Reliable Motor Control for Water & Wastewater Systems

Water Pumps

Soft Starters for Water Pumps

Water and wastewater pumping systems require reliable motor control to protect both electrical and hydraulic equipment. Every motor start and stop affects not only the pump, but also the pipelines, valves, and the entire fluid system. Choosing the right starting method helps improve reliability, reduce maintenance, and extend equipment life.

The Challenges of Conventional Starting

A conventional pump starter or direct-on-line (DOL) starter applies full voltage and starting torque almost instantly. As a result, the motor draws high inrush current while the hydraulic system experiences pressure surges, commonly known as water hammer. Over time, these repeated stresses increase wear on pumps, pipelines, valves, and motors, leading to higher maintenance costs and reduced system reliability.

Why Use a Soft Starter?

A pump soft starter gradually increases the voltage supplied to the motor during startup, reducing inrush current and starting torque. Consequently, hydraulic shock and mechanical stress are minimized, resulting in smoother operation, improved process reliability, and longer equipment life. Whether used with centrifugal, submersible, or sewage pumps, a soft starter for pumps provides controlled starting and stopping while helping protect the entire pumping system.

Designed for Water & Wastewater Applications

Solcon-IGEL develops soft starters for pumps with integrated pump control algorithms for demanding applications including municipal water supply, wastewater treatment, desalination plants, boreholes, and generator-fed installations. Advanced digital control and integrated motor protection ensure reliable operation even under fluctuating voltage and changing load conditions.

Special Functions

  • Reduced inrush current & mechanical shock
  • Smooth, step-less acceleration & deceleration
  • Unique soft starting and stopping characteristics
  • Heavy duty, fully rated design
  • Sophisticated motor protection package
  • Ease of installation and operation
  • Preparation for harsh environmental conditions
  • Prevention of over pressure & water hammer

Typical Applications

  • Water pumps
  • Drainage pumps
  • Vertical hollow shaft pumps
  • Submersible pumps Powered by diesel generators (low mains power)

Products for Water & Wastewater

Case Studies

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Soft Starters for Water Pumping in Taipei Financial Center
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For any questions and further information

    Solcon-IGEL is a developer and manufacturer of soft starters, heat control systems, and motor control and protection solutions for heavy industry.
Our power electronic technologies are engineered for reliable operation across a wide range of industrial motor applications worldwide.