It’s all about lightning protection
1. Introduction This document outlines acceptable practices for earthing and bonding electrical apparatus in hazardous areas. While the topic is straightforward, it spans multiple areas of electrical expertise, making a …
Power supply disturbances can cause significant problems in electrical networks, leading to equipment failure, data loss, and reduced lifespan of devices. Below are the main sources of power supply disturbances …
I. Causes Surge voltages and surge currents occurring in low-voltage ac power circuits can be caused by: Lightning surges. Lightning surges are the result of a direct flash to the …
Lightning is a very high-energy phenomenon. Lightning protection is oftentimes taken for granted as the probability of a lightning strike to a structure is low, and damage to properties and …
Rolling Sphere Method The Rolling Sphere Method is a popular and acceptable method of implementing lighting protection on structures. In the Philippine Electrical Code, the rolling sphere method is mentioned …
Lightning is a high-voltage discharge (usually negative) within clouds (intra-), to each other (inter-), or to the earth. The cloud-to-ground (CG) flash is the one we are usually concerned with …