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实用新型
CN203950004U 一种零序电压/零序电流监测控制装置 失效 - 权利终止

一种零序电压/零序电流监测控制装置
摘要：
本实用新型公开了一种零序电压/零序电流监测控制装置，包括ADC控制器、定时器、ARMCortex-M3处理器、GPS模块、WatchDog控制器、外接KB3030GPRS模块、各外接接口组成的通用部件以及GPRS开关控制电路；实现信号信道周期监测的GPRS开关控制电路由三极管Q2、发光二极管D11、二极管DD5、继电器和两个电阻R66、R67及辅助插件组成。采用本实用新型的小电流接地故障监测装置，提高了广域测量技术中的信道利用率、便捷可靠。
摘要（英）：

The utility model discloses a zero sequence voltage/ zero sequence current monitoring controlling means, comprising an ADC controller, a timer, an ARMCortex-M3 processor, a GPS module, a WatchDog controller, an external connection KB3030GPRS module, universal parts composed of various external connection interfaces and a GPRS switch control circuit. The GPRS switch control circuit realizing signal channel periodic monitoring is composed of a triode Q2, a LED D11, a diode DD5, a relay, two resistors R66 and R77, and auxiliary plug-in members. An undercurrent earth fault monitoring apparatus employing the zero sequence voltage/ zero sequence current monitoring controlling mean increases a channel utilization rate in the wide area measurement technology, and is convenient and reliable.

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