CN212321818U - Early warning platform for direct current system of transformer substation - Google Patents
Early warning platform for direct current system of transformer substation Download PDFInfo
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- CN212321818U CN212321818U CN202020060595.0U CN202020060595U CN212321818U CN 212321818 U CN212321818 U CN 212321818U CN 202020060595 U CN202020060595 U CN 202020060595U CN 212321818 U CN212321818 U CN 212321818U
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Abstract
The utility model discloses a transformer substation direct current system early warning platform, which comprises information acquisition equipment, wherein the information acquisition equipment is respectively connected with a direct current bus and monitoring equipment and is used for acquiring the operation condition information of the direct current bus and the monitoring equipment; the direct current bus comprises a plurality of direct current branches; the monitoring equipment is connected with each direct current branch; the data processing module is connected with the information acquisition equipment and used for processing the data transmitted back by the information acquisition equipment; and the data processing module is respectively connected with the early warning center and the cloud database. A transformer substation's direct current system early warning platform through the relevance characteristic of the relevant telemetering measurement of long-range transformer substation direct current system, remote signalling data, sums up the unusual trend of analysis direct current system to can early warning direct current system in advance unusual and trouble, guide the direct current system unusual and the real-time or perception in advance of trouble, the accurate grasp of full net direct current system running state is supported forcefully, and the supplementary personnel on duty judge the decision-making.
Description
Technical Field
The utility model belongs to the technical field of the direct current system, specifically speaking relates to a direct current system early warning platform of transformer substation.
Background
In recent years, several power grid fault expansion accidents caused by faults of a direct current system of a transformer substation continuously occur in China, and the importance of the direct current system to the stable operation of the transformer substation is more and more concerned. From the engineering design perspective, how to realize the level difference coordination of the direct current protection electric appliance and ensure that the direct current power failure range expansion accident caused by the override trip does not occur is the most prominent and difficult problem to solve.
A direct-current power supply system of a transformer substation in the power system comprises a charging device, a voltage reduction device, a storage battery pack, a direct-current bus, direct-current power distribution and the like, and provides working direct-current power supply for equipment such as relay protection and automation devices, breaker operation equipment, communication equipment and the like in the transformer substation. In an electric power system, a direct current system supplies power to a control load and a power load, and is a basic guarantee for correct actions of relay protection, an automatic device, a circuit breaker and the like. Whether the transformer substation is normal or not directly influences the safe operation of the transformer substation. In the actual operation of a transformer substation, a direct current power supply system actually suffers from a lot of interference, the quality of a direct current system power supply is seriously influenced, the safe operation of a protection and automation device is threatened, and the safe operation of a power grid is greatly influenced. The abnormal direct current system can cause override tripping, the accident range is enlarged, the safe operation of a power grid is seriously influenced, and the remote monitoring of the abnormal direct current system of the transformer substation usually adopts an alarm signal and cannot achieve early warning.
Chinese patent with application number CN201320013704.3 discloses a substation equipment monitoring and early warning terminal, which comprises a circuit board, and a processor, a communication module, an alarm module, a display module, an intelligent equipment data acquisition circuit, a remote measurement signal acquisition circuit, a remote control circuit and a power module which are arranged on the circuit board; the processor is connected with the substation equipment running state monitoring device or the equipment running environment monitoring device through an intelligent equipment data acquisition circuit, a remote measuring signal acquisition circuit, a remote signaling signal acquisition circuit and a remote control circuit respectively, and is accessed into a communication network through a communication module to perform data interaction with an upper computer
Although the prior art provides the setting about the substation equipment monitoring and early warning terminal, the problem that the early warning of the direct current system is still delayed exists, and a worker cannot know the fault in advance.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides one kind and can overcome above-mentioned problem or solve the direct current system early warning platform of transformer substation of above-mentioned problem at least partially.
In order to solve the technical problem, the utility model adopts the following basic concept: a transformer substation direct current system early warning platform comprises
The information acquisition equipment is respectively connected with the direct current bus and the monitoring equipment and is used for acquiring the running condition information of the direct current bus and the monitoring equipment;
the direct current bus comprises a plurality of direct current branches;
the monitoring equipment is connected with each direct current branch;
the data processing module is connected with the information acquisition equipment and used for processing the data transmitted back by the information acquisition equipment;
and the data processing module is respectively connected with the early warning center and the cloud database.
The direct current branch is respectively connected with a conventional load, a relay protector, an alarm, an emergency lighting device and a storage battery pack;
the early warning center is connected with the alarm.
In addition, the information acquisition equipment regularly acquires the real-time effective values of the direct current bus and the operation condition of the monitoring equipment and transmits the real-time effective values to the data processing module.
