CN111106645A - Management system and method for distribution network automation power supply - Google Patents

Management system and method for distribution network automation power supply Download PDF

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Publication number
CN111106645A
CN111106645A CN201911359041.9A CN201911359041A CN111106645A CN 111106645 A CN111106645 A CN 111106645A CN 201911359041 A CN201911359041 A CN 201911359041A CN 111106645 A CN111106645 A CN 111106645A
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CN
China
Prior art keywords
power supply
power
consumption speed
working state
less
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911359041.9A
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Chinese (zh)
Inventor
李重杭
苏宁
王哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Power Supply Bureau Co Ltd
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Shenzhen Power Supply Bureau Co Ltd
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Publication date
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Priority to CN201911359041.9A priority Critical patent/CN111106645A/en
Publication of CN111106645A publication Critical patent/CN111106645A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392Determining battery ageing or deterioration, e.g. state of health
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention relates to a management method of a distribution network automatic power supply, which comprises the following steps of; acquiring working state information and the current remaining power ratio, wherein the working state information comprises working duration and the total consumed power ratio; acquiring the power consumption speed according to the working state information; determining the available power supply time length of the current surplus power ratio in the working state according to the current surplus power ratio and the power consumption speed; judging whether the available power supply time length is less than or equal to a preset value, and sending out a reminding message when the available power supply time length is less than or equal to the preset value; recording the current electric quantity consumption speed; and comparing and analyzing the current electric quantity consumption speed with the electric quantity consumption speed in the same previous working state to obtain the power supply capacity attenuation degree. The management system and the management method of the distribution network automatic power supply reduce the management cost, simultaneously prevent the field from being incapable of operating due to the battery problem and improve the working efficiency.

