CN204333982U - Distributed energy power control system - Google Patents
Distributed energy power control system Download PDFInfo
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- CN204333982U CN204333982U CN201420485701.4U CN201420485701U CN204333982U CN 204333982 U CN204333982 U CN 204333982U CN 201420485701 U CN201420485701 U CN 201420485701U CN 204333982 U CN204333982 U CN 204333982U
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Abstract
The utility model discloses a kind of distributed energy power control system.Wherein, this system comprises: energy resource supply device, for the energy provided for each load in system; Detect metering device, communicate with the checkout gear in each load, the multi-energy data that the checkout gear gathering each load detects, and calculate loaded electricity consumption total amount in system, wherein, multi-energy data comprises: supply power voltage, supply current, reactive power, active power and power consumption; Energy control device, be connected with detection metering device, for passing through comparison electricity consumption total amount and energy total amount, determine energy allocation strategy, energy allocation strategy comprises: carry out distribution energy according to the priority of each load, carry out energy mode switching according to the power factor of each load.By the utility model, can be embodied as load provides his power distribution mode dynamic, improves the operating efficiency of whole electric power system, reliability and stability.
Description
Technical field
The utility model relates to electric field, in particular to a kind of distributed energy power control system.
Background technology
Associate very close between conventional AC distribution system all constituents (as power supply, distribution and load), the working method be closely connected in this dynamic characteristic, can cause whole electric power system very huge.In the electric power system that this is huge, all dynamic changes are the slow reliability of guarantee control and the stability of system sufficiently.So be difficult to make the accident in electrical network react rapidly, therefore control rate is slow, and reliability and stability is not high.
Cannot transmit fast for the data between device each in the alternating-current system of correlation technique at present, cause the problem cannot being carried out dynamic distribution control by alternating-current system to the energy, not yet propose effective solution at present.
Utility model content
Cannot transmit fast for the data between device each in the alternating-current system of correlation technique, cause the problem cannot being carried out dynamic distribution control by alternating-current system to the energy, at present effective solution is not yet proposed, for this reason, main purpose of the present utility model is to provide a kind of distributed energy power control system, to solve the problem.
To achieve these goals, according to one side of the present utility model, provide a kind of distributed energy power control system, this system comprises: energy resource supply device, for the energy provided for each load in system; Detect metering device, communicate with the checkout gear in each load, the multi-energy data that the checkout gear gathering each load detects, and calculate loaded electricity consumption total amount in system, wherein, multi-energy data comprises: supply power voltage, supply current, reactive power, active power and power consumption; Energy control device, be connected with detection metering device, for passing through comparison electricity consumption total amount and energy total amount, determine energy allocation strategy, energy allocation strategy comprises: carry out distribution energy according to the priority of each load, carry out energy mode switching according to the power factor of each load.
By the utility model, adopt energy resource supply device, for the energy provided for each load in system, detect metering device, communicate with the checkout gear in each load, the multi-energy data that the checkout gear gathering each load detects, and calculate loaded electricity consumption total amount in system, wherein, multi-energy data comprises: supply power voltage, supply current, reactive power, active power and power consumption, energy control device, be connected with detection metering device, for passing through comparison electricity consumption total amount and energy total amount, determine energy allocation strategy, energy allocation strategy comprises: carry out distribution energy according to the priority of each load, power factor according to each load carries out energy mode switching, the data solved in alternating-current system between each device cannot be transmitted fast, cause the problem cannot being carried out dynamic distribution control by alternating-current system to the energy, and then be embodied as load his power distribution mode dynamic is provided, improve the operating efficiency of whole electric power system, the effect of reliability and stability.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the distributed energy power control system according to the utility model embodiment one;
Fig. 2 is the detailed construction schematic diagram of a kind of optional distributed energy power control system according to the utility model embodiment one.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
In the configuration that it is the most basic, Fig. 1 is the structural representation of the distributed energy power control system according to the utility model embodiment one.As shown in Figure 1, this distributed energy power control system can comprise: energy resource supply device 10, detection metering device 12 and energy control device 14.
