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Star delta circuit diagram is used to control the starting current of a motor.
It is used to reduce the starting current of a motor.
It consists of three contactors, a timer, and a motor.
During starting, the motor is connected in star configuration to reduce the voltage across each winding.
After a set time, the motor is switched to delta configuration for normal operation.
It is commonly used in industrial applications.
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Earthing is the process of connecting electrical equipment to the earth to prevent electric shocks and ensure safety.
Earthing provides a path for fault current to flow safely into the ground.
It helps in protecting both humans and equipment from electrical faults.
Earthing is essential in electrical installations to maintain proper functioning and safety.
Examples of earthing systems include TN-C, TN-S, TT, and IT systems
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