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When dc motor run full torque at low speed. Armature current is high and field current is set to max to get the torque. When motor is field weaken then temperature decrease at same cooling air flow
Wiki User
∙ 12y ago
Wiki User
∙ 12y agofull speed no load
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Lock rotor most likely cause of electric motor overheat?
If the motor's shaft will not turn (is locked) because maybe its bearings have seized - up or the thing it is driving has got damaged so it won't allow the shaft to turn, the motor will overheat in short-order.
What is the overheating voltage of an electric motor?
Motors overheat due to excessive current, not necessarily voltage. Normal voltage can cause a motor to overheat if it is stuck (not spinning). The problem is not usually the voltage, but whatever is causing excessive current flow (usually because the motor is not spinning like it is supposed to).
Causes for a brand new AC capacitor start motor to overheat and shut off?
Two reasons could be that the motor was wired incorrectly or the load that the motor is driving is too heavy for the HP of the motor.
What is stall condition of motor?
Stoll condition of a motor or Stall torque is the torque which is produced by a device when the output rotational speed is zero. It may also mean the torque load that causes the output rotational speed of a device to become zero - i.e. to cause stalling.Stalling is a condition when the motor stops rotating.This condition occurs when the load torque is greater than the motor shaft torque i.e. break down condition.In this condition the motor draws maximum current but the motor does not rotate.The current is called as Stalling current.
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.
Can continued cranking overheat your starter motor?
more than likely u fried the starter solenoid
Lock rotor most likely cause of electric motor overheat?
If the motor's shaft will not turn (is locked) because maybe its bearings have seized - up or the thing it is driving has got damaged so it won't allow the shaft to turn, the motor will overheat in short-order.
Why would a gasoline motor overheat?
Friction
What is the horn noise on a 1976 85hp Evinrude outboard motor?
On the 1976 model, 85 hp Evinrude, the overheat circuit is the only alarm system on the engine. Check the temperature on each head, due to independent thermostats, for an overheat condition.
Would the motor overheat if you bypassed the rear heater unit?
No
Can you drive a truck with out a fancluch and fan with out tearing up the motor 95 dodge dakota 5.2L 318 v-8?
It will overheat at idle.It will overheat at idle.
Why does your 99 Honda civic dx overheat when stopped?
More than likely the cooling fan is not working. Can be a blown fuse, defective fan motor, or defective temperature sensor relay.
Can you be fined for operating a motor vehicle without a speedometer?
no However, you will very likely be fined for speeding, for not knowing what speed you are going without a speedometer!
Can motor overheat be caused by poor power factor correction?
yes it doesent
What would make your passenger side manifold overheat on a 1995 Chevy caprice lt1 motor?
You need to take it to a Repair shop and have them scan the computor. A lean condition will cause it and will also damage the catalytic converter.
What is the overheating voltage of an electric motor?
Motors overheat due to excessive current, not necessarily voltage. Normal voltage can cause a motor to overheat if it is stuck (not spinning). The problem is not usually the voltage, but whatever is causing excessive current flow (usually because the motor is not spinning like it is supposed to).
What would cause a 240 ford motor to overheat?
A stuck or incorrectly installed thermostat.
