The need for industrial surge protection
Today’s industrial and professional equipment is dependent upon microprocessors and other sensitive electronic equipment, increasing the world’s need for greater protection from electrical surges. At industrial sites, power surges wreak havoc on equipment, causing catastrophic failures, interrupting processes and causing equipment to prematurely age, leading to failure. However by deploying industrial surge protection, manufacturers can mitigate potential problems and keep their equipment and the related processes up and running reliably without disruption or damage due to surge-related events.
BRITEC’s full range of surge protective devices provides solutions which can provide a stable electrical environment and virtually eliminate the losses caused by electrical overvoltage events. Industrial SPD are trusted worldwide to protect sophisticated electrical equipment from damage caused by lightning surges, or large load switching occurring either in house or caused by industrial neighbors.
Surge protection basics
A túlfeszültség-védelmi eszközt (SPD), korábban tranziens feszültség-túlfeszültség-szuppresszorként (TVSS) ismerték, arra tervezték, hogy elnyelje és a nagyáramú túlfeszültségeket a földre terelje, és megkerülje a berendezést. Minden SPD gerince a fém-oxid varisztor (vagy MOV). A MOV egy félvezető eszköz, amelynek általában nagyon nagy impedanciája van. Amikor az alkalmazott feszültség hirtelen meghaladja a “letörési feszültséget”, a MOV nagyon nagy sebességű kapcsolóként működik, és az energiát a földre tereli.
Installation
Only surge protection which is properly sized and grounded can be successful in preventing equipment damage. For maximum protection, SPDs should be installed as close to the protected equipment as possible, and cable lengths should be as short and straight as possible to minimize the resistive path of the circuit to ground. Anything less than a low grounding and bonding impedance will cause surge energy to be diverted throughout the facility with potentially hazardous effects.
Összegzés
Although surges cannot be totally eliminated, they can be mitigated through surge protection solution thereby reducing their damaging effect. This leads to greater reliability and overall improved productivity. In this regard, surge protection really is an inexpensive form of electrical system insurance.
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