HV Filter Capacitor for Metallurgical Industry
2.Frequency: 50/60Hz.
3.Operating: indoor or outdoor.
4.Ambient temperature: -40°C ~ +45°C_x000b_( Freezing field can meet - 45C).
5.Wind load: not exceed 35m/s.
6.Altitude: not exceed 2000m.
7.Icing thickness: not exceed 10mm.
8.Seismic strength: 8.
9.Pollution level: III or IV.
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Product Introduction
HV Filter Capacitor for Metallurgical Industry
Product Introduction
When your steel mill faces voltage flicker or your electric arc furnace creates harmful harmonics, you need a specialized solution. Our HV Filter Capacitor for Metallurgical Industry delivers exactly that. These high-voltage power capacitors are specifically engineered for the demanding environment of steel mills, aluminum smelters, and foundries. Unlike standard capacitors, these units operate within tuned LC filter circuits to combat severe harmonic distortion from non-linear loads like Electric Arc Furnaces and rolling mill drives.
You get robust stainless steel construction with all-film polypropylene dielectrics and biodegradable fluids. This means reliable performance in harsh metallurgical environments where standard equipment fails.
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | 10kV |
| Frequency | 50/60Hz |
| Operating Environment | Indoor or Outdoor |
| Ambient Temperature | -40°C to +45°C (up to -45°C in freezing conditions) |
| Wind Load Resistance | ≤35m/s |
| Altitude Rating | ≤2000m |
| Icing Thickness | ≤10mm |
| Seismic Strength | Grade 8 |
| Pollution Level | III or IV |
| Current Overload Capacity | 1.35x In |
| Voltage Overload Capacity | 1.1x Un |
| Dielectric Loss | <0.15 W/kvar |
Main Features and Advantages
Your operations benefit from several key advantages. First, you get superior harmonic mitigation that absorbs dangerous 2nd, 3rd, 5th, and 7th order harmonics. This protects your transformers from overheating and extends equipment life.
Second, our internal fusing technology isolates failed elements without shutting down the entire bank. You maintain continuous operation even during component failures.
Third, the advanced thermal design handles the heat generated by harmonic absorption. This ensures reliable performance in high-temperature metallurgical environments.
Fourth, high-creepage porcelain bushings resist conductive metallurgical dust and prevent flashovers. This reduces maintenance needs and improves safety.
Practical Applications
You'll find these capacitors essential in three critical scenarios. In Electric Arc Furnace supply systems, they work with Static Var Compensators to stabilize bus voltage against flicker during the chaotic scrap melting phase.
For rolling mill drives, they form single-tuned filter branches that absorb harmonics from large DC drives and cycloconverters. This prevents torque ripples and protects sensitive drive electronics.
In induction heating applications, they provide power factor correction close to unity while withstanding high-frequency switching transients typical of foundry environments.
How It Works
Your HV Filter Capacitor for Metallurgical Industry operates by storing electrical energy in its polypropylene film dielectric. When connected in filter circuits, it creates a low-impedance path for specific harmonic frequencies.
The capacitor charges and discharges rapidly to counteract voltage fluctuations. Internal fusing elements automatically isolate faulty sections, maintaining system operation. The biodegradable fluid impregnation ensures low dielectric losses while providing excellent thermal conductivity.
Manufacturing Excellence
You receive products manufactured under strict quality control following IEC 60871-1 and IEEE Std 18 standards. Each unit undergoes comprehensive testing including thermal sealing tests, dielectric loss measurements, and partial discharge verification.
Our manufacturing process includes rigorous AC voltage withstand tests and internal fuse operation verification. This ensures your capacitors meet the demanding requirements of metallurgical applications.
Why Choose Us
Xi'an Xidian Medium and Low Voltage Electric Co., Ltd. brings decades of experience in power distribution equipment. We hold ISO9001, ISO14001, and OHSAS18001 certifications, ensuring consistent quality and environmental responsibility.
Our products serve rated voltages from 0.4kV to 40.5kV with currents up to 4000A. We provide complete system solutions tailored to your specific metallurgical requirements. Our engineering team understands the unique challenges of steel mills and foundries.
You benefit from our comprehensive product line covering nine categories and over 100 varieties. This means single-source solutions for all your electrical equipment needs.
FAQ
Q: How often should I test capacitance in my steel mill environment?
A: Test quarterly. Any deviation over 2% indicates blown internal fuses or dielectric degradation from harmonic stress.
Q: Can I use standard distribution capacitors for harmonic filtering?
A: No. Standard capacitors lack the current capacity and thermal design for harmonic loads. Using them creates explosion risks.
Q: What maintenance do bushings need in dusty foundries?
A: Clean porcelain skirts regularly with approved solvents. Consider RTV silicone coatings for better pollution resistance.
Q: How do internally fused units improve availability?
A: When faults occur, only small elements disconnect. The unit continues operating with slightly reduced capacitance instead of complete shutdown.
Contact Us
Ready to solve your metallurgical power quality challenges? Our engineering team stands ready to design the perfect filtering solution for your facility. Contact us today at serina@xaxd-electric.com for detailed specifications and customized recommendations.
Your HV Filter Capacitor for Metallurgical Industry solution awaits. Let's discuss how our proven technology can improve your power system reliability and reduce harmonic-related maintenance costs.
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