An energy storage system and method integrating power quality management

Abstract

The present invention discloses an energy storage system and method integrating power quality management, which relates to the technical field of power quality management. The method includes: analyzing whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required power of the power supply interruption area, obtaining the data of the electrical equipment to analyze the priority of the electrical equipment, analyzing the required power of the necessary equipment, analyzing whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required power of the necessary equipment, and analyzing the optimal operating current of the electrical equipment based on the priority of the electrical equipment and the operating data of the electrical equipment. The present invention first determines whether the effective energy storage capacity of the energy storage device can meet the power consumption demand of the power supply interruption area or the power consumption demand of the necessary equipment in the power supply interruption area, and then reasonably distributes the power of the electrical equipment that cannot meet the power supply demand, giving priority to ensuring key equipment, and maximizing the improvement of the power quality management effect.

Description

Technical Field

[0001] The present invention relates to the technical field of power quality management, and particularly to an energy storage system and method integrating power quality management. Background Art

[0002] An emergency energy storage system is an important energy device that can provide power support in emergency situations to ensure the normal operation of critical facilities and important systems. The emergency energy storage system mainly consists of a battery pack, a battery management system, a charging device, an energy conversion device, a control system, etc. The emergency energy storage system is widely used in various important facilities and systems, such as hospitals, government agencies, industrial enterprises, data centers, communication facilities, petrochemical industries, etc. In these places, the emergency energy storage system can provide power support for critical facilities to ensure their normal operation in emergency situations and reduce losses and impacts caused by power outages. In addition, the emergency energy storage system can also be used for the emergency power consumption needs of families and individuals, such as power failures, natural disasters, etc.

[0003] However, when the repair time in the power supply interruption area is too long, there is a situation of insufficient power supply in the energy storage device. Existing technologies for power distribution mostly calculate the required energy storage resources based on the load demand information of electrical equipment, lacking technologies for reasonable power distribution based on the energy storage capacity of the energy storage device, the required power consumption, the aging condition of electrical equipment, and the priority of electrical equipment. As a result, key equipment cannot be preferentially guaranteed during long-term repairs in the power supply interruption area, leading to poor power quality management effects.

[0004] To solve the above problems, the present invention provides an energy storage system and method integrating power quality management. Summary of the Invention

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an energy storage system and method integrating power quality management. The present invention first determines whether the effective energy storage capacity of the energy storage device can meet the power consumption demand in the power supply interruption area or the power consumption demand of necessary equipment in the power supply interruption area, and then reasonably distributes power to the electrical equipment that cannot meet the power supply demand, preferentially guaranteeing key equipment and maximizing the power quality management effect.

[0006] To achieve the above purpose, the present invention is implemented by the following technical solutions:

[0007] On the one hand, the present invention provides an energy storage method integrating power quality management, including:

[0008] S1. Obtain the operation data of the energy storage device and analyze the effective energy storage capacity of the energy storage device;

[0009] S2. Obtain the historical power consumption data, the operation data of electrical equipment, and the repair time in the power supply interruption area to predict the required power consumption in the power supply interruption area;

[0010] S3. Analyze whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required power of the power supply interruption area. If the supply cannot be completed, perform the operation in step S4;

[0011] S4. Obtain the data of the electrical equipment to analyze the priority of the electrical equipment, divide the necessary equipment based on the priority of the electrical equipment, and analyze the required power of the necessary equipment;

[0012] S5. Analyze whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required power of the necessary equipment. If the supply cannot be completed, perform the operation in step S6;

[0013] S6. Analyze the optimal operating current of the electrical equipment based on the priority of the electrical equipment and the operating data of the electrical equipment. If the optimal operating current is less than the minimum operating current, supply power according to the minimum operating current.

