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SAFETY AND RELIABILITY FOCAL POINT FOR SWITCHGEAR USERS

机译：开关设备用户的安全和可靠的重点

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摘要

In today's ever changing environment of electrical power distribution equipment and systems, safety and reliability are becoming the focal point of utility and industrial switchgear users. Many locations have upgraded their systems by converting older air circuit breakers to vacuum or by ordering new systems that are "Arc Resistant". However, many are not aware of the opportunity to upgrade existing switchgear cubicles to arc resistant retrofits achieving optimum safety for operating personnel and reliability of installed systems. Arc Proof retrofits of existing metal clad and metal enclosed switchgear is available for most manufacturers and vintages. Members of governing bodies (such as the NFPA 70E) are becoming more concerned about an increasing number of accidents and injuries from electric arcing faults. Extreme temperatures and pressures, as well as electromagnetic radiation are all effects that need to be dealt with to provide optimum safety for plant operations personnel. 'Incident energy' and 'arc flash boundary' are becoming increasingly important in the everyday operation of power distribution systems.
机译：在当今不断变化的配电设备和系统环境中，安全性和可靠性已成为公用事业和工业开关设备用户的重点。许多地区通过将旧的空气断路器转换为真空或订购“抗电弧”的新系统来升级其系统。但是，许多人并不知道有机会将现有的开关柜升级为耐电弧改造，从而为操作人员提供最佳的安全性和已安装系统的可靠性。大多数制造商和年份都可以使用现有的金属包覆和金属封闭式开关设备的电弧防护改造。理事机构（例如NFPA 70E）的成员越来越担心电弧故障造成的事故和伤害。极端温度和压力以及电磁辐射都是必须解决的问题，以为工厂运营人员提供最佳安全性。在配电系统的日常运行中，“入射能量”和“弧闪边界”变得越来越重要。

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