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STQL Three-Phase Silicon Rectifier Control Method

This series of equipment steps down the three-phase AC power supply via a transformer and then converts it into 220V DC voltage using a three-phase bridge silicon rectifier. The entire device consists of key components such as an automatic air switch, a transformer, a three-phase bridge rectifier assembly, and a DC contactor. The circuit is equipped with protective measures against short circuits and overvoltages. The equipment features compact size, light weight, minimal space requirements, reliable operation, and easy maintenance. When the controlled electromagnet capacity exceeds 19 kW, the rectifying transformer is mounted externally.

Case Details


This series of equipment steps down the three-phase AC power supply via a transformer and then converts it into 220V DC voltage using a three-phase bridge silicon rectifier. The entire device consists of key components such as an automatic air switch, a transformer, a three-phase bridge rectifier assembly, and a DC contactor. The circuit is equipped with protective measures against short circuits and overvoltages. The equipment features compact size, light weight, minimal space occupation, reliable operation, and easy maintenance. When the controlled electromagnet capacity exceeds 19 kW, the rectifying transformer is mounted externally.

 

STML Single-Phase Silicon Rectifier Control Method

When the capacity of the controlled lifting electromagnet is relatively small (below 4 kW), a single-phase bridge rectifier circuit is used.

 

STQ(M)L Constant Voltage Control Rectifier Control Equipment

Model Description

 

 

 

 

Main Technical Parameters [For reference only]

 

 

Reference Dimensions for Supporting Equipment and External Installation

 

Note: The rated voltage of the lifting electromagnet should match the output voltage of the rectifier unit. If the ambient temperature of the rectifier control equipment exceeds 40°C or if the equipment is to be used outdoors, please specify this explicitly when placing your order.

Key words:

Electromagnetic equipment manufacturing, multi-function lifting electromagnet, special lifting electromagnet, multi-purpose lifting electromagnet, permanent magnet coupling hysteresis head

RELATED PRODUCTS

MW5 Series

This series is designed for lifting and handling cast iron ingots, steel balls, pig iron blocks, machined chips; return materials, iron concentrate powder, cut-off ends; packaged scrap steel, and more. The excitation methods available include: rated voltage DC 220V mode; and strong excitation mode—over-excitation mode.

MW61 Series

This series features oval-shaped lifting electromagnets, primarily used for efficiently loading and unloading scrap steel in narrow vehicle compartments. Customization is available based on the specific dimensions of the vehicle compartment.

MW22 Series

This series features the most widely used rectangular electromagnets, primarily suited for lifting billets, ingots, and large initial rolling billets. They can also be used for lifting round billets and structural steel. Different magnetic circuit designs are employed to accommodate various types of steel.

Address: Liji Avenue, Junshan Industrial Park, Yueyang City, Hunan Province

Telephone: +8613907300172

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