100a Active Harmonic Filter

Active harmonic filter(SiC) is a new generation of active power filter (APF) designed with silicon carbide materials. Its dual-core design offers faster operation, lower losses, and higher device efficiency (>99%). In addition to dynamically compensating for harmonics, APF products can also compensate for reactive power, addressing power quality issues such as voltage fluctuations and flicker. APF products utilize state-of-the-art control technology for fully automated control, making them the preferred choice for harmonic elimination.

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Products Description

SiC Active Harmonic Filter is a next-generation, fully digital harmonic elimination device developed in-house by us. Compared with traditional technology, it offers distinct advantages such as faster response time, compact size, enhanced functionality, easy installation and maintenance, and straightforward commissioning. It can effectively address power quality problems with ease. APF dynamically compensates for harmonics, effectively addressing such problems as low power factor and three-phase imbalances in power quality.

The main power device adopts the next-generation semiconductor component SiC Mosfet, which offers a switching frequency greater than 100kHz, high power density, low loss, and high efficiency, with a harmonic filtering rate of up to 97%. It supports multiple compensation modes, including harmonics, reactive power, and three-phase imbalance. The PCBA is fully sealed, ensuring protection against dust, condensation, and salt spray. The device offers flexible installation options (cabinet-mounted or wall-mounted), and maintenance is straightforward.

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Product Features

product-1267-618

Data Sheet

Electrical parameters
Wiring method	Three-phase three-wire, three-phase four-wire
Operating voltage	380V/220V±20%
Operating frequency	50/60Hz, ±10%
Product specifications	30A, 50A, 75A, 100A, 150A
Current transformer specifications	50:5 ~ 20000:5, 50:1~20000:1
Noise	＜65dB
Technical features
Switching devices	SiC Mosfet
Switching frequency	>100kHz
Heat dissipation methods	Intelligent air cooling
Heat dissipation control	Adaptive fan speed adjustment
Protection functions	Output overcurrent protection, output current limiting protection, over-temperature protection, DC bus overvoltage protection, AC input undervoltage protection, AC input overvoltage protection, control system fault protection, main circuit component damage and disconnection protection
Compensation performance
Harmonic filtering rate	＞97%
Overall efficiency	≥99%
Active power loss	＜1%
Harmonic filtering range	Harmonics from 2nd to 50th can be individually controlled and configured.
Total response time	＜5ms
Resonance suppression	Active inhibition
Display Interface
Display screen	7-foot full-color touchscreen
Language	Chinese, English, and customizable languages.
Battery display	Displays data including distortion rate, power factor, power, voltage, and current.
Communication interface and protocol type	RS485, TCP/IP, Modbus protocols, and 4G long-distance data transmission.
Environmental conditions
Operating temperature	-25℃~+50℃
Relative humidity	<95%, no condensation
Altitude	<5000 meters (above 1000 meters, capacity decreases by 1% for every additional 100 meters)
Others
Protection level	IP20 rating, other ratings available upon request.
Installation method	Rack-mount, wall-mount, integrated cabinet configurations.

Q&A

Silicon IGBT vs. SiC MOSFET AHF Cooling

Feature	Silicon IGBT AHF	Silicon Carbide (SiC) AHF
Primary Heat Source	High switching and conduction losses.	Significantly lower switching losses.
Heat Load	Higher for a given power rating.	Lower for the same power rating.
Cooling System Size	Larger heat sinks, more powerful fans.	Smaller heat sinks, smaller/quieter fans.
Preferred Cooling Method	Forced Air (low-med power), Liquid (high power).	Forced Air for a wider power range. Liquid for ultra-compact designs.
Thermal Stress	Higher, leading to more wear on components.	Lower, leading to increased system lifespan.
Acoustic Noise	Typically louder due to higher fan speeds.	Typically quieter.
Ambient Temp Tolerance	Standard. Performance may derate in high temps.	Better. Can often maintain full rating in higher ambient temperatures.

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