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接地电阻有着高效的安全防护作用

网址:www.jiedixiang58.com  2020-07-02  作者:admin    阅读:

接地电阻柜是一种很好的成套接地设备,其中也包含发电机,变压器在内,设备得到了良好的发展,还具有广泛的应用范围,在通常情况下我们将安装在发电厂用电系统中、变电所供电系统中、工矿企业配电系统中,实现这些电网采用中性点接地电阻柜的运行方式.相比较而言中性点接地电阻柜还是比较适用于系统中性点采用小接地电阻接地或者中电阻接地的场合.具有一定的针对性能,当我们对其设备的使用过程中出现故障时,需要将其立即跳闸切除故障线路解决.接地电阻柜有较高的安全防护等级,能直观的显示电路的导通状态.便于管理当发生电路故障时有利于检修.接地电阻柜是按电气接线要求将开关设备、测量仪表、保护电器和辅助设备组装在封闭 或半封闭金属柜中或屏幅上,构成低压配电装置.接地电阻柜正常运行时可借助手动或自动开关接通或分断电路.故障或不正常运行时借助保护电器切断电路或报警.借测量仪 表可显示运行中的各种参数,还可对某些电气参数进行调整,对偏离正常工作状态进行提示或发出信号.是对所有用户用电的一个电路分配箱.
Grounding resistance cabinet is a good complete set of grounding equipment, including generator and transformer. The equipment has been well developed and has a wide range of applications. Under normal circumstances, we will install it in power plant power system, substation power supply system, industrial and mining enterprise distribution system, In comparison, the neutral point grounding resistance cabinet is more suitable for the system neutral point grounding with small grounding resistance or medium resistance grounding. It has certain specific performance, when the equipment fails in the use process, The grounding resistance cabinet has a high level of safety protection, which can directly display the on-line state of the circuit, which is convenient for management and maintenance in case of circuit failure. The grounding resistance cabinet is to assemble the switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi enclosed metal cabinet or screen according to the requirements of electrical wiring, It forms a low-voltage power distribution device. When the grounding resistance cabinet is in normal operation, it can turn on or off the circuit with the help of manual or automatic switch. In case of fault or abnormal operation, it can cut off the circuit or give an alarm with the help of protective appliances. The measuring instrument can display various parameters in operation and adjust some electrical parameters, It is a circuit distribution box for all users to use electricity

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