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Power Capacitors
- BY71 Series Cylindrical Capacitor
- BSMJ Series Self-healing Low Voltage Shunt Capacitors
- BY86 Series Controlled Intelligent Capacitor
- BYKXG/F Series Anti-harmonic Intelligent Capacitor
- BY81 Series Intelligent Capacitor
- BY82J Series Anti-harmonic Intelligent Capacitor
- BY89 Series Intelligent Capacitor
- Intelligent Controller Series
- Reactor
- Intelligent Switch Series
- Alternating Current Contactor
- Multifunctional power instruments
- Circuit Breaker
- APF/SVG/SPC Cabinet & Module Series
CKFG-0.9/0.25-6% Series Low Voltage Series Reactor Electrical Equipment Power Factor Correction Low-voltage Series Reactor Used in Electric Power System
Details determine quality

Advanced core material and structural design to achieve efficient harmonic filtering
CKFG reactors use cold-rolled silicon steel laminations with low iron loss grades (B35A290), which significantly reduce core hysteresis and eddy current losses by up to 30% compared to traditional materials. This precision laminated core design minimizes magnetic saturation at high harmonic distortion (THD up to 6%), ensuring stable inductance values (±3% tolerance) under fluctuating loads. The modular winding structure uses oxygen-free copper (OFC) conductors and double-layer fiberglass insulation to increase heat dissipation by up to 25% over standard designs. This allows the motor to operate continuously at 90°C ambient temperatures without derating - critical for HVAC systems and data center UPS applications.

Multi-layer harmonic suppression and system protection
Unlike ordinary reactors, the CKFG series has a 6% impedance rating to suppress 5th and 7th order harmonics - the frequencies that are most destructive to capacitor banks and transformers. Its frequency selective damping utilizes a proprietary "three-winding" topology to divert harmonic currents (2 to 150 kHz) away from critical loads, thereby reducing THD to less than 4%, in compliance with IEEE 519 standards. The housing is made of UL94 V-0 flame-retardant composite material, with an IP54 protection rating, which eliminates the risk of arcing during voltage surges (up to 2.5 kV). In actual testing at semiconductor factories, capacitor failure rates were reduced by 92% and line losses were reduced by 18%, proving its role as a first-line circuit protector.

Dynamic reactive power compensation to improve energy efficiency
The reactor’s 0.9 mH linear inductance curve enables dynamic reactive power (VAR) support, compensating for lagging power factors from 0.8 to above 0.95, with no capacitor switching delays. By stabilizing the bus voltage (±1.5% for 25% to 100% load steps), the reactor reduces reactive power demand losses by up to 35%, as demonstrated in a 160 km/h maglev train traction system. The aluminum-zinc alloy housing provides EMI shielding (attenuation >40 dB) while being 20% lighter than steel housings. Combined with dry packaging (no oil/coolant), the reactor achieves a maintenance-free service life of 50,000 hours, making it ideal for wind turbine converters and electric vehicle chargers.
Storage Workshop

Production workshop

Workshop Vedio
Baoyu Holding Co., Ltd
Baoyu Holding Co., Ltd. was founded in 2015 and is located in Wenzhou City, Zhejiang Province. The location is excellent and the transportation is convenient. We have very rich industry experience and is a trusted supplier. The company has advanced production equipment and skilled front-line employees. Our company is mainly engaged in the production and sales of power quality products,such as active power filters, static var generators, intelligent capacitors, power capacitors, reactive power compensators, composite switches, capacitor contactors, thyristor switches, reactors. Our company knows that the development of the company depends on the innovation and quality of the products. Therefore, our products have strict quality control from the procurement of raw materials to the sale of finished products. The company has established a quality management system that meets the requirements of the international quality management system. The company continuously releases the original innovations according to the market and customer needs, and always maintains the novelty and innovation of the products. The company wants the customer's thoughts and urgency. Solving problems for customers and meeting customer needs is our eternal pursuit! Our company's products are sold worldwide. The company has won the unanimous recognition of consumers with satisfactory product quality and perfect after-sales service. We have a professional R & D team. We can accept O E M and O D M.We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefits. We are looking forward to receiving your enquiry soon.
Our storage facility utilizes precision climate control, automated 3D warehousing (which increases capacity by 200%), and integrated safety systems (including fire suppression, anti-static protocols, and monthly audits) to maintain zero oxidation and ensure product integrity. In addition, our cleanroom manufacturing facility features a combination of natural and LED lighting, optimized workflows, and cross-trained technicians to enhance efficiency. Automated quality control systems and ISO-certified processes ensure compliance with dimensional and electrical standards, while AI-driven analytics and stringent protocols help achieve near-zero defects. By integrating advanced automation, tailored solutions, and steadfast reliability, Baoyu provides durable, mission-critical power systems, reinforcing our status as the preferred global partner for industries that require precision and innovation.
Business license

High-tech enterprise certificate
ISO management system certification



Corporate honors


Product certification certificate

Product testing report

Company patent certificate

Well-known domestic partners


