Wind generators are exposed to numerous destructive forces such as lightning and are therefore vulnerable to these phenomena. To evaluate the transient behavior of a wind power plant during direct and indirect strikes, modeling of all relevant components is required. Among the protective and control components of wind turbines, the grounding system is the most important element for protection a...

Lightning surges that come from transmission lines are very dangerous for equipment in substations, especially transformers. The transformer is a important main component of the substation. As result damage to will distribution electrical energy consumers can be disrupted. solution this problem install an arrester overcome lightning surge voltage order avoid at To secure 150 kV Bukit Semarang B...

This paper reports on the propagation of lightning overvoltage in a high-voltage direct current (HVDC) meshed grid. Since several topologies grids have been elaborated last decade, we used common comprehensive reference test platform. The impulse was investigated with regard to impact surge arresters and polarity stroke concerning DC line (±500 kV). Various scenarios were considered, including ...

Choosing a bus protection scheme requires several key considerations. The complexity of bus protection varies considerably depending on such factors as the bus layout, allowed bus switching scenarios, availability of suitable current transformers (CTs), and maintenance issues. Buses with statically assigned zone currents are well suited for the use of high-impedance bus relaying (if suitable CT...

This paper addresses different issues regarding the lightning back-flashover performance of HVDC lines, especially double-circuit configurations. In such configurations, two poles may present very similar flashover risks due to a strike, leading double flashover. Therefore, it is particular interest investigate solutions protect at least one circuit from flashovers and avoid temporary loss tran...