Description

Management system and method for distribution network automation power supply
Technical Field
The invention relates to the field of power management, in particular to a management system and a management method of a distribution network automatic power supply.
Background
With the increase of the commissioning time, the inevitable capacity attenuation of the storage battery or insufficient electricity after power failure causes the failure of the breaker to operate; the battery state is difficult to predict in advance, and the maintenance and overhaul basis cannot be provided for operation and maintenance personnel.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a system and a method for managing a power supply of a distribution network.
A management method of a distribution network automation power supply comprises the following steps;
acquiring working state information and the current remaining power ratio, wherein the working state information comprises working duration and the total consumed power ratio;
acquiring the power consumption speed according to the working state information;
determining the available power supply time length of the current surplus power ratio in the working state according to the current surplus power ratio and the power consumption speed;
judging whether the available power supply time length is less than or equal to a preset value, and sending out a reminding message when the available power supply time length is less than or equal to the preset value;
recording the current electric quantity consumption speed;
and comparing and analyzing the current electric quantity consumption speed with the electric quantity consumption speed in the same previous working state to obtain the power supply capacity attenuation degree.
In one embodiment, the step of sending the reminding message when the available power time is less than or equal to a preset value is performed by judging whether the available power time is less than or equal to the preset value, and the step of sending the reminding message when the available power time is less than or equal to the preset value comprises presetting a first threshold value of the available power time, and sending the reminding message to the display panel when the available power time is less than or equal to the first threshold value.
In one embodiment, in the step of determining whether the power supply available time is less than or equal to a preset value, and when the power supply available time is less than or equal to the preset value, sending out the reminding information, a second threshold value of the power supply available time is further included, and when the power supply available time is less than or equal to the second threshold value, the reminding information is sent out to the display panel and the master station at the same time, wherein the second threshold value is less than the first threshold value.
In one embodiment, the reminding information is duration information of the continuous operation in the operating state.
In one embodiment, the step of comparing and analyzing the current power consumption rate with the power consumption rate in the previous same operating state includes:
acquiring the current electric quantity consumption speed and the electric quantity consumption speed in the same previous working state;
comparing the power consumption speed of each time with the power consumption speed of the previous time to obtain the attenuation rate of the power capacity of each time;
and comparing the attenuation rate of each power supply capacity to obtain an attenuation change curve of the power supply capacity.
In one embodiment, the step of obtaining the ratio between the operating state information and the current remaining power includes:
after a target object starting request is received, determining a target running time length from the beginning to the end of running of the target object;
recording the remaining capacity ratio when a target object starting request is received;
acquiring the current remaining power ratio;
and comparing the current remaining power ratio with the remaining power ratio when the target object starting request is received to obtain the total consumed power ratio.
Based on the inventive concept, a management system of a distribution network automation power supply is provided, which comprises:
the data acquisition module is used for acquiring working state information and the current remaining power ratio, wherein the working state information comprises working duration and the total consumed power ratio;
the first data processing module is connected with the data acquisition module and used for acquiring the electricity consumption speed according to the working state information and determining the available power supply duration of the current surplus electricity ratio in the working state according to the electricity consumption speed and the current surplus electricity ratio;
the reminding module is connected with the first data processing module and used for judging whether the power supply available time is less than or equal to a preset value or not, and sending reminding information when the power supply available time is less than or equal to the preset value;
the storage module is connected with the first data processing module and used for recording the electric quantity consumption speed;
and the second data processing module is connected with the storage module and used for comparing and analyzing the current electric quantity consumption speed and the electric quantity consumption speed in the same previous working state to obtain the power supply capacity attenuation degree.
In one embodiment, the low-power reminder further comprises a display panel, wherein the display panel is connected with the reminding module and the second data processing module, and is used for displaying the low-power reminder when the available power duration is less than or equal to a first threshold.
In one embodiment, the system further comprises a communication module, wherein the communication module is respectively connected with the reminding module and the second data processing module, and is used for sending the power supply capacity attenuation degree to the master station and sending reminding information to the master station when the power supply available time is less than or equal to a second threshold; wherein the second threshold is less than the first threshold. .
In one embodiment, the reminding information is duration information of the continuous operation in the operating state.
According to the management system and method of the distribution network automatic power supply, the battery information is used for reminding, the battery maintenance basic data are provided for operation and maintenance personnel, the current '5-year battery replacement' is avoided, the management cost is reduced, the field is prevented from being incapable of being operated due to the battery problem, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow diagram of a method for managing a power supply for distribution automation in one embodiment;
FIG. 2 is a flowchart of step S110 in FIG. 1;
FIG. 3 is a flowchart of step S160 in FIG. 1;
FIG. 4 is a block circuit diagram of a management system for a distribution automation power supply in one embodiment;
fig. 5 is a circuit block diagram of a management system of a distribution automation power supply in another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
A method for managing a distribution network automation power supply, as shown in fig. 1, includes;
s110, acquiring working state information and the current remaining power ratio, wherein the working state information comprises working duration and the total consumed power ratio;
and S120, acquiring the power consumption speed according to the working state information.
And S130, determining the available power supply time of the current surplus power ratio in the working state according to the current surplus power ratio and the power consumption speed.
S140, judging whether the available power time length is less than or equal to a preset value, and sending out reminding information when the available power time length is less than or equal to the preset value. And the reminding information is duration information of the continuous work in the working state.
And S150, recording the current electric quantity consumption speed.
And S160, comparing and analyzing the current power consumption speed with the power consumption speed in the same working state to obtain the power capacity attenuation degree.
Specifically, in step S140, a first threshold value of the power supply duration and a second threshold value of the power supply duration are preset, and when the power supply available duration is less than or equal to the first threshold value, a prompt message is sent to the display panel; when the power supply available time is less than or equal to the second threshold, simultaneously sending reminding information to a display panel and a main station; wherein the second threshold is less than the first threshold.
In step S110, as shown in fig. 2, the method includes:
s111, after receiving a target object starting request, determining a target operation time length from the beginning to the end of the operation of the target object;
s112, recording the remaining capacity ratio when the target object starting request is received;
s113, acquiring the current remaining power ratio;
and S114, comparing the current remaining power ratio with the remaining power ratio when the target object starting request is received to obtain the total consumed power ratio.
In step S160, as shown in fig. 3, the method includes:
s161, acquiring the current electric quantity consumption speed and the electric quantity consumption speed in the same previous working state;
s162, comparing the power consumption speed of each time with the power consumption speed of the previous time to obtain the attenuation rate of each time of power supply capacity;
and S163, comparing the attenuation rate of each power supply capacity to obtain an attenuation change curve of the power supply capacity.