Wherein, energy resource supply device 10, for the energy provided for each load in system; Detect metering device 12, communicate with the checkout gear in each load, the multi-energy data that the checkout gear gathering each load detects, and calculate loaded electricity consumption total amount in system, wherein, multi-energy data can comprise: supply power voltage, supply current, reactive power, active power and power consumption; Energy control device 14, be connected with detection metering device 12, for passing through comparison electricity consumption total amount and energy total amount, determine energy allocation strategy, energy allocation strategy comprises: carry out distribution energy according to the priority of each load, carry out energy mode switching according to the power factor of each load.
The scheme that the above embodiments of the present application two provide, the electrical energy demands data of each load are determined by the multi-energy data detecting each load in metering device 12 acquisition system, after the energy total amount that the electricity consumption total amount of load and the energy resource supply device of system provide is compared by energy control device 14, current energy allocation strategy can be determined.Due in said process, electrical energy demands for current each load has carried out large date comprision, thus determine an optimum power distribution pattern and run, solve in electric power system and dynamic power distribution mode cannot be provided, cause the problem of electric power system inefficiency and poor stability, and then be embodied as load his power distribution mode dynamic is provided, improve the operating efficiency of whole electric power system, the effect of reliability and stability, thus guarantee that system carries out efficient, safe and reliable work.
Preferably, the energy resource supply device in the above embodiments of the present application can comprise following any one or more equipment: the renewable energy resources equipment be connected with energy control device, mains supply equipment and storage battery.It should be noted that, whole system is by the main supply as the load energy of the renewable energy source devices such as photovoltaic and mains supply equipment, and storage battery is as adapted power supply herein.
Composition graphs 2 is known, above-mentioned for providing the energy resource supply device 10 of regenerative resource can comprise photovoltaic module and other energy devices, preferably, a header box can be installed between energy resource supply device 10 and energy control device 14, together with converging for the regenerative resource that photovoltaic module and other energy devices provided, down distribute to energy control device 14.Above-mentioned storage battery is a kind of energy-storage module, when the civil power that the regenerative resource deficiency that renewable energy resources equipment provides and mains supply equipment provide disconnects, storage battery starts to provide electric energy to load, in a kind of preferred embodiment, storage battery can be preferentially the highest to priority load power, ensure the normal work of important load.
Wherein, detection metering device 12 can collect the multi-energy data that each load blocks returns, and after the multi-energy data collected is passed through metering, finally feeds back to energy control device 14, by its unified management; Energy control device 14, by analyzing the multi-energy data of each load returned, determines a rational energy allocation strategy, and this energy allocation strategy is the scheme of a kind of energy source optimization configuration.
Also it should be noted that, above-mentioned power supply unit can be AC network herein, when the regenerative resource that energy resource supply device 10 provides is not enough, utilizes AC network to power by switching.When power supply of being incorporated into the power networks is sufficient, storage battery is in and is full of electricity condition, when power failure or grid-connected electricity shortage, battery discharging uses, storage battery is power supply in support, does not maintain whole system cloud gray model demand under electric power thus supplied in main energy sources and AC network, treat energy supply amount lower than total load capacity 30% when, preferential to one-level load supplying, and power optionally to part secondary loads.
Preferably, composition graphs 2 is known, and the system in the above embodiments of the present application can also comprise: direct current panel, is connected between energy control device 10 and each DC load, for generating the energy distribution instruction of each load according to energy allocation strategy.Concrete, this direct current panel can carry out energy distribution function to DC load, makes the energy assignment commands that energy resource supply device 10 generates after determining energy allocation strategy.One is more in embodiment, and this energy assignment commands can complete the function that energy distribution is not according to priority carried out in load, and judges that fault point sends the fast reaction cutting off order to energy management system.
In the above embodiments of the present application, energy control device 14 can comprise: first processor 141 or the second processor 143.
In a kind of possibility that the application provides, energy control device 14 can be first processor 141, first processor 141 is for judging whether the ratio of electricity consumption total amount and energy total amount is less than or equal to predetermined value, wherein, if the ratio of electricity consumption total amount and energy total amount is less than or equal to predetermined value, then select to carry out distribution energy according to the priority of each load, if the ratio of electricity consumption total amount and energy total amount is greater than predetermined value, then select to carry out energy mode switching according to the power factor of each load.
