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Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Inverters bring new life to general purpose market

Inverters bring new life to general purpose market Yaskawa makes some bold claims of its new V1000 inverter, not least of which is a field-failure rate of less than 1 in 10,000, half the number of the already impressively reliable V7 inverter that it replaces. Further, by focusing on the key components that are most likely to fail over time, Yaskawa asserts that the drive has been designed to deliver a ten year lifespan. These days, any new inverter in this market has to be compact, offer side by side mounting, be easy to install and feature built in filters, and the V1000 delivers in all these areas. But some of its performance features are particularly impressive. Where most inverters offering vector control offer the voltage vector variant, the V1000 uses current vector control, delivering improved speed control accuracy, a 1:100 speed control range, and 200 percent torque at 0.6Hz. It also offers the ability to drive both permanent magnet motors and standard induction motors. When used with permanent magnet motors, an interesting feature is the drive's ability to recover from momentary power failures, using a technique for which Yaskawa has filed a patent application. Further, a new concept for the hardware design means that, for normal duty applications, you could comfortably derate the inverter, using for example a 2.2kW V1000 to drive a 3kW motor.

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