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The Importance Of Arc Flash Analysis

By Krystal Branch


The use of high voltage poses the danger of electric flashes. This calls for detailed arc flash analysis to establish the potential danger and inform you of the measures that need to be taken in order to prevent disasters. Passing high voltage current through the air occasions blasts which damage equipment and may cause extensive injuries. The temperatures can reach 35000F.

Destruction of equipment and systems results from rapid heating and the extreme pressure that results from the electric blast. It affects the metal conductors along the path of the arc and within the vicinity. The speed of heat in this environment is extremely high and causes rapid expansion. Solid metal conductors are likely to melt in such circumstances causing extensive damage on equipment and the entire premises.

High temperature and voltage can be fatal to any human being around the area. The extent of injuries is disastrous and has the potential to cause death. It takes a few seconds to cause an explosion which is so fast that a person has no chance to switch off the machine or take cover. The kind of blast that happens in such a situation can only be equated to several dynamite sticks. The electric system is bound to collapse and a huge fire will result.

Regulations on electricity use require that areas that are prone to flashes be labeled comprehensively. Their potential should also be clearly indicated so that people working in the area can take caution. Such potential can only be identified if a detailed study is conducted. The danger zones will be marked after a thorough evaluation of the electric systems. Boundaries are clearly marked so that anyone entering or working in the area is sensitive to the possibility of a blast.

All industries or operations dealing with energized electric parts are required to provide personal protection equipment (PPE) to their personnel. Though the law prohibits working with energized tools, it is sometimes inevitable or might happen by mistake. Protecting the workers reduces the severity in case an accident happens. PPE are also selected after a thorough evaluation of the entire electric system.

Failure to maintain electric systems properly raises the level of exposure to danger. Professional installation and constant maintenance are necessary to guarantee safety. A detailed analysis will give you the potential of your system so that adequate measures can be taken to protect those working around. It also will indicate the weaknesses and strengths of such a system and allow you to put in place measures for protection.

Reduction of arch flash energy is possible with the support of experts. It saves expenditure on PPE and reduces the extent of damage. An adjustment on the tripping device is made so that the circuit is broken at lower voltage. This move affects how protective devices are coordinated but it has numerous benefits. Only an expert can effectively carry out the task.

Arc flash analysis is unique for each electric system. Having a detailed report enables you to understand the potential of your system and establish any weak points that need reworking. It raises the level of awareness on potential dangers in work places and therefore reduces the possibility of explosions.




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