In the alternative dispensing means that the application provides, energy control device 14 can be the second processor 143, second processor 143 is for judging whether electricity consumption total amount is more than or equal to energy total amount, wherein, when electricity consumption total amount is more than or equal to energy total amount, select to carry out distribution energy according to the priority of each load, when electricity consumption total amount is less than energy total amount, select to carry out energy mode switching according to the power factor of each load.
Preferably, in the first possibility that the application provides, the scheme that the above-mentioned priority according to each load carrys out distribution energy can realize as follows: first, reads the priority of each load; Then, according to the order of priority to the load of predetermined quantity successively distribution energy.
Concrete, above-mentioned electricity consumption total amount can refer to loaded total load capacity, energy total amount can refer to energy output, and thus, a kind of the feasible program whether ratio of electricity consumption total amount and energy total amount is less than or equal to predetermined value verifies that whether energy output is lower than 30% of total load capacity.
The priority of each load can be preset in the application, can divide according to the classification of load, comprise: one-level load (i.e. important load, as hospital surgical equipment, data, services terminal etc.), secondary loads (load namely, as illumination etc.) etc. multistage load, determining after loaded priority, carry out distribution energy according to priority orders, namely to one-level load priority allocation, thus the reasonable distribution of carrying out the energy according to load class is realized.
Thus, the above embodiments of the present application achieve, when energy supply in system is not enough, energy management system can according to priority distribute, the preferential acquisition energy supply that priority is high, namely after the multi-energy data (power consumption and energy consumption) in Real-time Collection direct current system between each load, can in energy deficiency (energy output is lower than 30% of total load capacity) situation, according to demand whole system is made to the reasonably optimizing of energy distribution, thus reach energy source optimization configuration effect (setting of priority is dispatched from the factory and is set, but user can be changed voluntarily by specification).
Such as, within the hospital, one-level load can be operating table, supervisory control system, emergency lighting etc. in system application, in 30% situation of energy output lower than total load capacity, this distribution principle must be met, the one-level load that priority of supply priority is the highest, and send energy early warning signal.
Preferably, in the second possibility that the application provides, the scheme that the above-mentioned priority according to each load carrys out distribution energy can realize as follows: the power factor of each load compared with corresponding predetermined power factor respectively; When the power factor of any one or more load is less than or equal to corresponding predetermined power factor, starting power compensation arrangement carrys out the power factor of adjustment System.
The application's such scheme is by comparing to the power factor of each load, if the branch power factor of some loads is on the low side (can be the situation that the power factor of load is less than or equal to predetermined power factor, wherein, the scope of predetermined power factor can be 0.85 to 0.95, preferred predetermined power factor can be 0.9), the service terminal of system can start power compensating device corresponding to this load automatically, make the maximization of the power factor of whole system (namely can be greater than 0.9), now, systematic evaluation has arrived optimum mode of operation.
Thus, above embodiments enable and the energy service condition of each load is gathered, analyzes contrast, carry out optimum energy mode switching as required.
It should be noted that, power factor is the important technical data of of electric power system herein, and power factor weighs a coefficient of electric equipment efficiency.Power factor is low, illustrates that circuit is used for the reactive power of alternating magnetic field conversion greatly, thus reduces the utilance of equipment, add line powering loss.In alternating current circuit, the cosine of the phase difference (φ) between voltage and electric current is called power factor, represent with symbol cos φ, numerically, power factor is the ratio of active power and apparent power, i.e. cos φ=P/S, since power factor illustrates the ratio in gross power shared by active power, obviously under any circumstance power factor all can not be greater than 1.From power triangle, when φ=0 ° is voltage and current in phase position in alternating current circuit, active power equals apparent power.At this moment the value of cos φ is maximum, i.e. cos φ=1, when only having purely resistive load in circuit, or when induction reactance is equal with capacitive reactance in circuit, just there will be this situation.
Detection metering device 12 in the above embodiments of the present application carries out wireless connections with the checkout gear in each load, and energy control device carries out wired connection with detection metering device, wherein, wireless connections at least comprise any one form following: GPRS, 3G, WIFI, bluetooth.
