Sinopak Active Power Filter
Active Power filter
Active power filter (APF) is designed to filter the harmonics injected by non-linear loads in power networks. It can analyze the line current harmonics drawn by the loads and generate a compensation current dynamically at the opposite phase angle, thereby "neutralizing" the harmonic currents.Features
1. Based on 3-Level topology circuit
2. Modular design for a shorter delivery cycle and easy maintenance.
3. Rack-mounted or wall-mounted design which can be easily combined and installed as needed.
4. It is possible to compensate the 2nd~51st harmonics, or select a specific order of harmonics to compensate separately.
5. Flexible compensation modes:
Harmonic compensation,
Reactive power compensation,
Three phase imbalance compensation
6. Harmonic +Reactive power +Imbalance
7. Remote communication interfaces, with real-time monitoring being achieved via PC machines.
8. A full automatic detection runs during the whole compensation process, and should it be restarted, self-diagnosis will function; then after the fault is removed, it will be automatically put into use.
9. Free of harmonic resonance.
10.A user-friendly human-machine interface is configured to operate, and display system's real-time parameters like voltage/current waveforms, active power, reactive power, apparent power, power factor, harmonics, etc.
11. Intelligent control circuit with perfect protection functions (against overvoltage, under voltage, over-heating, over current, etc.)Technical Specifications
Items Module capacity:25A/35A, 50A/60A, 75A/100A
Power supply voltage:400V (-43%~+14%)
Power supply frequency:50/60Hz (Range: 45~63Hz)
Wiring method:3P3W/3P4W
Harmonic spectrum:2nd~50th
Harmonic setting:All harmonic contents can be selected simultaneously
Efficiency:Up to 98%
Filter performance:THDi<5%
Neutral filtering capacity:Three times of rated current
Response time:<15ms
Reactive time:<50microsecond
Resonance protection:Yes
Cooling mode:Forced air cooling
Operation mode:Harmonic compensation(FFT analysis, instantaneous reactive power), Reactive power compensation (-1~+1),Three phase imbalance compensation
Switching frequency:20kHz
Power loss:<3%
Communication interface:RS485 (Modbus RTU), TCP/IP (Ethernet)
Digital I/O:4DI/6DO
Alarm events:Yes
Monitoring:Via centralized monitoring PQ viewer
Mounting type:Rack/Wall mounted
Protection level:IP20
Altitude:1500m, if >1500m, the power decreases by 1% every 100m.
Operation temperature:-25degree~+45degree
Relative humidity:5%~95%, non-condensing
Installation environment:Indoor use
Dimension W*D*H(mm) And net weight:25A/35S: 440*470*150 18KG 50A/60A: 440*590*190 35KG 75A/100A: 440*600*230 36KG
Compliance with Standards:IEEE 519, IEC 61000-3-6, ERG5/4For more product information, please feel free to contact Ashley by sending to
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