Substation DC power supply system with grounding inspection line selection checking mechanism
A technology for DC power systems and substations, applied in information technology support systems, electrical components, circuit devices, etc., can solve the problem of lack of multi-branch insulation degradation information check, no substation line selection check, and inability to eliminate interference information, etc. problems, achieve rapid diagnosis and troubleshooting, improve search speed and fault tolerance level, and have the effect of strong practicability
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[0032] In order to better understand the above technical solutions of the present invention, the following further describes in detail with reference to the accompanying drawings and embodiments.
[0033] The substation DC power supply system with a grounding inspection line selection and verification mechanism of the present invention is used to provide uninterrupted power supply for important conventional loads, relay protection and automatic devices, and remote communication devices of the substation. The substation DC power supply system Including positive bus +KM and negative bus -KM, as well as several DC branches connecting conventional loads, relay protection and automatic devices, remote communication devices and emergency lighting devices; figure 1 As shown, the DC power supply system of the substation further includes a set of DC bridge components for online monitoring of the system, and the DC bridge components include two balanced bridge resistors Rb1 and Rb2 composed ...
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