Products

The HYSVGC low-voltage hybrid active dynamic reactive power compensation device is installed in low-voltage distribution networks to improve voltage quality, enhance reactive power compensation management, and ensure stable and efficient power supply performance. It is an upgraded and extended solution based on traditional automatic low-voltage reactive power compensation systems.

The HYSVG static var generator provides continuous inductive and capacitive reactive-current compensation for low-voltage distribution networks. It responds to changing loads without capacitor switching transients, helping stabilize voltage, improve power factor, reduce network losses and correct current imbalance in industrial facilities and commercial power systems.

The HYSVG pole-mounted outdoor compensation device is designed to address the critical power-quality issues commonly found in modern distribution networks. It fully aligns with national guidelines for low-voltage governance and distribution network optimization.

The HY-HPD-1000 harmonic protection device is designed to safeguard precision electronic and control equipment operating in environments with high harmonic distortion. It effectively protects computers, PLCs, sensors, wireless equipment, CT systems, and DCS platforms from the adverse effects of harmonics.

The HYSVG high-voltage static var generator provides fast, continuously adjustable capacitive and inductive reactive power for 6 kV to 35 kV networks. It is applied where load changes, voltage fluctuation or power-factor requirements exceed the capability of conventional switched capacitor banks, including metallurgy, mining, renewable-energy grid connections and large industrial substations.

The HYAPF active power filter measures load current in real time and injects an equal, opposite harmonic current into low-voltage distribution networks. Its modular architecture can be sized for the required filtering current and used to mitigate multiple harmonic orders, improve current waveform quality and support reactive-power or load-imbalance compensation around nonlinear industrial and commercial loads.

The HYXHG intelligent arc-suppression device monitors 3?35 kV neutral-ungrounded and resonant-grounded networks for single-phase earth faults and abnormal overvoltage. It combines fault detection, arc-suppression control, event recording and alarm or trip interfaces to help utilities and industrial distribution systems locate faults, limit fault development and reduce unplanned outages.

The HYPCS isolated three-phase energy storage converter provides bidirectional conversion between battery energy storage and AC power systems. Its isolated architecture supports grid-connected and off-grid operation, scheduled charging and discharging, reactive-power support and optional harmonic compensation for industrial microgrids, renewable-energy projects and critical-power applications.

The HYTSF Series Low-Voltage Dynamic Filtering and Compensation Device is designed to address complex power quality challenges commonly found in modern industrial electrical networks. By integrating advanced power electronics technology with intelligent control algorithms, the system effectively resolves switching issues associated with capacitor compensation under harmonic distortion conditions.

The HYMSVC Series High-Voltage Dynamic Filtering and Compensation Device is designed to optimize power quality by regulating voltage, reactive power, and harmonic levels across high-voltage distribution networks.

The HYLX Zero-Sequence Current Absorber is designed to eliminate zero-sequence harmonic currents—primarily the 3rd, 6th, 9th, and 12th harmonics—that accumulate on the neutral line. Excessive neutral current can cause significant issues such as circuit breaker tripping, abnormal conductor heating, and potential fire hazards.

The HYFCKRL series is designed specifically for submerged arc furnaces (SAF), also known as mineral heat furnaces or electric arc resistance furnaces. In these systems, the electrodes are buried deep within the charge layer, forming an arc and generating heat through material resistance. This thermal and electrical process is essential for smelting various alloys and chemical materials.

The HYFC series low-voltage static passive harmonic filter and compensation device is an economical tuning-type filtering and reactive power compensation solution. It is composed of professionally designed filter reactors, filter capacitors, filter resistors, contactors, circuit breakers, and other components that form tuned LC branches.

The HYFC-ZP series passive harmonic filter and reactive power compensation device is specially designed for intermediate-frequency (IF) furnace systems, which generate very high levels of harmonic currents. These harmonics deteriorate power quality, cause transformer overheating, voltage waveform distortion, cable insulation aging, increased losses, and unstable furnace operation.

The HYFC-ZJ series passive harmonic filter and reactive compensation device is specially developed for heavy-load rolling applications. In cold rolling, hot rolling, aluminum oxidation, electrophoresis, and related production lines, severe harmonic currents are generated.

The HYFC-BP series passive harmonic filter is specially designed for frequency converters (VFDs). Developed and manufactured by Hongyan Electric, it applies wide-band Fourier analysis filtering technology and integrates digital monitoring modules to record and analyze key electrical parameters in real time.

The HYFC high-voltage passive filter compensation device combines tuned reactor-capacitor branches to absorb selected harmonic orders while supplying reactive power in 6 kV to 66 kV systems. Each filter branch is configured from the measured harmonic spectrum, load demand and grid impedance, making the system suitable for rectifiers, furnaces, rolling mills and other nonlinear industrial loads.

The HYTSC high-voltage dynamic reactive power compensation system uses thyristor-switched capacitor groups to follow rapidly changing reactive demand in 6 kV and 10 kV networks. It is intended for rolling mills, hoists, crushers and other fluctuating industrial loads where fast compensation helps improve power factor, limit voltage variation and reduce the burden on transformers and feeders.

The HYTBBT voltage-regulating and capacity-adjustable high-voltage reactive power compensation device is designed for 6kV-220kV power systems and installed on 6kV/10kV/35kV busbars in substations. It is widely used in power utilities, metallurgy, coal mining, petrochemical industries and other high-voltage networks to improve voltage stability, increase power factor, and reduce system losses.

