Design Methods of Underwater Grounding Electrode Array by Considering Inter-Electrode Interference for Floating PVs

被引：6

作者：

Bhang, Byeong Gwan ^{[1
]}

Kim, Gyu Gwang ^{[1
]}

Cha, Hae Lim ^{[1
]}

Kim, David Kwangsoon ^{[1
]}

Choi, Jin Ho ^{[1
]}

Park, So Young ^{[1
]}

Ahn, Hyung Keun ^{[1
]}

机构：

[1] Konkuk Univ, Dept Elect Engn, 120 Neungdong Ro, Seoul 05029, South Korea

来源：

ENERGIES | 2018年 / 11卷 / 04期

关键词：

floating PVs; underwater grounding electrode array; inter-electrode interference; RENEWABLE ENERGY; SOLAR PV; PORTFOLIO STANDARDS; POWER; POLICIES; SYSTEM; WATER; TECHNOLOGIES; PERFORMANCE; GENERATION;

D O I：

10.3390/en11040982

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

An optimal design method is proposed in this paper to improve the safety and price competitiveness of floating photovoltaic (PV) systems. From the standards for grounding by the International Electrotechnical Commission (IEC) 60364, the Electrical Equipment Technology Standards (EETS) are set up for the grounding resistance to be less than or equal to 10 Omega for high voltage (above 750 V DC) and extra high voltage (above 7000 V) systems. In order to satisfy this criterion, a parallel connection of grounding electrodes is essential in the system. Furthermore, inter-electrode interference should be considered to reflect the resistance increase due to the potential increase between electrodes. Therefore, in this study, the parallel grounding resistance according to the distance and number of electrodes, as well as the arrangement method were theoretically predicted and compared with the measured values. For the first time, the design of grounding electrodes has been applied to real floating PV systems and is expected to satisfy EETS.

引用

页数：16

共 34 条

[1] Site selection for new PV power plants based on their observability [J].