TWI521335B - Intelligent power saving system and its method - Google Patents
Intelligent power saving system and its method Download PDFInfo
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本發明係有關一種智能省電系統及其方法,特別是指一種使用併聯式架構下之儲能裝置所達成之智能省電系統及其方法。The invention relates to an intelligent power saving system and a method thereof, in particular to an intelligent power saving system and a method thereof obtained by using an energy storage device under a parallel structure.
目前全世界各國的電力供應系統,電力公司最為困擾的是尖峰時段用電太多,導致電力公司需增設更多的發電廠及輸送配電設施,但離峰時段,用電量太少,將導致電力無謂的浪費。At present, the power supply system of all countries in the world, the most troublesome thing for power companies is that there is too much electricity during peak hours, which leads to the need for power companies to add more power plants and transmission and distribution facilities. However, when the peak period is too low, the power consumption will cause No waste of electricity.
再者,依目前台灣電力公司的用電技術規則中,用戶用電量超出契約容量在10%內時,電費是以二倍計算,超過契約容量10%時,電費是以三倍計算。鑑此如何有效控管用電量維持在契約容量內,成為一個節省成本的重要課題。Furthermore, according to the current power technology rules of Taiwan Power Company, when the user's electricity consumption exceeds the contract capacity by 10%, the electricity fee is calculated twice, and when the contract capacity exceeds 10%, the electricity fee is calculated at three times. In view of this, how to effectively control the power consumption of the pipe is maintained within the contract capacity, which becomes an important issue for cost saving.
另外一方面,在未來碳權交易即將成為趨勢的前提下,目前各工廠碳足跡盤查,電力佔一公司碳足跡60%~80%不等,若能讓電力公司能精準掌握用戶的用電,將可大幅提升效率,並使電力碳足跡比例降低,提升企業在國際上的競爭力。On the other hand, under the premise that carbon rights trading is about to become a trend in the future, the carbon footprint of each factory is currently inspected. Electricity accounts for 60% to 80% of the carbon footprint of a company. If the power company can accurately grasp the user's electricity consumption, It will greatly improve efficiency and reduce the proportion of power carbon footprint, and enhance the competitiveness of enterprises in the international arena.
有鑑於此,本發明遂針對上述習知技術之缺失,提出一種智能省電系統及其方法,以有效克服上述之該等問題。In view of the above, the present invention proposes an intelligent power saving system and method thereof to effectively overcome the above problems in view of the above-mentioned shortcomings of the prior art.
本發明之主要目的在提供一種智能省電系統及其方法,其能有效防止電力用戶超約,以節省電費。The main object of the present invention is to provide an intelligent power saving system and method thereof, which can effectively prevent power users from exceeding the contract to save electricity costs.
本發明之另一目的在提供一種智能省電系統及其方法,其電力用戶可審視裝設儲能裝置後最適當的契約容量,向電力公司申請降低契約容量,以節省電費,降低碳足跡比例。Another object of the present invention is to provide an intelligent power saving system and method thereof, in which a power user can review the most appropriate contract capacity after installing an energy storage device, and apply to the power company to reduce the contract capacity to save electricity costs and reduce the carbon footprint ratio. .
本發明之再一目的在提供一種智能省電系統及其方法,其可使電力公司無須再增設電廠,甚至可降載運轉。Still another object of the present invention is to provide an intelligent power saving system and method thereof that enable a power company to eliminate the need for additional power plants or even load down operations.
為達上述之目的,本發明提供一種智能省電系統,其係設置於一市電電源端與至少一負載端間,此智能省電系統包含有至少一儲能裝置;至少一連接市電電源端與負載端的供電迴路;至少一儲能裝置併聯電路,其係將儲能裝置電性連接至供電迴路;以及一電性連接至市電電源端、儲能裝置與儲能裝置併聯電路的電力監控器,其選擇儲能裝置是否透過儲能裝置併聯電路供電至負載端。To achieve the above objective, the present invention provides an intelligent power saving system, which is disposed between a mains power supply end and at least one load end. The intelligent power saving system includes at least one energy storage device; at least one is connected to the mains power supply end. a power supply circuit of the load end; at least one parallel circuit of the energy storage device electrically connecting the energy storage device to the power supply circuit; and a power monitor electrically connected to the commercial power supply end, the energy storage device and the parallel circuit of the energy storage device, It selects whether the energy storage device is powered to the load terminal through the parallel circuit of the energy storage device.
