• KGHS Series Electrolytic Cleaning Rectifier Device
• KGHS series electrolytic cleaning rectifiers adopt thyristor rectification technology. It is a special thyristor rectifier used for electrochemical...

• SCR Electrolytic Rectifier
• SCR electrolytic rectifier adopts SCR rectification technology. As a special electrolysis rectifier, this product is mainly used in electrochemistry, including...

• KGHS-6DD (12DD)-PLC KGHS-6DD (12DD)-PLC Series SCR Electrolytic Rectifier
• kGHS series SCR electrolytic rectifiers adopt thyristor rectification technology. As a dedicated thyristor rectifier, it is mainly used for ...

• Inverter Soft Switch Electrolytic Rectifier
• This electrolytic rectifier adopts IGBT high frequency inverting soft switch rectifier technology. It is mainly used as all kinds of metal and nonmetal surface ...

• Silicon Controlled Electroplating Rectifier
• This electroplating rectifier adopts 6 pulse or 12 pulse SCR rectifier. The KGDF series electroplating rectifier is mainly used as all kinds of metal ...

• KGDF/KGDF(S)/KGSF21-150A-230V Silicon Controlled Electroplating Rectifier
• KGDF series silicon controlled electroplating rectifiers adopt 6-pulse or 12-pulse thyristor rectifier. These silicon controlled rectifier are mainly ...

100A Active Harmonic Filter (AHF) Reduce Harmonic THDI <5%

100A Active harmonic filter (AHF) reduce harmonic THDI <5%

AHF Introduction   

Active harmonic filter (AHF) is a new active electronic harmonic filtering device to reduce voltage harmonic and current harmonic and improve power quality.

 

Based on voltage source inverter, it's connected in parallel with non-linear loads which need to be compensated.

 

For compensating reactive power and harmonic current which is with changing Amp and frequency, it overcomes the shortcomings of traditional passive filter. It has the advantages of high compensation accuracy and fast dynamic response etc.

Main Specification

 

Rated current AHF	50A	100A	150A	200A	300A	400A
Rated Voltage	AC380V±15%/AC660V±15%
Electrical Wiring	3P3W, 3P4W
Rated Working Frequency	50/60Hz±5%
Compensation mode	1. Compensate harmonics, specified harmonic select 2. Compensate harmonic and reactive power

Filter Range	2-50 harmonics(specified harmonic selectable)
Filter level	Amplitude compensation setting for specified harmonic
Auto Current Limitation	Yes
Auto Diagnosis and Protection	Overheat protection, heatsink exceeds 65℃, fans will start automatically
	Voltage loss protection(system voltage lower than UN85%), breaker carries out voltage loss protection
	Load over current protection
	Compensation over current protection
	System voltage protection
	DC voltage protection
	IGBT protection(IGBT inside temperature exceed 108℃, alarm for IGBT fault)
Impulse current	2 times of IGBT rated current
Efficiency	97%
Overload ability	120%
Multi-Unit Operation Mode	Parallel operation
Switching Frequency	6k-25.6kHz
Response Time	≤5ms
Controller	DSP
Display Mode	Touch screen
Communication Function	Modbus RTU Protocol
Control Connection	Fiber or electrical connection
IP Grade	IP30
Cooling Method	Intelligent wind cooling
Power consumption	<3%
Noise	≤65dB  (A Sound level)
Ambient temperature	-5°C ~ +40°C, and 24h average temperature is not higher than +35°C
storage temperature	-20°C〜65°C
Relative humidity	Installation altitude is less than 1000 meters

AHF working principle

System Connection Diagram

AHF Type

Looking for 100a active harmonic filter (ahf) reduce harmonic thdi <5%? Chengdu General Rectifier Research Institute is one of the professional manufacturers and suppliers. We have been dedicated to this field for over 20 years and already exported products to India, USA, Germany, etc. Equipped with a productive factory, we warmly welcome you to buy our high quality products made in China at competitive price or try our customized service.