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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
BYKCS-Y-40kvar Series High Quality Low Voltage Power Compensation Cabinet Switch Thyristor Switch 3 Phase 380V
Model meaning
Main Technical Parameters of Switch
| Model | BYKCS-Y-40kvar |
| Rated working voltage | 380V,50Hz |
| Lifespan | >1 million times |
| Response time of switch action | Not exceed 20ms |
| Time interval between reclosing after opening the switch | Not exceed 200ms |
| Switching withstand voltage | ≥2000V |
| Control voltage | 5~24VDC |
| Input current | Not exceed 10mA |
| Control capacity | A Type: 1-40Kvar B Type: 40-60Kvar |
The Overview of BYKCS-Y-40kvar Thyristor Switch
The BYKCS Series Thyristor Switch represents a modern-generation thyristor switching technology designed to give precision control without contact over capacitor banks working in 380V power systems. At its heart, this Intelligent Low Voltage Composite Switch operates on high-speed thyristors (SCRs), triggering capacitor switching at the voltage waveform zero-crossing point to eliminate inrush currents and minimize harmonic distortion. Such detection of zero crossing allows smooth transitions without surges, thus protecting capacitors and connected equipment against thermal stress and mechanical wear.The switching incorporates an adaptive control algorithm that monitors the grid parameters of voltage, current, and phase balance. Switching time and timing duration are adjusted in real time to enhance the performance of power factor correction (PFC) and dampen grid voltage fluctuations. With real-time diagnostics, the embedded multi-layer protection system protects against overvoltage, phase imbalance, short circuits, and overheating in compliance with industrial automation safety standards (for example, IEC 60947-4).Consideration for smart grids was given during the design of BYKCS, and modular thyristor modules can be configured with CAN bus or Modbus communication for remote monitoring and coordination with energy management systems. It has harmonic filtering ability, which suppresses grid harmonics (considerable up to 30% reduction), which is important for applications such as renewable energy farms and manufacturing facilities with sensitive machinery.
Key Features of Thyristor Switch
- Zero-Cross Operation: The suppression of inrush currents during capacitor switching is expected to prolong the life of the capacitor.
- Intelligent Load Adaptation: Automatically adjust switching cycles depending on the real-time load demand for energy saving optimization.
- Thermal Management: A high-level design for the dissipation of heat provides for stable operation under high current conditions (from 50 to 600A).
- Phase Balancing Technology: Addresses the imbalance between phases to avoid voltage drops and damage to equipment.
- Smart Capacitor Control: Efficient power-zero-cross activation with real-time load monitoring; full protection against thermal overload; maximize lifespan of capacitors9.
- Multi-Layered Safety: Guarantees safety against high voltage, phase imbalance, and over-temperature conditions, wherein reliable operation would be under most demanding environments9.
- Smart Grid: These products support other different industrial automation protocols like Modbus, CAN bus, and others for adaptive energy management and monitoring910.
- Energy Efficiency Optimization: A reduction in grid harmonics of up to 30% maximizes power-factor correction (PFC) efficiency, reducing operational costs and carbon footprint9.
- Modular Arrangement: For systems with capacitor banks at 380V, provides for plug-and-play installations with a 19-inch rack mounting10.
Working Principle of Thyristor Switch
Capacitor switching thyristor switch control has zero-crossing trigger and has imported chips in order to perform the thyristor voltage control at zero and that of current zero, thereby making the input capacitor lack an inrush current. Also, incorporating this protection circuit, this effective switch improves the anti-harmonic capability. The Temperature control technology ensures that the thyristor operates to specification temperature ranges. In cases where the heat sink temperature exceeds the allowable limits due to component failure or other causes, the switch automatically removes itself and, therefore, protects the thyristor from damage.Its components are as few and discrete as possible because this makes the integration of most functions in circuits into ICs so that switch volume is minimized, which in turn cuts down costs for the entire cabinet. The interference circuit design promises improved immunity of the switch from interference-caused damage, in this case breakdown of the thyristor by false triggering.Automatic equalization of the charging potentials of capacitors, the specific problem of phase loss during switching is overcome.Electronic discharge circuit is used to hasten the discharge of the capacitor.380V power system, and 220V power system.
Applications of Thyristors Switch
Ideal for smart grids, renewable energy systems, manufacturing facilities, and data centers, the BYKCS Thyristor Switch excels in applications requiring precise Capacitor Switching, including:Automated power factor correction (PFC),Voltage stabilization in solar/wind farms,Harmonic filtering for industrial machinery,Energy-saving retrofits for HVAC and motor drives.