本發明尚提出一種智能省電的方法,其係設置於一市電電源端與至少一負載端間,此智能省電方法包含有下列步驟,首先於市電電源端與該負載端間設置一電力監控器以及至少一儲能裝置,電力監控器連接至市電電源端及儲能裝置。然後,電力監控器根據用電量選擇儲能裝置是否供電至負載端。The invention further provides a smart power saving method, which is disposed between a mains power supply end and at least one load end. The intelligent power saving method comprises the following steps: first, setting a power monitoring between the mains power supply end and the load end And at least one energy storage device, the power monitor is connected to the mains power supply end and the energy storage device. Then, the power monitor selects whether the energy storage device supplies power to the load terminal according to the power consumption.
底下藉由具體實施例詳加說明,當更容易瞭解本發明之目的、技術內容、特點及其所達成之功效。The purpose, technical content, features and effects achieved by the present invention will be more readily understood by the detailed description of the embodiments.
請參閱第1圖,其係本發明之智能省電系統的方塊示意圖。如圖所示本發明之智能省電系統是設置於一市電電源端10與至少一負載端12間。智能省電系統包含至少一儲能裝置14;至少一連接市電電源端10與負載端12之供電迴路20;至少一儲能裝置併聯電路18,其係將儲能裝置14電性連接至供電迴路20;以及一與市電電源端10、儲能裝置14以及供電迴路20電性連接之電力監控器16,其選擇儲能裝置14是否透過儲能裝置併聯電路18,供電至負載端12,來調整市電供電比例。Please refer to FIG. 1 , which is a block diagram of the intelligent power saving system of the present invention. As shown in the figure, the intelligent power saving system of the present invention is disposed between a mains power supply terminal 10 and at least one load terminal 12. The intelligent power saving system includes at least one energy storage device 14; at least one power supply circuit 20 connecting the mains power terminal 10 and the load terminal 12; at least one energy storage device parallel circuit 18 electrically connecting the energy storage device 14 to the power supply circuit 20; and a power monitor 16 electrically connected to the mains power terminal 10, the energy storage device 14 and the power supply circuit 20, wherein the energy storage device 14 is selected to pass through the energy storage device parallel circuit 18, and is supplied to the load terminal 12 to adjust Mains power supply ratio.
當電力監控制器16監測到市電電源端10所輸出至供電迴路20之電量接近一特定預設值時,例如為與電力公司簽署之契約容量,電力監控器16將調整儲能裝置14的電壓強度至大於供電迴路20之電壓,以將儲能裝置14之電力透過儲能裝置併聯電路18投入供電迴路20,供電給負載端12,調整市電供電比例。舉例來說,與電力公司簽署之約定用電量為300千瓦時,電力監控器16監測到市電電源端10所輸出至負載端之總電量等於300千瓦時,電力監控器16將儲能裝置14之電力投入供電迴路20,如此將可防止電力超約所產生的費用。When the power supervisor controller 16 detects that the power output from the utility power terminal 10 to the power supply circuit 20 is close to a certain preset value, such as a contracted capacity signed with the power company, the power monitor 16 will adjust the voltage of the energy storage device 14. The intensity is greater than the voltage of the power supply circuit 20, so that the power of the energy storage device 14 is put into the power supply circuit 20 through the parallel circuit 18 of the energy storage device, and is supplied to the load terminal 12 to adjust the power supply ratio. For example, the agreed power consumption signed with the power company is 300 kWh, and the power monitor 16 monitors that the total power output from the commercial power supply terminal 10 to the load terminal is equal to 300 kWh, and the power monitor 16 will store the energy storage device 14. The power is put into the power supply circuit 20, which will prevent the cost of the power from exceeding the contract.
上述之儲能裝置14為鋰鐵磷電池,且電力監控器16同時監控儲能裝置14是否正常運作。再者,可利用市電電源端10處離峰時段,也就是電費最便宜時,對儲能裝置14端進行充電,以在尖峰時段用來除峰,有效達到控制不超約的目的。The energy storage device 14 described above is a lithium iron phosphorus battery, and the power monitor 16 simultaneously monitors whether the energy storage device 14 is operating normally. Furthermore, the peak period of the mains power supply terminal 10 can be utilized, that is, when the electricity cost is the cheapest, the energy storage device 14 is charged to be used for peak removal during the peak period, thereby effectively achieving the purpose of not exceeding the control.
