CN213210301U - Transformer substation direct current abnormity detection platform based on regulation and control system - Google Patents
Transformer substation direct current abnormity detection platform based on regulation and control system Download PDFInfo
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- CN213210301U CN213210301U CN202021131491.0U CN202021131491U CN213210301U CN 213210301 U CN213210301 U CN 213210301U CN 202021131491 U CN202021131491 U CN 202021131491U CN 213210301 U CN213210301 U CN 213210301U
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Abstract
本实用新型提供一种基于调控系统的变电站直流异常侦测平台，包括信息采集设备，与直流母线连接，用于采集所述直流母线的运行工况信息；监测设备，与所述直流母线连接，用于监测所述直流母线的实时有效值；预警中心，与所述监测设备连接；云端数据库，分别与所述信息采集设备和所述预警中心连接；所述直流母线包括若干条直流支路。本实用新型基于智能调控系统多维综合历史运行数据，采用大数据挖掘技术和故障关联分析法提取直流系统故障特征值，同时建立故障类型和遥测遥信信号关联模型，运用指数平滑预测算法建立直流故障实时判定与趋势预判模型，实现直流故障精准实时判断和潜在故障提前预警，提高了变电站直流信息监控能力和故障分析能力。
The utility model provides a direct current abnormality detection platform of a substation based on a control system, which comprises an information acquisition device, which is connected with a direct current bus, and is used for collecting the operating condition information of the direct current bus; and a monitoring device, which is connected with the direct current bus, It is used to monitor the real-time effective value of the DC bus; an early warning center is connected to the monitoring equipment; a cloud database is connected to the information collection equipment and the early warning center respectively; the DC bus includes several DC branches. The utility model is based on the multi-dimensional comprehensive historical operation data of the intelligent control system, adopts the big data mining technology and the fault correlation analysis method to extract the fault characteristic value of the direct current system, establishes the fault type and the telemetry and telesignal signal correlation model at the same time, and uses the exponential smoothing prediction algorithm to establish the direct current fault. The real-time judgment and trend prediction model realizes accurate real-time judgment of DC faults and early warning of potential faults, and improves the DC information monitoring and fault analysis capabilities of substations.
Description
Technical Field
The utility model relates to a direct current system technical field especially relates to a platform is listened to transformer substation's direct current anomaly based on regulation and control system.
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 the intelligent equipment data acquisition circuit, the remote measuring signal acquisition circuit, the remote signaling signal acquisition circuit and the remote control circuit respectively, and is accessed into a communication network through the 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 utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a platform is listened to transformer substation's direct current anomaly based on regulation and control system.
The utility model particularly relates to a platform is listened to transformer substation's direct current anomaly based on regulation and control system, include
The information acquisition equipment is connected with the direct current bus and used for acquiring the operating condition information of the direct current bus;
the monitoring equipment is connected with the direct current bus and used for monitoring the real-time effective value of the direct current bus;
the early warning center is connected with the monitoring equipment;
and the cloud database is respectively connected with the information acquisition equipment and the early warning center.
The direct current bus comprises a plurality of direct current branches;
and 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.
Further, the monitoring device is connected with the direct current branch; the early warning center is connected with the alarm.
In addition, the operation condition information acquired by the information acquisition equipment at regular time comprises a voltage value and a current value when the direct current bus operates.
Meanwhile, the monitoring equipment comprises a preset range value of normal operation of the direct current bus;
and when the real-time effective value monitored by the monitoring equipment is not within the preset range value, sending an alarm signal to the early warning center.
And the cloud database encapsulates the information of the alarm event of the early warning center, and carries out time point marking on the direct current bus operation condition information fed back by the information acquisition equipment.
In addition, the cloud database is connected with the information acquisition equipment and the early warning center through a 5G wireless communication network or a public network GPRS communication network.
And the mobile terminal is connected with the cloud database.
Furthermore, the mobile terminal is connected with the cloud database through a 5G wireless communication network or a public network GPRS communication network.
