CN111050090A - Auxiliary monitoring method for unattended transformer substation - Google Patents

Auxiliary monitoring method for unattended transformer substation Download PDF

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Publication number
CN111050090A
CN111050090A CN201911391082.6A CN201911391082A CN111050090A CN 111050090 A CN111050090 A CN 111050090A CN 201911391082 A CN201911391082 A CN 201911391082A CN 111050090 A CN111050090 A CN 111050090A
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China
Prior art keywords
monitoring
monitored object
thermal imaging
value
information
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CN201911391082.6A
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CN111050090B (en
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李昌
张溯宁
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SHANGHAI SUNRISE POWER TECHNOLOGY CO LTD
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SHANGHAI SUNRISE POWER TECHNOLOGY CO LTD
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Radiation Pyrometers (AREA)

Abstract

An auxiliary monitoring method for an unattended transformer substation relates to the technical field of power systems and solves the technical problems of improving monitoring response speed and monitoring efficiency. The method comprises the steps that monitoring objects in a transformer substation are divided into electrical equipment and non-electrical equipment; acquiring electrical acquisition information of monitoring objects of electrical equipment by using a transformer substation integrated automation system, and acquiring monitoring information of all monitoring objects by using a thermal imaging dual-spectrum monitoring camera; calculating the alarm value of each monitored object according to the electrical acquisition information and the monitoring information; and then according to the alarm value of each monitored object, the in-place time of each camera and the residual execution time of the current cruise task, calculating the scheduling value of each thermal imaging dual-spectrum monitoring camera to the monitored object, and then timely sending a scheduling instruction to the thermal imaging dual-spectrum monitoring camera with the maximum scheduling value larger than the set value. The method provided by the invention is suitable for the transformer substation in the remote area.

