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Walli Bhatti
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how autotransformer can be used as a starter for 5000hp motor voltage rating 11kv, as autotransformer has the tap rating of 50, 65, 80 prcnt
Walli Bhatti said:how autotransformer can be used as a starter for 5000hp motor voltage rating 11kv, as autotransformer has the tap rating of 50, 65, 80 prcnt
berkeman said:Why do you ask?
http://en.wikipedia.org/wiki/Korndörfer_autotransformer_starterWalli Bhatti said:how autotransformer can be used as a starter
An autotransformer is a type of electrical transformer that consists of a single winding and is used to step up or step down voltage. As a starter, it works by providing a variable voltage to the motor, allowing it to start and run smoothly.
Compared to other types of starters, such as direct-on-line starters, autotransformers are more energy-efficient and produce less voltage drops. They also have a smaller physical size and are more cost-effective.
One of the main advantages of using an autotransformer as a starter is that it can provide a smooth start-up for the motor, reducing the stress on the motor and extending its lifespan. It also allows for a more precise control of the motor's speed and can save energy in the long run.
One limitation of using an autotransformer as a starter is that it cannot provide protection against overloads or short circuits, so additional protective devices may be needed. It also requires careful sizing and selection to ensure compatibility with the motor and the load.
An autotransformer can be used as a starter for a variety of applications, including industrial machinery, pumps, fans, and air compressors. It is also commonly used in HVAC systems, elevators, and other motor-driven equipment. Its versatility and energy efficiency make it a popular choice for many different types of motors.