11‑kV 900‑kW Box‑Type High‑Efficiency Motor for Gas‑Fired Power‑Plant

Product Overview

This series of high-voltage high-efficiency box-type three-phase asynchronous motors features a high power-to-weight ratio design concept, with a compact structure and lightweight construction, providing a highly efficient and reliable drive solution for the steel industry. The motor is highly energy-efficient, effectively reducing electricity consumption and aligning with the green development philosophy.

The motor offers significant advantages including low operating temperature, a highly reliable terminal box, low vibration levels, extended lubrication intervals, longer maintenance cycles, and intelligent, continuous condition monitoring — significantly reducing downtime and maintenance costs.

This motor series is widely used as a prime mover in mining, steel, machinery, petroleum, chemical, power plants, and various other industrial applications. It is suitable for driving pumps, fans, compressors, conveyors, mixers, crushers, hoists, and other mechanical equipment — making it the ideal power solution for core equipment in steel production lines.

Key Features

• High Power-to-Weight Ratio – High power density, compact footprint with high output, saving valuable installation space

• Lightweight Design – Optimized structure reduces overall weight for easier transport and installation

• High Efficiency & Energy Saving – Efficiency up to 94.2%, significantly reducing long-term operational energy costs

• Low Operating Temperature – Optimized cooling system design ensures low temperature rise, extending insulation life

• High-Reliability Terminal Box – Excellent sealing performance, suitable for high-dust and humid steel mill environments

• Low Vibration Level – Rotor dynamically balanced with high precision for smooth operation

• Extended Lubrication Intervals – Longer lubrication cycles reduce routine maintenance frequency

• Intelligent Condition Monitoring – Continuous monitoring of operating status with early fault warning

• Variable Frequency Drive Compatible – Suitable for VFD applications (15-50Hz) with excellent speed control performance

Typical Applications

This motor series is suitable for driving the following equipment:

Operating Conditions

• Ambient Temperature: -15°C to +40°C

• Altitude: Not exceeding 1000m

• Protection Class: IP55 (dust-proof and protected against water jets — ideal for high-dust steel mill environments)

• Frequency Range: 15 - 50 Hz (suitable for VFD applications)

• Cooling Method: With cooling fan and independent cooling system

• Mounting: Customizable upon request

Intelligent Features

This motor series is equipped with an intelligent condition monitoring system, offering:

• Real-Time Monitoring – Continuous tracking of motor operating parameters (vibration, temperature, current, etc.)

• Fault Prediction – Early warning alerts for abnormal conditions to prevent unexpected downtime

• Maintenance Alerts – Intelligent maintenance recommendations based on operating data

• Data Analytics – Decision support for equipment management