再者,請參閱第2圖,其係本發明之智能省電系統的另一實施例的方塊示意圖。第2圖與第1圖之差異在於第2圖中之實施例是負載端12有複數個的情況,此時,市電電源端提供給負載端12之供電迴路20之數目係依照負載端12的數目變動,儲能裝置14與儲能裝置併聯電路18的數量同樣也隨負載端12數目變動,使每一負載端12併聯有一儲能裝置14。但如圖所示,儲能裝置併聯電路18全耦接至上述之電力監控制器16統一管控。Furthermore, please refer to FIG. 2, which is a block diagram of another embodiment of the intelligent power saving system of the present invention. The difference between FIG. 2 and FIG. 1 is that the embodiment in FIG. 2 has a plurality of load terminals 12, and at this time, the number of power supply circuits 20 provided by the commercial power supply terminal to the load terminal 12 is in accordance with the load terminal 12. The number of the energy storage device 14 and the energy storage device parallel circuit 18 also varies with the number of load terminals 12 such that each load terminal 12 has an energy storage device 14 in parallel. However, as shown in the figure, the energy storage device parallel circuit 18 is fully coupled to the power supervisor controller 16 described above for overall control.
請一併參閱第1圖與第3圖,第3圖係本發明之智能省電方法的流程圖。如圖所示,首先如步驟S1所述,於市電電源端10與負載端12間設置一電力監控器16以及至少一儲能裝置14,而電力監控器16與市電電源端10以及儲能裝置14電性連接。然後,如步驟S2所述,電力監控器16判斷用電量,如果用電量等於特定預設值時,則如步驟S3所述,由儲能裝置14結合市電電源端10供電給負載端12,如果用電量小於特定預設值時,如步驟S4所述,由市電電源端10提供電力給負載端12。當如步驟S3所述,由儲能裝置14結合市電電源端10供電給負載端12時,在步驟S5階段,電力監控器16將判斷儲能裝置14是否非正常運作,如處於非飽電狀態或處於故障狀態,如果是非正常運作,則回到步驟S4,如果否,則如步驟S6所述,在由儲能裝置14參與供電給負載端12時,電力監控器16同時判斷用電量,如果用電量等於特定預設值時,則回到如步驟S3所述,繼續由儲能裝置14參與供電給負載端12,如果用電量小於特定預設值時,如步驟S4所述,改由市電電源端10提供電力給負載端12。Please refer to FIG. 1 and FIG. 3 together. FIG. 3 is a flow chart of the intelligent power saving method of the present invention. As shown in the figure, first, as described in step S1, a power monitor 16 and at least one energy storage device 14 are disposed between the commercial power supply terminal 10 and the load terminal 12, and the power monitor 16 and the commercial power supply terminal 10 and the energy storage device are provided. 14 electrical connection. Then, as described in step S2, the power monitor 16 determines the power consumption. If the power consumption is equal to a specific preset value, the energy storage device 14 is combined with the commercial power supply terminal 10 to supply the load terminal 12 as described in step S3. If the power consumption is less than a certain preset value, power is supplied from the commercial power supply terminal 10 to the load terminal 12 as described in step S4. When the energy storage device 14 is combined with the commercial power supply terminal 10 to supply the load terminal 12 as described in step S3, in step S5, the power monitor 16 will determine whether the energy storage device 14 is abnormally operating, such as in an uncharged state. Or in a fault state, if it is abnormal operation, then return to step S4, if not, then, as described in step S6, when the energy storage device 14 participates in power supply to the load terminal 12, the power monitor 16 simultaneously determines the power consumption, If the power usage is equal to a specific preset value, return to the power storage device 14 to continue to supply power to the load terminal 12 as described in step S3. If the power consumption is less than a specific preset value, as described in step S4, The mains power supply terminal 10 is supplied with power to the load terminal 12.