[0014] Optionally, S1 includes the following specific steps:

[0015] S11. Obtain the operating data of the energy storage device, where the operating data of the energy storage device includes the usage duration of the energy storage device and the charge-discharge data of the energy storage device, and the charge-discharge data of the energy storage device includes the depth of discharge, the actual number of charge-discharge cycles, and the operating current;

[0016] S12. Analyze the device aging value based on the usage duration of the energy storage device, analyze the cyclic attenuation value based on the depth of discharge and the actual number of charge-discharge cycles, and analyze the charge-discharge fluctuation value based on the operating current;

[0017] S13. Analyze the effective energy storage capacity of the energy storage device based on the device aging value, the cyclic attenuation value, and the charge-discharge fluctuation value.

[0018] Optionally, S2 includes the following specific steps:

[0019] S21. Obtain the historical power consumption data of the power supply interruption area, the operating data of the electrical equipment, and the repair time, where the operating data of the electrical equipment includes the rated current of the electrical equipment, the usage duration of the electrical equipment, and the temperature of the electrical equipment;

[0020] S22. Analyze the average aging value of the electrical equipment in the power supply interruption area based on the usage duration of the electrical equipment and the temperature of the electrical equipment;

[0021] S23. Predict the required power of the power supply interruption area based on the historical power consumption data of the power supply interruption area, the average aging value of the electrical equipment in the power supply interruption area, and the repair time.

[0022] Optionally, S3 includes the following specific steps:

[0023] Compare the effective energy storage capacity of the energy storage device with the required power consumption in the power supply interruption area. If the effective energy storage capacity of the energy storage device is greater than or equal to the required power consumption in the power supply interruption area, it is determined that the energy storage device can complete the supply. If the effective energy storage capacity of the energy storage device is less than the required power consumption in the power supply interruption area, it is determined that the energy storage device cannot complete the supply, and step S4 is performed.

[0024] Optionally, S4 includes the following specific steps:

[0025] S41. Obtain the data of the electrical equipment, where the data of the electrical equipment includes the historical power consumption data of the electrical equipment, the current value of the electrical equipment, the downtime loss of the electrical equipment, the cost of the electrical equipment, and the data of the standby equipment. The downtime loss of the electrical equipment is obtained by multiplying the output value per unit time of the electrical equipment by the repair time. The data of the standby equipment includes the number of standby equipment and the cost of the standby equipment;

[0026] S42. Analyze the power outage impact value of the electrical equipment based on the current value of the electrical equipment and the downtime loss of the electrical equipment, analyze the substitution difficulty value of the electrical equipment based on the cost of the electrical equipment, the number of standby equipment, and the cost of the standby equipment, and analyze the priority level value of the electrical equipment based on the power outage impact value and the substitution difficulty value of the electrical equipment;

[0027] S43. Compare the priority level value of the electrical equipment with the preset priority level threshold of the electrical equipment, and classify the electrical equipment corresponding to the priority level value of the electrical equipment greater than or equal to the priority level threshold of the electrical equipment as necessary equipment;

[0028] S44. Analyze the required power consumption of the necessary equipment based on the historical power consumption data of the necessary equipment, the aging value of the necessary equipment, and the repair time.

[0029] Optionally, S5 includes the following specific steps:

[0030] Compare the effective energy storage capacity of the energy storage device with the required power consumption of the necessary equipment. If the effective energy storage capacity of the energy storage device is greater than or equal to the required power consumption of the necessary equipment, it is determined that the energy storage device can complete the supply. If the effective energy storage capacity of the energy storage device is less than the required power consumption of the necessary equipment, it is determined that the energy storage device cannot complete the supply, and step S6 is performed.

[0031] Optionally, S6 includes the following specific steps:

[0032] S61. Analyze the optimal operating current of the electrical equipment based on the priority level value of the electrical equipment and the rated current of the electrical equipment;

[0033] S62. Compare the optimal operating current of the electrical equipment with the minimum operating current of the electrical equipment. If the optimal operating current of the electrical equipment is greater than or equal to the minimum operating current of the electrical equipment, supply according to the optimal operating current of the electrical equipment. If the optimal operating current of the electrical equipment is less than the minimum operating current of the electrical equipment, supply according to the minimum operating current of the electrical equipment.