Concrete, the energy control device 14 shown in the application Fig. 2 is utilized to realize, the energy that reasonable distribution energy resource supply device 10 provides is carried out according to detecting the real-time multi-energy data that collects of metering device 12, in this process, detect metering device 12 can take controlled in wireless and have line traffic control and deposit management control mode, wherein, energy control device 14 can adopt line traffic control with detection metering device 12, because data volume mutual between energy control device 14 and detection metering device 12 is larger, controlled in wireless is adopted to produce transmission lag, and adopt wire transmission can ensure the mutual of data real-time high-efficiency, and belong to remote data transmission between the checkout gear of each DC load (such as electric energy detection table) and detection metering device 12, in order to the transmission speed improved between them is fast, therefore, each DC load checkout gear (such as electric energy detection table) and detect between metering device 12 and can adopt controlled in wireless.
It can thus be appreciated that, whole energy management system being gathered by the energy service condition of energy control device 14 to each load, analyze, in the process that contrasts, owing to needing using the major parameter of electric energy to monitor adjustment in real time, therefore, in order to ensure electricity consumption high efficiency and reliability, system takes radio detection control device, by comprehensive control room, management and control is unified to detection metering device 12 and detection metering device 12, can gather each module energy service condition, analyze contrast quickly, efficiently and accurately, carry out optimum energy mode switching as required.
Preferably, in the scheme that the above embodiments of the present application provide, after detection metering device 12 gathers the multi-energy data of each load, following function can also be realized: the multi-energy data of each load of Real-Time Monitoring is to obtain fault message, after the load determining to there occurs fault according to fault message, need to cut off the load that there occurs fault, the concurrent warning message that is out of order.
The above embodiments of the present application, by the multi-energy data of Real-Time Monitoring each load, on-line monitoring is carried out to the fault loop of system, concrete, can be analyzed gathering the current and voltage data of returning, locking abnormal area, the load that there occurs fault is determined by the troubleshooting measure of routine, such as: short-time switching-off abnormal area, during this period of time carry out data collection and analysis again, see whether fault is got rid of, if failture evacuation, then fault zone can be locked, and the relevant maintenance personal of notice goes to investigation.
It can thus be appreciated that, this application provides a kind of electrical energy parameter situation by each load of Real-Time Monitoring (voltage, electric current, reactive power, active power, power consumption), the scheme of fast shut-off fault point (preferably adopting wireless mode) is taked to during load generation abnormal failure, and by the communication unit in energy control device 14, the fault data after gathering is notified that related personnel goes to maintenance, reach intelligent management.
It should be noted that herein, detect load break down information time, automatic analysis is needed to contrast, to confirming that fast shut-off is taked in the load of fault message, and to after disengagement failure point, the energy data of this load carries out collection analysis, confirms that fault is discharged, and ensures whole system Electrical Safety, reliable, efficient.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. a distributed energy power control system, is characterized in that, comprising:
Energy resource supply device, for the energy provided for each load in system;
Detect metering device, communicate with the checkout gear in each load described, the multi-energy data that the checkout gear gathering each load described detects, and calculate loaded electricity consumption total amount in described system;
Energy control device, be connected with described detection metering device, for passing through electricity consumption total amount and described energy total amount described in comparison, determine energy allocation strategy, described energy allocation strategy comprises: carry out distribution energy according to the priority of described each load, carry out energy mode switching according to the power factor of described each load;
Checkout gear in described detection metering device and each load described carries out wireless connections, and described energy control device and described detection metering device carry out wired connection;
Described wireless connections at least comprise any one form following: GPRS, 3G, WIFI, bluetooth.
2. system according to claim 1, is characterized in that, described energy control device comprises:
First processor, for judging whether the ratio of described electricity consumption total amount and described energy total amount is less than or equal to predetermined value, wherein, if the ratio of described electricity consumption total amount and described energy total amount is less than or equal to described predetermined value, then select to carry out distribution energy according to the priority of described each load, if the ratio of described electricity consumption total amount and described energy total amount is greater than described predetermined value, then select to carry out energy mode switching according to the power factor of described each load; Or,
Second processor, for judging whether described electricity consumption total amount is more than or equal to described energy total amount, wherein, when described electricity consumption total amount is more than or equal to described energy total amount, select to carry out distribution energy according to the priority of described each load, when described electricity consumption total amount is less than described energy total amount, select to carry out energy mode switching according to the power factor of described each load.
