Technical and Economic Analysis of an HVDC Transmission System for Renewable Energy Connection in Afghanistan
Technical and Economic Analysis of an HVDC Transmission System for Renewable Energy Connection in Afghanistan
复制标题
阿富汗可再生能源接入高压直流输电系统的技术和经济分析
DOI：
10.3390/su14031468
复制
发表时间：
2022
期刊：
影响因子：
3.9
通讯作者：
T. Senjyu
中科院分区：
文献类型：
--
作者：
Gul Ahmad Ludin;Akito Nakadomari;A. Yona;Suresh Mikkili;S. Rangarajan;E. R. Collins;T. Senjyu
国内发电厂老化和不足，以及电力进口不安全、不可靠和昂贵，对阿富汗电力部门构成重大挑战。另一方面，由于缺乏适当的输电网，国内可再生能源资源没有得到充分开发，尽管全国各地有丰富的资源潜力。本文提出了一种基于电压源换流器（VSC）的高压直流（HVDC）输电线路，将西部具有巨大太阳能和风能潜力的赫拉特省连接到该国首都和主要负荷中心喀布尔。针对高压交流（HVAC）技术进行了技术经济分析，以确定拟议输电系统的适用性和有效性。计算了有功、无功和电晕损失作为技术参数，并采用贴现现金流（DCF）法对两种技术进行了经济比较。研究结果表明，该输电工程的实施在技术经济上是可行的，并能保证国家的能源安全和经济稳定。
Aged and insufficient domestic power plants and insecure, unreliable and expensive power imports pose significant challenges for the power sector of Afghanistan. On the other hand, due to the absence of a suitable transmission grid, the internal renewable energy resources are not adequately developed, despite their abundant resource potential throughout the country. This paper proposes a voltage source converter (VSC)-based high-voltage direct current (HVDC) transmission link to connect the Herat province in the west, which has huge solar and wind energy potential, to Kabul, the capital of the country and the main load center. A techno-economic analysis of this HVDC against high-voltage alternating current (HVAC) technology was performed to determine the suitability and effectiveness of the proposed transmission system. The active, reactive and corona losses were calculated as the technical parameters and the discounted cash flow (DCF) method was deployed to economically compare both technologies. The outcomes of the paper disclose that the implementation of this transmission project is techno-economically feasible, and can result in the energy security and economic stability of the country.