10% off filters when purchased with a drive

Yaskawa GA700 Inverter

Performance that is superior to the A1000 and with many exciting new features.

Improved motor control and improved (up to 6%) efficiency.

Available ratings, 0.55 to 630kW in 400v series. We are taking orders now for inverters up to 132kW. Inverters from 160kW to 315kW will be available from February 2017 and the largest inverers will be released at the end of 2017.

The GA700 is also available in three phase 200v input, ratings from 0.55 to 110kW.

Reduced panel space required. Drives can be mounted side by side without gap and up to 75kW can be mounted horizontally. Reduced size compared to A1000, up to 50% on some models. EMC filters are built –in, braking transistors built-in up to 75kW, DC reactors built-in over 22kW. Included features such as SIL3 STO and DriveWorks EZ can also reduce component count.

All major networks supported, EtherNet/IP, Modbus, EtherCAT, Ethernet Powerlink, ProfiNet, ProfiBus, CAN Open, DeviceNet, CC-Link, Mechatrolink and Memobus. Up to 5 drives can be controlled through one network option card.


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VIPA - the art of automation

How does an inverter work?

An inverter when used in the context of motor speed control can also be known as a variable frequency drive (VFD). It essentially generates a varying frequency three phase AC voltage to effect a change in the speed of a motor. It achieves this by converting the incoming power supply into a DC voltage and then generating a three phase AC voltage from this DC supply. The development of electronics since the manufacture of the first semiconductors has seen the speed and processing power increase enormously which has made it possible to, not only digitally synthesise the required AC frequency for any given speed of the motor but to also analyse the motor current and rotor position.

Why is it called an inverter?

The term inverter only relates to the final part of the VFD's electronic architecture, the part that converts DC voltage to AC. There is no clear technical reason for the use of the term 'inverter' as it is generally believed to refer to the inversion of the early mechanical process of converting AC voltage to DC, sometimes referred to as an 'inverting converter'.

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