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Active Harmonic Filter

Active Harmonic Filter

  • Min.Order Quantity: 1 Set
  • Supply Ability: 200 Sets per Month
  • Port: Qingdao
  • Payment Terms: L/C,T/T
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Experience:2012-12-26
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Product Details
  • Place of Origin:  Jinan
  • Brand Name:  Hoteam
  • Model Number:  HTQF

Introduction:


Hoteam HTQF active power filter (APF) provides a truly effective harmonic solution with the advanced active harmonic compensation technology. HTQF APF behaves like a harmonic current generator. It measures harmonic currents generated by nonlinear loads and cancels the harmonics by generating currents with the same amplitude but opposite phase of the harmonics and injecting it to the lines to make the source current sinusoidal.


Functions:


  • Harmonic compensation: HTQF AHF module has unprecedented filtering efficiency thanks to the unique algorithm and individual harmonic selection capability:

       –Selection of harmonics up to the 50th harmonic

       –Harmonic attenuation factor better than 97%.

       –Desired harmonic levels can be preset for each selected harmonic

       –Compliance with all aspects of harmonic regulations including compliance with individual harmonic limits

       –Resolving harmonic problems due to both low frequency and high frequency harmonics

       –Increase system reliability especially for electrical distribution network with high THDv


  • Dynamic reactive compensation function: HTQF AHF module can perform stepless reactive power compensation of inductive and capacitive loads:

       – Avoid penalties from utilities

       – Allow generator compensation without the risk of overcompensation

       – Compensate capacitive loads such as modern blade-server systems, allowing for UPS-systems to run at nominal               rating


  • Unbalance correction: HTQF AHF module can perform load balancing in both 3- and 4-wire systems

      –Reduce the impact on the loads due to voltage unbalance.

      –Reduce the voltage drop between neutral and earth. This increases the safety of the installations and allows sensitive         loads to operate.


  • Four programmable task-priority working modes: 

     –HTQF AHF module offering the most flexible power quality solution for harmonic filtration as well as power fact or               correction (PFC), including: Harmonic first mode, Reactive power first mode, Harmonic only mode, Reactive power             only mode. Users can select the working mode freely via HMI depending on site conditions.

  • Place of Origin:  Jinan
  • Brand Name:  Hoteam
  • Model Number:  HTQF
Electrical Parameters
Rated Voltage 400V (-20% ~ 15%)
Rated Frequency50/60Hz±5%
Wire System3P3W or 3P4W
Performance Parameters
Harmonic Filtering Efficiency≥97%
Harmonic Spectrum2nd to 50th harmonics
Selective Harmonic Compensation

2nd to 50th harmonics all can be selected individually, up to 20 harmonics can be filtered simultaneously

Response Time

Instantaneous response time < 0.1ms

Full response time < 20ms
Neutral Current Compensation

3 times the RMS line current, capable of zero-sequence

harmonic compensation for 3P4W model
Working Mode
Reactive power first, Harmonic first, Unbalance correction first, Reactive power only, Harmonic only, Unbalance correction only
Power Factor Correction
Targeted power factor programmable from 0.6 (inductive) to 0.6 (capacitive)
Unbalance Correction Capability
To correct unbalance factor to less than 5% within capacity
Power loss
Less than 3% of rated power
Protections
Over-voltage, Undervoltage, Inverter overcurrent, Over-temperature, Overload, etc.
Patent
ZL201010275272.4 Resonance mitigation method for AHFs and SVGs
HMI and Interface
HMI Display 
7-inch touch-screen
Communication Interface
RS-232,RS-485 as standard, WIFI module and GPRS modem available on request
Communication Protocol
MODBUS-RTU
Operation Configuration
Maximum Modules in Parallel
Up to 12 units
CT Requirements
3 CT s required (class 0.5 or better), Secondary rating: 5A
CT Location
CT location programmable on site for single unit applications. When multiple APFs operate in parallel, please specify source side or load side when placing order.
Cabinet
Protection Class 
IP20, (higher protection classes available on request)
Material and Color
2 mm sheet steel with Aluzink coating, RAL9004 (higher protection classes and color available on request)
Environment Requirements
Operation Temperature
-10-55℃
Storage Temperature
-25-70℃
Humidity
Maximum 95% non-condensation
Altitude
2000m (higher operation altitude allowed with derating)



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