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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
BYKXG/S/480-40/P7 Series Anti-harmonic Intelligent Capacitor High Quality 3 Capacitors 480V
Model Meaning

Main Specification of BYKXG/S/480-40/P7 Series Anti-harmonic Intelligent Capacitor
| Model | BYKXG/S/480-40/P7 | |
| Power Conditions | Voltage deviation | ±20% |
| Rated working voltage | 480V | |
| Power frequency | 47.5~52.5Hz | |
| Power consumption | <5W(When cutting off the capacitor) | |
| Measurement Error | Voltage | <0.5%(Within the range of 80-120% rated voltage) |
| Current | Not exceed 1% | |
| Temperature | ±1℃ | |
| Reactive Power Compensation Parameters | Capacitor switching interval | >10S |
| Reactive capacity | Single unit <50Kvar (three-phase), <30Kvar (split phase) | |
| Online | Not exceed 31 units | |
|
Reliability Parameters |
Control accuracy | 100% |
| Control allowable frequency | 1 million times | |
| Attenuation rate of operating time of capacitor capacity | Not exceed 1%/year | |
| Attenuation rate of capacitor capacity switching | Not exceed 0.1%/10000 times | |
| Annual failure rate | Not exceed 0.1% | |
| Environment Condition | Ambient temperature | -40℃-+40℃ |
| Relative humidity | 0℃,20~90% | |
| Altitude | Not exceed 2000m | |
| Electrical Safety | The electrical clearance and creepage distance, insulation strength, safety protection short-circuit isolation, and adoption and control circuit protection all comply with the corresponding provisions of the Chinese power industry standard DL/T842-2003"Conditions for Use of Low Voltage Parallel Capacitor Devices". | |
Product Introduction of BYKXG/S/480 - 40/P7 Series Anti-harmonic Intelligent Capacitor
Introducing the BYKXG/S/480-40/P7 Series Anti-harmonic Intelligent Capacitor, engineered to optimize power quality in three-phase power systems. This advanced capacitor cabinet solution integrates 3 capacitors with a capacitor working voltage of 480V, designed for robust performance in electric power distribution and capacitor industrial applications. Ideal for HVAC capacitor systems, it dynamically corrects 3 phase voltage imbalances, mitigates power quality harmonics, and reduces AC current capacitor distortions. Featuring integrated capacitors and harmonic filter capacitor technology, it addresses low capacitor efficiency and hy capacitor demands while supporting dynamic capacitor adjustments. Suitable for 15 capacitor configurations, this harmonic capacitor ensures reliable three-phase power stability, enhances circuit protection, and delivers superior harmonic suppression for industrial and commercial energy systems.

Main Features of BYKXG/S/480 - 40/P7 Series Anti-harmonic Intelligent Capacitor
- Adopting high-quality industrial low-voltage filtering power capacitors with high safety;
- Synchronous switch technology is adopted, with advanced technology and stable and reliable performance,
- Adopting a closed-loop circuit, the magnetic circuit is not saturated, there is no energy consumption, anathere is no electromagnetic radiation;
- Adopting special technologies and processes, it can effectively suppress high-order harmonics and inrush currents, and has a significant effect on suppressing harmonics of 3-13 or more;
- Modular structure, flexible combination, convenient expansion, simple installation, and easy maintenance,Inteligent network, 485 communication interface can be connected to the backend computer for com-prehensive power distribution management;
- Adopting decentralized control mode, with 2 million faultless switching, high reliability;The interface is displayed in Chinese, with simple operation and easy maintenance, which is conduciveto on-site fault finding;
- Add SH explosion-proof device and temperature control device inside to improve the reliability of operationin severe harmonic situations;
- The energy-saving effect is siqnificant, effectively improving power factor, reducing power consumption.and improving power quality.

