A kind of community intelligent using electricity system
Technical field
The utility model relates to a kind of community intelligent using electricity system.
Background technology
At present, along with the quickening of Chinese Urbanization and new countryside construction process, more and more concentrate at short notice Large scale construction and use of living area, increase immense pressure for the public service systems such as local water, electricity consumption.Be accompanied by the in short supply of the renewable and non-renewable resources such as water, coal, and the going deep into of the increasingly mature and intelligent grid construction of photovoltaic generation, wind generating technology, require to concentrate the construction of living community must consider the problems such as comprehensive utilization, recycling and intelligent use of resource.And the AC network of Utilities Electric Co. is adopted in existing concentrated living area electricity consumption more.
The utility model content
The purpose of this utility model provides a kind of community intelligent using electricity system, can incorporate the electric energy that photovoltaic generating system produces into AC network, in the electricity consumption reliability that guarantees the user, reduces the power consumption of whole community, reaches the purpose of energy-saving and emission-reduction.
The utility model adopts following technical proposals:
A kind of community intelligent using electricity system comprises photovoltaic generating module, energy-storage module, and the output of photovoltaic generating module connects energy-storage module, and the output of energy-storage module is connected AC network by inverter with step-up transformer.
Described photovoltaic generating module comprises the many groups solar panel that is arranged on building surface, and the output of organizing solar panel connects energy-storage module by header box more.
Described energy-storage module comprises bidirectional battery charge controller and energy-storage battery, and the two ends of bidirectional battery charge controller connect respectively photovoltaic generating module and inverter, and bidirectional battery charge controller also connects energy-storage battery.
Described energy-storage module is connected AC network by DC lightning prevention power distribution cabinet, inverter, communication lightning-protection power distribution cabinet with step-up transformer successively.
Described energy-storage battery adopts lead-acid battery, sodium-sulphur battery, flow battery, lithium ion battery, nickel-cadmium cell or Ni-MH battery.
Also comprise control module, community's power consumption equipment terminal is provided with intelligent electric meter, and the signal output part link control module of intelligent electric meter, control module also connect respectively header box and bidirectional battery charge controller.
Described step-up transformer adopts the isolating transformer that boosts.
The electric energy that the utility model utilizes energy-storage module storage photovoltaic generating module to produce, and incorporate the electric energy that photovoltaic generating system produces into AC network, electric power as AC network replenishes, simple in structure, be easy to realize, can in the electricity consumption reliability that guarantees the user, reduce the power consumption of whole community, reach the purpose of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises photovoltaic generating module and energy-storage module, the output of photovoltaic generating module connects energy-storage module, and the output of energy-storage module is connected AC network by DC lightning prevention power distribution cabinet, inverter, communication lightning-protection power distribution cabinet with step-up transformer successively.Described photovoltaic generating module comprises the many groups solar panel that is arranged on building surface, and the output of organizing solar panel connects energy-storage module by header box more.Described energy-storage module comprises bidirectional battery charge controller and energy-storage battery, and the two ends of bidirectional battery charge controller connect respectively photovoltaic generating module and inverter, and bidirectional battery charge controller also connects energy-storage battery.Step-up transformer adopts the isolating transformer that boosts, and can realize simultaneously the function of step-up transformer and isolating transformer.
Existing energy storage form mainly comprises mechanical energy storage, electrochemical energy storage, Power Flow and phase-change accumulation energy.In the utility model, the energy storage mode adopts electrochemical energy storage, and namely energy-storage battery can adopt lead-acid battery, sodium-sulphur battery, flow battery, lithium ion battery, nickel-cadmium cell, Ni-MH battery or other secondary cell.The user can be by organizing the energy-storage battery output that increases electric power more in the isolating transformer low-pressure side parallel connection of boosting.
In order to realize community's power consumption equipment terminal (such as household electricity equipment, sewage treatment equipment, the common equipments such as building lighting) power information, photovoltaic system generating information, the Real-Time Monitoring of energy-storage module, the utility model also has additional control module, simultaneously in community's power consumption equipment terminal intelligent electric meter is set, the signal output part link control module of intelligent electric meter, by intelligent electric meter feedback community power consumption equipment terminal power information, control module also connects respectively header box and bidirectional battery charge controller, thereby realizes the collection of photovoltaic system generating information and the Real-Time Monitoring of energy-storage module.Control module is carried out Treatment Analysis by the above-mentioned information that will collect, and can charge to energy-storage battery in the low period of power consumption by the control bidirectional battery charge controller, provides electric energy to AC network conversely when peak of power consumption.Can be used as voltage source during energy-storage battery transient state and support community's power consumption equipment terminal, can exert oneself and load fluctuation as level and smooth photovoltaic generation as schedulable power supply during the energy-storage battery stable state.Therefore, the utility model can be realized the fusion of photovoltaic generating system and electrical network, and the electricity consumption of optimizing and revising whole community consists of, and the power consumption ratio of the generating of rational allocation clean energy resource and coal fired power generation reaches the purpose of energy-saving and emission-reduction.