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Power Capacitors
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- BSMJ Series Self-healing Low Voltage Shunt Capacitors
- BY86 Series Controlled Intelligent Capacitor
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- BY81 Series Intelligent Capacitor
- BY82J Series Anti-harmonic Intelligent Capacitor
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- Intelligent Controller Series
- Reactor
- Intelligent Switch Series
- Alternating Current Contactor
- Multifunctional power instruments
- Circuit Breaker
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BY89H/450-40+250-20 Series high quality low voltage intelligent power compensation capacitor 450V
Technical specifications of capacitors
| Project | Parameters | |
| Kind | BY89H/450-40+250-20 | |
| Compensation method | Co dividing and supplementing | |
| Capacity of each group of capacitors（total capacity）（kvar） | 40/20 | |
| Environment Terms | Temperature | |
| Moisture Conditions | 20%~90% at 40℃ | |
| Attitude | ≤2000m | |
| Power Supply For Running | Voltage | AC250V |
| The Discrepancy of Voltage | ±20% | |
| Operating Frequency | 50±1.5Hz | |
| Power Dissipation | ≤3VA | |
| Measurement Discrepancy | Current and Voltage | 0.5% |
| Power | 1.0% | |
| Energy factor | ±0.01 | |
| Temperature | ±1℃ | |
| Security Mechanism Time | Time of Blocking | 5~60s |
| Capacitor Cutting Time | 1s | |
| Reactive power compensation | Maximum Quantity of Linked Capacitors | 31units with controller |
| 12units without controller | ||
| Electrical Safety | Insulation Resistance of Main Circuit | Test voltage 2500V(1min) |
| Protection circuit continuity | All earthing components are required to have a secure electrical connection with the grounding screw | |
| Security Protection Measurement | The device’s casing, any metal components that could be energized, and the metal base of electrical elements that require grounding should be reliably electrically connected to the grounding screw | |
|
The level of protection |
IP30 | |
| The protection of Sampling and control circuit | The current circuit for built-in sampling control in the device utilizes dedicated wiring components, with a reliable ground connection at one end | |
Model Meaning
Capacitor Introduction
The BY89H/450-40+250-20 Hybrid Compensation Series is a cutting-edge smart capacitor designed to optimize Energy Power Factor and enhance Voltage Quality in low-voltage power systems. With a rated voltage of 450V, this hybrid compensation unit combines centralized and decentralized compensation to deliver unmatched efficiency and reliability, ensuring seamless integration into industrial, commercial, and renewable energy grids.It does improve energy efficiency through reducing reactive power losses, besides stabilizing the voltage levels and avoiding possible damage of equipment and downtime. The BY89H incursion includes a feature-advanced monitoring and control form to enable real-time adjustments according to load and grid requirements. Further, it includes the highly intelligent engineering for easy maintenance and installation within a diverse range of applications-from production plants to solar plants.Besides that, the BY89H/450-40+250-20 has the most advanced protection methods for overvoltage, overcurrent and thermal overload operations that guarantee long-term safety and durability in operation. It is made by the latest in terms of capacitor technology in such a way that hybrid compensation unit has not just passed but surpassed the industry standards; thus, it offers a reliable solution to each user for a better and more efficient energy future. Many industries today have been moving dust into increasingly greener practices. Hence, BY89H units are, in this scenario, an important link in advancing smarter, more resilient power systems.
Core Features & Benefits
1. Hybrid Compensation Technology
Centralized + Decentralized Compensation:
- Centralized compensation addresses bulk reactive power needs, while decentralized units fine-tune individual loads, ensuring precise Energy Power Factor correction (up to 0.99).
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Ideal for systems with both balanced and unbalanced loads, such as 3-phase motors and single-phase lighting networks.
2. Enhanced Voltage Quality
Dynamic Voltage Stabilization:
- Monitors and adjusts Power Voltage in real-time, preventing fluctuations and ensuring stable grid performance.
- Reduces harmonic distortion (THDi <5%), compliant with GB/T 22582-2008 standards.
3. Extended Life Of Capacitor
Self-Healing Metallized Film:
- Automatically isolates defects, extending operational lifespan to 100,000+ hours.
- Withstands harsh environments, including high temperatures and humidity, per DL/T 842-2003 guidelines.
4. Energy Efficiency & Cost Savings
Energy Is Electricity:
- Optimizes energy usage by reducing reactive power losses, achieving 25-30% lower line losses.
