Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Khalid Mehmood Cheema"'
Autor:
Khalid Mehmood Cheema, Khizer Mehmood, Naveed Ishtiaq Chaudhary, Zeshan Aslam Khan, Muhammad Asif Zahoor Raja, Ahmed M. El-Sherbeeny, Ahmed Nadeem, Zaki Ud din
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e35776- (2024)
The power system incorporates renewable energy resources into the main utility grid, which possesses low or no inertia, and these systems generate harmonics due to the utilization of power electronic equipment. The precise and effective assessment of
Externí odkaz:
https://doaj.org/article/63ba8ed048c34adc96b96c589d72b414
Autor:
Muhammad Nouman Arif, Zaki Ud Din, Azhar ul Haq, Khalid Mehmood Cheema, Ahmad H. Milyani, Naeem-ul-Islam, Iqra Ashfaq
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Cascaded H-bridge 5-level inverters (CHB-5LIs) have gained significant traction in high-power applications owing to their capacity to produce high-quality output voltage with minimal harmonic distortion. However, their intricate architecture presents
Externí odkaz:
https://doaj.org/article/0604c16208e74a5eba2341b463491670
Autor:
Khalid Mehmood Cheema, Naveed Ishtiaq Chaudhary, Muhammad Faizan Tahir, Kashif Mehmood, Muhammad Mudassir, Muhammad Kamran, Ahmad H. Milyani, Z.M. Salem Elbarbary
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1704-1717 (2022)
The distributed generation (DG) integration into the power system is growing rapidly. Therefore, the power system experiencing low inertia and damping because DG possesses no or low inertia causes severe stability issues. Consequently, the virtual sy
Externí odkaz:
https://doaj.org/article/1e28f5179f344e83b52e552434bfcc72
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-15 (2022)
Abstract Power generation for renewable energy sources increased rapidly during last few years. Similarly, the high gain dc–dc boost choppers are taking place of conventional power converters used for photovoltaic (PV) appliances. Researchers are d
Externí odkaz:
https://doaj.org/article/13073ecadb1b452f90f28da9843a10dc
Autor:
Khaled Alkhaledi, Khalid Mehmood Cheema, Z. M. Salem Elbarbary, Woo-Hyung Park, Ahmed M. El-Sherbeeny
Publikováno v:
Frontiers in Energy Research, Vol 11 (2023)
The distributed power generation is increasing rapidly, and its integration into the power system is a critical issue for the existing power network. Therefore, a three-level converter is developed to access and control the medium voltage DC generate
Externí odkaz:
https://doaj.org/article/da04b3cc6b5d4fcabf91c0e2b2d9d378
Autor:
Zakiud Din, Jianzhong Zhang, Zheng Xu, Yaqian Zhang, Ahmad H. Milyani, Khalid Mehmood Cheema, Arshad Nawaz, Yipeng Song
Publikováno v:
IET Renewable Power Generation, Vol 16, Iss 5, Pp 807-834 (2022)
Abstract In recent years, the wind energy conversion system faces significant challenges for stable and secure operations, especially in the weak grid due to high penetration of wind energy into the grid. Doubly fed induction generator (DFIG) is one
Externí odkaz:
https://doaj.org/article/a1305c33273f41388395be9b01021a13
Publikováno v:
IET Electric Power Applications, Vol 15, Iss 12, Pp 1678-1691 (2021)
Abstract In this work, a novel dual‐stator hybrid excited linear flux switching machine (DSHELFSM) is proposed. The proposed machine is suitable for long‐stroke applications as all the excitation sources are mounted on a short mover and the stato
Externí odkaz:
https://doaj.org/article/061e250e62544328bfcda4b4732e5cf2
Autor:
Syed Waqar Azeem, Kashif Mehmood, Khalid Mehmood Cheema, Muhammad Faizan Tahir, Ahmed M. El-Sherbeeny
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 421-429 (2021)
A hybrid resonant three-level converter comprised of dual transformers is proposed in this paper, which is suitable for the application of distributed photovoltaic power accessing the medium voltage dc distribution network. The proposed converter can
Externí odkaz:
https://doaj.org/article/11fa075fdfc442e6b76000f36fd854da
Autor:
Tehzeeb-ul Hassan, Khalid Mehmood Cheema, Kashif Mehmood, Muhammad Faizan Tahir, Ahmad H. Milyani, Muhammad Akhtar
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 194-207 (2021)
This research utilizes a hybrid technology through resonant line-level control phase-shifted full-bridge (HR-LLC-PSFB) dc–dc converter. In this research, a line level control (LLC) auxiliary circuit is used to achieve zero-current soft-switching tu
Externí odkaz:
https://doaj.org/article/f801999da7c6410a97a5d3c4fa5bee5c
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 2354-2378 (2021)
Renewable energy sources are commonly available on earth; thus, both research and practical applications have drawn significant interest. In the large-scale renewable energy system, power quality in the grid, particularly harmonics and flickers, has
Externí odkaz:
https://doaj.org/article/d8a2b3c76c654658a06d62b6d505b871