In industrial production, motor drive (such as fan and water pump speed regulation) and synchronous motor excitation (such as generator and large motor magnetic field regulation) require stable DC power drive. The rectifier transformer used for drive and excitation converts AC power into electrical energy suitable for equipment requirements through "efficient rectification+flexible voltage regulation", which is a key equipment to ensure the stable operation of industrial power systems.

1、 Product Introduction

Specially designed for industrial transmission and motor excitation scenarios, this special rectification power supply equipment focuses on precise electrical energy regulation of power systems

Core configuration: Adopting an integrated structure of "transformer+rectifier" (high conductivity copper winding+low loss silicon steel sheet), the input is compatible with 10kV/35kV power grid, the output DC voltage is 50-1000V, the current can reach thousands of amperes, and the rated capacity is 200-5000kVA; Built in 6/12 pulse rectification module, wide range voltage regulation unit, and overcurrent/overvoltage/demagnetization protection system, suitable for dual requirements of transmission speed regulation and excitation regulation;

Structural design: Sealed dust-proof and anti-corrosion cabinet body (cold-rolled steel plate+insulation coating), protection level IP44/IP54, suitable for dusty and humid environments in industrial workshops; Oil immersed cooling (with forced oil circulation) or dry cooling are optional to ensure stable heat dissipation under high loads and avoid temperature rise affecting operational accuracy;

Practical features: Supports linkage with PLC and variable frequency control systems, automatically adjusts output parameters according to transmission speed and excitation requirements, has remote monitoring, fault diagnosis, and interlock protection functions, with a design life of over 15 years, suitable for industrial 24-hour continuous production.

2、 Product advantages

Strong adaptability to dual scenarios: balancing motor transmission speed regulation (requiring wide range voltage regulation) and synchronous motor excitation (requiring stable low current), without the need for separate equipment configuration, reducing the cost of industrial power systems;

Efficient rectification with low interference: Multi pulse rectification technology reduces harmonics (total harmonic distortion THD ≤ 5%), avoiding interference with the power grid and other equipment, with a conversion efficiency of over 98%;

Accurate and stable voltage regulation: The output voltage regulation range is wide (10% -100% rated value), with a voltage deviation of ≤± 1%, ensuring smooth transmission speed, stable excitation magnetic field, and reducing equipment shaking and losses;

Outstanding impact resistance: able to withstand current surges during motor start stop and sudden load changes (with a short-term overload capacity of up to 120%), avoiding tripping and shutdown, and ensuring production continuity;

Convenient and economical operation and maintenance: Visual monitoring of key parameters, precise fault location, modular design for easy maintenance, annual maintenance frequency ≤ 2 times, reducing operation and maintenance costs.

3、 Application scenarios

Industrial motor transmission: The speed regulation and transmission of equipment such as steel mills, chemical plant fans, and water plant pumps are achieved through stable pressure regulation to achieve stepless speed change, thereby improving production efficiency and energy utilization;

Synchronous motor excitation: The excitation system of steam turbine generators, large hydro generators, and high-voltage synchronous motors in thermal power plants provides stable DC power to establish a magnetic field, ensuring the stable operation of the motor and the stability of the grid voltage;

Heavy machinery drive: The transmission system of heavy equipment such as mining crushers and metallurgical cranes, adapted to high load speed regulation requirements, ensures smooth and safe operation of the equipment;

Industrial production line power: Conveyor motors and drive motors for automotive manufacturing and mechanical processing production lines ensure synchronous and stable operation of the production line speed through precise voltage regulation and rectification.

The rectifier transformer used for transmission and excitation provides core electrical energy support for industrial power systems with the advantages of "dual scene compatibility, precise stability control, and efficient anti-interference", especially suitable for industries such as steel, power, chemical, and mining that need to balance motor speed regulation and excitation regulation.