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Active Harmonic (Power) Filter

Technical Specifications
Rated Voltage
AC 400V, AC 690V
Electrical Specification
Input Voltage Range
AC 400V : AC 308V~480V
AC 690V : AC 432V~880V
Electric Connection
AC 400V : 3P3W/3P4W
AC 690V : 3P3W
Rated Frequency
50Hz (60Hz) +/- 10%
Input Voltage THD Range
≤15%
Rated Current per Module
AC 400V : 50Amp, 75Amp, 100Amp
AC 690V : 100Amp
Rated Current per Cabinet
AC 400V : 50~525Amp (module combination)
AC 690V : 100~500Amp (module combination)
Redundancy
Each module is an independent filtering system
Harmonic Elimination Range
AC 400V : 2rd ~ 50th order (Selectable)
AC 690V : 2rd ~ 31st order (Selectable)
Harmonic Filtering Degree
0 ~ 100% programmable per harmonic in Ampere value
Harmonic Filtering Performance
Filter up to 98% harmonics at rated load, THDv<3%, THDi<5% after filtering
Reactive Power Compensation Capability
Both inductive and capacitive reactive power
Reactive Power Compensation Performance
PF≥0.99 after compensation (if the APF capacity is sufficient)
Imbalance Correction Capability
AC 400V : Mitigate negative and zero sequence
AC 690V : Mitigate negative sequence
Full Response time
<20ms
Instant Response time
<100us
Thermal Loss
≤3% of APF rated capacity (kVA)
Output Current Limitation
Automatic (100% rated capacity)
Parallel Expansion(System)
AC 400V : Up to 10 Racks(7 modules per cabinet)
AC 690V : Up to 10 Racks(5 modules per cabinet)
MTBF
>100,000 hours
Control Technology
Switching Frequency
AC 400V - 50A, 75A : 60kHz
AC 400V - 100A : 30kHz
AC 690A : 20kHz
Controller
DSP control
Communication
Modbus Protocol, RS232/485
Monitoring
PQC Monitor Software (Optional)
Physical Specification
IP Grade of Cabinet
IP20, IP30 or customization
Cooling method
Intelligent forced air cooling
Noise Level
AC 400V : < 65dB(A) @1m (Module)
AC 690V : < 70dB(A) @1m (Module)
Dust Filter
Optional
Dimension
Refer to APF Model table
Weight
Refer to APF Model table
Environmental Requirement
Ambient Temperature
-10~50 ℃
Relative Humidity
0~95%
Altitude
≤ 1000m Rated Capacity,
1000-2000m (derating 1% per 100m)
* All specifications are subject to change without prior notice.
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