fixed capacitor bank
● The device allows continuous operation at a steady state overcurrent of 1.3 times the rated 2 TBBZ High Voltage Reactive Power Automatic Compensation Device Operation Instructions current due to overvoltage and higher harmonics.
● The difference between the actual capacitance of the device and its rated capacitance shall not exceed (0~+10) % of the rated value, and the ratio of the maximum capacitance to the minimum capacitance between any two terminals of the device shall not exceed 1.06.
● The device can limit the inrush current generated by the capacitor bank instantaneously to less than 20 times the rated current of the capacitor bank.
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Product Introduction
Fixed Capacitor Bank - Professional Power Factor Correction Solutions
Product Introduction
When your electrical system demands consistent reactive power compensation, our professional fixed capacitor bank delivers unmatched reliability and performance. As a leading manufacturer at Xi'an Xidian Medium and Low Voltage Electric Co., Ltd., we understand that modern industrial facilities require stable power factor correction solutions. Unlike automatic switching systems, these permanent installations provide continuous reactive power support exactly where you need it most.
Our engineering team has designed these units to withstand demanding industrial environments. You'll find them perfect for base load compensation and transformer no-load correction. Each system undergoes rigorous testing to ensure compliance with international standards. The robust construction guarantees years of trouble-free operation in your facility.
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | 0.4kV - 40.5kV |
| Rated Current | 630A - 4000A |
| Frequency | 50Hz / 60Hz |
| Operating Temperature | -40°C to +55°C |
| Altitude | Up to 4000m above sea level |
| Dielectric | All-Film Polypropylene |
| Capacitance Tolerance | 0% to +10% |
| Discharge Time | ≤5 minutes (HV), ≤1 minute (LV) |
| Overvoltage Capacity | 1.1 times rated voltage continuous |
| Overcurrent Capacity | 1.3 times rated current continuous |
| Loss Factor | <0.1 to 0.2 watts/kVAR |
Main Features and Advantages
Superior Construction Quality
You'll appreciate the all-film polypropylene dielectric technology that ensures minimal losses and maximum durability. Our units feature internal discharge resistors for enhanced safety during maintenance operations.
Proven Reliability
The absence of mechanical switching components means fewer failure points compared to automatic systems. This translates to reduced maintenance costs and improved system uptime for your operations.
Flexible Configuration Options
Whether you need delta or ungrounded double-star configurations, we provide customized solutions. Optional series reactors are available for harmonic-rich environments.
Safety First Design
Built-in protection features include overpressure disconnectors and flame-retardant materials. Each unit meets stringent safety standards for industrial applications.
Practical Applications
Industrial Motor Compensation
Install our fixed capacitor bank directly at large motor terminals in manufacturing facilities. This localized approach keeps reactive current circulation between the motor and capacitor only, reducing upstream cable stress.
Transformer Base Load Support
Power transformers continuously consume reactive power for core magnetization. Our systems provide permanent compensation for these no-load losses, optimizing your automatic bank performance.
Distribution Network Stabilization
Utility companies rely on our pole-mounted units for rural feeder support. These installations improve voltage profiles and reduce transmission losses across extended distribution lines.
Manufacturing Facility Enhancement
Heavy industries like cement, mining, and petrochemicals benefit from continuous compensation. Your facility experiences improved voltage stability and reduced energy costs.
How It Works
The fixed capacitor bank operates by storing electrical energy and releasing reactive power into your system. When inductive loads create lagging power factor conditions, our capacitors provide leading reactive power to balance the equation.
The capacitor elements generate a leading current that opposes the lagging current from inductive equipment. This cancellation effect brings your power factor closer to unity, reducing the total current your system draws from the utility.
Internal discharge resistors automatically reduce stored voltage after disconnection. This safety feature protects maintenance personnel and equipment during service operations.
Manufacturing Excellence
Our state-of-the-art production facility maintains strict quality control throughout the manufacturing process. Each component undergoes comprehensive testing before assembly.
We've earned ISO9001 quality management certification, demonstrating our commitment to consistent product excellence. Our environmental management system (ISO14001) ensures sustainable manufacturing practices.
Advanced testing equipment validates every unit's electrical characteristics. You receive detailed test certificates with each shipment, providing complete traceability and quality assurance.
Why Choose Us
Three Decades of Experience
Our engineering team brings extensive knowledge in medium and low voltage power distribution systems. This expertise ensures optimal solutions for your specific requirements.
Comprehensive Product Range
Beyond fixed capacitor bank solutions, we offer complete power distribution equipment. This integrated approach simplifies your procurement and ensures system compatibility.
Global Standard Compliance
All products meet national and international standards. Our technical indicators achieve domestic and international advanced levels, earning recognition as famous brand products in China.
Exceptional Support Services
From initial consultation through installation and commissioning, our technical team provides comprehensive support. We're committed to your project's success.
FAQ
Q: How do I determine the right size for my application?
A: Size the unit to match your minimum base load or transformer no-load losses. Generally, this equals 3-5% of your transformer's kVA rating to prevent over-compensation.
Q: Do I need series reactors with the capacitor bank?
A: If your facility has variable frequency drives or other non-linear loads exceeding 15-20% of total load, detuned reactors are essential for harmonic protection.
Q: What maintenance schedule should I follow?
A: Annual inspections are recommended. Check busbar connections, measure capacitance values, and verify discharge resistor operation.
Q: Can these units cause over-compensation issues?
A: Proper sizing prevents this problem. Our engineering team calculates the optimal capacity based on your specific load characteristics and operating conditions.
Q: What safety precautions are required during maintenance?
A: Always allow proper discharge time (5-10 minutes for HV units) before maintenance. Verify zero energy state with appropriate test equipment before beginning work.
Contact Us
Ready to optimize your power factor with professional fixed capacitor bank solutions? Our technical team is standing by to discuss your specific requirements and provide customized recommendations.
Contact our application engineers today at serina@xaxd-electric.com for detailed technical specifications, pricing information, and project consultation. Let us help you achieve optimal power factor correction and reduce your facility's operating costs.
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