Severn Drives & Energy (SDE) were tasked to supply a Variable Speed Drive (VSD) to Hayward Tyler as an integral part of their in-house test bay, which has been designed to test motors up to 6,000RPM.

The 6Mega Watt (MW) VSD is designed to start a permanent magnet motor from stationary, without a motor shaft encoder and have the capability of dealing with extreme motor conditions such as an over-speed test of 6,600RPM for 2 minutes.

The challenge for SDE was to satisfy the full specifications and capabilities of the VSD required for the test bay in the limited lead time available, to ensure that the testing could be completed to the agreed customer schedule.

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