Wiring Methods of BYKCS-Y-40kvar Thyristor Switch
Product size information
Storage Workshop
Production workshop
Workshop Vedio
Baoyu Holding Co., Ltd
Baoyu Holding Co., Ltd. (hereinafter referred to as Baoyu Holding) is a national high-tech enterprise focused on research and development, manufacturing, sales, and services for power quality enhancement. Its core offerings include active power filters, static var generators, intelligent capacitors, and other fully-controlled intelligent power quality products . Established in 2015, the company is based in Yueqing City, Zhejiang Province, with a registered capital of 50 million yuan. With backing from prestigious institutions such as Shanghai Jiao Tong University and Zhejiang University, Baoyu Holding has made significant investments in developing a modern R&D center and an advanced digital testing system. The products have received multiple patent certifications, demonstrating the technical prowess that positions the company as a leader in the industry.
Baoyu Holding has expanded its valuable products and services to over ten countries and regions worldwide, including Europe, the United States, Southeast Asia, and the Middle East, primarily by delivering outstanding performance in its offerings and customized solutions. These products are utilized in high-demand industries such as power, petrochemicals, metallurgy, shipbuilding, and renewable energy generation. The company has also been involved in significant domestic and international projects, and its operational stability has been widely recognized.
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Intelligent Production System
The first component is a state-of-the-art fully automated production line that includes an intelligent digital testing device for comprehensive quality control of every element from resource input to finished products. The production facility adheres strictly to ISO standards and employs modular design and flexible manufacturing technologies to effectively align mass production with personalized customization needs, thereby meeting the diverse requirements of customers globally. -
Professional Quality Assurance
Before leaving the factory, each product undergoes more than 20 specialized tests, including harmonic suppression testing and reactive power compensation accuracy calibration, to ensure compliance with international IEC standards and customer-specific parameter requirements. The workshop operates under a 6S management system, complemented by a real-time data monitoring system, to ensure that every production activity achieves zero defects throughout the manufacturing process. -
New Warehouse and Logistics System
The warehouse maintains a controlled temperature and humidity environment, equipped with an automated storage system to prevent deterioration of electronic components and finished products during storage. The integration of these features with existing strategic partners, such as collaborations with North China logistics hubs, allows the company to respond and deliver more swiftly and efficiently. This supports direct container shipping from major global ports and reduces delivery cycles to 15-30 days, significantly enhancing customer supply chain efficiency.
Technological innovation and customer demands drive Baoyu Holding’s ongoing commitment to providing trustworthy, highly reliable, and value-added power quality solutions for its global partners. Through comprehensive intelligent controls and international quality assurance, the company continues to bolster its competitive edge in the international market, thereby establishing itself as a long-term strategic partner for its trusted customers.
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
Why choose us?
- The Temperature Control and Thermal Management Solutions have very high efficiency because of this specific design:the variable speed fan that allows air flow from below, thus making best use of air convection dynamics. Its efficiency can increase up to thirty per cent compared to side-blowing heat dissipation. The cooling system consists of a temperature sensor combined with an intelligent controller which is capable of real-time adjustment of fan speed according to temperature, making it energy-efficient and eco-friendly, while also extending the life of the components.
- Water Cooling Heat Dissipation Technologies: Isomeric types allow the use of a water-cooled channel heat sink or an annular heating tube heat conduction plate. Circulating liquid effectively carries heat; good application for high-power ones.
- High Precision Control Chip: This circuit has a photoelectric isolation trigger circuit, which operates on a low-power drive chip that confirms stable signals in the transmission path, enhancing resistance against electromagnetic interference by more than 50%, making it ideal for complex working conditions.
- Intelligent Protection Function: It consists of an overvoltage, overcurrent and phase loss protection module supported by a fast response controller of less than 20 ms. It would protect equipment from damage that may be caused by operating outside the intended conditions.
- Modular Wiring Design： the design is equipped with a protective cover wiring port and standardized copper bar connections, which facilitate minimal cable clutter, reduce the likelihood of installation errors, and improve safety in the electrical devices at the same time.
- This high thermal conductivity aluminum alloy heatsinks and ultra-slim packaging technology：While ensuring excellent heat dissipation performance, it facilitates seamless integration into high-density devices.
- Suitable for Various Applications:The lightweight design makes it ideal for smart homes, industrial automation, and new energy inverters; perfect for scenarios with frequent movement or limited space.