Topology construction method, system and device of DC power distribution experiment system
An experimental system, a technology for DC power distribution, applied in the direction of DC network circuit devices, circuit devices, AC network circuits, etc., can solve the problem that the topology of the DC power distribution experimental system is not flexible enough, the scale and construction cost of the experimental system increase, and the power grid operation topology limited form, etc.
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Embodiment 1
[0041] figure 1 A flow chart of a DC power distribution experimental system topology construction method provided by the present invention, such as figure 1 As shown, a DC power distribution experimental system topology construction method provided by the present invention includes:
[0042] Set up at least 4 DC network endpoints;
[0043] Connect the endpoints of the DC network through side branches to form a ring-shaped DC grid structure. An internal branch is set inside the DC grid structure. One end of the internal branch is connected to any one of the side branches. Two DC Connecting to network endpoints, the other end of the internal branch is connected to the remaining DC network endpoints, the two ends of the side branch and the two ends of the internal branch are connected to the DC network endpoints through a switch module;
[0044] By adjusting the switch module, the DC distribution network topology is adjusted.
[0045] It also includes: the DC network terminal ...
Embodiment 2
[0055] Based on the same inventive concept, the present invention provides a DC power distribution experimental system topology construction system, which may include:
[0056] A setting module, configured to set at least 4 DC network endpoints;
[0057] The building module is used to connect the endpoints of the DC network through side branches to form a ring-shaped DC power grid structure, and an internal branch is set inside the DC power grid structure, and one end of the internal branch and any side branch The two connected DC network endpoints are connected, the other end of the internal branch is connected to the remaining DC network endpoints, the two ends of the side branch and the two ends of the internal branch are connected to the DC network endpoints through a switch module ;
[0058] An adjustment module, configured to adjust the DC distribution network topology by adjusting the switch module.
[0059] The building module further includes: the DC network termina...
Embodiment 3
[0069] Based on the same inventive concept, the present invention also provides a DC power distribution experimental system topology device, which may include: at least 4 DC network endpoints;
[0070] The endpoints of the DC network are connected through side branches to form a ring-shaped DC grid structure;
[0071] Internal branches are provided inside the DC grid structure;
[0072] One end of the internal branch is connected to two DC network endpoints connected to any side branch, and the other end of the internal branch is connected to the remaining DC network endpoints;
[0073] The two ends of the side branch and the two ends of the inner branch are connected to the terminals of the DC network through a switch module;
[0074] The switch module may include: a mechanical switch and / or a circuit breaker switch of an interlock mechanism.
[0075] Both the side branch and the internal branch may be DC lines.
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