Project of 5 sets 132kW permanent magnet motors for air cooling island in Mengneng Xilin Thermal Power Plant. Energy-saving retrofit for thermal power plant air cooling fan system, replacing traditional asynchronous motors to reduce auxiliary power consumption.

Energy-saving speed regulation renovation project for No.12# and 14# slurry circulation pumps of Guoneng Huangjinbu Power Plant in Jiangxi. Permanent magnet speed control solution is applied to desulfurization slurry circulation pumps, accurately adjusting pump speed, reducing energy consumption, vibration and maintenance cost, a proven energy-saving solution for thermal power plant desulfurization pumps.

Cooling tower motor project of Inner Mongolia Guoneng Yili Energy. High-efficiency permanent magnet motors are adopted for industrial cooling tower fan renovation, replacing conventional asynchronous motors, improving fan efficiency and reducing power consumption. It is an energy-saving solution for cooling towers in coal chemical and power plants.

Performance acceptance report of permanent magnet direct drive renovation project for cooling tower fans of Guizhou Tianfu Chemical. The PM direct drive solution eliminates the reducer, reduces mechanical loss, failures and maintenance work, achieves stable energy saving, a proven retrofit case for cooling towers in coal chemical industry.

Energy-saving renovation project for cooling tower fans of Tongling Nonferrous Metals Metallurgical & Chemical Branch. Permanent magnet drive solution upgrades circulating water cooling tower fans in smelter plant, cuts transmission energy consumption, reduces reducer failure and oil leakage, lowers maintenance cost, suitable for energy-saving retrofit of circulating water system in non-ferrous metallurgy industry.

Acceptance certificate for installation & commissioning of WF-TM600B horizontal air-cooled permanent magnet speed governors for PetroChina Guangxi Petrochemical (Qinzhou Project). 5 sets PM speed governors for pump & fan energy-saving retrofit finished installation and passed acceptance. The PM speed control solution is applied for fluid equipment in petrochemical refining to realize precise speed regulation and energy saving.

Commissioning and operation acceptance form of permanent magnet direct drive motors for air cooling island of CNOIC Inner Mongolia Chemical. PM direct drive motors are used for air cooling island fan retrofit. Trial operation data shows obvious current reduction compared with original asynchronous motors and stable power saving. All parameters meet technical agreement, practical reference for energy-saving direct drive renovation of air cooling fans in chemical industry.

Service report of permanent magnet couplers for Shuangliu Coal Preparation Plant, Fenxi Mining Industry. WF-SN185B, WF-SN90B PM couplers are equipped on #801, #805, #301 belt conveyors. The equipment operates steadily without failure and requires low maintenance. It can replace traditional hydraulic couplings for coal washing plant conveyor systems, realizing soft start, vibration damping and lower operation cost.

Service report of permanent magnet couplers for Shuangliu Coal Preparation Plant, Fenxi Mining Industry. WF-SN185B, WF-SN90B PM couplers are equipped on #801, #805, #301 belt conveyors. The equipment operates steadily without failure and requires low maintenance. It can replace traditional hydraulic couplings for coal washing plant conveyor systems, realizing soft start, vibration damping and lower operation cost.

Energy-saving renovation report for 2C slurry circulation pump of Guoneng Guangtou Liuzhou Power Plant. The 710kW/1488rpm desulfurization slurry circulation pump is equipped with WF-TW800 horizontal oil-cooled permanent magnet speed regulator. Test data proves stable operation, with maximum energy saving rate up to 23.13%. All indicators meet technical agreement. It is suitable for energy-saving retrofit of thermal power plant desulfurization slurry pumps, replacing hydraulic couplings and avoiding harmonic interference from frequency converters.

Operation report of permanent magnet speed regulation retrofit for #1 Unit 1C slurry circulation pump of Guoneng Hebei Hengfeng Power Generation. The 560kW/1488rpm desulfurization slurry circulation pump is equipped with WF-TM750 horizontal air-cooled PM speed regulator and put into operation in October 2025. The unit runs stably with remarkable energy-saving effect, shortens investment payback period and reduces reducer vibration. It is suitable for speed control retrofit of thermal power desulfurization slurry pumps.

Operation report on permanent magnet direct drive motor retrofit for stacker-reclaimer of Jiangxi Xinchang Power Plant. The original 160kW asynchronous motor & hydraulic motor driving system is upgraded to VOFU permanent magnet direct drive motor. Intermediate components including reducer, hydraulic motor and high-speed coupling are removed to shorten transmission chain. After retrofit, the equipment runs steadily, system transmission efficiency is improved, noise is reduced, fault points and maintenance workload are greatly cut with obvious energy-saving benefits.

Permanent magnet direct drive motor retrofit project for air cooling island fans of Jinkong Power Tashan Power Plant. The original asynchronous variable frequency motor system is upgraded to PM direct drive motor with reducer removed. Field test data shows average energy saving rate of 76.9% under low load, 31% under medium load and 5.8% under high load. After renovation, operating current and vibration are reduced, maintenance cost is greatly lowered and service life extended, which is an efficient energy-saving solution for air cooling island fans.

Operation report of permanent magnet coupler retrofit for stacker-reclaimer of Wuda Power Plant, Junzheng Group. The 45kW/1477rpm coal bunker stacker-reclaimer adopts WF-SN45 permanent magnet coupler to replace the original transmission system consisting of motor, hydraulic coupling and reducer. Commissioned in September 2025. The equipment realizes soft start, buffers impact during startup, reduces system vibration and routine maintenance, and operates steadily for long-term service.

Operation report on permanent magnet direct drive motor retrofit for 132kW air cooling island fans at Xilin Thermal Power Plant, Meng Energy Inner Mongolia. The original 132kW asynchronous motor & reducer system is upgraded to WF-KD560/85/132 PM direct drive motor. The reducer is removed to eliminate oil leakage, electrical pollution and heavy maintenance workload. The system runs without lubrication, fault rate reduced, power factor improved to 0.96 with optimized operating current, remarkable energy saving and higher unit safety.

Energy-saving retrofit of auxiliary cooling water pump with WF-TM730 permanent magnet speed regulator for 660MW unit at Shaanxi Coal Binchang Wenjiapo Power Plant. The 450kW/1485rpm pump adopts PM speed regulation to adjust flow flexibly. Commissioned in May 2024, the measured energy saving rate reaches 29.1%, stable operation improves the reliability of water supply system for thermal power units.

Energy-saving retrofit for steel slag conveyor belts at Shaogang. WF-GF permanent magnet direct drive drum motors (WF-GF630, WF-GF500) replace asynchronous motor & reducer system, shorten transmission chain. Stable low-vibration operation achieved, measured energy saving about 15%. Ideal for metallurgical slag and mine bulk material conveyor upgrading.

Energy-saving retrofit of cooling tower fan for Guizhou Tianfu Chemical with WF-LT500 permanent magnet direct drive motor. Cancel traditional reduction transmission. The unit runs stably for 720 consecutive hours and passes energy-saving acceptance test, reliable solution for chemical plant cooling tower fan upgrading.