Classification and advantages of air-core reactors
By Yang Qiang
March 15th, 2025
310 views
Classification of air-core reactors:
1. Series reactor,
2. Filtering reactor,
3. Current limiting reactor,
4. Shunt Reactor,
5. Smoothing reactor,
6. Bridge arm reactor,
7. Starting reactor,
8. Phase controlled reactor,
9. Neutral point reactor,
10. TCR Reactor
11. Series Reactor
12. SVG (Static Var Generator) Reactor
13. Aluminum Oxide Smelting Dedicated Reactor
14: Split type reactor and other series.
Structural characteristics:
1. The oil-free structure of dry-type hollow reactors eliminates the hidden dangers of oil leakage and flammability in oil immersed products, making them fire-resistant, flame-retardant, and safe.
2. Without battery cells, there is no ferromagnetic saturation problem, so its inductance value has good linearity.
3. Adopting a cylindrical structure with multiple parallel windings, each package is separated by a pull strip to form a ventilation duct, which has good heat dissipation.
4. Using small cross-section circular wires with multiple parallel windings results in low eddy current and leakage losses.
5. Each wire surface is insulated with multiple layers of polyester film, which has high insulation strength.
6. The winding is tightly wrapped with glass fiber impregnated with epoxy insulation adhesive, and after high-temperature curing, it forms a rigid body with mechanical properties High strength, able to withstand the impact of short-circuit current without damage, and good dynamic stability.
7. The aluminum star shaped conductive frame has low eddy current loss and can meet the product's requirements for fractional turns of the coil.
8. The anti ozone ultraviolet protective layer on the coil surface is anti-aging, with strong adhesion, and can withstand various outdoor harsh weather conditions, Outdoor use can greatly reduce infrastructure investment.
9. Flexible installation method, safe operation, low noise, no need for daily maintenance.
10. The design is flexible and accurate, and may meet the special requirements of customers.
Shanghai Zhiyou Electric Manufacturing Co., Ltd. specializes in producing various specifications of hollow core reactor series products, with a voltage range of 0-220kV and a capacity of 0-60000kvar. They are commonly used in reactive power compensation, harmonic filtering, current limiting and other occasions. The hollow reactor produced by the company adopts a cylindrical structure with multiple layers of windings in parallel, and each package is separated by a guide strip to form a ventilation duct, which has good heat dissipation. At the same time, small section circular wires are wound in parallel with multiple strands, resulting in low eddy current and leakage losses. In terms of insulation, the surface of each conductor of the product is made of polyester film, which has high insulation strength. The winding is tightly wrapped with glass fiber impregnated with epoxy insulation adhesive, and cured at high temperature to form a rigid body. Its mechanical strength is high, and it can withstand the impact of short circuit current without damage. The coil surface has an ozone ultraviolet protective layer, which is anti-aging and resistant to various adverse weather.
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