AKSG AC Variable Frequency Input Line Reactor

Jinneng electric AKSG AC Variable Frequency Input Line Reactor is a specialized type of low-voltage series reactor where the conductor is a flat foil (typically copper or aluminum) instead of round wire. This design offers unique advantages in high-current, low-inductance applications.The reactor is used to suppress inrush current, protect capacitors and other electronic equipment from harmonic interference, improve the quality of the power grid, and extend the service life.

 

 

 

 

Governor Frequency changer Power(kw)	Model number	Material	Mounting dimension	Dimension Length*width*height	Model number	Material	Mounting dimension	Dimension Length*width*height
0.75	AKSG-10A	aluminum	75*55	140*75*145	AKSG-10A	Copper	75*55	140*75*145
1.5
2.5
4	AKSG-15A				AKSG-15A
5.5
7.5	AKSG-20A		80*70	170*150*135	AKSG-20A
11	AKSG-30A				AKSG-30A		80*70	170*150*135
15	AKSG-40A				AKSG-40A
18	AKSG-50A		110*65	210*155*167	AKSG-50A
22	AKSG-60A				AKSG-60A
30	AKSG-80A		110*82	210*180*167	AKSG-80A		110*62	210*155*167
37	AKSG-110A				AKSG-90A		110*82	210*180*167
45	AKSG-125A				AKSG-125A
55	AKSG-150A		130*110	240*215*210	AKSG-150A
75	AKSG-200A				AKSG-200A		130*110	240*215*210
93	AKSG-250A			240*215*260	AKSG-250A		130*110	240*215*260
110	AKSG-275A				AKSG-275A
132	AKSG-330A		170*118	280*240*230	AKSG-360A
160	AKSG-450A		193*140	320*260*290	AKSG-450A		170*118	280*240*280
187	AKSG-500A		193*140	320*260*340	AKSG-500A
200	AKSG-510A				AKSG-510A
220	AKSG-540A				AKSG-540A		193*120	320*240*290
250	AKSG-625A				AKSG-625A
315	AKSG-800A		246*170	376*290*360	AKSG-800A		193*140	320*260*290
375	AKSG-1000A			376*290*410	AKSG-1000A
400	AKSG-1100A				AKSG-1100A			320*260*340

 

 

 Foil vs. Coil-Wound Comparison

Feature	Foil-Wound Reactor	Traditional Coil-Wound Reactor
Conductor Shape	Flat foil (rectangular cross-section)	Round or square wire
Current Density	Higher (better heat dissipation)	Lower (more hotspots)
Mechanical Strength	More rigid, less prone to vibration damage	Flexible, may need extra bracing
Skin Effect	Reduced (better for high-frequency harmonics)	More pronounced at high frequencies
Typical Applications	High-current busbars, DC links, heavy industry	General-purpose filtering, motor drives

Core Types

Foil-wound reactors can use:

Air-core (no saturation, linear inductance, for high-current/harmonic filtering).

Iron-core (higher inductance in compact size, but risk of saturation).

Insulation & Cooling

Insulation: Polyester film, Nomex, or epoxy resin for high thermal endurance.

Cooling type:

Natural convection (open-frame designs).

Forced air (enclosed reactors with fans).

Liquid cooling (for ultra-high current densities).

 

 

1. Lower AC Resistance (Reduced Skin & Proximity Effects)

Foil's flat shape distributes current more evenly, minimizing losses at high frequencies.

Critical for harmonic filtering (5th, 7th, 11th, etc.) in VFDs and inverters.

2.Better heat dissipation

Larger surface area → improved cooling → higher current ratings.

Often used in high-power DC link chokes (e.g., for solar inverters).

3.Mechanical stability

Less prone to vibration-induced failures (common in wire-wound reactors in high-shock environments).

4.Compact design for high currents

Can handle thousands of amps (e.g., electrolysis plants, arc furnace systems).

 

 

Application	Why Foil-Wound?	Typical Specs
DC Link Chokes (VFDs, Inverters)	Low inductance, high current, minimal losses	50–200 µH, 500–5000A
Harmonic Filters (HVDC, Solar Farms)	Low resistance at high frequencies	5–10% impedance, air-core
Short-Circuit Current Limiters	High mechanical strength under fault	10–15% impedance, iron-core
Electrolysis / Industrial Heating	Extreme current handling (10kA+)	Custom designs, liquid-cooled

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(a) Foil Thickness & Width

Thickness: Determines current capacity (e.g., 0.5mm–5mm Cu foil).

Width: Affects inductance (wider = lower L).

(b) Insulation Between Foil Layers

Prevents inter-turn shorts (critical for high-voltage spikes).

(c) Thermal Management

Temperature rise must be calculated:

Derating required if ambient >40°C.

(d) Impedance & Frequency Response

Self-resonant frequency (SRF): Must be above highest harmonic of interest.

Q-factor: Should be low to avoid unwanted resonances.

 

 

Our company has gotten ISO9001 quality system certificate and implement this quality manage system.

The quality management department have IQC,PQC,IPQC,FQC,we have SQE,PQE,CQE to ensure product quality.

We implement regular product/process/system audit every year,continues to correct and improve quality management level.

 

 

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