Method and device for networked protection of microgrid
A technology of microgrid and power grid, applied in emergency protection circuit devices, circuit devices, electrical components, etc., can solve the problems of high investment in protection equipment, expanding the scope of accident impact, poor protection ability, etc., to improve protection efficiency and ensure safety and stability. The effect of running, reducing stress
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[0059] The present invention will be further described below in conjunction with the accompanying drawings.
[0060] like figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Image 6 A microgrid network protection device shown includes a monitoring protection layer 1, an interval layer 2 and a process layer 3; the monitoring protection layer 1 is composed of a protection control host; the interval layer 2 includes several intelligent electronic units IED, and the intelligent electronic The unit IED has the electrical structure of information collection, fault detection and execution, information exchange with the protection control host and issuing trip commands to the circuit breaker; process layer 3 includes bay switches, circuit breakers, voltage transformer EVT and current transformer ECT; bay layer 2 The intelligent electronic unit IED is distributed and set at the input / output ports of the bay switch, circuit breaker, voltage transformer EVT and current tran...
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