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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q517 - Electrical, Electronic, & Control Engineering
311. What type of control circuit logic is featured in the electrical schematic diagram for the motor starting circuit shown in figure «B» of the illustration
The circuit utilizes a 3-wire control with a holding contact, preventing automatic restart after a power loss and requiring manual re-starting, which defines low voltage protection.
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