The utility model discloses has following technological effect: the utility model relates to a transformer substation direct current anomaly detection platform based on a regulation and control system, a transformer substation direct current system provides energy support for the normal operation of a transformer substation, and the direct current system breaks down to cause serious grid accidents such as override tripping; the utility model discloses based on the historical operating data is synthesized to intelligence regulation and control system multidimension, adopt big data mining technology and trouble correlation analysis method to draw direct current system fault eigenvalue, establish trouble type and telemetering measurement telesignalling signal correlation model simultaneously, utilize the smooth prediction algorithm of index to establish direct current trouble and judge in real time and trend prejudgement model, realize that the accurate real-time judgement of direct current trouble and latent fault early warning in advance, improved transformer substation's direct current information monitoring ability and fault analysis ability.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic diagram of the dc system of the transformer substation of the present invention;
fig. 2 is the utility model discloses direct current branch schematic diagram of direct current system of transformer substation.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "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 describing the embodiments of the present invention and simplifying the 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 embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted 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 embodiments of the present invention can be understood in specific cases by those skilled in the art.
In a specific embodiment, as shown in fig. 1, a transformer substation dc anomaly detection platform based on regulation and control system, includes
The information acquisition equipment is connected with the direct current bus and used for acquiring the operating condition information of the direct current bus;
the monitoring equipment is connected with the direct current bus and used for monitoring the real-time effective value of the direct current bus;
the early warning center is connected with the monitoring equipment;
and the cloud database is respectively connected with the information acquisition equipment and the early warning center.
The direct current bus comprises a plurality of direct current branches;
as shown in fig. 2, the dc branch is connected to a conventional load, a relay protector, an alarm, an emergency lighting device, and a battery pack, respectively.
Further, the monitoring device is connected with the direct current branch; the early warning center is connected with the alarm.
In addition, the operation condition information acquired by the information acquisition equipment at regular time comprises a voltage value and a current value when the direct current bus operates.
Particularly, the direct current way 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 monitoring equipment found alarm time, to early warning center sends alarm signal, early warning center through with the alarm is connected, realizes reporting to the police.
It should be noted that, when an alarm event occurs, the monitoring device sends an alarm signal to the early warning center,
the method comprises the steps that operation is achieved through an early warning center by an operator, furthermore, historical information of a direct current system of the transformer substation is stored in a cloud database, when operation state fluctuation which accords with a time interval before an alarm event is found, the cloud database marks operation condition information of the direct current bus sent back by the information acquisition equipment, and the time when the alarm event occurs is marked in the operation condition information of the direct current bus in a timestamp mode. And an operator directly calls related information through the cloud database, and 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 realized.
The early warning center directly receives the warning signal sent by the monitoring equipment, so that warning can be more timely, and meanwhile, the monitoring equipment and the information acquisition equipment are separately arranged, so that information interference is avoided, and the system performance is improved.
A transformer substation's direct current anomaly detection platform based on regulation and control system, through the relevant telemetering measurement of long-range transformer substation direct current system, the relevance characteristic of remote signalling data, conclude analysis direct current system abnormal trend, thereby can early warning direct current system is unusual and the trouble in advance, direct current system is unusual and the real-time or perception in advance of trouble, the accurate of full net direct current system running state is supported forcefully and 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 closed-loop management of evaluation finding the disappearance from the problem.
Meanwhile, the monitoring equipment comprises a preset range value of normal operation of the direct current bus;
and when the real-time effective value monitored by the monitoring equipment is not within the preset range value, sending an alarm signal to the early warning center.
And the cloud database encapsulates the information of the alarm event of the early warning center, and carries out time point marking on the direct current bus operation condition information fed back by the information acquisition equipment.
In addition, the cloud database is connected with the information acquisition equipment and the early warning center through a 5G wireless communication network or a public network GPRS communication network.
And the mobile terminal is connected with the cloud database.
