ABB's wound rotor motors are best suited to the most demanding applications. Where a high starting torque is required or a high inertia load needs to be started, then ABB's slip ring motors are the right choice allowing successful operation on weak networks with their very low starting current demand. These motors can also be matched to variable-speed drives and provide high torque output throughout the entire speed range. Building on over 125 years of design experience and application expertise, ABB is one of the world's leading high-voltage wound rotor induction motors manufacturers. Today our products are widely used within building material industries in the Cement, Mining, and Minerals industries, but they are best suited to pumps in Water Utilities and Water Works. Our unrivaled manufacturing heritage and track record of building close partnerships with our customers offer you a genuine competitive advantage. At the same time, by continuously developing and incorporating the most advanced design, analysis, and manufacturing technologies for all components, we also optimize your operating efficiency and ensure total reliability. These carefully designed and ruggedly constructed motors with fully braced and vacuum pressure impregnated (VPI) Stator and rotor windings are made for heavy-duty operation. The very high-efficiency level of ABB's wound rotor motors is mainly achieved by the effective use of high-quality materials, advanced ventilation technology, and the most sophisticated computer programs for motor design. This high-efficiency level enables considerable energy savings during the entire lifetime of the motor and reduces the cost of ownership.
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