- Supports GB/T 15576-2008 compliance for low-voltage reactive power compensation devices.
5. Smart Monitoring & Control
Real-Time Data Analytics:
- Tracks Power Voltage, current, and power factor via integrated sensors and IoT-enabled communication (RS485/Modbus).
- Enables predictive maintenance, minimizing downtime and operational costs.
Terminal arrangement and definition——CO dividing and supplementing
The BY89H/450-40+250-20 Hybrid Compensation Series operates through a combination of centralized and decentralized compensation strategies to effectively manage reactive power. Centralized compensation is implemented at a single main distribution point, such as a factory’s main switchboard, to address the overall reactive power demand for large, stable loads like three-phase motors and transformers, offering a cost-effective solution by reducing the need for multiple decentralized units. In contrast, decentralized compensation involves installing units directly at load sites, optimizing reactive power for specific applications such as single-phase lighting or small machinery, and providing precise compensation for unbalanced or fluctuating loads. This approach enhances flexibility, allowing for modular adjustments in response to changing load profiles. Additionally, the system features dynamic load adaptation, with a microprocessor-based design that monitors load fluctuations in real-time and automatically adjusts compensation levels to maintain a power factor of approximately 0.99, while also suppressing harmonic distortion to below 5% to protect waveform-sensitive equipment.
Product wiring diagram
Dimension Information
| Type | W | W1 | L | L1 | H |
| BY89H/450-40+250-20 | 80mm | 50mm | 365mm | 385mm | 410mm |
Choosing us means choosing good quality
Showcasing the detailed advantages of the product
The shell of the intelligent capacitor is made of a high-temperature-resistant flame-retardant material. This greatly enhances safety for the equipment and greatly adds to its stability and reliability in high-temperature environments. FLPP material prevents fire, hence reducing the chances of overheating malfunctions, while allowing good functioning under extreme working conditions. Having flame-retardant property results in the lifespan of the capacitor being enlarged since the product can withstand different industrial environments and high demands in terms of safety and durability in the modern power systems.
The intelligent capacitor features a 485 serial interface, which offers extensive applications. This interface could facilitate the transmission of not only switch-on and switch-off second current signals but also other data via 485 communication. Thus, this standard will allow effective data exchange between the equipment and other intelligent devices and systems. Both functions will allow the intelligent capacitor to monitor and analyze power parameters in real-time and deliver precise operational data needed for remote monitoring and management. Additionally, 485 communication exhibits a great deal of resistance to interference, making it suitable for complex industrial environments, thus guaranteeing the stability and reliability of data transmission and raising the intelligence and operational efficiency of the whole power system.
This intelligent capacitor with a grid design for heat dissipation has improved heat dissipation practically through the air inlets and outlets situated on both sides of the product. This design allows for good airflow circulation so that the equipment can adequately disperse heat during operation, keep a steady operating temperature, and therefore prolong the service life of the product while also providing reliability. The superior heat dissipation design prevents any overheating effects in every high-load or high-temperature environment so that the equipment can safely and efficiently operate.
Application scenarios
Iron and Steel Communications Petroleum
Storage Workshop
Production workshop
Baoyu Holdings Co., Ltd. specializes in intelligent fully controlled power quality products such as active power filters, static var generators, intelligent capacitors, power capacitors, reactive power compensators, composite switches, contactors, thyristor switches, reactors, etc. High-quality products have created an international market with exports to more than ten countries, including Europe, America, Southeast Asia, and the Middle East. The products find extensive application in reactive power compensation and harmonic control situations such as factories, petrochemicals, coal mines metallurgy, ships, airports, solar, and wind power generation. For long, it has done well in numerous key projects in China. The company has a modern mold center and technology research and development center, besides possessing advanced intelligent digital testing equipment, and multiple patent grants have been issued on its products. Jointly established with Shanghai Jiao Tong University a joint research and development center for power quality for product research and technological breakthroughs aimed at innovation of solutions for reactive power compensation and harmonic control. It's dedicated to bringing new solutions for reactive power compensation and harmonic control. The technical specialists continuously work on designing and improving into the production processes; they follow up the newest technological trends and apply them to our products. Harmonics problems in the system have been resolved successfully. We are not just suppliers of products; we are providers of innovation in reactive power compensation and harmonic control solutions.
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