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RISS 인기검색어
- 검색키워드
- 저자 : Talha Younas (검색결과 3 건)
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Munir, Hafiz Mudassir,Zou, Jianxiao,Xie, Chuan,Li, Kay,Younas, Talha,Guerrero, Josep M. The Korean Institute of Power Electronics 2019 JOURNAL OF POWER ELECTRONICS Vol.19 No.1
The application of shunt active power filters (S-APFs) is considered to be the most popular approach for harmonic compensation due to its high simplicity, ease of installation and efficient control. Its functionality mainly depends upon the rapidness and precision of its internally built control algorithms. A S-APF is generally operated in the current controlled mode (CCM) with the detection of harmonic load current. Its operation may not be appropriate for the distributed power generation system (DPGS) due to the wide dispersion of nonlinear loads. Despite the fact that the voltage detection based resistive-APF (R-APF) appears to be more appropriate for use in the DPGS, the R-APF experiences poor performance in terms of mitigating harmonics and parameter tuning. Therefore, this paper introduces a direct harmonic voltage detection based control approach for the S-APF that does not need a remote harmonic load current since it only requires a local point of common coupling (PCC) voltage for the detection of harmonics. The complete design procedure of the proposed control approach is presented. In addition, experimental results are given in detail to validate the performance and superiority of the proposed method over the conventional R-APF control. Thus, the outcomes of this study approve the predominance of the discussed strategy.
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Hafiz Mudassir Munir,Jianxiao Zou,Chuan Xie,Kay Li,Talha Younas,Josep M. Guerrero 전력전자학회 2019 JOURNAL OF POWER ELECTRONICS Vol.19 No.1
The application of shunt active power filters (S-APFs) is considered to be the most popular approach for harmoniccompensation due to its high simplicity, ease of installation and efficient control. Its functionality mainly depends upon therapidness and precision of its internally built control algorithms. A S-APF is generally operated in the current controlled mode(CCM) with the detection of harmonic load current. Its operation may not be appropriate for the distributed power generationsystem (DPGS) due to the wide dispersion of nonlinear loads. Despite the fact that the voltage detection based resistive-APF(R-APF) appears to be more appropriate for use in the DPGS, the R-APF experiences poor performance in terms of mitigatingharmonics and parameter tuning. Therefore, this paper introduces a direct harmonic voltage detection based control approach forthe S-APF that does not need a remote harmonic load current since it only requires a local point of common coupling (PCC)voltage for the detection of harmonics. The complete design procedure of the proposed control approach is presented. In addition,experimental results are given in detail to validate the performance and superiority of the proposed method over the conventionalR-APF control. Thus, the outcomes of this study approve the predominance of the discussed strategy.
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Waqas Ahmad Wattoo,Ghulam Sarwar Kaloi,Muhammad Yousif,Mazhar Hussain Baloch,Baqar Ali Zardar,Jehangir Arshad,Ghulam Farid,Talha Younas,Sohaib Tahir 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.1
The escalating energy demand across the globe has intensifed the electricity production. Owing to the unavailability of the reliable techniques for electricity storage for a long duration, it is consumed immediately after its production. Therefore, electricity markets can’t be handled like the conventional stock markets. Power companies are facing immense price and delivery risks owing to the increasing competition in the electricity markets. As a result, risk management is the fundamental concern to be addressed in order to achieve the optimum proft targets. Consequently, the power generation organizations need to allocate their generation in bilateral contracts and spot market. For this purpose, an optimal theory of portfolio selection is proposed in this study for electricity generation by forming a reliable prototype and applying the proposed scheme to obtain the suitable outcomes. The Paris Accord on environmental safety from carbon dioxide and NOx gases is especially considered during the modeling of the proposed technique. The credibility of the proposed scheme is validated by using the real-time market data from the PJM market. Various risk-return tradeofs are implemented, and their corresponding solutions are acquired for portfolio optimization as corroborated by the results. The suggested technique is found reliable and adequate for the carbon tax paying suppliers around the world for allocating their respective generation based on the demand of the consumers.
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