⑴ Användning av höghastighets-DSP-centralprocessor:
Uppgradera den nya generationens programvara för återkopplingskontroll av likriktning, med exakt styrnoggrannhet, god stabilitet, färre övertoner och stark anti-interferensförmåga;
⑵ Användning av den senaste SVPWM-moduleringstekniken i branschen:
Uppgradera den nya generationens SVPWM-vektorstyrningsteknik för att uppfylla kraven i nationella standarder för likriktningsåterkoppling för strömövertoner;
⑶ Standard RS485-kommunikation och återkopplingseffektdisplay:
Produkten levereras som standard med RS485-kommunikation och tangentbordskommunikationsdisplay, och alla programvarukontrollparametrar är öppna för visning och felsökning, vilket gör produktövervakningen bekväm.
⑷ Förhindra ö-effekten:
Programvaran övervakar statusen för luftkraftnätet i realtid och stoppar omedelbart återkopplingen av elektrisk energi till nätet när nätet stängs av, för att förhindra ö-effekter;
⑸ Användning av LC-filtreringsteknik:
Optimera LC-filtrering för att effektivt undertrycka övertoner och elektromagnetiska störningar, med en THD för spänning och ström <5 %, vilket säkerställer återkoppling av ren elektrisk energi;
Användning av automatisk teknik för fassekvensdiskriminering:
Upgrade the automatic phase sequence discrimination technology, allowing the phase sequence of the three-phase power grid to be freely connected without the need for manual differentiation;
Upgrade hardware design beyond the national standard requirements for voltage resistance:
The newly upgraded hardware design meets the requirement of a 1-minute withstand voltage of 2500 volts AC, with a leakage current of less than 2mA, far below the national standard of 30mA;
⑻ Improve the rectification feedback current level of the machine:
Newly upgraded hardware and control software, reducing the product's machine volume by over 31% and increasing current by 34%;
Configure fuses:
Configure DC and three-phase AC fuses, ensure short-circuit protection is in place, and guarantee the safe operation of the inverter;
⑽ Built in input filtering device, full process noise filtering, interference to the power grid is 1/4 of that of ordinary commercial frequency converters;
⑾ Built in rectifier feedback active front-end, which can feedback regenerated electrical energy to the grid. Built in reactor and filter, can be directly connected to the power grid, with an energy feedback efficiency of up to 97%. Energy saving by 20% to 50% more than general frequency converters, with heat loss less than 3% of resistance braking, reducing heat sources, and enhancing safety;
12. Built in rectifier feedback active front-end, using IGBT rectification, can reduce 15% to 25% of the power grid capacity compared to using a general frequency converter rectifier bridge rectification;
⒀ Built in rectifier feedback active front-end, power factor up to 0.99;
Built in rectifier feedback active front-end, during rated operation, the THD distortion of grid voltage is less than 5%, and the THD distortion of grid current is less than 5%, meeting the quality requirements of the grid;
All round drive, compatible with permanent magnet synchronous motor and asynchronous motor controllers;
485 communication function, supporting mainstream 485 communication protocol in RTU mode;
⒄ It has multiple protection functions such as overcurrent, overload, short circuit, overvoltage, hardware overvoltage, undervoltage, power grid phase loss, power grid amplitude, overheating, external fault input, etc., to ensure safer and more reliable system operation;
Easy to install, debug, and operate, with convenient maintenance and upkeep;
| Model | Grid Voltage | Rated Power | Rated Current | Peak Current | Frame |
|-----------------|--------------|-------------|---------------|--------------|-------|
| PFA-02-T-BDC | 220Vac | 2.2kW | 8A | 16A | C1 |
| PFA-02-S-BDC | 220Vac | 3.5kW | 15A | 22A | C1 |
| PFA-02-M-BDC | 220Vac | 5.5kW | 17A | 32A | C2 |
| PFA-02-L-BDC | 220Vac | 7.5kW | 23A | 46A | C2 |
| PFA-02-015-BDC | 220Vac | 11kW | 28A | 56A | C2 |
| PFA-02-018-BDC | 220Vac | 15kW | 41A | 75A | C3 |
| PFA-02-022-BDC | 220Vac | 18.5kW | 50A | 90A | C3 |
| PFA-02-030-BDC | 220Vac | 22kW | 60A | 110A | C4 |
| PFA-04-T-BDC | 380Vac | 2.2kW | 8A | 16A | C1 |
| PFA-04-S-BDC | 380Vac | 5.5kW-7.5kW | 15A | 22A | C1 |
| PFA-04-M-BDC | 380Vac | 11kW | 17A | 32A | C2 |
| PFA-04-L-BDC | 380Vac | 15kW | 23A | 46A | C2 |
| PFA-04-018-BDC | 380Vac | 18.5kW | 28A | 56A | C2 |
| PFA-04-022-BDC | 380Vac | 22kW | 41A | 75A | C3 |
| PFA-04-030-BDC | 380Vac | 30kW | 50A | 90A | C3 |
| PFA-04-037-BDC | 380Vac | 37kW | 60A | 110A | C3 |
| PFA-04-055-BDC | 380Vac | 55kW | 90A | 165A | C4 |
| PFA-04-075-BDC | 380Vac | 75kW | 105A | 195A | C4 |
| PFA-04-090-BDC | 380Vac | 90kW | 150A | 250A | C5 |
| PFA-04-110-BDC | 380Vac | 110kW | 165A | 280A | C5 |
| PFA-04-132-BDC | 380Vac | 132kW | 185A | 355A | C5 |
| PFA-04-160-BDC | 380Vac | 160kW | 250A | 380A | C6 |
| PFA-04-185-BDC | 380Vac | 185kW | 280A | 450A | C6 |
| PFA-04-220-BDC | 380Vac | 220kW | 315A | 500A | C6 |
| PFA-06-022-BDC | 660Vac | 22kW | 35A | 65A | C3 |
| PFA-06-030-BDC | 660Vac | 30kW | 41A | 75A | C3 |
| PFA-06-037-BDC | 660Vac | 37kW | 50A | 90A | C3 |
| PFA-06-055-BDC | 660Vac | 55kW | 70A | 125A | C4 |
| PFA-06-075-BDC | 660Vac | 75kW | 90A | 165A | C4 |
| PFA-06-090-BDC | 660Vac | 90kW | 105A | 195A | C4 |
| PFA-06-110-BDC | 660Vac | 110kW | 120A | 220A | C5 |
| PFA-06-132-BDC | 660Vac | 132kW | 150A | 250A | C5 |
| PFA-06-160-BDC | 660Vac | 160kW | 170A | 280A | C5 |
| PFA-06-185-BDC | 660 V AC | 185 kW | 200 A | 315 A | C6 |
| PFA-06-220-BDC | 660 V AC | 220 kW | 220 A | 355 A | C6 |
| PFA-06-250-BDC | 660Vac | 250kW | 250A | 400A | C6 |
