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有些重要的用电设备停电会造成巨大的损失，但是作为电力部门要确保不间断供电是不可能的，主要原因有两个方面，第一、我国的电力事业没有足够的发达，还有不稳定的因素；第二、天灾人祸的影响不可避免。基于此，本文针对当前的形势，探讨目前用户低压自备电源的设计。1对低压
Some major power equipment blackouts will cause huge losses, but as the power sector to ensure uninterrupted power supply is impossible, mainly for two reasons, first, China’s power industry is not sufficiently developed, there are instability Second, the impact of man-made disasters is inevitable. Based on this, this article addresses the current situation, to explore the design of the user-owned low-voltage power supply. 1 pair of low pressure