[0034] In a second aspect, the present invention provides an energy storage system integrating power quality management, including: an effective energy storage capacity analysis module for obtaining the operating data of the energy storage device and analyzing the effective energy storage capacity of the energy storage device;

[0035] A power supply interruption area demand power prediction module for obtaining the historical power consumption data, electrical equipment operating data and repair time of the power supply interruption area to predict the demand power of the power supply interruption area;

[0036] A power supply interruption area supply judgment module for analyzing whether the energy storage device can complete the supply based on the comparison result of the effective energy storage capacity of the energy storage device and the demand power of the power supply interruption area;

[0037] A necessary equipment demand power analysis module for obtaining the electrical equipment operating data to analyze the priority of the electrical equipment, dividing the necessary equipment based on the priority of the electrical equipment, and analyzing the demand power of the necessary equipment;

[0038] A necessary equipment supply judgment module for analyzing whether the energy storage device can complete the supply based on the comparison result of the effective energy storage capacity of the energy storage device and the demand power of the necessary equipment;

[0039] A current distribution module for analyzing the optimal operating current of the electrical equipment based on the priority of the electrical equipment and the operating data of the electrical equipment. If the optimal operating current is less than the minimum operating current, supply according to the minimum operating current.

[0040] In a third aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the energy storage method for integrating power quality management described in the first aspect are implemented.

[0041] In a fourth aspect, the present invention provides an electronic device, including:

[0042] A memory for storing computer instructions;

[0043] A processor for executing the computer instructions to implement the steps of the energy storage method for integrating power quality management described in the first aspect.

[0044] Compared with the prior art, the beneficial effects achieved by the present invention:

[0045] Obtain the operation data of the energy storage device to analyze the effective energy storage capacity of the energy storage device, obtain the historical power consumption data, the operation data of electrical equipment, and the repair time of the power outage area to predict the required power of the power outage area. Based on the comparison result between the effective energy storage capacity of the energy storage device and the required power of the power outage area, analyze whether the energy storage device can complete the supply. Obtain the operation data of electrical equipment to analyze the priority of electrical equipment, divide the necessary equipment based on the priority of electrical equipment, analyze the required power of the necessary equipment, and based on the comparison result between the effective energy storage capacity of the energy storage device and the required power of the necessary equipment, analyze whether the energy storage device can complete the supply. Based on the priority of electrical equipment and the operation data of electrical equipment, analyze the optimal operating current of electrical equipment. If the optimal operating current is less than the minimum operating current, supply according to the minimum operating current. The present invention first determines whether the effective energy storage capacity of the energy storage device can meet the power consumption demand of the power outage area or the power consumption demand of the necessary equipment in the power outage area, and then reasonably distributes the power of the electrical equipment that cannot meet the power supply demand, giving priority to ensuring key equipment and maximizing the improvement of the power quality management effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0047] Figure 1 It is a schematic flowchart of an energy storage method integrating power quality management according to the present invention;

[0048] Figure 2 It is a schematic flowchart of step S1 of an energy storage method integrating power quality management according to the present invention;

[0049] Figure 3 It is a schematic flowchart of step S2 of an energy storage method integrating power quality management according to the present invention;

[0050] Figure 4 It is a schematic flowchart of step S4 of an energy storage method integrating power quality management according to the present invention;

[0051] Figure 5 It is a schematic diagram of the overall framework of an energy storage system integrating power quality management according to the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0052] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0053] The term "and / or" is merely a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " generally represents an "or" relationship between the associated objects before and after.

