- Large-capacity high-voltage long-distance transmission systems
Used in parallel with the power grid to compensate for capacitive charging current in transmission lines, improve power supply efficiency, suppress voltage rise and switching overvoltage under light load, and enhance overall system stability. - Chemical, metallurgical, mining, and electrified railway applications
Compensates capacitive reactive power, reduces secondary arc current during grounding faults, eliminates generator self-excitation phenomena, and ensures safe and stable operation in special industrial environments with harsh conditions. - Substation and long-distance light-load transmission lines
Installed at various voltage levels to compensate capacitive reactive volt-ampere in long-distance light-load lines, limit power-frequency overvoltage at line ends, reduce system grounding fault current, and maintain grid reliability.
Special Transformer
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Gas Insulated Transformer (GIT)
Compensate capacitive current, suppress overvoltage, boost efficiency.
- Dry-type Air-core Shunt Reactor Multi-layer parallel winding, uniform impulse distribution, excellent insulation, high short-circuit withstand, low loss, outdoor three-phase arrangement.
- Dry-type Iron-core Shunt Reactor Vacuum epoxy casting, no air gaps, full transposition winding, low partial discharge, reliable indoor/cabinet installation.
- Dry-type Magnetic Shielding Shunt Reactor Inner/outer shielding reduces leakage flux, volume reduced 20-45%, loss lowered 25-40%, low noise, outdoor suitable.
- Dry-type Semi-core Shunt Reactor Non-closed core with linear reactance, reduced volume and loss, high anti-short-circuit force, low vibration, outdoor capable.
Mining Transformer
Limit inrush current, suppress harmonics, protect capacitors, improve power quality.
- Large-scale shunt capacitor banks in substations
Connected in series with shunt capacitor banks to effectively suppress bus voltage distortion, reduce high-order harmonic currents in capacitor branches, significantly mitigate inrush current and switching overvoltage during capacitor energization, protect capacitor equipment, and enhance overall power supply quality and system reliability. - Harmonic-sensitive industrial and distribution systems
Used in chemical, metallurgical, mining, and electrified railway applications to limit closing inrush current, suppress harmonic amplification, reduce system voltage waveform distortion, and ensure stable operation of sensitive loads under high-harmonic environments. - Reactive power compensation devices with multi-tap requirements
Installed in parallel compensation capacitor installations to provide automatic reactor switching for different compensation capacities, control harmonic currents, prevent overvoltage during switching, and maintain grid stability in variable load conditions.
- Dry-type Iron-core Series Reactor
Low-permeability tie rod core, channel steel pressure beam, isolated metal parts, resin-glass fiber winding, high short-circuit resistance, self-extinguishing insulation, low stray loss. - Dry-type Air-core Series Reactor
Multi-tap design for single/multi-capacity, automatic switching capability, multi-layer parallel winding, uniform voltage distribution, low loss, suitable for indoor/outdoor installation. - Dry-type Magnetic Shielding Series Reactor
Inner/outer shielding enclosures reduce leakage flux, volume reduced 20-45%, loss lowered 25-40%, low noise and vibration, excellent outdoor performance, linear reactance. - Dry-type Air-core Filter Reactor
Multi-layer parallel winding, zero axial stress, small-section conductor reduces eddy loss, epoxy glass fiber encapsulation, high mechanical strength, superior heat dissipation, 30-year design life. - Dry-type Air-core Current-limiting Reactor
Multi-layer parallel structure, high short-circuit withstand, excellent dynamic/thermal stability, low noise, special epoxy formula for extreme cold, robust outdoor sealing, 30-year service life.
Furnace Transformer
Suppress ripple, limit fault rise rate, maintain DC continuity.
- HVDC converter stations
Deployed in ±200kV to ±1100kV HVDC systems to suppress DC current ripple, limit fault current rise rate (di/dt ≤ 2kA/ms), provide sufficient time for DC circuit breakers to operate, prevent commutation failures, and ensure reliable long-distance ultra-high voltage power transmission. - Electrolytic aluminum and high-current industrial DC supplies
Applied in DC 600–1500V, 50–200kA electrolytic processes to maintain continuous minimum current, attenuate ripple that could disrupt production stability, reduce harmonic interference, and prevent insulation breakdown caused by back-EMF in electrolytic cells. - Rail transit traction substations and photovoltaic DC side
Used in DC 750V/1500V traction systems or 1000–1500V PV inverter DC links to suppress harmonic ripple, limit switching transients, improve system efficiency under variable loads, and guarantee stable operation across wide temperature ranges (-40℃ to +85℃).
- Dry-type Air-core Smoothing Reactor Coreless epoxy resin casting, zero axial electrical stress, uniform voltage distribution, no saturation risk, high short-circuit withstand, ideal for medium-power applications requiring magnetic shielding.
- Iron-core Oil-immersed Smoothing Reactor Air-gapped iron core with oil-paper insulation, ultra-high power density, excellent heat dissipation, withstands ±800kV DC + 500kV lightning impulse, requires oil temperature monitoring to prevent bubble-induced insulation faults.
- Iron-core Dry-type Smoothing Reactor Silicon steel core with forced air cooling, maintenance-free design, multi-stage stepped air gap to prevent DC bias saturation, low stray loss, suitable for high-current electrolytic and industrial DC applications.
- Special Structural Features Transposed conductors reduce eddy current loss in high-current (>5kA) designs; enhanced sectional insulation for ultra-high voltage; axial cooling ducts (8–12mm) with ≥6m/s forced air speed for efficient thermal management.
Subsurface/submersible transformer
Suppress ripple, limit fault rise rate, maintain DC continuity.
- HVDC converter stations
Deployed in ±200kV to ±1100kV HVDC systems to suppress DC current ripple, limit fault current rise rate (di/dt ≤ 2kA/ms), provide sufficient time for DC circuit breakers to operate, prevent commutation failures, and ensure reliable long-distance ultra-high voltage power transmission. - Electrolytic aluminum and high-current industrial DC supplies
Applied in DC 600–1500V, 50–200kA electrolytic processes to maintain continuous minimum current, attenuate ripple that could disrupt production stability, reduce harmonic interference, and prevent insulation breakdown caused by back-EMF in electrolytic cells. - Rail transit traction substations and photovoltaic DC side
Used in DC 750V/1500V traction systems or 1000–1500V PV inverter DC links to suppress harmonic ripple, limit switching transients, improve system efficiency under variable loads, and guarantee stable operation across wide temperature ranges (-40℃ to +85℃).
- Dry-type Air-core Smoothing Reactor Coreless epoxy resin casting, zero axial electrical stress, uniform voltage distribution, no saturation risk, high short-circuit withstand, ideal for medium-power applications requiring magnetic shielding.
- Iron-core Oil-immersed Smoothing Reactor Air-gapped iron core with oil-paper insulation, ultra-high power density, excellent heat dissipation, withstands ±800kV DC + 500kV lightning impulse, requires oil temperature monitoring to prevent bubble-induced insulation faults.
- Iron-core Dry-type Smoothing Reactor Silicon steel core with forced air cooling, maintenance-free design, multi-stage stepped air gap to prevent DC bias saturation, low stray loss, suitable for high-current electrolytic and industrial DC applications.
- Special Structural Features Transposed conductors reduce eddy current loss in high-current (>5kA) designs; enhanced sectional insulation for ultra-high voltage; axial cooling ducts (8–12mm) with ≥6m/s forced air speed for efficient thermal management.