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| Categories | Active Harmonic Filter AHF |
|---|---|
| Harmonic Filtering Range: | 2nd - 50th harmonic, independently selectable |
| Overload Capacity: | 110% rated current, 1 minute |
| Display Interface: | Intelligent LCD touch screen HMI |
| Delivery Time: | 15-30 working days after deposit confirmation |
| Model No.: | ND-AHF-200-690-3W |
| Enclosure Protection Degree: | Floor-standing cabinet with multiple parallel AHF modules, IP54 |
| Dynamic Response Time: | <= 100 us detection; full compensation within 10 ms |
| MOQ: | 1 Set |
| Price: | USD 7800-12500 / Set |
| Product Type: | Active Harmonic Filter AHF (active power filter) |
| Protection Functions: | Over-voltage, under-voltage, over-current, over-temperature, short-circuit and phase-loss protection |
| Warranty: | 36 months with 100% inspection before shipment |
| Rated Current: | 200 A |
| Compensation Modes: | Harmonic filtering; optional reactive power compensation and three-phase load balancing |
| Communication: | RS485 (Modbus-RTU), dry contacts; Ethernet optional |
| Noise Level: | <=65 dB(A) |
| Brand Name: | NengDu |
| Wiring Mode: | Three-phase three-wire (3P3W) |
| Dimensions W x D x H: | 1000 x 1000 x 2200 mm |
| Packaging Details: | Export-grade wooden case with shock-proof inner protection |
| System Frequency: | 50/60 Hz (auto-adaptive) |
| Cooling Method: | Intelligent forced-air cooling with temperature-controlled fans |
| Supply Ability: | 1000 Sets per Month |
| Residual THDi: | < 5% (typically < 3% at full load) |
| Filtering Efficiency: | > 97% |
| Certification: | ISO 9001:2015, CE |
| Installation: | Parallel connection to the power grid; modular parallel expansion supported |
| Place of Origin: | Shanghai, China |
| Rated Voltage: | 690V AC (three-phase) |
| Weight: | Approx. 880 kg |
| Model Number: | ND-AHF-200-690-3W |
| Payment Terms: | T/T,L/C,Western Union |
| Altitude: | <= 2000 m (derating above 2000 m) |
| Standards Certification: | ISO 9001:2015, CE, IEC 61000 series |
| Company Info. |
| Shanghai Nengdu New Energy Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The ND-AHF-200-690-3W is a 690V 200A high-power AHF Active Harmonic Filter AHF system designed to eliminate harmonic oscillations and reduce operating costs. It is engineered for high-power 690V industrial environments such as mining, mineral processing, oil and gas and large rolling mill applications, and can be flexibly customized to achieve power factor improvement and load balancing, significantly improving the power quality of the connected power grid.
The ND-AHF-200-690-3W is a power-electronics based Active Harmonic Filter AHF which detects harmonic components of the load in real time and injects equal and opposite compensation currents into the grid. As a result, the grid current becomes nearly sinusoidal, harmonics are suppressed at the source, and sensitive equipment operates safely and efficiently.
Key features of this 690V 200A high-power AHF Active Harmonic Filter AHF:
Reasons to choose our 690V 200A high-power AHF Active Harmonic Filter AHF for your power quality project:
Technical parameters of the ND-AHF-200-690-3W Active Harmonic Filter AHF (typical standard configuration, customizable to your grid):
| Model No. | ND-AHF-200-690-3W |
| Product Type | Active Harmonic Filter AHF (active power filter) |
| Rated Voltage | 690V AC (three-phase) |
| Wiring Mode | Three-phase three-wire (3P3W) |
| Rated Current | 200 A |
| System Frequency | 50/60 Hz (auto-adaptive) |
| Harmonic Filtering Range | 2nd - 50th harmonic, independently selectable |
| Residual THDi | < 5%% (typically < 3%% at full load) |
| Compensation Modes | Harmonic filtering; optional reactive power compensation and three-phase load balancing |
| Dynamic Response Time | ≤ 100 μs detection; full compensation within 10 ms |
| Filtering Efficiency | > 97%% |
| Overload Capacity | 110%% rated current, 1 minute |
| Cooling Method | Intelligent forced-air cooling with temperature-controlled fans |
| Noise Level | <=65 dB(A) |
| Display Interface | Intelligent LCD touch screen HMI |
| Communication | RS485 (Modbus-RTU), dry contacts; Ethernet optional |
| Protection Functions | Over-voltage, under-voltage, over-current, over-temperature, short-circuit and phase-loss protection |
| Enclosure / Protection Degree | Floor-standing cabinet with multiple parallel AHF modules, IP54 |
| Installation | Parallel connection to the power grid; modular parallel expansion supported |
| Dimensions (W x D x H) | 1000 x 1000 x 2200 mm |
| Weight | Approx. 880 kg |
| Altitude | ≤ 2000 m (derating above 2000 m) |
| Standards / Certification | ISO 9001:2015, CE, IEC 61000 series |
| Warranty | 36 months with 100%% inspection before shipment |
Frequently asked questions about this Active Harmonic Filter AHF:
Q: How to install and expand capacity?
A: Connect the Active Harmonic Filter AHF in parallel to the power grid for easy installation; multiple units can be connected in parallel for capacity expansion according to load growth.
Q: Are you a manufacturer or a trader?
A: We are an industry and trade integrated new energy supplier, specializing in the R&D and production of NengDu Active Harmonic Filters.
Q: Is OEM/ODM available?
A: Yes, we support customized LOGO, packaging and functions.
Q: What is the difference between active harmonic filters and passive filters?
A: Active harmonic filters feature dynamic compensation, high accuracy and no resonance risk; passive filters are lower cost but prone to resonance.
Q: What effects can be achieved with an active harmonic filter?
A: Reduce harmonic distortion, lower equipment heating, improve power factor and prevent equipment tripping.
Q: What is the warranty period?
A: 100% inspection before shipment, with a 36-month warranty provided.
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