WF-TM Horizontal Air-Cooled Permanent Magnet Governor

WF-TM Horizontal Air-Cooled Permanent Magnet Adjustable Speed Drive is a high-efficiency, energy-saving speed control device developed by Anhui voofu Permanent Magnet Technology Co., Ltd. for equipment such as centrifugal pumps and fans below 630kW. The product adopts permanent magnet drive technology and achieves a soft connection between the motor and the load through non-contact torque transmission. It features a wide speed regulation range, significant energy-saving effects, and stable, reliable operation. It is widely used in energy-saving retrofits of fans, pumps, and other equipment in industries including power, metallurgy, chemical, cement, and coal.

Power range:

Suitable for centrifugal pumps and fans below 630kW.

Speed adjustment range:

30~97%, fast response speed, supports 4~20mA signal input, and adjusts the rotating speed of the load via PID control.

Air gap adjustment:

The actuator adjusts the air gap electrically or manually to achieve precise control of torque and rotational speed.

Cooling method:

Air-cooled type, which relies on cooling fins on the surface of the conductor rotor to dissipate heat through air convection.

Protection Grade:

Adapt to high-dust and humid environments; the minimum air gap design prevents dust ingress.

Installation Method:

Horizontal single-support structure simplifies the installation process and allows relatively large alignment errors (axial centerline deviation ≤1 mm, angular deviation ≤1°).

Product Overview

The WF-TM Horizontal Air-Cooled Permanent Magnet Adjustable Speed Drive is a high-efficiency, energy-saving speed control device developed by Anhui voofu Permanent Magnet Technology Co., Ltd. for equipment such as centrifugal pumps and fans below 630kW. The product adopts permanent magnet drive technology and achieves a soft connection between the motor and the load through non-contact torque transmission. It features a wide speed regulation range, significant energy-saving effects, and stable, reliable operation. It is widely used in energy-saving retrofits of fans, pumps, and other equipment in industries including power, metallurgy, chemical, cement, and coal.

Product Features

1. High Efficiency & Energy Saving:

Wide Speed Regulation Range: Supports 30-97% stepless speed regulation, allowing precise adjustment of load speed according to actual demand, avoiding the "big horse pulling a small cart" phenomenon, with a power saving rate typically reaching 20%-50%.

Soft Start Function: The motor starts under no load, and the load accelerates smoothly by adjusting the air gap, reducing starting current surge and extending the life of both motor and load.

No Harmonic Interference: Pure mechanical speed regulation without power electronic components, avoiding harmonic pollution to the power grid and reducing reactive power loss.

2. Structural Advantages:

Single Support Base Design: Lower vibration and more reliable operation.

Air-Cooled Heat Dissipation: Uses convective heat dissipation through cooling fins on the conductor rotor surface, requiring no external cooling system, suitable for poorly ventilated areas.

Compact and Lightweight: Tubular structure design, small in size and light in weight, facilitating on-site layout and maintenance.

3. Strong Environmental Adaptability:

Withstands Harsh Environments: Operates stably in extreme temperatures from -40°C to +100°C, suitable for high-dust, humid, flammable and explosive locations.

Explosion-Proof Performance: The main power part transmits torque without friction, generating no sparks or static electricity, suitable for applications with high explosion-proof requirements such as coal mines, oil fields, and chemical plants.

4. Low Maintenance Cost:

Maintenance-Free Design: No bearings or wear parts, requiring only periodic air gap inspection and lubrication, with a design life of up to 30 years.

Low Failure Rate: Non-contact transmission isolates vibration, reduces mechanical wear, and extends the service life of various transmission system components (such as bearings, seals, etc.).

Application Fields

The WF-TM Horizontal Air-Cooled Permanent Magnet Adjustable Speed Drive is widely used in the following scenarios:

1. Power Industry: Boiler induced draft fans, primary air fans, circulating water pumps, etc.

2. Metallurgical Industry: Blast furnace blowers, dust removal fans, cooling water pumps, etc.

3. Chemical Industry: Compressors, mixers, circulating pumps, etc.

4. Cement Industry: Kiln head and kiln tail fans, raw mill fans, circulating water pumps, etc.

5. Municipal Water Supply: Urban water supply pumping stations, aeration fans in wastewater treatment plants, etc.

Solution: Install WF-TM Permanent Magnet Adjustable Speed Drive to adjust airflow according to process requirements.

Result: 28% power saving rate, equipment life extended by 3 years, noise reduced by 15dB.

Ordering Instructions

Please specify the mounting method, operating environment, and the requirements of the associated mechanical equipment when placing an order. Other special requirements shall be agreed upon in a technical agreement. Due to technological advancements and revisions of relevant domestic and international standards, dimensions and technical parameters may change. Please confirm with our technical department or request formal outline drawings and related parameters when placing an order.

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