CN112467878A - Monitoring system and monitoring method for direct-current power supply system - Google Patents
Monitoring system and monitoring method for direct-current power supply system Download PDFInfo
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- CN112467878A CN112467878A CN202011290324.5A CN202011290324A CN112467878A CN 112467878 A CN112467878 A CN 112467878A CN 202011290324 A CN202011290324 A CN 202011290324A CN 112467878 A CN112467878 A CN 112467878A
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- power supply
- current power
- supply system
- storage battery
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007689 inspection Methods 0.000 claims abstract description 54
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013479 data entry Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a monitoring system and a monitoring method for a direct current power supply system, wherein the system comprises: the inspection information input module is used for inputting inspection data of the direct-current power supply system; the control function setting module is used for setting the control function of the direct-current power supply system; the protection and alarm setting module is used for setting the protection and alarm fixed value of the direct-current power supply system; and the early warning information prompting module is used for analyzing the routing inspection data according to set protection and warning fixed values, and generating early warning information if the routing inspection data exceeds a threshold value. The monitoring system of the direct-current power supply system established by the invention can improve the recording efficiency of the inspection data, can early warn the inspection data in time and is convenient for subsequent operation and maintenance.
Description
Technical Field
The invention relates to a monitoring system and a monitoring method for a direct-current power supply system, and belongs to the technical field of direct-current power supply systems of power enterprises.
Background
The direct current power supply system of the transformer substation is a provider of power supplies and operation control power supplies of communication and various protection and automation devices in the transformer substation, is a premise of normal operation of intelligent equipment of the transformer substation, and is an important link for ensuring safe and reliable operation of the transformer substation. The direct-current power supply system mainly comprises a direct-current screen and a storage battery 2. The direct current screen is a combination of various devices of a direct current system except a storage battery, has higher integration level, can perform self-checking to a certain extent, and mainly comprises modules such as a charging module, a direct current bus, bus insulation monitoring and battery detection units. At present, after a direct-current power supply system is patrolled, a working mode of manually inputting and compiling through Excel and Word is adopted, so that the efficiency is low, and early warning can not be carried out on patrolling data.
Disclosure of Invention
Based on the above, the invention provides a monitoring system and a monitoring method for a direct current power supply system, and by establishing the monitoring system of the direct current power supply system, the data entry efficiency can be improved, and early warning can be performed on routing inspection data in time.
The technical scheme of the invention is as follows: a monitoring system for a dc power supply system, wherein the system comprises:
the inspection information input module is used for inputting inspection data of the direct-current power supply system;
the control function setting module is used for setting the control function of the direct-current power supply system;
the protection and alarm setting module is used for setting the protection and alarm fixed value of the direct-current power supply system;
and the early warning information prompting module is used for analyzing the routing inspection data according to set protection and warning fixed values, and generating early warning information if the routing inspection data exceeds a threshold value.
Optionally, the inspection data includes inspection information of the direct-current system charger and the storage battery, inspection information of the direct-current power supply panel, characteristic data of the direct-current system charger, test data of the storage battery management unit, measurement data of internal resistance of the storage battery, check discharge test data of the storage battery, and measurement data of temperature of the storage battery.
Optionally, the control function setting includes setting of uniform and floating charge conversion parameters, and setting of fixed values of the charger operating parameters and the storage battery operating parameters.
Optionally, the protection and alarm fixed value includes a charger protection fixed value, a storage battery alarm fixed value, a dc bus alarm fixed value, and an insulation monitoring device alarm fixed value.
The invention also provides a monitoring method for the direct current power supply system, wherein the method comprises the following steps:
inputting inspection data of a direct current power supply system;
setting a control function of the direct current power supply system;
setting protection and alarm fixed values of a direct current power supply system;
and analyzing the routing inspection data according to set protection and alarm fixed values, and generating early warning information if the routing inspection data exceeds a threshold value.
Optionally, the inspection data includes inspection information of the direct-current system charger and the storage battery, inspection information of the direct-current power supply panel, characteristic data of the direct-current system charger, test data of the storage battery management unit, measurement data of internal resistance of the storage battery, check discharge test data of the storage battery, and measurement data of temperature of the storage battery.