[0054] Embodiment 1

[0055] Please refer to Figure 1 , a energy storage method integrating power quality management, which includes the following specific steps:

[0056] S1. Obtain the operation data of the energy storage device and analyze the effective energy storage capacity of the energy storage device;

[0057] In this embodiment, please refer to Figure 2 , S1 includes the following specific steps:

[0058] S11. Obtain the operation data of the energy storage device. The operation data of the energy storage device includes the usage duration of the energy storage device and the charge and discharge data of the energy storage device. The charge and discharge data of the energy storage device includes the depth of discharge, the actual number of charge and discharge cycles, and the operating current;

[0059] S12. Analyze the device aging value based on the usage duration of the energy storage device, analyze the cycle attenuation value based on the depth of discharge and the actual number of charge and discharge cycles, and analyze the charge and discharge fluctuation value based on the operating current;

[0060] S13. Analyze the effective energy storage capacity of the energy storage device based on the device aging value, the cycle attenuation value, and the charge and discharge fluctuation value.

[0061] In specific implementation, the calculation formula of the effective energy storage capacity of the energy storage device can be expressed as: ;

[0062] Wherein, is the effective energy storage capacity, is the theoretical energy storage capacity, is the device aging value, is the calendar attenuation coefficient, that is, the aging rate of the energy storage device, is the usage duration of the energy storage device, is the calendar life of the energy storage device, is the cycle attenuation value, is the charge and discharge attenuation coefficient, is the actual charge-discharge times, is the average value of the depth of discharge, is the depth of discharge sensitivity coefficient, is the standard depth of discharge, is the number of cycles under the standard depth of discharge, is the charge-discharge fluctuation value, is the number of acquisitions of the operating current, is the operating current acquired at the i-th acquisition, is the average value of the operating current, is the rated charge-discharge current, is the exponential function with base e.

[0063] In specific implementation, the calendar decay coefficient can be obtained as follows: Monitor several energy storage devices that meet the basic usage requirements and have the same theoretical energy storage capacity. When the effective energy storage capacity of the energy storage device cannot meet the basic usage requirements, obtain the usage duration of the energy storage device, and obtain the calendar decay coefficient of the energy storage device by dividing the difference between the theoretical energy storage capacity and the effective energy storage capacity by the usage duration. Obtain the average value of the calendar decay coefficients of several energy storage devices as the calendar decay coefficient of this embodiment;

[0064] The charge-discharge decay coefficient can be obtained as follows: Conduct charge-discharge cycle tests on energy storage devices that meet the theoretical energy storage capacity at the standard depth of discharge, draw the energy storage capacity decay curve based on the cycle data, and obtain the charge-discharge decay coefficient;

[0065] The depth of discharge sensitivity coefficient can be obtained as follows: Conduct tests with different depths of discharge on energy storage devices that meet the theoretical energy storage capacity under the same number of charge-discharge cycles, and obtain the depth of discharge sensitivity coefficient based on the influence of different depths of discharge on the energy storage capacity decay.

[0066] S2. Obtain the historical power consumption data, operating data of electrical equipment, and repair time of the power supply interruption area, and predict the required power of the power supply interruption area;

[0067] In this embodiment, please refer to Figure 3 , S2 includes the following specific steps:

[0068] S21. Obtain the historical power consumption data, operating data of electrical equipment, and repair time of the power supply interruption area. The operating data of electrical equipment includes the rated current of the electrical equipment, the usage duration of the electrical equipment, and the temperature of the electrical equipment;

[0069] S22. Analyze the average aging value of the electrical equipment in the power supply interruption area based on the usage duration and temperature of the electrical equipment;

[0070] In specific implementation, the calculation formula for the average aging value of electrical equipment can be expressed as: ;

[0071] Wherein, is the average aging value of the electrical equipment, is the number of electrical equipment, is the aging value of the v-th electrical equipment, is the usage duration of the v-th electrical equipment, is the calendar life of the v-th electrical equipment, is the temperature of the v-th electrical equipment, is the standard temperature of the v-th electrical equipment, and the standard temperature can be obtained through the average value of the temperature when the electrical equipment operates normally.

[0072] S23. Predict the required power of the power supply interruption area based on the historical power consumption data of the power supply interruption area, the average aging value of the electrical equipment in the power supply interruption area, and the repair time.

