Almost every day, a major electrical failure occurs somewhere in the world within the electrical power grid. The causes vary and can include ageing infrastructure, environmental effects, external interferences (such as animals, projectiles, or moving objects), human error, and in many cases, the inability of equipment to withstand the stresses for which it was designed—such […]
In recent decades, the growing need for electric power has brought out the need to implement increasingly efficient and reliable automation and protection systems for electrical substations. The development of remote control and tele-conduction functions, which supports remote management plant, has also become a fundamental requirement in the operation of the electricity network. S.A.S. (Substation […]
IEC 61439-1:2020 lays down the general definitions and service conditions, construction requirements, technical characteristics and verification requirements for low-voltage switchgear and control-gear assemblies. This KEMA Labs White Paper intends to give you an overview of the most important changes of the third edition when compared with the Edition 2 (2011-08) about essential and test-relevant changes.
Ozone is considered one of the most significant pollutants with respect to the potential impacts to human health and natural ecosystem, both in terms of critical episodes and as long-term exposures. Consequently, in order to assess the comprehensive effects of photochemical pollution, not only ozone peak concentrations need to be examined, but also ozone exposures […]