Optionally, the control function setting includes setting of uniform and floating charge conversion parameters, and setting of fixed values of the charger operating parameters and the storage battery operating parameters.
Optionally, the protection and alarm fixed value includes a charger protection fixed value, a storage battery alarm fixed value, a dc bus alarm fixed value, and an insulation monitoring device alarm fixed value.
The invention has the beneficial effects that: according to the monitoring system provided by the invention, the patrol data of the direct-current power supply system can be input through the patrol information input module, the control function of the direct-current power supply system is set through the control function setting module, the protection and alarm setting value of the direct-current power supply system is set through the protection and alarm setting module, the patrol data is analyzed through the early warning information prompting module, and early warning information is generated when the patrol data exceeds a threshold value. The monitoring system of the direct-current power supply system established by the invention can improve the recording efficiency of the inspection data, can early warn the inspection data in time and is convenient for subsequent operation and maintenance.
Drawings
FIG. 1 is a structural framework diagram of an embodiment of the present invention;
FIG. 2 is a flow chart of a method according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
Referring to fig. 1, a monitoring system for a dc power supply system according to an embodiment of the present invention includes an inspection information input module, a control function setting module, a protection and alarm setting module, and an early warning information prompting module, where the inspection information input module is configured to input inspection data of the dc power supply system, the control function setting module is configured to set a control function of the dc power supply system, the protection and alarm setting module is configured to set a protection and alarm fixed value of the dc power supply system, and the early warning information prompting module is configured to analyze the inspection data according to the set protection and alarm fixed value, and generate early warning information if the inspection data exceeds a threshold value.
Optionally, the inspection data includes inspection information of the direct-current system charger and the storage battery, inspection information of the direct-current power supply panel, characteristic data of the direct-current system charger, test data of the storage battery management unit, measurement data of internal resistance of the storage battery, check discharge test data of the storage battery, and measurement data of temperature of the storage battery.
The direct current system charger and the storage battery inspection information are shown in table 1.
Table 1 existing dc system charger and battery inspection records:
the dc power panel inspection information is shown in table 2.
TABLE 2 existing DC system power supply panel inspection record
The characteristic data of the direct current system charger does not need to store and record historical data, and the module comprises 4 small functions: 1. and recording and managing the data of the voltage stabilizing function. 2. And recording and managing the flow stabilization function data. 3. And managing ripple factor data record. 4. And recording and managing the test data of the module current sharing unbalance degree. As shown in table 3.
TABLE 3 characteristic data record template for DC system charger
Battery management unit test data, as shown in table 4.
TABLE 4 DC SYSTEM BATTERY CELL TEST PATTERN PLATE
The internal resistance measurement data of the battery are shown in table 5.
TABLE 5 internal resistance template of accumulator
Battery comparative discharge test, as shown in table 6.
The battery temperature measurement data are shown in table 7.
TABLE 7 existing DC system power supply panel inspection record
Optionally, the control function setting includes setting of uniform and floating charge conversion parameters, and setting of fixed values of the charger operating parameters and the storage battery operating parameters. As shown in table 8.
Table 8 supervisory control unit-control function apparatus for dc power supply system
Optionally, the protection and alarm fixed value includes a charger protection fixed value, a storage battery alarm fixed value, a dc bus alarm fixed value, and an insulation monitoring device alarm fixed value. As shown in table 9.
TABLE 9 monitoring Unit for DC Power supply System-protection and alarm set value settings
Example two
Referring to fig. 2, an embodiment of the present invention provides a monitoring method for a dc power system, wherein the method includes: inputting inspection data of a direct current power supply system; setting a control function of the direct current power supply system; setting protection and alarm fixed values of a direct current power supply system; and analyzing the routing inspection data according to set protection and alarm fixed values, and generating early warning information if the routing inspection data exceeds a threshold value.
Optionally, the inspection data includes inspection information of the direct-current system charger and the storage battery, inspection information of the direct-current power supply panel, characteristic data of the direct-current system charger, test data of the storage battery management unit, measurement data of internal resistance of the storage battery, check discharge test data of the storage battery, and measurement data of temperature of the storage battery.