[0073] In specific implementation, the prediction formula for the required power of the power supply interruption area at time q can be expressed as: ;

[0074] Wherein, is the predicted required power of the power supply interruption area at time q, is the window size, that is, the number of historical power consumption data of the power supply interruption area selected, is the p-th historical power consumption value of the power supply interruption area;

[0075] The prediction formula for the required power of the power supply interruption area can be expressed as: ;

[0076] Wherein, is the required power of the power supply interruption area, is the repair time, is the predicted required power of the power supply interruption area during the repair time.

[0077] S3. Analyze whether the energy storage device can complete the supply based on the comparison result of the effective energy storage capacity of the energy storage device and the required power of the power supply interruption area. If it cannot complete the supply, perform the operation of step S4;

[0078] In this embodiment, S3 includes the following specific steps:

[0079] Compare the effective energy storage capacity of the energy storage device with the power demand of the power supply interruption area. If the effective energy storage capacity of the energy storage device is greater than or equal to the power demand of the power supply interruption area, it is determined that the energy storage device can complete the supply, and the supply operation is performed on the power supply interruption area. If the effective energy storage capacity of the energy storage device is less than the power demand of the power supply interruption area, it is determined that the energy storage device cannot complete the supply, and the operation of step S4 is performed.

[0080] S4. Obtain the data of the electrical equipment, analyze the priority of the electrical equipment, divide the necessary equipment based on the priority of the electrical equipment, and analyze the power demand of the necessary equipment;

[0081] In this embodiment, please refer to Figure 4 , S4 includes the following specific steps:

[0082] S41. Obtain the data of the electrical equipment. The data of the electrical equipment includes the historical power consumption data of the electrical equipment, the current value of the electrical equipment, the downtime loss of the electrical equipment, the cost of the electrical equipment, and the data of the standby equipment. The downtime loss of the electrical equipment is obtained based on the output value per unit time of the electrical equipment multiplied by the repair time. The data of the standby equipment includes the number of standby equipment and the cost of the standby equipment;

[0083] S42. Analyze the power outage impact value of the electrical equipment based on the current value of the electrical equipment and the downtime loss of the electrical equipment, analyze the substitution difficulty value of the electrical equipment based on the cost of the electrical equipment, the number of standby equipment and the cost of the standby equipment, and analyze the priority level value of the electrical equipment based on the power outage impact value and the substitution difficulty value of the electrical equipment;

[0084] In specific implementation, the calculation formula of the priority level value of the electrical equipment can be expressed as: ;

[0085] Among them, is the priority level value of the electrical equipment, is the current value of the mth electrical equipment, is the total current of the power supply interruption area, is the downtime loss of the mth electrical equipment, is the total loss during the repair period of the power supply interruption area, obtained based on the sum of the output value per unit time of each electrical equipment multiplied by the repair time, is the power outage impact value of the electrical equipment, is the logarithmic function with base e, is the number of standby equipment, is the cost of the standby equipment, is the cost of the mth electrical equipment, is the substitution difficulty value of the electrical equipment.

[0086] S43. Compare the priority value of the electrical equipment with the preset priority threshold of the electrical equipment, and classify the electrical equipment corresponding to the priority value of the electrical equipment greater than or equal to the priority threshold of the electrical equipment as necessary equipment;

[0087] In specific implementation, the acquisition method of the priority threshold of the electrical equipment can be as follows: obtain the electrical equipment data of the set area, calculate the priority value of each electrical equipment, invite electrical energy experts to classify the necessary equipment according to the actual importance of the electrical equipment, and screen out the corresponding minimum priority value of the electrical equipment as the priority threshold of the electrical equipment according to the necessary equipment classified by the experts.

[0088] S44. Analyze the required power of the necessary equipment based on the historical power consumption data, aging value and repair time of the necessary equipment.