上述之電力監控器16控制儲能裝置14是否參與供電給負載端,也就是調配電力來源為儲能裝置14可利用設置一如先前所述之儲能裝置併聯電路18來達成。The power monitor 16 described above controls whether the energy storage device 14 participates in power supply to the load terminal, that is, the power source is configured to be stored by the energy storage device 14 as previously described.
再者,請再參閱第4圖,其係當上述步驟S5偵測到儲能裝置14處於非飽和狀態時,對儲能裝置14進行充電的流程圖。如步驟S11所述,當電力監控器16偵測到儲能裝置14處非飽和狀態時,電力監控器16將設定儲能裝置14的充電時段,例如離峰時段。隨後,如步驟S12所述,電力監控器16將偵測儲能裝置14是否故障。如果否,則如步驟S13所述,市電電源端10透過供電迴路20與儲能裝置併聯電路18對儲能裝置14進行充電,至飽電為止。如果儲能裝置14是故障的,則如步驟S14所述,市電電源端10將不再對儲能裝置14充電。Furthermore, please refer to FIG. 4 again, which is a flow chart of charging the energy storage device 14 when the above-mentioned step S5 detects that the energy storage device 14 is in an unsaturated state. As described in step S11, when the power monitor 16 detects an unsaturation state at the energy storage device 14, the power monitor 16 will set a charging period of the energy storage device 14, such as a peak period. Subsequently, as described in step S12, the power monitor 16 will detect if the energy storage device 14 is faulty. If not, the mains power supply terminal 10 charges the energy storage device 14 through the power supply circuit 20 and the energy storage device parallel circuit 18 as described in step S13 until the battery is fully charged. If the energy storage device 14 is faulty, the mains power terminal 10 will no longer charge the energy storage device 14 as described in step S14.
綜上所述,本發明提供一種智能省電系統及其方法,其係利用儲能裝置的獨特性,如鋰鐵磷電池不斷電系統,有效防止電力用戶超約。再者,電力用戶可從用電曲線中再次審視裝置儲能裝置後最適當的約定用電量,向電力公司申請降低約定用電量,以節省電費,降低碳足跡比例,提升企業國際競爭力。另外電力公司亦可從用戶穩定的用電控制不再增設電廠,甚至可降載運轉。In summary, the present invention provides an intelligent power saving system and method thereof, which utilizes the uniqueness of an energy storage device, such as a lithium iron phosphorus battery uninterruptible power system, to effectively prevent power users from exceeding the contract. Furthermore, the power user can review the most appropriate agreed power consumption after reviewing the device energy storage device from the power consumption curve, and apply to the power company to reduce the agreed power consumption to save electricity costs, reduce the carbon footprint ratio, and enhance the company's international competitiveness. . In addition, the power company can also no longer add power plants from the user's stable power control, and even reduce the load.
唯以上所述者,僅為本發明之較佳實施例而已,並非用來限定本發明實施之範圍。故即凡依本發明申請範圍所述之特徵及精神所為之均等變化或修飾,均應包括於本發明之申請專利範圍內。The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, any changes or modifications of the features and spirits of the present invention should be included in the scope of the present invention.
10...市電電源端10. . . Mains power supply
12...負載端12. . . Load side
14...儲能裝置14. . . Energy storage device
16...電力監控器16. . . Power monitor
18...儲能裝置併聯電路18. . . Energy storage device parallel circuit
20...供電迴路20. . . Power supply loop
第1圖係本發明之智能省電系統的方塊示意圖。Figure 1 is a block diagram of the intelligent power saving system of the present invention.
第2圖係本發明之智能省電系統的另一實施例的方塊示意圖。Figure 2 is a block diagram showing another embodiment of the intelligent power saving system of the present invention.
第3圖係本發明之智能省電方法的流程圖。Figure 3 is a flow chart of the intelligent power saving method of the present invention.
第4圖係本發明偵測到儲能裝置處於非飽和狀態時,對儲能裝置進行充電的流程圖。Figure 4 is a flow chart of the present invention for charging an energy storage device when it detects that the energy storage device is in an unsaturated state.
10...市電電源端10. . . Mains power supply
12...負載端12. . . Load side
14...儲能裝置14. . . Energy storage device
16...電力監控器16. . . Power monitor
18...儲能裝置併聯電路18. . . Energy storage device parallel circuit
20...供電迴路20. . . Power supply loop
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