Optionally, the control function setting includes setting of uniform and floating charge conversion parameters, and setting of fixed values of the charger operating parameters and the storage battery operating parameters.
Optionally, the protection and alarm fixed value includes a charger protection fixed value, a storage battery alarm fixed value, a dc bus alarm fixed value, and an insulation monitoring device alarm fixed value.
Since the method described in the second embodiment of the present invention is a program method used for implementing the device in the first embodiment of the present invention, a person skilled in the art can understand the method based on the device described in the first embodiment of the present invention, and thus the description thereof is omitted.
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 present 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 (8)
1. A monitoring system for a dc power supply system, wherein the system comprises:
the inspection information input module is used for inputting inspection data of the direct-current power supply system;
the control function setting module is used for setting the control function of the direct-current power supply system;
the protection and alarm setting module is used for setting the protection and alarm fixed value of the direct-current power supply system;
and the early warning information prompting module is used for analyzing the routing inspection data according to set protection and warning fixed values, and generating early warning information if the routing inspection data exceeds a threshold value.
2. The direct current power supply operation and maintenance information management system according to claim 1, wherein the inspection data comprises direct current system charger and storage battery inspection information, direct current power supply screen inspection information, direct current system charger characteristic data, storage battery management unit test data, storage battery internal resistance measurement data, storage battery checking discharge test data and storage battery temperature measurement data.
3. The direct-current power supply operation and maintenance information management system according to claim 1, wherein the control function settings comprise constant and floating charge conversion parameters, fixed value settings of charger operating parameters and storage battery operating parameters.
4. The system according to claim 1, wherein the protection and alarm setting values include a charger protection setting value, a battery alarm setting value, a dc bus alarm setting value, and an insulation monitoring device alarm setting value.
5. A monitoring method for a dc power supply system, wherein the method comprises:
inputting inspection data of a direct current power supply system;
setting a control function of the direct current power supply system;
setting protection and alarm fixed values of a direct current power supply system;
and analyzing the routing inspection data according to set protection and alarm fixed values, and generating early warning information if the routing inspection data exceeds a threshold value.
6. The monitoring method for the direct current power supply system according to claim 5, wherein the inspection data includes direct current system charger and storage battery inspection information, direct current power supply screen inspection information, direct current system charger characteristic data, storage battery management unit test data, storage battery internal resistance measurement data, storage battery checking discharge test data, and storage battery temperature measurement data.
7. The monitoring method for the direct current power supply system according to claim 5, wherein the control function settings comprise constant value settings of a uniform and floating charge conversion parameter, a charger operating parameter and a storage battery operating parameter.
8. A monitoring method for DC power supply system according to claim 5, wherein said protection and alarm constant values include charger protection constant value, battery alarm constant value, DC bus alarm constant value and insulation monitoring device alarm constant value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290324.5A CN112467878A (en) | 2020-11-18 | 2020-11-18 | Monitoring system and monitoring method for direct-current power supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011290324.5A CN112467878A (en) | 2020-11-18 | 2020-11-18 | Monitoring system and monitoring method for direct-current power supply system |
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| CN112467878A true CN112467878A (en) | 2021-03-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069948A (en) * | 2016-11-28 | 2017-08-18 | 国网浙江省电力公司紧水滩水力发电厂 | The remote detection monitoring system and detection method of a kind of DC power system |
| CN109120064A (en) * | 2018-06-25 | 2019-01-01 | 国网山东省电力公司济南供电公司 | Transforming plant DC power-supply management system |
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- 2020-11-18 CN CN202011290324.5A patent/CN112467878A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069948A (en) * | 2016-11-28 | 2017-08-18 | 国网浙江省电力公司紧水滩水力发电厂 | The remote detection monitoring system and detection method of a kind of DC power system |
| CN109120064A (en) * | 2018-06-25 | 2019-01-01 | 国网山东省电力公司济南供电公司 | Transforming plant DC power-supply management system |
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Application publication date: 20210309 |