what is EMI motors? And expalin
Answers
Explanation:
EMI motors consists of undesirable voltages and currents that reach the affected device either by conduction through the power lines or by radiation through the air and cause the device to exhibit undesirable performance.
Many motors are used in sensitive applications that require that specific limits of radiated or conducted electromagnetic interference not be exceeded.
Electromagnetic interference (EMI), sometimes referred to as radio-frequency interference (RFI), is a phenomenon which can directly or indirectly contribute to a degradation in performance of electronic receivers or systems. EMI consists of undesirable voltages and currents that reach the affected device either by conduction through the power lines or by radiation through the air and cause the device to exhibit undesirable performance.
AC induction motors do not generally have any EMI problems unless they are powered by some type of electronic drive.
Mechanically commutated motors and electronically controlled motors may emit significant amounts of EMI. The emissions are regulated by various governmental agencies throughout the world. The International Electrotechnical Commission (IEC) has three technical committees (TCs) that work on EMI standards. They are the International Committee on Radio Interference (CISPR);TC77, which is concerned with electromagnetic compatibility (EMC) of electrical equipment; and TC65, which is concerned with immunity standards. The CISPR 10 and CISPR 23 standards are results of the committee’s work.
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