Search results
Results from the WOW.Com Content Network
A lightning arrester is a device, essentially an air gap between an electric wire and ground, used on electric power systems and telecommunication systems to protect the insulation and conductors of the system from the damaging effects of lightning. The typical lightning arrester has a high-voltage terminal and a ground terminal.
A lightning arrester (alternative spelling lightning arrestor) (also called lightning isolator) is a device, essentially an air gap between an electric wire and ground, used on electric power transmission and telecommunication systems to protect the insulation and conductors of the system from the damaging effects of lightning.
This is known as electromagnetic induction, and is the underlying principle used in the construction of electrical generators. When lightning strikes a metal tower or strikes near a building containing electrical equipment, a large, rapidly changing magnetic field is generated.
Lightning protection systems for trees are old technology having been developed decades ago. It consists of three connected parts. An air terminal is located in the tree top to catch the strike ...
The history of electric light is well documented, [11] and with the developments in lighting technology the profession of lighting developed alongside it. The development of high-efficiency, low-cost fluorescent lamps led to a reliance on electric light and a uniform blanket approach to lighting, but the energy crisis of the 1970s required more design consideration and reinvigorated the use of ...
Lightning Siren System w/ Strobe A lightning prediction system. The exact location of a lightning strike and when it will occur are still impossible to predict. However, products and systems have been designed of varying complexities to alert people as the probability of a strike increases above a set level determined by a risk assessment for ...
A lightning detector is a device that detects lightning produced by thunderstorms. There are three primary types of detectors: ground-based systems using multiple antennas, mobile systems using a direction and a sense antenna in the same location (often aboard an aircraft), and space-based systems.
Lighting control systems are sometimes incorporated into larger building automation systems. Many newer control systems are using wireless mesh open standards (such as Zigbee ), [ 44 ] which provides benefits including easier installation (no need to run control wires) and interoperability with other standards-based building control systems (e ...