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Varispeed G7

The Varispeed G7 Yaskawa variable speed frequency inverter drive was market leading when it was introduced with a sophisticated design to allow for trouble free use in areas where other inverters failed. It had 3 level control architecture. The Varispeed G7 is no longer a current model and has been supersede by the A1000 series.

Please contact us +44 (0)151 33 44 555 for advice on replacement equivalents and transition guides.

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What is an “inverter”?

AC Inverters are devices for controlling motor speed by converting a DC voltage generated from your connected power supply to a varying frequency AC voltage which can control the speed of the connected motor. The development of semiconductor technology and the processing power of modern microprocessors have enhanced AC inverter drive performance significantly. When applied to industrial and environmental applications, they have improved productivity, reduced energy needs and made a huge contribution to the development of the motor control industry. They  have also brought about a substantial change to our lives. For example, airflow from air-conditioners, speed of elevators, pumps and fans can all be regulated by changing motor speed.  By regulating the speed, energy consumption is reduced which contributes to energy conservation.

Not sure that it is an Inverter you need? Inverters are called by different names and so it can be confusing, but essentially if you are looking for electronics to control the speed of an AC motor then it is likely that you are looking for an Inverter which can also be known as a Variable Frequency Drive (VFD), Variable Speed Drive (VSD), AC Drive, AC inverter drive, Frequency Converter or AC motor speed controller.

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