3. system according to claim 1 and 2, is characterized in that, described energy resource supply device comprises following any one or more equipment: the renewable energy resources equipment be connected with described energy control device, mains supply equipment and storage battery.
4. system according to claim 1, it is characterized in that, described system also comprises: direct current panel, is connected between described energy control device and each load described, for generating the energy distribution instruction of described each load according to described energy allocation strategy.
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| CN201420485701.4U CN204333982U (en) | 2014-08-26 | 2014-08-26 | Distributed energy power control system |
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| CN201420485701.4U CN204333982U (en) | 2014-08-26 | 2014-08-26 | Distributed energy power control system |
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| CN204333982U true CN204333982U (en) | 2015-05-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029825A1 (en) * | 2014-08-26 | 2016-03-03 | 珠海格力电器股份有限公司 | Distributed energy power source control method, device and system |
| CN106058866A (en) * | 2016-07-15 | 2016-10-26 | 陈卫 | Power supply method based on big data |
| CN106779456A (en) * | 2016-12-29 | 2017-05-31 | 新奥科技发展有限公司 | A kind of energy distributes control method and device |
| CN110555641A (en) * | 2018-05-31 | 2019-12-10 | 北京京东尚科信息技术有限公司 | storage allocation method and device |
| CN113031534A (en) * | 2019-12-09 | 2021-06-25 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Energy management system and control method thereof |
| CN113690887A (en) * | 2021-10-26 | 2021-11-23 | 江苏云电守卫电力科技有限公司 | Power distribution control method and device |
| CN114154777A (en) * | 2021-10-18 | 2022-03-08 | 中标慧安信息技术股份有限公司 | Industrial big data monitoring method and system based on edge calculation |
-
2014
- 2014-08-26 CN CN201420485701.4U patent/CN204333982U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029825A1 (en) * | 2014-08-26 | 2016-03-03 | 珠海格力电器股份有限公司 | Distributed energy power source control method, device and system |
| US10147148B2 (en) | 2014-08-26 | 2018-12-04 | Gree Electric Appliances Inc. Of Zhuhai | Distributed energy power source control method, apparatus and system for providing loads with dynamic power distribution modes |
| CN106058866A (en) * | 2016-07-15 | 2016-10-26 | 陈卫 | Power supply method based on big data |
| CN106779456A (en) * | 2016-12-29 | 2017-05-31 | 新奥科技发展有限公司 | A kind of energy distributes control method and device |
| CN106779456B (en) * | 2016-12-29 | 2020-07-14 | 新奥科技发展有限公司 | Energy distribution control method and device |
| CN110555641A (en) * | 2018-05-31 | 2019-12-10 | 北京京东尚科信息技术有限公司 | storage allocation method and device |
| CN113031534A (en) * | 2019-12-09 | 2021-06-25 | 国创新能源汽车智慧能源装备创新中心(江苏)有限公司 | Energy management system and control method thereof |
| CN113031534B (en) * | 2019-12-09 | 2022-04-19 | 国创移动能源创新中心(江苏)有限公司 | Energy management system and control method thereof |
| CN114154777A (en) * | 2021-10-18 | 2022-03-08 | 中标慧安信息技术股份有限公司 | Industrial big data monitoring method and system based on edge calculation |
| CN114154777B (en) * | 2021-10-18 | 2022-08-19 | 中标慧安信息技术股份有限公司 | Industrial big data monitoring method and system based on edge calculation |
| CN113690887A (en) * | 2021-10-26 | 2021-11-23 | 江苏云电守卫电力科技有限公司 | Power distribution control method and device |
| CN113690887B (en) * | 2021-10-26 | 2022-01-07 | 江苏云电守卫电力科技有限公司 | Control method of power distribution control device |
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Granted publication date: 20150513 |