Linear Reactor
14% reactance rate: Suppresses harmonics above the 3rd order.
27% reactance rate: Suppresses harmonics above the 2nd order.
1.Available in three-phase and single-phase dry-type iron-core configurations.
2.Core: Imported cold-rolled silicon steel laminations segmented by epoxy-laminated glass spacers to stabilize air gaps.
3.Windings: Tightly wound with Class H/C enamel-coated flat copper wire for high-temperature resistance and silent operation.
4.Assembly: Non-magnetic fasteners; pre-baked, vacuum-impregnated, and thermally cured to bond core and windings, ensuring low losses and high harmonic suppression.
5.Corrosion-resistant terminals and enclosures; compact size, lightweight, and cabinet-compatible design for cost-effective installation.
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Product Introduction
Linear Reactor - Premium Power Quality Solutions for Industrial Applications
Product Introduction
When your electrical systems face harmonic distortion and power quality issues, you need a reliable solution that delivers consistent performance. Our Linear Reactor is a specialized electromagnetic inductive component designed to maintain substantially constant inductance across a wide range of current loads. Unlike standard reactors that may experience inductance drop-off at high currents, our high-quality Linear Reactor ensures stable impedance to effectively filter power supply lines and protect your valuable equipment from damaging harmonics.
Our reactors are available in multiple reactance rates to meet your specific application needs. The 7% reactance rate effectively suppresses harmonics above the 5th order, while the 14% reactance rate targets harmonics above the 3rd order. For the most comprehensive harmonic control, our 27% reactance rate suppresses harmonics above the 2nd order.
Technical Specifications
| Parameter | Specification |
|---|---|
| Configuration | Three-phase and single-phase dry-type iron-core |
| Reactance Rates | 7%, 14%, 27% |
| Impedance Rating | 3% or 5% relative to load |
| Linearity | ≥90% of nominal value at 150% rated current |
| Insulation Class | Class H (180°C) or Class N (200°C) |
| Core Material | Imported cold-rolled silicon steel laminations |
| Winding Material | Class H/C enamel-coated flat copper wire |
| Noise Level | <65 dBA |
| Standards Compliance | IEC 60076-6, UL 508, IEEE 519 |
| Rated Voltage Range | 0.4kV-40.5kV |
| Rated Current Range | 630A-4000A |
Main Features and Advantages
Our Linear Reactor stands out in the market due to its superior design and manufacturing excellence. The core is constructed with imported cold-rolled silicon steel laminations segmented by epoxy-laminated glass spacers to stabilize air gaps. This precision engineering prevents magnetic saturation during peak current events.
The windings are tightly wound with Class H/C enamel-coated flat copper wire, providing excellent high-temperature resistance and silent operation. Our assembly process uses non-magnetic fasteners and includes pre-baking, vacuum impregnation, and thermal curing to bond core and windings perfectly.
Key advantages include reduced magnetic noise through low-magnetostriction core design, thermal efficiency with optimized winding geometry, and corrosion-resistant terminals with compact, lightweight design. Your installation costs remain low while achieving maximum performance.
Practical Applications
You'll find our reactors essential in variable frequency drive input protection, especially in heavy industrial automation like steel mills or paper processing. The Linear Reactor acts as a buffer between erratic grid supply and sensitive drive electronics, absorbing utility switching transients.
In renewable energy applications, our reactors smooth DC current ripple in solar and wind farm inverters before conversion or filter AC waveforms before grid injection. For long-lead motor applications in HVAC and water treatment systems, our reactors mitigate dv/dt phenomena when cable runs exceed 100 feet between drives and motors.
How It Works
Your Linear Reactor maintains linearity well beyond rated current, typically up to 150-200% of nominal capacity. The precision air gaps in our high-grade grain-oriented silicon steel core control flux density and prevent saturation. This ensures consistent inductance performance even under varying load conditions.
The vacuum pressure impregnation process creates structural integrity while minimizing audible hum. Our optimized winding geometry reduces skin effect and eddy current losses, keeping operating temperatures low and extending service life.
Manufacturing Excellence
At Xi'an Xidian Medium and Low Voltage Electric Co., Ltd., we maintain strict quality control throughout our manufacturing process. Our facility has earned ISO9001 quality management system, ISO14001 environmental management system, and OHSAS18001 occupational health and safety management system certifications.
We conduct comprehensive testing on every unit, including inductance consistency tests at 0%, 100%, and 150% of rated current. High-potential dielectric strength tests ensure insulation safety compliance, while heat run temperature rise tests verify thermal performance within insulation class limits.
Why Choose Us
You can trust our proven track record as a comprehensive medium and low voltage power distribution equipment system integration service provider. Our product portfolio spans 9 categories, 34 series, and over 100 varieties, all meeting national and international standards.
Our technical team brings extensive experience in power quality solutions, and we provide complete system solutions tailored to your specific requirements. With products rated for operation up to 4000 meters above sea level, you can rely on our equipment in demanding environments worldwide.
FAQ
Q: What's the difference between reactance rates?
A: Higher reactance rates provide broader harmonic suppression. Choose 7% for 5th harmonic and above, 14% for 3rd harmonic and above, or 27% for 2nd harmonic and above.
Q: How do I determine the right impedance rating?
A: We typically recommend 3% or 5% impedance relative to your load. Our technical team can help you calculate the optimal rating based on your specific application.
Q: What maintenance is required?
A: Our dry-type design requires minimal maintenance. Regular visual inspection and thermal imaging checks ensure optimal performance and early detection of any issues.
Contact Us
Ready to improve your power quality with our premium Linear Reactor solutions? Our technical experts are standing by to help you select the right configuration for your specific application needs.
For detailed specifications, custom solutions, or technical support, reach out to us today at serina@xaxd-electric.com. We're committed to delivering the power quality solutions that keep your operations running smoothly and efficiently.
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