Products Description
The Low Voltage Three-Phase Reactor is a core protective inductive component installed in series between power supplies and terminal equipment such as frequency converters and rectifiers. Fabricated with high-permeability silicon steel cores and premium copper or aluminum windings via precision winding processes, this product delivers superior inductive characteristics and heat dissipation performance. It is widely used in variable frequency drive systems, rectification devices.
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Product Advantages
Powerful Harmonic Suppression
It efficiently filters high-order harmonic components in power grids, optimizes input current waveforms, and ensures the safe and stable operation of downstream equipment including frequency converters.
01
Superior Current Limiting Performance
It significantly suppresses peak inrush currents during equipment startup, preventing instantaneous heavy currents from causing damage to switching devices and capacitors.
02
Excellent Heat Dissipation
Designed with open ventilation ducts and high-quality insulating materials, the reactor maintains a stable temperature rise during long-term continuous operation, ensuring consistent and reliable equipment performance.
03
Wide Application Compatibility
It is compatible with mainstream brands of frequency converters and rectifiers worldwide. Standardized mounting interfaces enable fast and convenient on-site installation and replacement.
04
Extended Service Life
The windings are treated with vacuum pressure impregnation, achieving a high insulation class, excellent vibration resistance and moisture resistance. The reactor can operate reliably over a long service life even in harsh industrial environments.
05
Principle And Structure
Working Principle
The Low Voltage Three-Phase Reactor operates based on the principle of electromagnetic induction. When alternating current passes through the windings, an alternating magnetic field is generated in the iron core, producing inductive reactance that restrains abrupt current changes. This inductive reactance effectively smooths current waveforms, suppresses high-order harmonic components in power grids, and limits peak short-circuit currents and startup inrush currents. For non-linear loads represented by frequency converters, the reactor compensates reactive power and improves the overall power factor of the system, optimizing power supply quality and enabling more stable and reliable operation of downstream equipment.
Product Structure
The Low Voltage Three-Phase Reactor mainly consists of an iron core, windings, insulating supports, wiring terminals and housing protection assemblies. The iron core is laminated with high-permeability silicon steel sheets to minimize hysteresis loss. The windings are tightly wound with high-purity copper or aluminum wires and solidified through vacuum varnish impregnation. Insulating supports fully isolate the windings from the iron core to guarantee electrical safety. Thickened copper wiring terminals ensure firm connection and excellent electrical conductivity. The housing is equipped with ventilated heat dissipation holes to balance structural protection and heat dissipation efficiency. The overall structure is compact, allowing for convenient installation and maintenance.
Application Scope
Variable Frequency Drive Systems:Installed on the incoming power side of frequency converters for harmonic suppression and inrush current limitation, it serves as a standard front-end protective component for variable frequency systems.
Rectifier Unit Matching:Applied to the incoming terminal of various industrial rectifiers to optimize input current waveforms and protect rectifier bridges and filter capacitors.
Uninterruptible Power Supplies (UPS):Matched with UPS systems to purify input power quality, ensuring stable power supply for sensitive loads under power grid fluctuation conditions.
Industrial Motor Control:Installed at the front end of high-power motor soft start and speed regulation systems to limit startup current surges and reduce interference with power grids.
New Energy Industry:Applicable to the incoming side of new energy equipment such as photovoltaic inverters and energy storage converters, suppressing grid-connected harmonics and complying with grid connection specifications.
FAQ
Q: What specification of the Low Voltage Three-Phase Reactor should be selected?
A: Specification selection is determined by the capacity of downstream equipment and actual grid conditions. We provide professional type-selection guidance to help customers match the optimal product model.
Q: Can this product replace original factory parts?
A: Yes. Our products feature parameters compatible with mainstream brand standards and matched installation dimensions, enabling direct replacement without circuit modification.
Q: Does the product generate heat during operation?
A: A slight temperature rise occurs during normal operation, which is strictly within the allowable design range. The reactor can operate stably for a long time in well-ventilated environments.
Factory Environment
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