Electric network ground montior
A monitor and power grid technology, applied in the direction of electrical components, circuit devices, emergency protection circuit devices, etc.
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[0039] Fig. 2 is one of principle circuit diagram of the present invention, and it is a kind of principle circuit diagram of common type total monitor. It is mainly based on monitoring and alarming, and also has a control action or remote monitoring interface. Only one total monitor is required in a low-voltage power supply system. Its main functions are: 1. Form a channel for collecting grounding information (when the power grid is grounded) through the general monitor. 2. Pulse the grounding current of the power grid to greatly reduce its effective value, so as to reduce leakage loss and enhance the safety of power supply and use. 3. The sub-monitor can get enough grid grounding information, so that the sub-monitor can work reliably. 4. To monitor the grounding of the entire power grid. If there is a grounding anywhere in the monitored low-voltage power grid, it will alarm or even control the power failure. 5. It can also use sound and light signals to display the fuse of...
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