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Product Name：Active Power Filter (APF)
Category：Power Electronics
The active power filter (APF) is mainly composed of controller, isolation switch (circuit breaker), contactor, IGBT, driving circuit, protection system, fuse, connection reactor, DC capacitor, etc. The controller measures phase A, C reactive power(current), produces control signal, drives IGBT on/off and produces harmonic and reactive current same as system harmonic current but in opposite phase to filter system harmonic, reduce reactive power and keep system power factor approximately at 1.
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- Features
- Application
- Download
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Our APF equipment is module structure, there are two types Wall Mounted and cabinet mounted. The Wall Mounted type is preferred to be used in equipment improvement which is very convenient to install.
The NIETZ Modular Active Harmonic Filter series are suitable for applications of all types, providing harmonic mitigation, load balancing and step-less reactive power compensation for inductive and capacitor loads.
Specification of APF, SVG
| Item |
APF |
SVG (kVa) |
| Specifications |
Module specification |
30 |
50 |
75 |
100 |
150 |
30 |
50 |
100 |
| Number of parallel possibilities |
16 |
| Input |
Work voltage |
400v/690(-20%~+15%) |
| Work frequency |
50Hz(-10%~+10%) |
| Current transformer |
100:5~10000:5 |
| Output |
600 width |
450A |
300 Kvar |
| 800 width |
900A |
600 Kvar |
| Function |
To compensate the harmonic |
2-50 times |
2-13 times (50 percent of the rated current) |
| Harmonic filtration rate |
>97% |
| Reactive power compensation |
-1~+1 adjustable |
| Compensate for three imbalances |
100%Full compensation for imbalance |
| communication protocol |
communication mode |
RS232; RS485; Modbus; TCP/IP optional |
| communication interface |
Rs485, net mouth |
| upper machine software |
Have, all parameters are set though the upper computer |
| Failure warning |
Have, Record up to 500 alarm messages |
| Monitoring |
Support each module independent monitoring |
| Technical indicators |
Full response time |
<10ms |
| Active loss |
<3% |
| the cooling way |
Intelligent air cooling |
| Noise |
<60dB |
| sampling/control frequency |
200kHZ |
| Equivalent Switch frequency |
43.2kHZ |
| cutoff frequency of current loop |
6.4kHZ |
| protection function |
overpressure, under voltage, over hearting, Over current, a short current, etc. |
| CT Installation position |
The load side/The grid side optional |
| Mechanical properties |
hanging size |
The wall hanging is the same size as the module |
| Module weight |
25Kg(≤75A/50kvar)50kg(≥100A/100Kver) |
| color |
Fine orange lines. |
| Environmental requirement |
Working temperature |
-10ºC~+45ºC |
| An altitude of |
<1500 Meters |
| Relative humidity |
<99% no lon |
| protection grade |
Ip20 |
Dimension info of Wall mounted power Module
Select Models Guide of APF
| Products |
400V, Active Power Filter (APF) |
| Power of Module |
30A |
50A |
75A |
100A |
150A |
| Type of mounting |
either will do Wall Mounted and Rack |
| Dimension (WxDxH) |
600x800x2200 |
800x800x2200 |
| 800x800x2200 |
800x1000x2200 |
| 800x1000x2200 |
1000x800x2200 |
| 1000x800x2200 |
1000x1000x2200 |
| 1000x1000x2200 |
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| Number of parallel possibilities |
max. 16 units |
| Max. power for width 600 models |
6x75A=450A |
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| Max. power for width 800 models |
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6x150A=900A |
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Select Models Guide of SVG
| Products |
400V, Static Var Generator (SVG) |
| Power of Module |
30 kVa |
50 kVa |
100 kVa |
| Compensate for unbalanced current |
45A |
75A |
150A |
| Compensate for Harmonic current |
25A |
40A |
80A |
| Type of mounting |
either will do Wall Mounted and Rack |
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| Dimension (WxDxH) |
600x800x2200 |
800x800x2200 |
| 800x800x2200 |
800x1000x2200 |
| 800x1000x2200 |
1000x800x2200 |
| 1000x800x2200 |
1000x1000x2200 |
| 1000x1000x2200 |
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| Number of parallel possibilities |
max. 16 units |
| Max. power for width 600 models |
6x50kVa=300kVa |
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| Max. power for width 800 models |
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6x100kVa=600kVa |
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