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Technical guides, application notes and product comparisons — written by engineers, for engineers. Get expert answers on VFDs, soft starters and power supplies.

10 kV Soft Starter on a Centrifugal Compressor: CMV-750-10 Case

A CMV-750-10 medium-voltage soft starter starts a 10 kV, 52 A, 4-pole centrifugal compressor with 45% initial voltage, 3.5× current limit and a 15 s ramp — smooth acceleration without MV bus disturbance.

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See how our drives and power supplies deliver measurable results in water treatment, HVAC, mining and more.

10 kV Soft Starter on a Centrifugal Compressor: CMV-750-10 Case

A CMV-750-10 medium-voltage soft starter starts a 10 kV, 52 A, 4-pole centrifugal compressor with 45% initial voltage, 3.5× current limit and a 15 s ramp

XFC550 VFD on a High-Speed Disperser: Paint and Ink Application

The XFC550 VFD on a 7.5 kW high-speed disperser gives terminal start/stop, a 0–10 V speed signal, 10 s accel/decel and V/F control — steady shear

XFC500 VFD on a Rebar Cage Winding Machine: Application and Advantages

The XFC500 VFD on a rebar cage winding machine delivers wide speed range, smooth soft start, strong low-frequency sensorless torque, AVR grid adaptation and RS485 PLC

9 Benefits of a Variable-Frequency Constant-Pressure Water Supply System

A variable-frequency constant-pressure water supply system saves 20–40% energy, removes water hammer with soft start/soft stop, and supports unmanned, networked pump-station monitoring.

Starting a Centrifugal Fan with a Soft Starter: Start Modes, Benefits and Commissioning Steps

How a soft starter starts a centrifugal fan: adjustable 6–120 s ramp, linear torque matching fan load, lower inrush and mechanical stress, plus commissioning checks and

Soft Starter Application in Fan Auxiliary Systems: Barring Motor, Lube and Hydraulic Pumps

Soft starter application in fan auxiliary systems: kick start for the barring motor, voltage control for standby lube and hydraulic pumps, bypass wiring for maintenance, and

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