[Answer] Why Should a Dc Series Motor Be Started with a Load?
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Why Should a Dc Series Motor Be Started with a Load?
A DC series motor should always be started with a load because it will rotate at an unsafe speed without one. Important: When the motor is connected to the supply mains without a load, it draws a small current from the supply lines.
Why a DC series motor should always be started on load?
There is no back emf when the motor starts, so large current current flows result in high starting torque. This starting torque causes the motor to accelerate very quickly if the shaft is not connected to any load. This rapid acceleration causes motor damage. So, series motors are always started with a load.
Which motor should be started on no load?
To avoid this high starting current, shunt motors should not be started under heavy loads, but rather without any load.
Why starters are required to start DC motors in?
Starters are used to protect DC motors from damage caused by excessive current and torque during startup. They accomplish this by providing external resistance to the motor, which is connected in series with the motor’s armature winding and limits the current to a safe level.
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