Description

Auxiliary monitoring method for unattended transformer substation
Technical Field
The invention relates to the technology of an electric power system, in particular to the technology of an auxiliary monitoring method of an unattended substation.
Background
Railways, mines and smelting substations are mostly in remote suburbs, and unattended operation can reduce personnel parking cost and patrol cost. The conventional unattended operation adopts the combined monitoring of security, moving loop, video and the like, the monitoring system has a complex structure, the information integration rate of the combined monitoring is low, and the defect of high investment cost also exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the auxiliary monitoring method for the unattended transformer substation, which has the advantages of high monitoring reaction speed and monitoring efficiency and low cost.
In order to solve the technical problem, the invention provides an auxiliary monitoring method for an unattended substation, which is characterized by comprising the following specific steps of:
1) setting a monitoring object in a transformer substation, defining the monitoring object of an electrical device class as an A-class object, and defining a monitoring object of a non-electrical device class as a B-class object;
2) setting an alarm value with an initial value of 0 for each monitored object, setting at least one piece of monitoring information for each monitored object, and setting at least one piece of electrical acquisition information for each A-type object;
3) a plurality of thermal imaging dual-spectrum monitoring cameras capable of sensing temperature and illumination intensity are arranged in a transformer substation, at least one monitoring object is selected for each thermal imaging dual-spectrum monitoring camera, and each monitoring object can be simultaneously selected by the plurality of thermal imaging dual-spectrum monitoring cameras;
4) acquiring electrical acquisition information of each class A object through a transformer substation integrated automation system, and acquiring monitoring information of each monitored object by using each thermal imaging dual-spectrum monitoring camera;
the monitoring information acquisition method of the monitored object comprises the following steps: shooting an image of a monitored object by using a thermal imaging dual-spectrum monitoring camera, analyzing the shot image by using an image analysis method, and acquiring monitoring information of the monitored object through image analysis;
5) for each collected electrical collection information, if the collection value of the electrical collection information is out of a predefined normal range, increasing the alarm value of the class-A object to which the electrical collection information belongs by 1;
for each monitoring information monitored by each thermal imaging double-spectrum monitoring camera, if the monitoring value of the monitoring information is out of a predefined normal range, increasing the alarm value of the monitored object to which the monitoring information belongs by 1;
6) for each monitored object with the alarm value larger than 0, calculating the scheduling value of each thermal imaging double-spectrum monitoring camera capable of monitoring the monitored object to the monitored object, wherein the calculation formula is as follows:
Fi,g＝(1+ln(Dg+1))×60/(Ti,g+Mi)
in the formula, Fi,gTo monitor the monitored object PgThe ith thermal imaging double spectrum monitoring camera monitors the object PgScheduling value of PgFor the g-th monitored object with alarm value greater than 0, DgFor monitoring object PgAn alarm value of (d);
in the formula, Ti,gTo monitor the monitored object PgThe ith thermal imaging double-spectrum monitoring camera moves from the preamble camera position to the monitored object PgThe required in-place time of the camera position;
in the formula, MiTo monitor the monitored object PgThe residual execution time of the current cruise task of the ith thermal imaging double-spectrum monitoring camera;
7) and for each thermal imaging dual-spectrum monitoring camera, selecting a maximum scheduling value from scheduling values of each monitored object by the thermal imaging dual-spectrum monitoring camera, and if the selected maximum scheduling value is greater than 0.0001, sending a scheduling instruction for shooting the monitored object to which the maximum scheduling value belongs to the thermal imaging dual-spectrum monitoring camera.
Further, the monitoring information of the monitored object includes: the maximum temperature and the average temperature measured at the monitored object, the illumination intensity at the monitored object, whether foreign bodies exist at the monitored object, whether living bodies invade at the monitored object and whether living bodies enter the monitored object;
the electrical acquisition information of the class-A object comprises real-time demand value, active power, reactive power and current working temperature of the class-A object, three-phase voltage, three-phase current, three-phase overcurrent signal, three-line voltage out-of-limit signal, three-phase current harmonic signal and three-phase voltage harmonic value of the class-A object, and power grid frequency of a power grid to which the class-A object is connected.
The auxiliary monitoring method for the unattended transformer substation provided by the invention monitors the monitored object in the transformer substation by utilizing the monitoring information monitored by the thermal imaging dual-spectrum monitoring camera and the collected electrical acquisition information, and then searches for the optimal camera to execute the monitoring task according to the remaining time of the camera for executing the previous task and the in-place time for executing the task, so that the monitoring reaction speed and the monitoring efficiency can be improved, the realization cost is low, and the safety is high.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the following specific embodiments, but the present invention is not limited thereto, and all similar structures and similar variations thereof adopting the present invention should be included in the protection scope of the present invention, wherein the pause numbers in the present invention all represent the relation of the sum, and the english letters in the present invention are distinguished by the case.