BYKXG/S/480-40/P7 Series Anti-harmonic Intelligent Capacitor: Key Component Operational Principles
Advanced Harmonic Suppression Module
The capacitor integrates a multi-stage harmonic filtering system that dynamically detects and neutralizes harmonics (e.g., 3rd, 5th, 7th order) in real-time using adaptive frequency tracking. This is achieved through a combination of tuned LC circuits and active power electronics, which inject counter-harmonic currents to eliminate grid distortion.
Intelligent Reactive Power Compensation
Equipped with a self-optimizing control unit, the capacitor autonomously adjusts reactive power output based on real-time load fluctuations. It employs PWM (Pulse Width Modulation) technology and a DSP (Digital Signal Processor) to calculate optimal compensation levels, ensuring power factor correction (PFC) and voltage stabilization.
Multi-Layered Protection Mechanism
The device features overvoltage, overcurrent, and thermal protection systems. A fail-safe relay disconnects the capacitor during fault conditions, while a built-in temperature sensor triggers cooling protocols to prevent overheating. Additionally, its arc-resistant design ensures safety in high-energy environments.
IoT-Enabled Monitoring and Diagnostics
Integrated with IoT communication modules (e.g., RS485, Modbus), the capacitor enables remote monitoring of parameters like voltage imbalance, harmonic distortion, and capacitor health. Predictive maintenance alerts are generated via cloud-based analytics, reducing downtime.
Product Wiring Method

Size Informations

| Model | Capacity | H |
| BYKXG/S/480 - 40/P7 | 40 | 425 |

High-Performance Self-Healing Metallized Polypropylene Film:The capacitor employs advanced metallized polypropylene film with self-healing properties, ensuring long-term durability and resistance to voltage surges. This material minimizes energy loss (<0.2 W/kvar) and withstands high temperatures (up to 85°C), making it ideal for harsh industrial environments.

Smart Protection Circuitry with Real-Time Monitoring:Equipped with embedded microprocessors and overload protection sensors, the capacitor dynamically adjusts reactive power compensation and detects faults (e.g., overcurrent, overheating) in real time. The 480V-rated, international certified design ensures compliance with industrial safety standards, reducing downtime and operational risks.

Intelligent Modular Design with Harmonic Suppression Coils:Integrated anti-harmonic suppression coils and a three-phase independent modular structure enhance stability in power systems with high harmonic distortion (THD <5%). The modular design allows for easy scalability and maintenance, while the reinforced steel casing provides EMI/RFI shielding.
Application Places of BYKXG/S/480 - 40/P7 Series Anti-harmonic Intelligent Capacitor



Architecture Industry New Energy
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Workshop Vedio
Baoyu Holdings Limited: Your Trusted Partner in Smart Power Quality & Circuit Protection Solutions
Baoyu Holdings Limited is a leading manufacturer specializing in intelligent power quality optimization and advanced circuit protection systems. With state-of-the-art automated manufacturing facilities, we deliver innovative solutions for harmonic mitigation, three-phase imbalance correction, reactive power compensation, and comprehensive circuit safety—ensuring optimal energy efficiency and reliability for industrial, commercial, and utility clients worldwide.
Why Choose Baoyu?
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Automated Precision Production: Our cutting-edge factory integrates robotic assembly lines and AI-driven quality control systems, guaranteeing consistent product excellence and rapid scalability.
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Clean, Climate-Controlled Facilities: Pristine production floors and expansive warehouses equipped with temperature/humidity regulation technology ensure ideal storage conditions for sensitive components.
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Rigorous Quality Assurance: Every unit undergoes 100% testing—including burn-in tests, harmonic analysis, and precision calibration—by certified engineers before shipment.
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End-to-End Expertise: From R&D to delivery, our team of electrical engineers and technicians ensures compliance with international standards.
Core Product Categories
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Smart Power Quality Solutions:
- Active Harmonic Filters (AHF) & Passive Harmonic Mitigation Systems
- Three-Phase Balancing Devices & Voltage Stabilizers
- Dynamic Reactive Power Compensation (SVG/SVC) & Power Factor Correction Units
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Intelligent Circuit Protection:
- Surge Protective Devices (SPD) & Arc Fault Detection Systems
- Smart Circuit Breakers with IoT Monitoring & Energy Management Integration
Committed to advancing global energy sustainability, PowerRain combines technological innovation with eco-conscious practices to reduce energy waste and enhance grid resilience. Partner with us to transform your power infrastructure—where every product is engineered to protect, optimize, and outperform.
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