矿用隔爆型高压真空配电装置整定电流可调节至小数2位么

2025年04月06日 04:43
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一、概述:PBG1矿用隔爆型高压真空配电装置。适用于煤矿井下,电压等级为10(6)kV系统,可作为高防(独立)开关。去掉后备箱与KBSGZY矿用隔爆型移动变压器组合,配备XBD矿用隔爆型保护箱组成移动变电站。移动变电站高低压侧均设电网综合保护器。高压保护器可作为变电站后备保护。采用低压跳高压的供电模式,具有短路、过载、漏电等保护功能。PBG1矿用隔爆型高压真空配电装置具备RS485接口,配备朗威达通讯软件,可实现远程监控(详见朗威达通讯)。二、原理(见下图)参数整定:1)短路:一般按变压器额定电流5~7换算,按开关铭牌额定电流计算。如变压器一次额定电流100A;开关额定电流200A.则短路整定为:3倍(600A)过载0.5倍。2)短路延时:100ms(独立开关可选用级差)3)绝缘关(独立开关为开用)4)低压故障1(开)――――低压连锁3#4#线短封5)低压故障2(关)-――低压连锁5#(JX2)6#(JX4)线短封备用6)零序电压(独立开关用)7)零序电流(独立开关用)……要全的,留下邮箱

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