What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

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why dimmerstate always connected in star connection? what will happen if it connected in delta?

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why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

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c++ write a program to use a fuction call "max"which accepts an intger arrey of size5.as an arrument and return the larger and smallest of the arrey to main without changing. the original changing of the original position of the element of the arrey.

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which supply is used in traction system

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when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

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what is the difference between relay, contactor

4 Answers   BRSS, Vishay Intertechnology,

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How to model two generators into a single generator ? Eg. two generators connected to a bus, would like to model it as a single generator connected to a bus.

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why we are useing capciter in EB meter?

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why tertiary winding is used in transformer with diagram?

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if the stetor speed (N S) increase by 20% then the rotor speed will be increased by 20% is it true. ?

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why mosquito bat makes noise when it hits with a insect?

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