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Once the proper motor is selected, understanding the many various control devices available and their uses and limitations becomes an important part related to reliable operation and protection of the motor and the personnel using the motor. |
Motor Control Topics |
There are four major motor control topics or categories to consider. Each of these has several subcategories and sometimes the subcategories overlap to some extent. Certain pieces of motor control equipment can accomplish multiple functions from each of the topics or categories. |
C The four categories include: |
1) Starting the Motor |
Disconnecting Means Across the Line Starting Reduced Voltage Starting |
2) Motor Protection |
Overcurrent Protection Overload Protection Other Protection (voltage, phase, etc) Environment |
3) Stopping the Motor |
Coasting Electrical Braking Mechanical Braking |
4) Motor Operational Control |
Speed Control Reversing Jogging Sequence Control |