Harmonic Free Magnetic (FCMA) Soft Starters For Large Capacity High Voltage Induction And Synchronous Motors Driving Pumps And Compressors
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Most of the water supply schemes use electrical power in large quantities. As such, optimization is needed for reducing life cycle cost of the entire establishment in terms of capital cost, minimum downtime, and maximum availability. It is also important to avoid disturbances in the power system in terms of overloading and other harmful effects like voltage and frequency dips and harmonics. The large pumps, in many water systems, are driven by induction and synchronous motors. These motors pose a problem of high starting currents leading to voltage dips, large thrust on pumps, and jerks on equipment affecting the life of the system adversely. This paper deals with innovative magnetic soft starters based on flux compensation technology (FCMA). The use of FCMA helps in optimizing power systems, increasing the life of components and reducing the capital cost and maintenance expenditure of pumping systems. It also assists in enhancing motor efficiency. This technology has been successfully implemented for about 600 MW motor power in the pumping sector.
Deo, Prafulla; Gowaikar, Mohan N. (2005). Harmonic Free Magnetic (FCMA) Soft Starters For Large Capacity High Voltage Induction And Synchronous Motors Driving Pumps And Compressors. Texas A&M University. Turbomachinery Laboratories. Available electronically from