Active Harmonic Filters(AHF-100-0.4-4L-R)

Experience clean and efficient power with our AHF-100-0.4-4L-R Active Harmonic Filters. As a factory, we offer superior quality and reliable solutions. Shop now!

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  • Active Harmonic Filters(AHF-100-0.4-4L-R)
  • Active Harmonic Filters(AHF-100-0.4-4L-R)
  • Active Harmonic Filters(AHF-100-0.4-4L-R)

PRODUCTS DETAILS

Working Principle

External CT detects the load current, DSP as CPU has advanced logic control arithmetic, could quickly track the instruction current, divides the load current into active power and reactive power by using the intelligent FFT, and calculates the harmonic content rapidly and accurately. Then it sends PWM signal to internal IGBT's driver board to control IGBT on and off at 20KHZ frequency. Finally generates opposite phase compensation current on inverter induction, at the same time CT also detects the output current and negative feedback goes to DSP. Then DSP proceeds the next logical control to achieve more accurate and stable system.

Technical Specifications

TYPE 220V  Series 400V  Series 500V Series 690V Series
Rated compensation current 23A 15A、25A、50A 75A、100A、150A 100A 100A
Nominal voltage AC220V (-20%~+15%) AC400V (-40%~+15%) AC500V (-20%~+15%) AC690V (-20%~+15%)
Rated frequency 50/60Hz±5%
Network Single phase 3 phase 3 wire/3 phase 4 wire
Response time <40ms
Harmonics filtering 2nd to 50th Harmonics,The number of compensation can be selected,and the range of single compensation can be adjusted
Harmonic compensation rate >92%
Neutral line filtering capability / The filtering capacity of 3 phase 4 wire neutral line is 3 times of that of phase fiitering
Machine efficiency >97%
Switching frequency 32kHz 16kHz 12.8kHz 12.8kHz
Function Deal with harmonics
Numbers in parallel No limitation.A single centralized monitoring module can be equipped with up to 8 power modules
Communication methods Two-channel RS485 communication interface (support GPRS/WIFI wireless communication)
Alfitude without derating <2000m
Temperature -20~+50℃
Humidity <90%RH,The average monthly minimum temperature is 25°C without condensation on the surface
Pollution level Below level III
Protection function Overload protection,hardware over-current protection,over-voltage protection,power failure protection,over-temperature protection,frequency anomaly protection,short circuit protection,etc
Noise <50dB <60dB <65dB
nstallation Rack/Wall-mounted
Into the way of line Back entry(rack type),top entry(wall-mounted type)
Protection grade IP20
   

Product naming

Product Appearance

Harmonic source: thyristor, inverter

Harmonic equipment: speed fan, all kinds of pumps

Harmonic source: rectifier, inverter

Harmonic equipment: all kinds of pumps

Harmonic source: thyristor, single crystal furnace

Harmonic equipment: quartz crucible, thyristor

Harmonic source: rectifier, inverter, thyristor

Harmonic equipment: blast furnace,intermediate frequency furnace

Harmonic source: rectifier, inverter

Harmonic equipment: AC generator set, pump

Harmonic source: rectifier, UPS, inverter

Harmonic equipment: precision equipment, LED lights, elevators, UPS

Harmonic source: inverter, rectifier

Harmonic equipment: fan, pump

Harmonic source: UPS, rectifier

Harmonic equipment: UPS, air conditioning, elevator, LED lights

Harmonic source: rectifier, inverter Harmonic equipment: switching power supply, air conditioning, elevator, LED

Harmonic source: halogen lamp, inverter

Harmonic equipment: pulper, paper cutting, overpress, arc lamp

Harmonic source: rectifier

Harmonic device: charger

Harmonic source: inverter, rectifier

Harmonic equipment: welding machine, conveying system

                                   ProfessionTransformer capacity Central compensation capacity selection query table
Subways, tunnels, high-speed trains, airports Telecommunications, commercial construction, metallurgy, banking Medical industry Automobile manufacturing, ship manufacturing Chemical, petroleum Metallurgical industry
Frequency variation of harmonic current 15% 20% 25% 30% 35% 40%
200 kVA 50A 50A 100A 100A 100A 100A
250 kVA 50A 100A 100A 100A 150A 150A
315 kVA 100A 100A 150A 150A 150A 200A
400 kVA 100A 150A 150A 200A 200A 250A
500 kVA 100A 150A 200A 200A 250A 300A
630 kVA 150A 200A 250A 300A 350A 400A
800 kVA 200A 250A 300A 350A 450A 500A
1000 kVA 200A 300A 400A 450A 550A 600A
1250 kVA 300A 350A 450A 550A 650A 750A
1600 kVA 350A 500A 600A 700A 850A 950A
2000 kVA 450A 600A 750A 900A 1050A 1200A
2500 kVA 550A 750A 900A 1150A 1300A 1500A
*Note: The AHF capacity in the above table is obtained at a transformer load factor of 80 per cent. In actual projects, the AHF capacity is obtained proportionally by comparing the value of the load factor with the 80 % cent load factor in this table.
* This table is for selection reference only
     

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