Further, the information acquisition equipment acquires the voltage and the current of the direct current bus and the monitoring equipment at regular time.
Meanwhile, the data processing module comprises the direct current bus and a preset range value of normal operation condition of the monitoring equipment;
and the data processing module compares the preset range value with the real-time effective value and sends a comparison result to the early warning center and the cloud database.
Furthermore, the data processing module is connected with the information acquisition equipment through a 5G wireless communication network or a public network GPRS communication network.
And the cloud database is used for recording data information of the conventional direct current system.
In addition, the mobile terminal is connected with the information acquisition equipment and the cloud database and used for receiving data information sent by the information acquisition equipment and the cloud database.
Further, the mobile terminal is connected with the information acquisition device through a Zigbee wireless network.
Furthermore, the mobile terminal is connected with the cloud database through a 5G wireless communication network or a public network GPRS communication network.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has: a transformer substation's direct current system early warning platform, through the relevant telemetering measurement of long-range transformer substation's direct current system, the relevance characteristic of remote signalling data, conclude analysis direct current system abnormal trend to can early warning direct current system abnormity and trouble in advance, guide the direct current system abnormity and the real-time or perception in advance of trouble, the accurate of the full net direct current system running state of strong support is mastered, the personnel on duty of assistance judges the decision-making, realize that direct current bus voltage is unusual to be listened and the evaluation finds the closed loop management of disappearance evaluation from the problem.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a first schematic diagram of the principle of the dc system of the substation of the present invention;
fig. 2 is the second schematic diagram of the dc system principle of the utility model.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In a specific embodiment, as shown in fig. 1, the early warning platform for a dc system of a transformer substation of the present invention includes an information collecting device, which is respectively connected to a dc bus and a monitoring device, and is configured to collect operating condition information of the dc bus and the monitoring device; the direct current bus comprises a plurality of direct current branches; the monitoring equipment is connected with each direct current branch; the data processing module is connected with the information acquisition equipment and used for processing the data transmitted back by the information acquisition equipment; and the data processing module is respectively connected with the early warning center and the cloud database.
The monitoring equipment monitors the running state of a direct current bus and the running state of a direct current branch, when an alarm event occurs, the information acquisition equipment sends a signal to the data processing module, the data processing module sends an alarm signal to the early warning center, an operator realizes operation through the early warning center, further, the cloud database stores historical information of the direct current system of the transformer substation, when the running state fluctuation which meets a time interval before the alarm event is found, the data processing module calls the information of the cloud database and sends alarm information to the early warning center in advance, further, the cloud database also arranges the historical information of the direct current system of the transformer substation into a table, the table is sent to the early warning center through the data processing module regularly, and the operator can also directly call related information through the early warning center, through table analysis, the running state of the direct current system of the transformer substation is analyzed, judgment decision is made, and closed-loop management from problem discovery to defect elimination evaluation of direct current bus voltage abnormity detection and evaluation is achieved.
A transformer substation's direct current system early warning platform, through the relevant telemetering measurement of long-range transformer substation's direct current system, the relevance characteristic of remote signalling data, conclude analysis direct current system abnormal trend to can early warning direct current system abnormity and trouble in advance, guide the direct current system abnormity and the real-time or perception in advance of trouble, the accurate of the full net direct current system running state of strong support is mastered, the personnel on duty of assistance judges the decision-making, and then realize that direct current bus voltage is unusual to be listened and the evaluation finds the closed loop management of disappearance evaluation from the problem.
In a specific embodiment, as shown in fig. 1 to 2, the dc branch of the substation dc system early warning platform of the present invention is connected to a conventional load, a relay protector, an alarm, an emergency lighting device, and a battery pack, respectively; the early warning center is connected with the alarm. In addition, the information acquisition equipment regularly acquires the real-time effective values of the direct current bus and the operation condition of the monitoring equipment and transmits the real-time effective values to the data processing module. Further, the information acquisition equipment acquires the voltage and the current of the direct current bus and the monitoring equipment at regular time. Meanwhile, the data processing module comprises the direct current bus and a preset range value of normal operation condition of the monitoring equipment; and the data processing module compares the preset range value with the real-time effective value and sends a comparison result to the early warning center and the cloud database. Furthermore, the data processing module is connected with the information acquisition equipment through a 5G wireless communication network or a public network GPRS communication network. And the cloud database is used for recording data information of the conventional direct current system.
Particularly, the direct current branch road is through with conventional load, relay protector, alarm, emergency lighting device and storage battery to current and voltage variation through conventional load, relay protector, alarm, emergency lighting device and storage battery are gathered to information acquisition equipment, realize monitoring transformer substation's direct current system's load, and when early warning center discovers alarm signal, through with the alarm is connected, realize reporting to the police.
