polyphase motor induction motor are not equal, unbalanced currents in the stator windings will result. A small percentage voltage unbalance will result in a much larger percentage current unbalance. Consequently, the temperature rise of the motor operating at a particular load and percentage voltage unbalance will be greater than the motor operating under the same conditions with balanced voltages. NEMA Standards MG 1-1998, 12.46 recommends against operating a motor with a voltage unbalance greater than 1%. This will increase operating temperature, vibration, nuisance trips and failures.
What happens to a dc motor when it is run under voltage?
Not much, but it depends on the load and the cooling.
What type classification would a motor with copper bars in the rotor fall into?
although this is not a chemistry question I do have an answer for you. A motor with copper bars is classified as a shaded pole motor. They are low torque motors and do not require any capacitors for run or start functions. hope that helped
What happens if you under power an electric motor you have a 3 hp single phase motor that requires 39A but your generator only outputs 23.2A?
If you make the connection, the breaker on the generator will trip. The motor will not get up to running RPM. Check and see if the motor is dual voltage. If it is, run it on the higher voltage. This will reduce your run current to about half of what it is on the lower voltage.
What will happen if you stop the rotor and supply is continue in induction motor?
This is done under blocker rotor test of induction motor in which the rotor of the motor is stopped by some external mechanical means and the supply is increased slowly from the autotrasformer until the rated motor current is reached and the V , I ,W readings are taken . As the rated current flows the winding temperature increases but upto rated current this temperature rise is within the safe limits . In the blocked rotor condition the rated current is achieved at around 20-25% of the rated supply voltage . If we further increase the voltage then the current flowing is more than it's rated or permissible value so windings get dengerously hot and they get burnt or damaged .
Why does under voltage cause overheating?
Overheating is a result of too much current flowing. AC motors are constant power devices, meaning they require the same amount of power to spin under a specific load. Power is equivalent to voltage times current. If voltage to a motor sags, the motor will attempt to make up the lack of voltage with an increase in current so the power stays the same. If voltage sags too much, the motor will overheat.
When servicing a 2 hp motor your amp reading is 3.10 amps what voltage is the motor operating under?
It depends on whether the motor is run on load or whether it's running light.
Where is the 2004 lesabre blower motor resistor?
blower motor resistor may be located in the blower motor housing, under dash on passenger side, motor brushes may be the issue rather than the resister, suggest check voltage to motor...
Where is the blower motor resistor on a 2004 buick lesabre?
blower motor resistor may be located in the blower motor housing, under dash on passenger side, motor brushes may be the issue rather than the resister, suggest check voltage to motor...
1987 Jeep Cherokee heater will not blow?
First check fuse under dash. Then check voltage to blower motor. Then replace resistor under glove compartment. Then move to switch behind dash panel. Then blower relay if no voltage.
The ac-heater blower motor stopped working on your 1998 Pontiac Bonneville SE - What could be wrong?
check for voltage at the blower motor on all settings. if no voltage check the blower motor resistor or relay. if it has a resistor it will be right beside the blower motor, if it has a relay it will be the relay on the firewall under the hood.it will probably have a purple,orange,blue,and black wires.
