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2. Lightning arrester - Wikipedia

   en.wikipedia.org/wiki/Lightning_arrester

   Powerline worker performs maintenance of a lightning arrester on an electrical transmission tower in New Brunswick, Canada. 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 ...

3. Ferroresonance in electricity networks - Wikipedia

   en.wikipedia.org/wiki/Ferroresonance_in...

   During saturated moments, the very high current developed through one transformer coil may damage the equipment through Joule heating; [15] during unsaturated moments, the very high voltage the transformer develops (5-6 times the line voltage) may burn out nearby fuses or lightning arrestors. [7] [16]

4. Shunt (electrical) - Wikipedia

   en.wikipedia.org/wiki/Shunt_(electrical)

   However, a direct lightning strike (such as on a radio tower antenna) will cause the shunt to arc and conduct the massive amount of electricity to ground, protecting transmitters and other equipment. Another older form of lightning arrester employs a simple narrow spark gap, over which an arc will jump when a high voltage is present.

5. Fuse cutout - Wikipedia

   en.wikipedia.org/wiki/Fuse_cutout

   Lightning arresters are mounted on the crossarm opposite the fuse cutouts. Fuse cutouts with V-shaped bodies. In electrical distribution, a fuse cutout or cut-out fuse (often referred to as a cutout) is a combination of a fuse and a switch, used in primary overhead feeder lines and taps to protect distribution transformers from current surges ...

6. Utility pole - Wikipedia

   en.wikipedia.org/wiki/Utility_pole

   The OGW acts like a lightning rod, providing a low resistance path to ground thus protecting the phase conductors from lightning. A joint-use utility pole in China. Distribution lines use two systems, either grounded-wye ("Y" on electrical schematics) or delta (Greek letter "Δ" on electrical schematics). A delta system requires only a ...

7. Arrester - Wikipedia

   en.wikipedia.org/wiki/Arrester

   Arrester may refer to: Lightning arrester; Arrestor bed (disambiguation) Surge arrester This page was last edited on 27 December 2019, at 17:44 (UTC). Text is ...