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Os dejo hoy un resumen de la Primera Unidad del Curso de Facilitación de Comunidades Online en el que participo, considerando que puede ser de utilidad a diversas disciplinas, desde la educación al márketing social. El curso se desarrolla en inglés (paso a traducir este mismo artículo) pero he creído que a algunos lectores podrían seros de interés algunas de sus conclusiones. Lo iré haciendo al finalizar cada unidad. Se trata de un ejercicio de síntesis y aportación personal. Podéis ver las fuentes teóricas de las que parto, las que matizo según mi experiencia, al final del artículo

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Does fish electrocuted during lightning.This question always comes to our mind.Since, water is not a good conductor of electricity, that helps them survive

Semiconductor Insulators and Surge Arresters There are many types of insulators in different shapes. Although the structure and shape of different types of insulators are quite different, they are all composed of two parts: insulating parts and connecting fittings. An insulator is a special insulation control that can play an important role in overhead transmission lines. In the early years, insulators were mostly used on utility poles, and gradually developed into a high-voltage wire connection tower with many disc-shaped insulators hanging on one end. It is used to increase the creepage distance, usually made of glass or ceramics, and is called an insulator.

Types of Lightning Surge Arresters and Composite Insulators Used in Electric Transmission Line After the lightning arrester is installed, when the transmission line is struck by lightning, the shunt of the lightning current will change. A part of the lightning current is transmitted from the lightning protection line to the adjacent tower, and part of it enters the ground through the tower body. When the lightning current exceeds a certain value, the lightning arrester will act. shunt. Most of the lightning current flows from the arrester into the conductor and spreads to the adjacent tower.