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What will happen if twice the rated voltage is applied to a DC motor?
Wiki User
∙ 12y ago
I wouldn't t reccomend twice the voltage but dc motors can run at 150% rated voltage for up to a minute with no adverse effects. That being said it shouldn't be a regular practice and it will definately need to cool off under less load between bursts. Typical use of this application would be in an electric vehicle more like a bicycle or a go kart.
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoshort circuit
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What will happen to the transformer if double the rated voltage is applied to the winding during the open circuit test?
no voltage will be induced on the secondary side of the motor as the windings will become saturated.
How are motor start capacitors rated?
Motor start capacitors are rated with two main values. One is capacitance in micro farads and the other is in voltage.
Effect of under voltage on induction motor?
if it is a three phase motor it can be run an the single phase mains but it woild require a hand start in either direction, if you put a capacitor on line two and three and the live and neutral on line one and two then it should work
What is rated insulation voltage?
Rated insulation voltage is the maximum voltage that can be applied to the insulation of an electrical device without causing a breakdown or failure. It is a measure of the insulation's ability to withstand high voltage without impacting its performance or safety. The rated insulation voltage is typically specified by the manufacturer and is an important parameter to consider when designing or selecting electrical equipment.
What will happen if induction motor is in star-star connected?
If a motor is connected in a star configuration it will operate at a slower speed. This is the working process that a star delta starter operates on. At first through the starter the motor starts in the star connection. When the motor gets up to its highest speed in that connection it times a timer out , the star starter drops out and the delta starter pulls in and then connects the motor in the delta connection. This allows more voltage to be applied to the motor and it then speeds up to its nameplate rated RPM.
What will happen to the transformer if double the rated voltage is applied to the winding during the open circuit test?
no voltage will be induced on the secondary side of the motor as the windings will become saturated.
What will happen to a motor if it is supplied with lower voltage than its rated voltage?
The amperage to the motor will go higher.
What will happen to the transformer if the rated voltage is applied to the winding during short circuit test?
the winding would burn....
What is base speed?
The base speed of a DC motor is the speed at which it operates while delivering rated torque with rated armature voltage and field current applied.
How do you connect motor by star delta starting?
starter is used to limit the starting current to save the motor. for star-delta first star mode is enabled so the applied voltage is reduced to safe value after the motor catches the rated speed the mode is changed to the delta mode. hence the full supply voltage is applied to the motor.
What is meant by rated voltage?
the voltage which is mainly applied to primary side of the transformer is called rated voltage.Answer'Rated voltage' is the nominal voltage at which an electrical device has been designed to operate.
Will a 240 50Hz run on 220 60Hz?
It's OK but if it's a motor it might run 20% faster. It will run faster by 10 Hz and will tend to take more current to deliver the rated KW load, since the rated voltage is 240 but applied voltage is 220Volts
When a light bulb is rated for 3.2 V does that mean that is the maximum operating voltage OR the minimum operating voltage OR or the optimum operating voltage?
When a light bulb is rated for 3.2 V it means that it is the maximum operating voltage to be applied to the bulb.
How are motor start capacitors rated?
Motor start capacitors are rated with two main values. One is capacitance in micro farads and the other is in voltage.
What is meant by rated voltage rated current and rated power of a transformer?
The ratings state the limits on voltage and current for operating the transformer at full load. The rated voltage times the rated current gives the rated VA of the transformer. Transormers are not usually rated directly for power because this depends on the power factor of the load applied.
How do you change operating voltage of metal halide lamp from 240 to 120?
The lamp needs to be rated for the voltage applied to it. The fixture in which the lamp is installed also needs to be rated for the voltage. So, it is not a matter of changing the lamp, it is a matter of having the fixture and lamp that are properly rated for the voltage that you are applying to it.
Why do several 40watt and 220volt lamps not light to full brilliance when in series?
To get full brightness, the rated voltage has to be applied across the bulb. When several bulbs are connected in series, the voltage gets devided among these sevral bulbs and correct rated voltage will not be applied acros each bulb, hence the brightness reduces.