The HYTBB series outdoor medium & high voltage reactive power compensation system is designed for 220 kV and below distribution substations, providing reactive power automation and on-load voltage regulation for 6 kV / 10 kV busbars.

The HYTBB indoor frame-type medium- and high-voltage reactive power compensation system provides shunt compensation for industrial substations and distribution rooms. Fixed or automatically switched capacitor groups can be configured to match system voltage, reactive demand and harmonic conditions, improving power factor, reducing line losses and supporting steadier bus voltage.

The HYTBB series reactive power compensation cabinet is designed for power frequency systems with rated voltages from 1kV to 35kV. It functions as a shunt capacitor bank that compensates for inductive reactive power in the system. This improves the power factor, enhances voltage stability, reduces energy losses, and increases the effective capacity of electrical equipment.

The HYTBBW pole-mounted high-voltage reactive power compensation device provides localized shunt compensation on outdoor distribution lines. Fixed, line-compensation or automatically switched configurations can be selected according to voltage level, feeder load and required capacity, helping improve power factor, reduce line current and losses, and support voltage quality along long rural or industrial feeders.

The HYSVC high-voltage dynamic reactive power compensation and filtering system combines a thyristor-controlled reactor with fixed capacitor and filter branches. Installed centrally on a substation busbar or close to a fluctuating nonlinear load, it regulates reactive power, supports bus voltage and limits characteristic harmonics for arc furnaces, rolling mills, mining equipment and other impact loads.

The HYTBB outdoor frame-type high-voltage reactive power compensation device provides shunt capacitor compensation for substations and industrial distribution systems. Reactor ratio, protection method, connection form and fixed or automatic switching mode are selected from the system voltage, harmonic conditions and required capacity to improve power factor and reduce network losses.

The HYLQ series high-voltage reactor starter cabinet is designed for soft starting of 75 kW to 10,000 kW three-phase squirrel-cage motors or synchronous.

High-voltage motor starting and variable frequency drive solutions are widely used to control the operation of large power-driven equipment, enabling soft motor startup, smooth speed regulation, and high-efficiency energy-saving operation.

The HYSQ1 high-voltage solid-state soft starter controls motor terminal voltage during acceleration to reduce starting current, voltage drop and mechanical shock. It is intended for medium- and high-voltage squirrel-cage or synchronous motors driving pumps, fans, compressors, crushers and conveyors, with configurable start parameters and protection functions for demanding industrial operation.

The HYTBBJ low-voltage static reactive power compensation system automatically switches capacitor groups according to measured reactive demand or power factor. It is designed for distribution systems with relatively steady inductive loads in manufacturing, buildings and public facilities, helping reduce reactive current, improve transformer utilization and maintain the required power factor.

The HYTBBD dynamic reactive power compensation system is suitable for industries with large variations in inductive load, such as metallurgy, machinery, mining, building materials, petrochemical, municipal facilities, and other power distribution systems with strong load fluctuation.

The HYTBB Low-Voltage Integrated Reactive Power Compensation Cabinet is designed for distribution transformers, low-voltage feeders, and various outdoor low-voltage power distribution environments where real-time reactive power compensation is required.

The HYTBBM low-voltage end-point reactive power compensation device is installed close to motors, feeders or other inductive loads that require local compensation. Available balanced, phase-separated and hybrid compensation modes allow the device to follow different load conditions, improving power factor, lowering feeder current and reducing voltage drop and distribution losses.

This all-in-one structure replaces multiple traditional components such as reactive power controller, fuses/MCBs, thyristor switches/contactors, thermal relays, indicator lamps, and stand-alone power capacitors.

LKSG series filter reactors are connected in series with power capacitors to form LC resonant branches in harmonic filtering cabinets. By providing inductive impedance at designated harmonic frequencies, the filter branches absorb local harmonic currents and prevent them from propagating through the grid.

Filter/compensation modules are integrated functional units designed for reactive power compensation and harmonic mitigation in low-voltage power distribution networks. Each module combines key components such as capacitors, detuned reactors, contactors, fuses, busbars, and terminals into a compact and standardized structure.

The HYRPC-130E series is an intelligent reactive power compensation and voltage quality control device, designed for 1 to 3 capacitor banks in low-voltage distribution systems such as single-transformer substations and single-source feeders.

With the increasing number of harmonic-generating loads in modern industrial and commercial power systems, harmonic distortion has become a significant threat to grid stability and equipment performance. Harmonic resonance and voltage waveform distortion may lead to overheating, malfunction, or even severe failure of electrical equipment.

The CKSC high-voltage iron-core series reactor is connected in series with capacitor banks to limit switching inrush current and control harmonic amplification in medium- and high-voltage compensation systems. Dry-type and oil-immersed configurations are selected according to system voltage, capacitor capacity, reactance ratio and installation conditions for substations and industrial distribution networks.

The HYDVR dynamic voltage restorer is designed to protect sensitive industrial loads from short-duration voltage sags and interruptions. Installed in series with the protected feeder, it detects an incoming voltage disturbance and injects the required compensating voltage within milliseconds, helping continuous-process equipment, automation systems and precision manufacturing remain in operation.