low voltage capacitor bank
2. Reduce network loss, high efficiency and energy saving;
3. Control harmonics of the system or control harmonics according to user requirements;
4. Reduce reactive current, save transformer capacity cost, improve transformer output.
5. Voltage priority control, the voltage regulation function of the capacitor can be used to improve the voltage pass rate.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Low Voltage Capacitor Bank - Professional Power Factor Correction Solutions
Product Introduction
When your facility faces escalating power factor penalties and inefficient energy consumption, our low voltage capacitor bank provides the immediate solution you need. This advanced electrical assembly operates in power distribution networks below 1000V, typically at 400V, 480V, or 690V ratings. Your system benefits from automatic reactive power compensation that maintains optimal power factor levels above 0.95, eliminating costly utility penalties while improving overall energy efficiency.
Our low voltage capacitor bank utilizes sophisticated Automatic Power Factor Correction (APFC) controllers to dynamically respond to your load variations. The system intelligently switches capacitor steps on and off, ensuring your facility maintains the ideal balance between active and reactive power consumption throughout daily operations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | 400V, 480V, 690V AC |
| Frequency | 50/60 Hz |
| Reactive Power Range | 25 kvar - 600 kvar |
| Steps Configuration | 1+1+2+2+4 / 1+2+4+8 |
| Power Factor Range | 0.80 - 0.99 (adjustable) |
| Ambient Temperature | -25°C to +50°C |
| Enclosure Rating | IP31 / IP54 |
| Dielectric Technology | Self-Healing Metallized Polypropylene Film |
| Discharge Time | <50V within 60 seconds |
| Overload Capability | 1.3 × rated current continuous |
| Standards Compliance | IEC 60831, IEC 61921, IEC 61439 |
Main Features and Advantages
Intelligent Control System
Your operations benefit from real-time monitoring and automatic switching. The advanced APFC controller continuously measures power factor and adjusts capacitor steps accordingly.
Self-Healing Technology
Our capacitors feature metallized polypropylene film that recovers from internal micro-faults automatically. This technology extends service life significantly compared to traditional alternatives.
Harmonic Protection
Built-in detuning reactors protect your system from harmonic resonance. This feature is essential when you operate variable frequency drives or other non-linear loads.
Safety First Design
Integrated discharge resistors ensure terminal voltage drops below 50V within one minute after disconnection. This protects your maintenance personnel during service operations.
Modular Configuration
You can easily expand or modify the bank capacity by adding or removing individual steps. This flexibility accommodates your changing power requirements.
Practical Applications
Industrial Manufacturing
Your production facility benefits from improved motor efficiency and reduced transformer loading. The low voltage capacitor bank handles rapid load changes typical in automotive and steel manufacturing environments.
Commercial Buildings
Office complexes and shopping centers experience enhanced power quality with reduced energy costs. The system compensates for reactive power drawn by HVAC systems and LED lighting installations.
Data Centers
Critical IT infrastructure requires stable power quality. Our banks provide reactive power support while protecting sensitive equipment from switching transients and harmonics.
Renewable Energy Systems
Solar and wind installations utilize our banks to maintain grid compliance. The system helps manage voltage fluctuations caused by intermittent generation patterns.
How It Works
Your electrical system draws both active power (measured in kilowatts) and reactive power (measured in kilovars). The low voltage capacitor bank supplies reactive power locally instead of drawing it from the utility grid.
The APFC controller continuously monitors your power factor through current and voltage transformers. When power factor drops below the set point, the controller switches on capacitor steps. As your load decreases, the controller automatically disconnects unnecessary steps to prevent over-compensation.
This dynamic process maintains optimal power factor throughout your daily load cycles. The result is reduced current flow in your distribution system, lower I²R losses, and improved voltage stability.
Manufacturing Excellence
Xi'an Xidian Medium and Low Voltage Electric Co., Ltd. brings decades of expertise to every unit we manufacture. Our production facility maintains strict quality control standards throughout the assembly process.
Each capacitor undergoes rigorous testing including dielectric withstand tests, capacitance verification, and thermal cycling. We verify that every component meets or exceeds international standards before final assembly.
Our quality management system holds ISO9001, ISO14001, and OHSAS18001 certifications. This comprehensive approach ensures you receive reliable equipment that performs consistently in demanding industrial environments.
Why Choose Us
Proven Track Record
We manufacture medium and low voltage equipment for over 100 varieties across 34 series. Your investment is backed by extensive industry experience and technical expertise.
Comprehensive Solutions
Beyond individual products, we provide complete system integration services. Our team designs custom solutions that match your specific power distribution requirements.
Technical Support
Our engineering team provides ongoing support throughout your equipment lifecycle. From initial sizing calculations to troubleshooting assistance, we ensure optimal system performance.
Quality Assurance
Every low voltage capacitor bank undergoes comprehensive factory testing before shipment. We stand behind our products with robust warranty coverage and responsive service support.
FAQ
Q: How do I determine the correct size for my application?
A: Calculate your maximum reactive power demand based on your load profile and desired power factor. Our engineering team can assist with detailed power system analysis to optimize sizing.
Q: Can the bank handle harmonic-rich environments?
A: Yes, our detuned versions include series reactors that prevent harmonic resonance. This configuration is essential for facilities with variable frequency drives or other non-linear loads.
Q: What maintenance is required?
A: Regular visual inspections and annual electrical testing ensure optimal performance. The self-healing capacitor technology minimizes maintenance requirements compared to traditional designs.
Q: How quickly does the system respond to load changes?
A: Standard electromagnetic contactors switch within 2-3 seconds. For applications requiring faster response, we offer thyristor-switched versions with millisecond switching capability.
Contact Us
Ready to improve your power factor and reduce energy costs? Our technical team is available to discuss your specific requirements and provide customized solutions.
For technical inquiries and project consultations, contact us at: serina@xaxd-electric.com
Let us help you select the optimal low voltage capacitor bank configuration for your facility's unique requirements.
Send Inquiry
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