Micro-power-grid load side energy management system based on wireless network
An energy management system and wireless network technology, applied in the field of microgrid load-side energy management system, can solve the problems of affecting power demand and poor experience, and achieve the effect of reducing impact, reasonable regulation and distribution
Pending Publication Date: 2018-02-23
RENERGY ELECTRIC TIANJIN
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[0003] Since the microgrid has an isolated grid independent operation mode, that is to say, the power supply and load inside the microgrid have reached a state of balance between supply and demand. When the power supply or load fluctuates, the corresponding means are adjusted. Energy storage can make up for it. When the energy storage cannot provide the corresponding energy and the output of the power supply side is reduced, the user's load can only be cut off to reduce the internal load of the microgrid and achieve balance again. However, the load is violently Cutting off will affect the power demand of many users, and the experience for customers is very poor, so how to rationally distribute and organize the load, and be able to cut off some electricity intelligently, will bring great impact to the development of the load side of the microgrid. to a profound meaning
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[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the following embodiments in no way limit the present invention.
[0018] Such as Figure 1~3 As shown, the wireless network-based microgrid load-side energy management system includes a data processing center, a load-side control module, a wireless communication module, and several sub-node execution modules; the data processing center is sequentially connected through the load-side control module and wireless communication module To the sub-node execution module; the sub-node execution module is connected in series in the load power supply circuit;
[0019] The wireless communication module includes an energy management side wireless communication module and a load side wireless communication module;
[0020] The sub-node execution module includes a current sensor, a conditioning circuit, a controller, and a switching relay; the current se...
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The invention discloses a micro-power-grid load side energy management system based on a wireless network. The micro-power-grid load side energy management system comprises a data processing center, aload side control module, a wireless communication module and a plurality of sub-node execution modules. The data processing center is connected to the sub-node execution modules through the load side control module and the wireless communication module. The sub-node execution modules are serially connected in a load power supply loop. The micro-power-grid load side energy management system basedon the wireless network can achieve reasonable regulation and allocation of load side energy under the situation of load side limited power, selectively cuts off corresponding electricity under the situation that the life of a user is not affected as far as possible, and thus the influence on the user under the situation of load side limited power is reduced.
Description
technical field [0001] The invention relates to the technical field of power grid energy management, in particular to a wireless network-based load-side energy management system of a micro-grid. Background technique [0002] With the development of society, new energy has been widely used, but the instability and uncertainty of new energy, as well as the impact of weather will lead to obvious fluctuations in power generation, affecting the use balance of the entire power grid, so large-scale construction New energy power plants are limited, in this case, distributed generation, smart microgrid makes up for the above shortcomings. The so-called smart microgrid is a small grid and microgrid composed of power generation system, energy storage system and load. , mainly photovoltaic power generation; the energy storage system is mainly based on batteries and supercapacitors; the loads are domestic electrical equipment, industrial production equipment, etc. [0003] Since the mi...
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Login to View More IPC IPC(8): H02J3/00H02J3/14H02J13/00
CPCH02J13/0075H02J3/00H02J3/14Y04S20/222Y02B70/3225
Inventor 房凯龙周玲玲张新强侯立军
Owner RENERGY ELECTRIC TIANJIN