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.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a transformer substation's direct current anomaly detection platform based on regulation and control system which characterized in that, transformer substation's direct current anomaly detection platform includes:
the information acquisition equipment is connected with the direct current bus and used for acquiring the operating condition information of the direct current bus;
the monitoring equipment is connected with the direct current bus and used for monitoring the real-time effective value of the direct current bus;
the early warning center is connected with the monitoring equipment;
the cloud database is respectively connected with the information acquisition equipment and the early warning center;
the direct current bus comprises a plurality of direct current branches, and the direct current branches are respectively connected with a conventional load, a relay protector, an alarm, an emergency lighting device and a storage battery pack;
the monitoring equipment is connected with the direct current branch, and the early warning center is connected with the alarm.
2. The transformer substation direct current abnormality detection platform based on the regulation and control system according to claim 1, characterized in that: the operation condition information acquired by the information acquisition equipment at regular time comprises a voltage value and a current value when the direct current bus operates.
3. The transformer substation direct current abnormality detection platform based on the regulation and control system according to claim 1, characterized in that:
the monitoring equipment comprises a preset range value of normal operation of the direct current bus;
and when the real-time effective value monitored by the monitoring equipment is not within the preset range value, sending an alarm signal to the early warning center.
4. The transformer substation direct current abnormality detection platform based on the regulation and control system according to claim 1, characterized in that: and the cloud database encapsulates the information of the alarm event of the early warning center, and carries out time point marking on the direct current bus operation condition information fed back by the information acquisition equipment.
5. The transformer substation direct current abnormality detection platform based on the regulation and control system according to any one of claims 1 to 4, characterized in that: the cloud database is connected with the information acquisition equipment and the early warning center through a 5G wireless communication network or a public network GPRS communication network.
6. The transformer substation direct current abnormality detection platform based on the regulation and control system according to claim 1, characterized in that: the system also comprises a mobile terminal connected with the cloud database.
7. The transformer substation direct current abnormality detection platform based on the regulation and control system according to claim 6, 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.
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| CN202021131491.0U CN213210301U (en) | 2020-06-17 | 2020-06-17 | Transformer substation direct current abnormity detection platform based on regulation and control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497267A (en) * | 2022-09-06 | 2022-12-20 | 江西小手软件技术有限公司 | Equipment early warning platform based on time sequence association rule |
| CN115561548A (en) * | 2022-09-27 | 2023-01-03 | 国网青海省电力公司西宁供电公司 | A Fault Isolation Method for Substation DC System |
| CN117318310A (en) * | 2023-11-28 | 2023-12-29 | 浙江隆业电气科技有限公司 | Remote unmanned intelligent monitoring system for explosion-proof power distribution cabinet |
| CN120009780A (en) * | 2025-04-18 | 2025-05-16 | 江西驴充充物联网科技有限公司 | A fault detection method and system for an integrated dual-gun DC charging pile |
-
2020
- 2020-06-17 CN CN202021131491.0U patent/CN213210301U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497267A (en) * | 2022-09-06 | 2022-12-20 | 江西小手软件技术有限公司 | Equipment early warning platform based on time sequence association rule |
| CN115561548A (en) * | 2022-09-27 | 2023-01-03 | 国网青海省电力公司西宁供电公司 | A Fault Isolation Method for Substation DC System |
| CN117318310A (en) * | 2023-11-28 | 2023-12-29 | 浙江隆业电气科技有限公司 | Remote unmanned intelligent monitoring system for explosion-proof power distribution cabinet |
| CN117318310B (en) * | 2023-11-28 | 2024-02-09 | 浙江隆业电气科技有限公司 | Remote unmanned intelligent monitoring system for explosion-proof power distribution cabinet |
| CN120009780A (en) * | 2025-04-18 | 2025-05-16 | 江西驴充充物联网科技有限公司 | A fault detection method and system for an integrated dual-gun DC charging pile |
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