The embodiment of the invention provides an auxiliary monitoring method for an unattended substation, which is characterized by comprising the following specific steps:
1) setting a monitoring object in a transformer substation, defining the monitoring object of an electrical device class as an A-class object, and defining a monitoring object of a non-electrical device class as a B-class object;
the class B objects comprise strange monitored areas such as transformer substation gates, transformer substation indoor corridors and other non-electrical equipment needing monitoring;
2) setting an alarm value with an initial value of 0 for each monitored object, setting at least one piece of monitoring information for each monitored object, and setting at least one piece of electrical acquisition information for each A-type object;
the monitoring information of the monitored object includes: the maximum temperature and the average temperature measured at the monitored object, the illumination intensity at the monitored object, whether foreign bodies exist at the monitored object, whether living bodies invade at the monitored object and whether living bodies enter the monitored object;
the electrical acquisition information of the class-A object comprises real-time demand values, active power, reactive power and current working temperature of the class-A object, three-phase voltage, three-phase current, three-phase overcurrent signals, three-line voltage out-of-limit signals, three-phase current harmonic signals and three-phase voltage harmonic values of the class-A object, and the grid frequency of a grid to which the class-A object is connected;
3) a plurality of thermal imaging dual-spectrum monitoring cameras capable of sensing temperature and illumination intensity are arranged in a transformer substation, at least one monitoring object is selected for each thermal imaging dual-spectrum monitoring camera, and each monitoring object can be simultaneously selected by the plurality of thermal imaging dual-spectrum monitoring cameras;
4) acquiring electrical acquisition information of each class A object through a transformer substation integrated automation system, and acquiring monitoring information of each monitored object by using each thermal imaging dual-spectrum monitoring camera; the transformer substation integrated automation system is the prior art and is widely applied to a power system at present;
the monitoring information acquisition method of the monitored object comprises the following steps: shooting an image of a monitored object by using a thermal imaging dual-spectrum monitoring camera, analyzing the shot image by using an image analysis method (the image analysis method is the prior art), and acquiring monitoring information of the monitored object through image analysis;
5) for each collected electrical collection information, if the collection value of the electrical collection information is out of a predefined normal range, increasing the alarm value of the class-A object to which the electrical collection information belongs by 1;
for each monitoring information monitored by each thermal imaging double-spectrum monitoring camera, if the monitoring value of the monitoring information is out of a predefined normal range, increasing the alarm value of the monitored object to which the monitoring information belongs by 1;
6) for each monitored object with the alarm value larger than 0, calculating the scheduling value of each thermal imaging double-spectrum monitoring camera capable of monitoring the monitored object to the monitored object, wherein the calculation formula is as follows:
Fi,g＝(1+ln(Dg+1))×60/(Ti,g+Mi)
in the formula, Fi,gTo monitor the monitored object PgThe ith thermal imaging double spectrum monitoring camera monitors the object PgScheduling value of PgFor the g-th monitored object with alarm value greater than 0, DgFor monitoring object PgAlarm value of 0. ltoreq.DgLess than or equal to 29, and ln () is a natural logarithm;
in the formula, Ti,gTo monitor the monitored object PgThe ith thermal imaging double-spectrum monitoring camera moves from the preamble camera position to the monitored object PgThe required in-place time of the camera positions (the in-place time comprises the time required by adjusting the shooting parameters), the in-place time required by each thermal imaging dual-spectrum monitoring camera to move from one camera position to another camera position is preset manually, and if the thermal imaging dual-spectrum monitoring cameras are moving from one camera position to another camera position, the camera position to which the thermal imaging dual-spectrum monitoring cameras are about to arrive is regarded as a preorder camera position;
in the formula, MiTo monitor the monitored object PgThe residual execution time of the current cruise task of the ith thermal imaging dual-spectrum monitoring camera is as follows: the time spent by the thermal imaging double-spectrum monitoring camera for completing the monitoring of the current monitored object comprises the time spent in the camera position of the current monitored object and the in-place time spent in moving from the camera position of the current monitored object to the camera position of the next target monitored object;
7) and for each thermal imaging dual-spectrum monitoring camera, selecting a maximum scheduling value from scheduling values of each monitored object by the thermal imaging dual-spectrum monitoring camera, and if the selected maximum scheduling value is greater than 0.0001, sending a scheduling instruction for shooting the monitored object to which the maximum scheduling value belongs to the thermal imaging dual-spectrum monitoring camera.
In the embodiment of the invention, the thermal imaging dual-spectrum monitoring camera is the prior art, and particularly adopts a camera which is produced by Haekwev Inc. and has the model number of DS-2TD41 4136T-9, the camera is provided with a visible light machine core and an infrared light machine core, supports temperature measurement, area living body invasion, border crossing and entering/leaving area detection and identification, can realize the many-to-many monitoring relation of the thermal imaging dual-spectrum monitoring camera to a monitored object, and the more the number of the thermal imaging dual-spectrum monitoring cameras is, the more accurate the monitoring information of the monitored object is.