Based on the above inventive concept, a management system of a distribution network automation power supply is provided, as shown in fig. 4, including a data acquisition module 210, a first data processing module 220, a reminding module 230, a storage module 240, and a second data processing module 250, where the first data processing module 220 is connected to the data acquisition module 210, the first data processing module 220, and the storage module 240, respectively, and the second data processing module 250 is connected to the storage module 240. The data acquisition module 210 is configured to acquire working state information and a current remaining power ratio, where the working state information includes a working duration and a total consumed power ratio; the first data processing module 220 is configured to obtain an electric quantity consumption rate according to the operating state information, and determine a power available duration of the current remaining electric quantity ratio in the operating state according to the electric quantity consumption rate and the current remaining electric quantity ratio; the reminding module 230 is configured to determine whether the available power time is less than or equal to a preset value, and send a reminding message when the available power time is less than or equal to the preset value, where the reminding message is specifically a time information of sustainable working in the working state; the storage module 240 is used for recording the power consumption speed; the second data processing module 250 is configured to compare and analyze the current power consumption rate with a power consumption rate in the previous same working state, so as to obtain a power capacity attenuation degree.
In one embodiment, as shown in fig. 5, the management system of the distribution network automation power supply further includes a display panel 260 and a communication module 270, where the display panel 260 is connected to the reminding module 230 and the second data processing module 250, and is configured to display the low power reminder when the available power duration is less than or equal to a first threshold. The communication module 270 is respectively connected to the reminding module 230 and the second data processing module 250, and is configured to send the power capacity attenuation degree to the master station, and when the available power duration is less than or equal to a second threshold, to send a reminding message to the master station; wherein the second threshold is less than the first threshold.
The working principle of the management system of the distribution network automatic power supply is already explained in the management method of the distribution network automatic power supply, and is not described herein again.
According to the management system and method of the distribution network automatic power supply, the battery information is used for reminding, the battery maintenance basic data are provided for operation and maintenance personnel, the current '5-year battery replacement' is avoided, the management cost is reduced, the field is prevented from being incapable of being operated due to the battery problem, and the working efficiency is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A management method of a distribution network automation power supply is characterized by comprising the following steps of;
acquiring working state information and the current remaining power ratio, wherein the working state information comprises working duration and the total consumed power ratio;
acquiring the power consumption speed according to the working state information;
determining the available power supply time length of the current surplus power ratio in the working state according to the current surplus power ratio and the power consumption speed;
judging whether the available power supply time length is less than or equal to a preset value, and sending out a reminding message when the available power supply time length is less than or equal to the preset value;
recording the current electric quantity consumption speed;
and comparing and analyzing the current electric quantity consumption speed with the electric quantity consumption speed in the same previous working state to obtain the power supply capacity attenuation degree.
2. The method for managing a distribution network automation power supply of claim 1, wherein the step of sending a warning message when the available power time is less than or equal to a preset value includes presetting a first threshold of the available power time, and sending a warning message to a display panel when the available power time is less than or equal to the first threshold.
3. The method for managing a distribution network automation power supply of claim 2, wherein the step of sending a warning message when the available power time is less than or equal to a preset value is further performed by presetting a second threshold value of the available power time, and sending a warning message to a display panel and a master station when the available power time is less than or equal to the second threshold value, wherein the second threshold value is less than the first threshold value.
4. The method according to claim 2 or 3, wherein the reminding information is information of a duration of the continuous operation in the operating state.
5. The method for managing power supply for distribution automation as set forth in claim 1, wherein the step of comparing and analyzing the current power consumption rate with the power consumption rate in the same previous operating state comprises:
acquiring the current electric quantity consumption speed and the electric quantity consumption speed in the same previous working state;
comparing the power consumption speed of each time with the power consumption speed of the previous time to obtain the attenuation rate of the power capacity of each time;
and comparing the attenuation rate of each power supply capacity to obtain an attenuation change curve of the power supply capacity.
6. The method for managing a power supply according to claim 1, wherein the step of obtaining the ratio between the operating status information and the current remaining power comprises:
after a target object starting request is received, determining a target running time length from the beginning to the end of running of the target object;
recording the remaining capacity ratio when a target object starting request is received;
acquiring the current remaining power ratio;
and comparing the current remaining power ratio with the remaining power ratio when the target object starting request is received to obtain the total consumed power ratio.
7. A management system for a distribution network automation power supply, comprising:
the data acquisition module is used for acquiring working state information and the current remaining power ratio, wherein the working state information comprises working duration and the total consumed power ratio;
the first data processing module is connected with the data acquisition module and used for acquiring the electricity consumption speed according to the working state information and determining the available power supply duration of the current surplus electricity ratio in the working state according to the electricity consumption speed and the current surplus electricity ratio;
the reminding module is connected with the first data processing module and used for judging whether the power supply available time is less than or equal to a preset value or not, and sending reminding information when the power supply available time is less than or equal to the preset value;
the storage module is connected with the first data processing module and used for recording the electric quantity consumption speed;
and the second data processing module is connected with the storage module and used for comparing and analyzing the current electric quantity consumption speed and the electric quantity consumption speed in the same previous working state to obtain the power supply capacity attenuation degree.
8. The system of claim 7, further comprising a display panel, the display panel being coupled to the reminder module and the second data processing module, the display panel being configured to display a low battery reminder when the available power duration is less than or equal to a first threshold.
9. The management system of the distribution network automation power supply of claim 8, further comprising a communication module, wherein the communication module is respectively connected with the reminding module and the second data processing module, and is configured to send the power capacity attenuation degree to the master station, and when the available power duration is less than or equal to a second threshold, is configured to send reminding information to the master station; wherein the second threshold is less than the first threshold.
10. The system for managing a distribution network automation power supply according to any one of claims 7 to 9 wherein the reminding information is information of a duration of a continuous operation in the operation state.
CN201911359041.9A 2019-12-25 2019-12-25 Management system and method for distribution network automation power supply Pending CN111106645A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115219913A (en) * 2022-09-19 2022-10-21 合肥原力众合能源科技有限公司 Power battery full-life-cycle management system based on capacity increment method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070083785A1 (en) * 2004-06-10 2007-04-12 Sehat Sutardja System with high power and low power processors and thread transfer
CN106383572A (en) * 2016-09-29 2017-02-08 深圳天珑无线科技有限公司 Information output method and device
CN106772100A (en) * 2017-02-06 2017-05-31 联想(北京)有限公司 A kind of method and device for predicting battery life

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070083785A1 (en) * 2004-06-10 2007-04-12 Sehat Sutardja System with high power and low power processors and thread transfer
CN106383572A (en) * 2016-09-29 2017-02-08 深圳天珑无线科技有限公司 Information output method and device
CN106772100A (en) * 2017-02-06 2017-05-31 联想(北京)有限公司 A kind of method and device for predicting battery life

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115219913A (en) * 2022-09-19 2022-10-21 合肥原力众合能源科技有限公司 Power battery full-life-cycle management system based on capacity increment method

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