In a specific embodiment, as shown in fig. 1 to fig. 2, a dc system early warning platform for transformer substation still includes mobile terminal, with information acquisition equipment with the high in the clouds database is connected, is used for receiving information acquisition equipment with the data information that the high in the clouds database sent. Further, the mobile terminal is connected with the information acquisition device through a Zigbee wireless network. Furthermore, the mobile terminal is connected with the cloud database through a 5G wireless communication network or a public network GPRS communication network.
Particularly, mobile terminal's setting satisfies patrolling and examining personnel's remote monitoring and operation, mobile terminal can call the information of high in the clouds database, and with information acquisition equipment connects, when patrolling and examining a certain transformer substation, can know the operation conditions of this transformer substation, when discovering that operation conditions goes wrong, also can in time handle, very big promotion work efficiency.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a direct current system early warning platform of transformer substation which characterized in that: comprises that
The information acquisition equipment is respectively connected with the direct current bus and the monitoring equipment and is used for acquiring the running condition information of the direct current bus and the monitoring equipment;
the direct current bus comprises a plurality of direct current branches;
the monitoring equipment is connected with each direct current branch;
the data processing module is connected with the information acquisition equipment and used for processing the data transmitted back by the information acquisition equipment;
and the data processing module is respectively connected with the early warning center and the cloud database.
2. The transformer substation direct current system early warning platform of claim 1, characterized in that:
the direct current branch is respectively connected with a conventional load, a relay protector, an alarm, an emergency lighting device and a storage battery pack;
the early warning center is connected with the alarm.
3. The transformer substation direct current system early warning platform of claim 1, characterized in that: the information acquisition equipment acquires real-time effective values of the direct current bus and the operation condition of the monitoring equipment at regular time and transmits the real-time effective values to the data processing module.
4. The substation direct current system early warning platform of claim 3, characterized in that: and the information acquisition equipment acquires the voltage and the current of the direct current bus and the monitoring equipment at regular time.
5. The substation direct current system early warning platform of claim 3, characterized in that:
the data processing module comprises the direct current bus and a preset range value of normal operation condition of the monitoring equipment;
and the data processing module compares the preset range value with the real-time effective value and sends a comparison result to the early warning center and the cloud database.
6. The substation direct current system early warning platform of claim 5, characterized in that: the data processing module is connected with the information acquisition equipment through a 5G wireless communication network or a public network GPRS communication network.
7. The transformer substation direct current system early warning platform of claim 1, characterized in that: the cloud database is used for recording data information of the conventional direct current system.
8. The transformer substation direct current system early warning platform of claim 1, characterized in that: the mobile terminal is connected with the information acquisition equipment and the cloud database and used for receiving data information sent by the information acquisition equipment and the cloud database.
9. The substation direct current system early warning platform of claim 8, characterized in that: the mobile terminal is connected with the information acquisition equipment through a Zigbee wireless network.
10. The substation direct current system early warning platform of claim 8, characterized in that: and the mobile terminal is connected with the cloud database through a 5G wireless communication network or a public network GPRS communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020060595.0U CN212321818U (en) | 2020-01-13 | 2020-01-13 | Early warning platform for direct current system of transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020060595.0U CN212321818U (en) | 2020-01-13 | 2020-01-13 | Early warning platform for direct current system of transformer substation |
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| CN212321818U true CN212321818U (en) | 2021-01-08 |
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| CN202020060595.0U Active CN212321818U (en) | 2020-01-13 | 2020-01-13 | Early warning platform for direct current system of transformer substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172136A (en) * | 2021-11-26 | 2022-03-11 | 贵州电网有限责任公司 | Fault isolation system for preventing detection misoperation |
| CN114236257A (en) * | 2021-10-26 | 2022-03-25 | 保定天威保变电气股份有限公司 | Flexible-direct transformer signal monitoring system adopting 5G communication mode |
-
2020
- 2020-01-13 CN CN202020060595.0U patent/CN212321818U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236257A (en) * | 2021-10-26 | 2022-03-25 | 保定天威保变电气股份有限公司 | Flexible-direct transformer signal monitoring system adopting 5G communication mode |
| CN114172136A (en) * | 2021-11-26 | 2022-03-11 | 贵州电网有限责任公司 | Fault isolation system for preventing detection misoperation |
| CN114172136B (en) * | 2021-11-26 | 2023-10-24 | 贵州电网有限责任公司 | Fault isolation system for preventing detection misoperation |
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