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Changli high‑voltage modular induction motors support extensive power coverage and exceptional starting performance, delivering outstanding reliability, uptime, and energy efficiency for the most demanding industrial applications. Featuring highly adaptable modular design, these motors serve a wide range of industrial sectors including chemical, metallurgy, mining, cement, and pulp & paper industries. Multiple cooling configurations are available to accommodate diverse site conditions and customized project requirements. Engineered for simplified installation and full lifecycle maintainability, our high‑voltage modular motors support both DOL (direct‑on‑line) and VSD (variable speed drive) operation, ensuring flexible, cost‑effective industrial operation.
Changli high‑voltage slip ring (wound rotor) motors are engineered for maximum versatility and energy efficiency for heavy‑duty industrial operation.
Supporting power ratings up to 23 MW and voltage levels up to 13.8 kV, with pole configurations ranging from 4 to 16 poles, this series features versatile cooling solutions and compatibility with both DOL and VSD operation.
Built with robust fabricated steel housing, premium antifriction or sleeve bearings, and IP55 to IP66 high-level protection, these motors deliver exceptional operational stability and extended service life, even under harsh and demanding working conditions.
Q1: What are high-voltage slip ring motors?
A1: High-voltage slip ring motors, also known as wound rotor motors, are heavy-duty industrial motors purpose-built for rigorous industrial operating conditions. They deliver superior starting torque, stable and reliable performance, and versatile operation, making them ideal for core industries such as chemical processing, metallurgy, mining, cement manufacturing, and pulp & paper production.
Q2: What applications are Changli high-voltage slip ring motors suitable for?
A2: These motors are perfectly suited for industrial scenarios that demand high starting torque and steady energy-efficient operation. Their primary application fields include chemical plants, metal and steel processing, mining facilities, cement production lines, and pulp & paper manufacturing systems.
Q3: What are the core advantages of Changli high-voltage slip ring motors?
A3: This motor series boasts multiple industry-leading strengths: a broad power coverage range, outstanding heavy-load starting performance, and exceptional operational reliability that effectively reduces unplanned downtime. It supports fully customizable design to fit unique project needs, and is compatible with both DOL (Direct-On-Line) and VSD (Variable Speed Drive) operating modes.
Q4: What cooling solutions are available for these motors?
A4: To adapt to diverse on-site environments and operational demands, our high-voltage slip ring motors support two professional cooling systems: air-to-air cooling and air-to-water cooling, ensuring stable and efficient motor operation under various working conditions.
Q5: What mounting methods and protection grades do these motors offer?
A5: The motors support flexible horizontal and vertical mounting options. They adopt durable fabricated steel enclosures with multiple protection grades ranging from IP55 to IP66. In addition, both antifriction bearings and sleeve bearings are available for selection, matching different application requirements.
Q6: What maintenance and quality assurance services are provided?
A6: Designed for easy installation and low routine maintenance, our motors are backed by full-lifecycle professional after-sales support. All units undergo strict online Factory Acceptance Testing (FAT) before delivery, ensuring stable performance and reliable quality for field operation.
Product Overview Changli modular high-voltage induction motors are engineered to satisfy power and operational requirements for global industrial facilities. Featuring superior starting characteristics, top-tier energy efficiency and exceptional long-term reliability, they are perfectly suited for heavy-duty working conditions across chemical, metallurgical, mining, cement, pulp and paper industries. Built with a modular framework, this motor series covers an extensive power spectrum and supports highly flexible customisation to match unique client specifications. Equipped with multiple advanced cooling solutions and engineered for straightforward installation and servicing, the units run seamlessly with both direct-on-line (DOL) starters and variable speed drives (VSD).
High voltage induction motors
High voltage induction motors
Founded in 1946, Changsha Changli Electric Co., Ltd. is a leading electric motor factory and a TOP 10 electric motor manufacturer in China. We manufacture and deliver asynchronous motors with squirrel cage or slip ring rotors, synchronous motors, explosion proof motors, tailor-made motors, etc. Power output: 0.55KW to 20MW Voltage: 380V to 13.8KV Frame size: 80mm to 1120mm
