The general purpose of earthing system is to protect life and property in the event of 50 Hz faults (short-circuit) and transient phenomena (lightning, switching operations).The question of how a system shall be earthed is governed by the Indian Ele

Document RevisionsRevisions to the IALA Document are to be noted in the table prior to the issue of a revised document.Date Page / Section Revised Requirement for RevisionDecember 2005 Entire document Reformatted to reflect IALA documentation hi

OPR lightning protection systemsExternal lightning protectionMain catalogABB OPR lightning protection systems | 1Lightning mechanism and location 2Lightning protection technologies 3Lightning protection risk analysis 8Lightning protection tec

A lightning arrester, also known as a surge arrester, is a device that protects electrical systems and equipment from lightning strikes and electrical surges. It is compulsory on buildings for several reasons:1. _Protects against lightning strikes_

Create account Log inEIG_WikiSchneider-ElectricSearch SearchPageTalkView sourceHistory Languages中文About us> Collaborative platform brought to you bySchneider Electric> Helping to design electrical installations according to standar