What is a starter PTC?

A PTC (Positive Temperature Coefficient) relay is a starting device for refrigeration compressors. It is responsible for feeding the starter winding for a short time to help start the refrigerator…

What is a solenoid?

A magnet is a coil of insulated wire that is wound on a rod-shaped form made of solid iron, solid steel or iron powder and generates a magnetic field when…

What makes sensors work?

Most sensors use radiation such as light or laser, infrared waves or other waves such as ultrasonic waves to detect objects and changes in their surroundings. They can do this…

Is the transformer an electric machine?

Machines: motors are machines (single electrical component), computer are machines (no moving parts). Therefore: what is a machine? need not consist of several parts, no need to have moving parts….

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