AHF Functions
Meeting users' requirements:
- PF=0.99 and THDi < 5%
- Compensation for 2- to 50-order harmonics
- Capacitive and inductive reactive power compensation
- Three-phase unbalance co
- Parameter
| Active Harmonic Filter | |
| Rated input | 400V/690V(-20%-+15%) |
| Power grid frequency | 50Hz/60Hz ( range: ±10%） |
| Parallel operation | Unlimited |
| Overall efficiency | ≥ 97% |
| Power grid structure | 3P3L, 3P4L |
| CT | 150/5 ～ 10,000/5 |
| Performance indicators | |
| Rated capacity | 35A/50A/60A/100A/150A |
| Harmonic compensation | Available |
| Reactive power compensation | Available |
| Unbalance compensation | Available |
| Filtering range | 2 to 50 orders |
| Filtering degree | Adjustable from 2 to 50 |
| Filter performance | THDi< 5% |
| Overall response time | < 10ms |
| Target power factor | Adjustable from -1 to +1 |
| Control algorithms | FFT,Intelligemt, and instantaneous reactive power |
| Switching frequency | 20kHz |
| Noise level | ＜ 60dB |
| Communications and monitoring capabilities | |
| Communications ports | RS485,and network port |
| Communications protocols | TCP/IPPMBus, Modbus, and TCP/IP |
| Module display interface | Touch screen |
| PC software | Optional |
| Protection functions | over-valtage protection, under-voltage protection, short-circuit protection, inverter bridge inverse protection,over-compensation protection, and so on |
| Fault alarm | Available, at most 500 alarm records |
| Monitoring | Independent monitoring and centralized monitoring |
| Mechanical properties | |
| Altitude | 1% up 1500 m. Between 1500 m to 4000 m, according to GB/T3859.2, the power decreases by 1% for every additional 100 m. |
| Operating temperature | -10℃ ~ +40℃ |
| Relative humidity | 5% to 95%, non-condensing |
| Protection class | IP20 (other IP classes are customizable.) |
Jan. 15, 2021
