Author
Alsalem Mohammed Hassan
Bio: Alsalem Mohammed Hassan is an academic researcher from Kogakuin University. The author has contributed to research in topics: Photovoltaic system. The author has an hindex of 2, co-authored 2 publications receiving 5 citations.
Topics: Photovoltaic system
Papers
More filters
Journal Article•
TL;DR: In this paper, two solutions for PV operation are proposed, one is use of the SVC and the other is that of the reactor, which are shown to improve ac voltage stability and to be feasible for the PV operation in desert areas.
Abstract: Large photovoltaic power generation facilities are expected to be installed in desert areas and provide electricity to rural areas through long cable transmission lines. However, ac transmission networks in such areas are usually inadequate for stable grid operation. One problem to be solved is voltage instability when large photovoltaic power generation facilities are connected to weak power grids. In this paper, two solutions for PV operation are proposed. One is use of the SVC and the other is that of the reactor. By conducting computer simulations on a test system, the proposed solutions are shown to improve ac voltage stability and to be feasible for the PV operation in desert areas. Keywords-component; Photovoltaic generation; SVC; Rector; Voltage stability;
3 citations
24 Dec 2013
TL;DR: In this article, two solutions for PV operation are proposed, one is use of the SVC and the other is that of the reactor, which are shown to improve ac voltage stability and to be feasible for the PV operation in desert areas.
Abstract: Large photovoltaic power generation facilities are expected to be installed in desert areas and provide electricity to rural areas through long cable transmission lines. However, ac transmission networks in such areas are usually inadequate for stable grid operation. One problem to be solved is voltage instability when large photovoltaic power generation facilities are connected to weak power grids. In this paper, two solutions for PV operation are proposed. One is use of the SVC and the other is that of the reactor. By conducting computer simulations on a test system, the proposed solutions are shown to improve ac voltage stability and to be feasible for the PV operation in desert areas. Keywords-component; Photovoltaic generation; SVC; Rector; Voltage stability;
2 citations
Cited by
More filters
01 Aug 2020
TL;DR: V voltage lift scheme has been used in the design of power DC-DC converters successfully which have high voltage transfer gain and comparison between hard switching and soft switching for long-distance power transmission is done using MATLAB/Simulink.
Abstract: In this paper, long-distance power transmission with ZVS-Ultra lift Luo converter from photovoltaic modules and transmission using an underground cable is studied. However, today's long-distance AC distribution system tends to have losses and causes voltage instability. To avoid such problems, the DC distribution system can be used and to implement DC distribution, underground cables can be used which are more reliable than overhead lines. In this paper voltage lift scheme has been used in the design of power DC-DC converters successfully which have high voltage transfer gain. The ultra-lift Luo converter with Zero Voltage Switching(ZVS) is introduced as a unique approach to the new technology, which produces high output voltage along with less switching losses. Power generation from PV modules, design and analysis of ultra lift Luo converter along with ZVS and comparison between hard switching and soft switching for long-distance power transmission is done using MATLAB/Simulink
13 citations
TL;DR: In this paper, the authors proposed a new long-distance power transmission system with superconducting cable from large-scale photovoltaic (PV) power generation along with the dynamic performance analysis.
Abstract: This paper proposes a new long-distance power transmission system with superconducting cable from large-scale photovoltaic (PV) power generation along with the dynamic performance analysis. The advantage of the proposed system is the reduction in the ac/dc conversion steps compared with the conventional one. As is well known, long-distance power transmission requires a dc system, and conventional dc power transmission system requires high dc voltage with low current to reduce losses. Such a high voltage has been achieved by dc/ac conversion with a boost chopper and an inverter from PV, and ac/dc conversion by a rectifier to dc cable. On the other hand, superconducting cable can transmit power with a lower voltage and higher current compared with conventional cable. This enables us to convert the dc voltage from PV plant to dc voltage to superconducting cable directly. Furthermore, the capacitance of the superconducting cable could be used for stable dc operation. In this paper, the system configuration, operation steps, controls, and characteristics verified by computer simulation are presented; eXpandable Transient Analysis Program (XTAP) is used for the simulation.
2 citations
TL;DR: In this paper, the authors present basic study results for dynamic stability improvement by large photovoltaic power generation, which is required to contribute actively to the ac power system operation.
Abstract: Large photovoltaic power generation facilities are installing in the world. These large power generation are required to contribute actively to ac power system operation. This paper presents basic study results for dynamic stability improvement by large photovoltaic power generation.