Power distribution system
A technology of power distribution system and power system, applied in photovoltaic power generation, electrical components, circuit devices, etc., can solve problems such as hindering the electrical stability of power lines
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no. 1 approach
[0080] Such as figure 1 As shown, in the power distribution system 50 , a plurality of power distribution systems 52 are connected to one power line 51 connected to the commercial AC power source 2 as a commercial power source. In the present embodiment, the power line 51 is a DC system power line serving as a main line of a power supply route installed in a condominium or other apartment complex, and the power distribution system 52 is a power distribution system installed in each dwelling of the condominium. Therefore, the power distribution system 53 composed of a plurality of power distribution systems 52 is a power distribution system for distributing power to the entire housing complex.
[0081] Each power distribution system 52 has: a distributed power supply 54 installed in each household; a load device 55 to which electric power is supplied; electricity. The controller 7 is connected to a power line 51 via an AC distribution board 11 .
[0082] In the present embo...
no. 2 approach
[0145] Next, a second embodiment in which the control of power storage device 57 in the above-described first embodiment is changed will be described. In addition, the same code|symbol is attached|subjected to the same structural part as said 1st Embodiment, and the description is abbreviate|omitted or simplified.
[0146] Such as Figure 6 As shown, in this embodiment, the sensor 60 is not installed in the complex, and the control device 56 controls the power storage device 57 based on a command signal input from outside the complex. That is, the control device 56 is communicably connected to a power management facility 61 such as a power company, and is configured to suppress reverse flow based on a command signal from the power management facility 61 . Below, refer to Figure 7 The operation flow of the control device 56 when the reverse flow is suppressed by the power storage device 57 in this embodiment will be described.
[0147] Such as Figure 7 As shown, first, th...
no. 3 approach
[0163] Next, refer to Figure 8~Figure 12 A third embodiment of the present invention will be described. Such as Figure 8 As shown, the power distribution system of the third embodiment and the power distribution system of the first embodiment and the second embodiment are illustrated figure 2 In contrast, the controller 7 has the characteristic structure and functions described below without providing the separate control device 56 and without the storage battery 16 as a distributed power source. exist Figure 8 in, right with figure 2 The same or similar structural elements are denoted by the same reference numerals, their explanations are omitted, and the explanations focus on different parts.
[0164] In the power distribution system 1 according to the present embodiment, the in-home server 31 receives information related to the power sale (reverse flow) from the management server 32 via the network N, for example, and the in-home server 31 can combine the informati...
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