## What is 50Hz, 60Hz?

Alternating current (AC) is changing the direction of the current periodically; Cycle is the time of a cyclical change of the current; Frequency is the times of the current changes per second, unit Hertz (Hz). AC current direction changes 50 or 60 cycles per second, in accordance with 100 or 120 changes per second, then the frequency is 50 Hertz or 60 Hertz.

50 Hz and 60 Hz power sources are most often used in international power systems. Some countries (regions) commonly use 50Hz power gird while other countries use 60Hz power grid, but some appliances are not designed for both frequency operation. Then it comes with Frequency Converter.

## How to change 60Hz to 50Hz?

Frequency converter can convert fixed frequency (50Hertz or 60Hertz) AC power to variable frequency, variable voltage power through AC → DC → AC conversion, output pure sine wave, and adjustable frequency and voltage. It is different with variable frequency drive which is special for motor speed control only, and also different with ordinary voltage stabilizer. Ideal AC power supply is stable frequency, stable voltage, resistance is approx zero and the voltage waveform is pure sine wave (without distortion). Frequency converter output is very close to the ideal power supply, hence, more and more countries use frequency converter power supply as a standard power source in order to provide the best electrical power supply environment for appliances to estimate their technical performance.

By using a frequency converter, you can convert both 60Hz to 50Hz and 50Hz to 60Hz for home appliances, it is also a voltage converter for changing 110V to 220V.

## Comments

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Nice, but too bad you don't have a variable one that puts out about 10 watts so I can slow down my antique clock that is running too fast.

Carl Danner

11521 Peninsula Park Drive

Bakersfield CA 93311

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my E-MAIL:TANZEEL95@LIVE.CO.UK

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I have a water pump motor that needs 230 V, 50 Hz, 20 watts and LED that also need 230 V, 50 Hz, 120 watts... The standard Frequency here in the Philippines is 60 Hz. The Problem is Frequency Transformer ( is not available locally. Can i use VFD for these equipment?

Input:

230 V, 60 Hz

Output:

230 V, 50 hZ

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I have refrigerator made by samsung its 60 hz i wint to change it to 50hz. Can i do this convert and how?

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In some 50/60 Hz transformers I have seen, as the frequency increased by 20% so does the need for the voltage. 11kV at 50Hz may equal 13.2kV at 60Hz. And secondary side of 400V at 50Hz would become 480V at 60Hz.

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