[0089] In specific implementation, the calculation formula of the required power of the necessary equipment can be expressed as: ;

[0090] Among them, is the required power of the necessary equipment, is the number of necessary equipment, is the aging value of the a-th necessary equipment, which can be obtained from the above formula obtained, is the r-th historical power consumption value of the necessary equipment, is the q moment during the repair period, is the number of historical power consumption data of the necessary equipment, is the predicted required power of the necessary equipment during the repair time.

[0091] S5. Analyze whether the energy storage device can complete the supply based on the comparison result of the effective energy storage capacity of the energy storage device and the required power of the necessary equipment. If it cannot complete the supply, perform the operation of step S6;

[0092] In this embodiment, S5 includes the following specific steps:

[0093] Compare the effective energy storage capacity of the energy storage device with the required power of the necessary equipment. If the effective energy storage capacity of the energy storage device is greater than or equal to the required power of the necessary equipment, it is determined that the energy storage device can complete the supply, and perform the supply operation on the necessary equipment. If the effective energy storage capacity of the energy storage device is less than the required power of the necessary equipment, it is determined that the energy storage device cannot complete the supply, and perform the operation of step S6.

[0094] S6. Analyze the optimal operating current of the electrical equipment based on the priority of the electrical equipment and the operation data of the electrical equipment. If the optimal operating current is less than the minimum operating current, supply according to the minimum operating current.

[0095] In this embodiment, S6 includes the following specific steps:

[0096] S61. Analyze the optimal operating current of the electrical equipment based on the priority value of the electrical equipment and the rated current of the electrical equipment;

[0097] In specific implementation, the calculation formula for the optimal operating current of the electrical equipment can be expressed as: ;

[0098] Wherein, is the optimal operating current of the electrical equipment, is the rated current of the electrical equipment.

[0099] S62. Compare the optimal operating current of the electrical equipment with the minimum operating current of the electrical equipment. If the optimal operating current of the electrical equipment is greater than or equal to the minimum operating current of the electrical equipment, supply according to the optimal operating current of the electrical equipment. If the optimal operating current of the electrical equipment is less than the minimum operating current of the electrical equipment, supply according to the minimum operating current of the electrical equipment.

[0100] Embodiment 2

[0101] Please refer to Figure 5 , an energy storage system integrating power quality management, including: an effective energy storage capacity analysis module for obtaining the operation data of the energy storage device and analyzing the effective energy storage capacity of the energy storage device;

[0102] A power supply interruption area demand power prediction module for obtaining the historical power consumption data, the operation data of the electrical equipment and the repair time of the power supply interruption area to predict the demand power of the power supply interruption area;

[0103] A power supply interruption area supply judgment module for analyzing whether the energy storage device can complete the supply based on the comparison result of the effective energy storage capacity of the energy storage device and the demand power of the power supply interruption area;

[0104] A necessary equipment demand power analysis module for obtaining the operation data of the electrical equipment, analyzing the priority of the electrical equipment, dividing the necessary equipment based on the priority of the electrical equipment, and analyzing the demand power of the necessary equipment;

[0105] A necessary equipment supply judgment module for analyzing whether the energy storage device can complete the supply based on the comparison result of the effective energy storage capacity of the energy storage device and the demand power of the necessary equipment;

[0106] A current distribution module for analyzing the optimal operating current of the electrical equipment based on the priority of the electrical equipment and the operation data of the electrical equipment. If the optimal operating current is less than the minimum operating current, supply according to the minimum operating current.

[0107] Embodiment 3

[0108] This embodiment provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the above-mentioned energy storage method integrating power quality management are implemented.

[0109] Embodiment 4

[0110] This embodiment provides an electronic device, including: a memory for storing computer instructions, and a processor for executing the above computer instructions to implement the steps of an energy storage method integrating power quality management.

[0111] This electronic device may vary greatly due to configuration or performance differences, and can include one or more processors (Central Processing Units, CPUs) and one or more memories. Among them, at least one computer program is stored in the memory, and this computer program is loaded and executed by the processor to implement an energy storage method integrating power quality management provided by the above method embodiment. This electronic device can also include other components for implementing device functions. For example, this electronic device can also have components such as wired or wireless network interfaces and input / output interfaces for data input and output, which will not be elaborated in this embodiment.

