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The use for Distributed or Disperse Generation is rapidly increasing in modern distribution networks because for their potential advantages.LCL filters have very high gain at filter cutoff frequency, so naturally if that frequency gets excited then system will oscillate. As a result system becomes highly sensitive to outside disturbances. One way for reducing resonance oscillation in current & voltage for system is by adding a passive damping circuit to filter. This damping circuit may be purely resistive or more complex solution consisting for a combination for resistors, capacitors and inductors. A more attractive option is use for active damping where output voltage from converter is used (suitable control action) to damp out resonance oscillations. Greater emphasis is given to active damping in current work. few for techniques are available in literature based on current control strategy for converter, however all above methods resolve problem up certain level however still problem remains that to deal with switching frequency and so harmonics may be reduced proposed work has come up with a new design in which 2-LCL type filter which has high efficiency and high attenuation than previous and better response at high frequencies.
Keywords:
THD – Total Harmonic Distortion, VSI – Voltage Source Inverter, RMS – Root Mean Square, PID - Proportional, Integral and Derivative
Cite Article:
"Design of LCL-LCL Harmonics Filters for Grid Connected Photo Voltaic Cell Array", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.3, Issue 7, page no.45 - 51, July-2018, Available :http://www.ijrti.org/papers/IJRTI1807007.pdf
Downloads:
000204762
ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator