What is the relationship between series wound motors?
A series wound motors has linear relationship existing between the field current and the amount of torque produced. i.e. torque is directly proportional to current over the entire range of the graph.
Can a compound wound DC motor be used?
A compound wound DC motor combines the design of both shunt and series wound DC motors into one. The result is good speed regulation and a high starting torque. However, the speed is not quite as well regulated as a shunt wound motor, nor is the torque quite as high as a series wound motor.
Why is a series wound DC shunt motor useless?
Because if its run for too long, the high series current might burn out the series field coils thus leaving the motor useless. Unlike in the case of a DC shunt motor, the DC series motor has very poor speed regulation. i.e. the series motor is unable to maintain its speed on addition of external load to the shaft. Let us see why?
What kind of current does an universal electric motor use?
Universal Electric Motor. A Universal Electric Motor is designed to operate on either alternating current or direct current (AC/DC). It is a series wound motor. It is provided with a field winding on the stator which is connected in series with a commutating winding on the rotor.
What is the electrical layout of a series wound DC motor?
The electrical layout of a typical series wound DC motor is shown in the diagram below. Let the supply voltage and current given to the electrical port of the motor be given by E and I total respectively. Since the entire supply current flows through both the armature and field conductor.
How did the shunt wound DC motor get its name?
Series Wound DC Motor or DC Series Motor. A series wound DC motor like in the case of shunt wound DC motor or compound wound DC motor falls under the category of self-excited DC motors, and it gets its name from the fact that the field winding in this case is connected internally in series to the armature winding.
What kind of electric motor is 1 / 3 hp?
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Universal Electric Motor. A Universal Electric Motor is designed to operate on either alternating current or direct current (AC/DC). It is a series wound motor. It is provided with a field winding on the stator which is connected in series with a commutating winding on the rotor.
