Research on Safety Measures of Distributed PV generation System

摘要

Distributed PV generation system is an important way currently for distributed power construction. Affected by device characteristics and installation features, it suffers a higher probability of failure, so its impact on the public grid is more than ordinary electrical equipment. In order to prevent the failure of the distributed PV system, we analysis the various factors that affect the safe operation of distributed PV generation system. According to engineering practices, measures of lightning protection, relay protection and automatic device, maintenance and protection, preventing damages caused by small animals, spot investigation, safety signs, spot check and acceptance, operation management are put forward and discussed in detail. At the same time, diagram of lightning protection measures of solar power system and diagram of safety measures of solar power system are drawn. Based on the analysis of engineering practice, this paper puts forward all kinds of safety measures through the work of distributed PV station access to grid should take, which has good application value.