[0112] Those skilled in the art should understand that the embodiments of the present invention can be provided as methods, systems, or computer program products. Therefore, the present invention can adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present invention can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk memories, CD-ROMs, optical memories, etc.) containing computer-usable program codes.

[0113] The present invention is described with reference to the flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to the embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing devices generate means for implementing the functions specified in Figure 1 one process or multiple processes and / or blocks Figure 1 one block or multiple blocks.

[0114] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to work in a particular manner, such that the instructions stored in the computer-readable memory produce a manufacture including an instruction device that implements the functions specified in one or more of the processes and / or blocks Figure 1 one or more processes and / or blocks Figure 1 specified in the block or blocks.

[0115] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process, so that the instructions executed on the computer or other programmable apparatus provide steps for implementing the functions specified in one or more of the processes and / or blocks Figure 1 one or more processes and / or blocks Figure 1 specified in the block or blocks.

[0116] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope protected by the claims of the present invention. All of these are within the protection scope of the present invention.

Claims

1. A energy storage method integrating power quality management, characterized in that It includes the following specific steps: S1. Obtain the operation data of the energy storage device and analyze the effective energy storage capacity of the energy storage device; It includes the following specific steps: S11. Obtain the operation data of the energy storage device. The operation data of the energy storage device includes the usage duration of the energy storage device and the charge-discharge data of the energy storage device. The charge-discharge data of the energy storage device includes the depth of discharge, the actual number of charge-discharge cycles, and the operating current; S12. Analyze the device aging value based on the usage duration of the energy storage device, analyze the cycle attenuation value based on the depth of discharge and the actual number of charge-discharge cycles, and analyze the charge-discharge fluctuation value based on the operating current; S13. Analyze the effective energy storage capacity of the energy storage device based on the device aging value, the cycle attenuation value, and the charge-discharge fluctuation value; S2. Obtain the historical electricity consumption data, the operation data of the electrical equipment, and the repair time of the power supply interruption area, and predict the required electricity quantity of the power supply interruption area; S3. Analyze whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required electricity quantity of the power supply interruption area. If it cannot complete the supply, perform the operation in step S4; S4. Obtain the data of the electrical equipment, analyze the priority of the electrical equipment, divide the necessary equipment based on the priority of the electrical equipment, and analyze the required electricity quantity of the necessary equipment; It includes the following specific steps: S41. Obtain the data of the electrical equipment. The data of the electrical equipment includes the historical electricity consumption data of the electrical equipment, the current value of the electrical equipment, the shutdown loss of the electrical equipment, the cost of the electrical equipment, and the data of the standby equipment. The shutdown loss of the electrical equipment is obtained by multiplying the output value per unit time of the electrical equipment by the repair time. The data of the standby equipment includes the number of standby equipment and the cost of the standby equipment; S42. Analyze the power outage impact value of the electrical equipment based on the current value of the electrical equipment and the shutdown loss of the electrical equipment, analyze the substitution difficulty value of the electrical equipment based on the cost of the electrical equipment, the number of standby equipment, and the cost of the standby equipment, and analyze the priority level value of the electrical equipment based on the power outage impact value and the substitution difficulty value of the electrical equipment; S43. Compare the priority level value of the electrical equipment with the preset priority level threshold of the electrical equipment, and divide the electrical equipment corresponding to the priority level value of the electrical equipment greater than or equal to the priority level threshold of the electrical equipment into necessary equipment; S44. Analyze the required electricity quantity of the necessary equipment based on the historical electricity consumption data of the necessary equipment, the aging value of the necessary equipment, and the repair time; S5. Analyze whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required electricity quantity of the necessary equipment. If it cannot complete the supply, perform the operation in step S6; S6. Analyze the optimal operating current of the electrical equipment based on the priority of the electrical equipment and the operation data of the electrical equipment. If the optimal operating current is less than the minimum operating current, supply according to the minimum operating current.

