Changli high voltage modular induction motors allow industries to operate within a wide power range and with great starting performance. High voltage modular induction motors offer also high reliability, availability and efficiency in demanding applications.
Our modular induction motors can be optimized for a wide range of applications and are typically used in industries like chemical, metal, mining, cement as well as paper and pulp. Modular induction motors have several cooling options to meet industries as well as customers’ specific requirements.
Our modular induction motors are easy to install, and Changli’s service makes maintenance easy throughout product lifecycle. Modular induction motors are available for both direct on line (DOL) and variable speed drive (VSD).
Product Overview
Our high voltage slip ring motors from Changli Electric are engineered for maximum versatility and efficiency. As part of our Wound Rotor Slip Ring Motors line, they are designed to handle a wide range of power outputs up to 23MW and voltages up to 13.8 kV. With multiple pole configurations (4–16 poles) and customizable cooling options, these motors provide both DOL and VSD operation, ensuring high reliability and energy-efficient performance for critical industrial applications. Their robust design, combined with antifriction or sleeve bearings, fabricated steel enclosures, and IP55–IP66 protection, guarantees long-term operation even in harsh environments.
· Wide power range available
· Excellent starting performance
· Available to all industry segments and applications in global supply
· Highest reliability to minimize operation cost from downtime
· High flexibility with customizable design
· Online Factory Acceptance Test (FAT).
Technical Parameters
Technical specifications | |
Standard | IEC and NEMA(electrical) |
Output power | Up to 23MW |
Shaft heights | 400,450,500,560,630,710 (mm) |
Number of poles | 4-16 |
Voltages | Up to 13,8 kV |
Frequency | 50Hz or 60Hz |
Ambient | -55°C up to 60 °C |
Cooling | Air to air, Air to water |
Protection | IP55,IP56,IP66 |
Enclosure material | Fabricated steel |
Bearings | Antifriction or sleeve |
Mounting | Horizontal or vertical |
Operating | Direct on line (DOL) |
| Standard | IEC and NEMA(electrical) |
| Output power | Up to 23MW |
| Shaft heights | 400,450,500,560,630,710 (mm) |
| Number of poles | 4-16 |
| Voltages | Up to 13,8 kV |
| Frequency | 50Hz or 60Hz |
| Ambient | -55°C up to 60 °C |
| Cooling | Air to air, Air to water |
| Protection | IP55,IP56,IP66 |
| Enclosure material | Fabricated steel |
| Bearings | Antifriction or sleeve |
| Mounting | Horizontal or vertical |
| Operating | Direct on line (DOL) |
Q1: What are high voltage slip ring motors?
A1: High voltage slip ring motors are a type of Wound Rotor Slip Ring Motors designed for heavy-duty industrial applications. They provide excellent starting torque, reliable performance, and flexible operation in industries like chemical, metal, mining, cement, and paper & pulp.
Q2: What applications are suitable for Changli Electric high voltage slip ring motors?
A2: These motors are widely used in industries requiring high starting torque and efficiency, including chemical plants, steel and metal processing, mining operations, cement production, and paper and pulp manufacturing.
Q3: What are the key advantages of high voltage slip ring motors?
A3: The main benefits include wide power range availability, excellent starting performance, high reliability to minimize downtime, flexible design for custom requirements, and compatibility with both direct-on-line (DOL) and variable speed drive (VSD) operation.
Q4: How are Changli Electric high voltage slip ring motors cooled?
A4: These motors offer multiple cooling options, including air-to-air and air-to-water, allowing adaptation to specific industrial environments and operational requirements.
Q5: What are the mounting and protection options for these motors?
A5: High voltage slip ring motors can be mounted horizontally or vertically, feature fabricated steel enclosures, and protection levels ranging from IP55 to IP66. Bearings can be antifriction or sleeve type depending on application.
Q6: How does maintenance and service work for these motors?
A6: Changli Electric ensures easy installation and maintenance with comprehensive lifecycle support. Motors are also tested through Online Factory Acceptance Test (FAT) to ensure optimal performance before delivery.
