We first use the DC gearmotors, when the speed will be how to worry, today, China Star for everyone to explain the following several speed mode.
1. Can directly use the regulator to change the input voltage regulation, adjust the power supply voltage can be on the DC gearmotors speed regulation, commonly used in kilowatts level motor.
2. SCR phase shift speed tens of kilowatts to several hundred kilowatts level motor speed.
3. Pulse width regulation of tens of watts to several hundred watts level motor speed.
4. Change the position of the brush motor speed motor.
5. Change the armature loop resistance can also be speed.
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