2. The energy storage method integrating power quality management according to claim 1, wherein, The step S2 includes the following specific steps: S21. Obtain the historical electricity consumption data, the operation data of the electrical equipment, and the repair time of the power supply interruption area. The operation data of the electrical equipment includes the rated current of the electrical equipment, the usage duration of the electrical equipment, and the temperature of the electrical equipment; S22. Analyze the average aging value of the electrical equipment in the power supply interruption area based on the usage duration of the electrical equipment and the temperature of the electrical equipment; S23. Predict the required electricity consumption of the power supply interruption area based on the historical electricity consumption data of the power supply interruption area, the average aging value of the electrical equipment in the power supply interruption area, and the repair time.

3. The energy storage method integrating power quality management according to claim 2, characterized in that, The S3 includes the following specific steps: Compare the effective energy storage capacity of the energy storage device with the required electricity consumption of the power supply interruption area. If the effective energy storage capacity of the energy storage device is greater than or equal to the required electricity consumption of the power supply interruption area, it is determined that the energy storage device can complete the supply. If the effective energy storage capacity of the energy storage device is less than the required electricity consumption of the power supply interruption area, it is determined that the energy storage device cannot complete the supply, and perform the operation of step S4.

4. The energy storage method integrating power quality management according to claim 3, characterized in that, The S5 includes the following specific steps: Compare the effective energy storage capacity of the energy storage device with the required electricity consumption of the necessary equipment. If the effective energy storage capacity of the energy storage device is greater than or equal to the required electricity consumption of the necessary equipment, it is determined that the energy storage device can complete the supply. If the effective energy storage capacity of the energy storage device is less than the required electricity consumption of the necessary equipment, it is determined that the energy storage device cannot complete the supply, and perform the operation of step S6.

5. The energy storage method integrating power quality management according to claim 4, wherein, The S6 includes the following specific steps: S61. Analyze the optimal operating current of the electrical equipment based on the priority value of the electrical equipment and the rated current of the electrical equipment. S62. Compare the optimal operating current of the electrical equipment with the minimum operating current of the electrical equipment. If the optimal operating current of the electrical equipment is greater than or equal to the minimum operating current of the electrical equipment, supply according to the optimal operating current of the electrical equipment. If the optimal operating current of the electrical equipment is less than the minimum operating current of the electrical equipment, supply according to the minimum operating current of the electrical equipment.

6. A energy storage system integrating power quality management is used to implement the energy storage method integrating power quality management as described in any one of claims 1-5, characterized in that It includes: An effective energy storage capacity analysis module, which is used to obtain the operating data of the energy storage device and analyze the effective energy storage capacity of the energy storage device. A required electricity consumption prediction module for the power supply interruption area, which is used to obtain the historical electricity consumption data of the power supply interruption area, the operating data of the electrical equipment, and the repair time to predict the required electricity consumption of the power supply interruption area. A supply judgment module for the power supply interruption area, which is used to analyze whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required electricity consumption of the power supply interruption area. A required electricity consumption analysis module for necessary equipment, which is used to obtain the electrical equipment data, analyze the priority of the electrical equipment, divide the necessary equipment based on the priority of the electrical equipment, and analyze the required electricity consumption of the necessary equipment. A supply judgment module for necessary equipment, which is used to analyze whether the energy storage device can complete the supply based on the comparison result between the effective energy storage capacity of the energy storage device and the required electricity consumption of the necessary equipment. A current distribution module, which is used to analyze the optimal operating current of the electrical equipment based on the priority of the electrical equipment and the operating data of the electrical equipment. If the optimal operating current is less than the minimum operating current, supply according to the minimum operating current.

7. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the energy storage method for integrating power quality management described in any one of claims 1-5.

8. An electronic device, characterized in that, It includes: A memory for storing computer instructions; A processor for executing the computer instructions to implement the steps of the energy storage method for integrating power quality management described in any one of claims 1-5.

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