air core reactors

Air Core Reactors - Superior Dry-Type Current Limiting Solutions

When you're looking for reliable current limiting solutions in medium to high voltage systems, air core reactors from Xian Xikai Electric provide unmatched performance. Our dry-type air-core current limiting reactors connect in series with your system lines to increase impedance and effectively limit short circuit currents to permissible values. These specialized inductive components eliminate magnetic saturation issues that plague traditional iron-core designs. Whether you need harmonic filtering, fault current limitation, or reactive power compensation, our air core reactors deliver consistent linear performance under all operating conditions.

Technical Specifications

Main Features and Advantages

Linear Performance Under All Conditions

Your system gets perfectly linear inductance characteristics because air cannot saturate. This means reliable current limiting even during extreme fault conditions when you need it most.

Zero Core Losses

Unlike iron-core alternatives, our designs eliminate hysteresis and eddy current losses. You benefit from higher efficiency and reduced operating costs throughout the reactor's lifespan.

Compact Epoxy Construction

Our reactors feature aluminum or copper windings encapsulated in epoxy-impregnated fiberglass. This provides excellent mechanical strength and superior insulation properties for long-term reliability.

Maintenance-Free Operation

The dry-type construction eliminates oil handling concerns. You enjoy decades of trouble-free operation without routine maintenance requirements.

Superior Short-Circuit Withstand

The robust mechanical design handles electromagnetic forces during fault conditions. Your investment stays protected even under the most demanding electrical stresses.

Practical Applications

Substation Current Limiting

Install our reactors in series with transmission lines or feeders. During downstream faults, the reactor's impedance limits current to levels your circuit breakers can safely interrupt.

Harmonic Filtering Systems

Combine with capacitor banks in SVC and HVDC systems. The reactors provide precise frequency tuning to filter dangerous harmonics from power electronics equipment.

Capacitor Bank Protection

Series connection with shunt capacitors prevents high inrush currents during switching operations. This extends capacitor life and protects your switching equipment.

Industrial Power Quality

Perfect for steel mills, mining operations, and other heavy industries where electric arc furnaces create harmonic distortion challenges.

How It Works

Our air core reactors operate on fundamental electromagnetic principles without ferromagnetic cores. When current flows through the aluminum or copper windings, it creates a magnetic field entirely contained within the air medium.

The inductance remains constant regardless of current magnitude. During normal operation, the reactor presents designed impedance to your system. When faults occur, this same impedance effectively limits current flow to predetermined safe levels.

The epoxy-fiberglass construction provides mechanical support while maintaining electrical insulation. Heat generated during operation dissipates naturally through the reactor's surface area.

Manufacturing Excellence

Our modern production facilities follow strict quality control procedures. Every reactor undergoes comprehensive testing including inductance verification, insulation testing, and thermal cycling validation.

We maintain ISO9001 quality management certification alongside ISO14001 environmental and OHSAS18001 safety management systems. This ensures consistent product quality and sustainable manufacturing practices.

Advanced design software optimizes each reactor configuration for your specific application requirements. Our engineering team provides technical support throughout the selection and installation process.

Why Choose Us

Proven Track Record

With over 100 varieties across 34 series, we've delivered reliable solutions for countless customers. Our products meet both national and international standards while earning recognition as famous brand products in China.

Complete System Integration

As specialists in medium and low voltage power distribution, we understand how air core reactors integrate with switchgear, transformers, and protection systems. You get optimized solutions rather than standalone components.

Technical Expertise

Our engineering team brings decades of experience in power system design. We provide application guidance, system studies, and ongoing technical support for your projects.

Quality Certifications

All our management systems maintain current certifications. You can trust our processes deliver consistent quality and reliable performance.

FAQ

Q: What's the difference between air core and iron core reactors?

A: Air core reactors maintain linear inductance under all conditions because air cannot saturate. Iron core units may lose effectiveness during high fault currents when you need protection most.

Q: How do I select the right inductance value?

A: Selection depends on your specific application - current limiting, harmonic filtering, or reactive compensation. Our engineers can perform system studies to determine optimal values.

Q: What maintenance do these reactors require?

A: Virtually none. The dry-type construction eliminates oil changes or core maintenance. Periodic visual inspection and connection checks are typically sufficient.

Q: Can you customize reactors for special applications?

A: Yes. We regularly design custom solutions for unique voltage levels, frequency requirements, or environmental conditions including high-altitude installations.

Q: What's the typical delivery time?

A: Standard designs ship within 4-6 weeks. Custom engineered solutions may require 8-12 weeks depending on complexity and testing requirements.

Contact Us

Ready to discuss your current limiting and power quality needs? Our technical team is here to help you select the optimal air core reactor solution for your application.

Email: serina@xaxd-electric.com

Contact us today for technical specifications, application guidance, and competitive pricing for your next project. We look forward to supporting your power system requirements with reliable, high-quality solutions.