thd corrector AHF harmonic filter
thd corrector AHF harmonic filter
thd corrector AHF harmonic filter
thd corrector AHF harmonic filter
thd corrector AHF harmonic filter
thd corrector AHF harmonic filter
thd corrector AHF harmonic filter

thd corrector AHF harmonic filter

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Product Overview

Description



Product Description






YTPQC-AHF Active Harmonic Filter is a perfect comprehensive solution to power quality problems with power grid such as harmonic wave, reactive power, and three-phase load unbalance. YTPQC-AHF Active Harmonic Filter is connected in parallel in power grid, to detect the harmonic wave in power grid in real time, generate the reverse-phase compensation current through the converter, and dynamically filter the harmonic wave in power grid. The operation of YTPQC-AHF is unaffected by power grid structure and load type, and it will not produce harmonic oscillation with the system, thus perfectly realizing harmonic wave control of various loads. YTPQC-AHF Active Filter can also realize dynamic reactive compensation, and control the capacitor switching, to improve the power factor of power grid. Meanwhile, YTPQC-AHF Active Harmonic Filter has the function of controlling the three-phase load current unbalance, thus comprehensively solving various power quality problems with power grid.






YTPQC-AHF based on three-level topology, is an Active Harmonic Filter（AHF）system designed to eliminate harmonic oscillations and reduce costs consequently. YTPQC-AHF is a versatile solution, easily tailored to deliver power factor improvement, voltage variation control, flicker mitigation and load balanced functionality, and highly improved power quality in networks while reducing harmonic pollution.




YTPQC-AHF Active Harmonic Filter has a advanced modular design. Usually YTPQC-AHF consists of one or several AHF modules is an independent harmonic filtering system, and users can change the harmonic filtering system by adding or removing AHF modules.
According to the mounting type, YTPQC-AHF can be divided into Rack module, Wall-mounted and free landing AHF.






AHF Features and Benefits


YTPQC Active Harmonic Filter has advanced features like active harmonic filtering， reactive power compensation, load balancing and capacitors controlling, as a one-stop solution for power quality management. YTPQC-AHF helps to installations compliant with prevailing power quality regulations by mitigating harmonic distortion, load unbalance and reactive power.


Leading Technology
· Three level topology
· Ultra-compact modular design
· Fastest switching frequency: 25.6kHZ
· Lowest power consumption: ≤5%
· Leading dissipation technology
Optical Harmonic Filter
· Self-adaptive algorithm（ADALINE）
· THDi less than 5% at rated load
· High filtering efficiency up to 98%
· Fast response time less than 5ms
· Selective or full compensation


Best Power Quality Control
· Continuous power factor correction
· Both capacitive and inductive control
· Precise PF maintain -1.0≤cos≤1.0
· 3 phase load balance less than 5%
· Mitigates neutral current
High Quality Assurance
· TI DSP, Infineon or Semikron IGBT
· High stability, avoids resonance
· Both hardware and software protection
· High Reliability Test
· Good environmental adaptability


YTPQC-AHF Data Sheet




Specifications
Rated voltage
AC 220V~480V
Place of Origin
Working frequency
50/60Hz ±5%
Circuit topology
Three-level
Brand Name
Wiring mode
3P3W,3P4W
Model Number
Scope of filters
2nd to 50th odd harmonics (the order can be chosen)
Color
Effect of smoothing governance
Rate of Harmonic filtering ≥97%; THDi<5% after systematic control
Voltage
Compensation mode
Harmonic compensation, Reactive compensation,
Three-phase load unbalance compensation
Current
Effect of reactive compensation
COSΦ≥0.99(after compensation)
Product Name
Effect of Three-phase unbalance compensation
The unbalance degree of three-phase active current is less than 5% after compensation within the rated capacity.
Working Frequency
Initial response time
<50us
Initial Response Time
Response time
<5ms
Response Time
Active loss of system
<2.5%
Level of protection
Output current limit
Automatically restricted within 100% of rated capacity when outputting
MTBF
Number of units (connected in parallel)
≤12 units (single CT)
Noise
MTBT
>100,000 hours
Control characteristics
Controller
DSP+FPGA
Ambient temperature
Control algorithm
Self-adaptive control algorithm
Cooling method
Communication mode
Modbus remote communication protocol is adopted, RS485 and Can Bus are used for communication interface, which supports mobile
phone app operation.
Control connection
Fiber or electrical connection
Structural characteristics
Weight
Refer to the model selection table.
Level of protection
IP20
Cooling method
Forced air-cooling
Noise
<60db (<45db during low-speed operation)
Installation method
Module embedded installation
Environmental requirements
Ambient temperature
-20~55℃
Relative humidity
Maximum 95%, without condensation
Mounting height above sea level
≤2,000m at rated capacity; appropriately reduce the capacity if it is greater than 2,000m




Successful Projects


In the hospital, the use of new medical equipment, such as X-ray machines, CT scanners, MRI scanners, and others is increasing in hospitals. Equipment loads contain a high volume of harmonic current, and can impact the hospital power distribution system thereby reducing power quality. YTPQC-AHF Active Harmonic Filters can effectively cancel the harmonic current created by new medical equipment in industrial applications. YTPQC-AHF bring power quality benefits to variety of industries including the following,
• Food & beverage industry
• Automotive industry
• Oil & gas industry
• Paper & Chemical industry
• Pharmaceutical industry
• Textile & clothing industry
• Steel industry
• Cement industry
• Microelectronic manufacturers
• Other industries with AC or DC drives






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