Claims (2)

1. An auxiliary monitoring method for an unattended transformer substation is characterized by comprising the following specific steps:
1) setting a monitoring object in a transformer substation, defining the monitoring object of an electrical device class as an A-class object, and defining a monitoring object of a non-electrical device class as a B-class object;
2) setting an alarm value with an initial value of 0 for each monitored object, setting at least one piece of monitoring information for each monitored object, and setting at least one piece of electrical acquisition information for each A-type object;
3) a plurality of thermal imaging dual-spectrum monitoring cameras capable of sensing temperature and illumination intensity are arranged in a transformer substation, at least one monitoring object is selected for each thermal imaging dual-spectrum monitoring camera, and each monitoring object can be simultaneously selected by the plurality of thermal imaging dual-spectrum monitoring cameras;
4) acquiring electrical acquisition information of each class A object through a transformer substation integrated automation system, and acquiring monitoring information of each monitored object by using each thermal imaging dual-spectrum monitoring camera;
the monitoring information acquisition method of the monitored object comprises the following steps: shooting an image of a monitored object by using a thermal imaging dual-spectrum monitoring camera, analyzing the shot image by using an image analysis method, and acquiring monitoring information of the monitored object through image analysis;
5) for each collected electrical collection information, if the collection value of the electrical collection information is out of a predefined normal range, increasing the alarm value of the class-A object to which the electrical collection information belongs by 1;
for each monitoring information monitored by each thermal imaging double-spectrum monitoring camera, if the monitoring value of the monitoring information is out of a predefined normal range, increasing the alarm value of the monitored object to which the monitoring information belongs by 1;
6) for each monitored object with the alarm value larger than 0, calculating the scheduling value of each thermal imaging double-spectrum monitoring camera capable of monitoring the monitored object to the monitored object, wherein the calculation formula is as follows:
Fi,g＝(1+ln(Dg+1))×60/(Ti,g+Mi)
in the formula, Fi,gTo monitor the monitored object PgThe ith thermal imaging double spectrum monitoring camera monitors the object PgScheduling value of PgFor the g-th monitored object with alarm value greater than 0, DgFor monitoring object PgAn alarm value of (d);
in the formula, Ti,gTo monitor the monitored object PgThe ith thermal imaging double-spectrum monitoring camera moves from the preamble camera position to the monitored object PgThe required in-place time of the camera position;
in the formula, MiTo monitor the monitored object PgThe residual execution time of the current cruise task of the ith thermal imaging double-spectrum monitoring camera;
7) and for each thermal imaging dual-spectrum monitoring camera, selecting a maximum scheduling value from scheduling values of each monitored object by the thermal imaging dual-spectrum monitoring camera, and if the selected maximum scheduling value is greater than 0.0001, sending a scheduling instruction for shooting the monitored object to which the maximum scheduling value belongs to the thermal imaging dual-spectrum monitoring camera.
2. The unattended substation auxiliary monitoring method according to claim 1, characterized in that:
the monitoring information of the monitored object includes: the maximum temperature and the average temperature measured at the monitored object, the illumination intensity at the monitored object, whether foreign bodies exist at the monitored object, whether living bodies invade at the monitored object and whether living bodies enter the monitored object;
the electrical acquisition information of the class-A object comprises real-time demand value, active power, reactive power and current working temperature of the class-A object, three-phase voltage, three-phase current, three-phase overcurrent signal, three-line voltage out-of-limit signal, three-phase current harmonic signal and three-phase voltage harmonic value of the class-A object, and power grid frequency of a power grid to which the class-A object is connected.
CN201911391082.6A 2019-12-30 2019-12-30 Auxiliary monitoring method for unattended transformer substation Active CN111050090B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113472076A (en) * 2021-07-02 2021-10-01 上海申瑞继保电气有限公司 Dispatching method for monitoring cameras of railway traction substation

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Publication number Priority date Publication date Assignee Title
CN205428100U (en) * 2015-12-30 2016-08-03 江苏穿越金点信息科技有限公司 Intelligent alarm system of regional invasion monitoring of bus driver's cabin
CN108933889A (en) * 2017-05-24 2018-12-04 田飞 A kind of control method of video camera posture
CN109656173A (en) * 2018-12-25 2019-04-19 北京太格时代自动化***设备有限公司 Rail traction substation auxiliary monitoring system
CN110139069A (en) * 2019-04-04 2019-08-16 郑州轻大慧联光电研究院有限公司 The full-time tracking thermal imaging thermometric of substation monitors system
CN110491066A (en) * 2019-08-21 2019-11-22 深圳云感物联网科技有限公司 Forest fire protection monitoring and warning system based on infrared thermal imaging

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205428100U (en) * 2015-12-30 2016-08-03 江苏穿越金点信息科技有限公司 Intelligent alarm system of regional invasion monitoring of bus driver's cabin
CN108933889A (en) * 2017-05-24 2018-12-04 田飞 A kind of control method of video camera posture
CN109656173A (en) * 2018-12-25 2019-04-19 北京太格时代自动化***设备有限公司 Rail traction substation auxiliary monitoring system
CN110139069A (en) * 2019-04-04 2019-08-16 郑州轻大慧联光电研究院有限公司 The full-time tracking thermal imaging thermometric of substation monitors system
CN110491066A (en) * 2019-08-21 2019-11-22 深圳云感物联网科技有限公司 Forest fire protection monitoring and warning system based on infrared thermal imaging

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113472076A (en) * 2021-07-02 2021-10-01 上海申瑞继保电气有限公司 Dispatching method for monitoring cameras of railway traction substation
CN113472076B (en) * 2021-07-02 2023-12-19 上海申瑞继保电气有限公司 Dispatching method for monitoring cameras of railway traction substation

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