CN116760173A - Power consumption monitoring system for high-voltage user of power system - Google Patents
Power consumption monitoring system for high-voltage user of power system Download PDFInfo
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- CN116760173A CN116760173A CN202310437039.9A CN202310437039A CN116760173A CN 116760173 A CN116760173 A CN 116760173A CN 202310437039 A CN202310437039 A CN 202310437039A CN 116760173 A CN116760173 A CN 116760173A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 74
- 230000005611 electricity Effects 0.000 claims abstract description 71
- 230000002159 abnormal effect Effects 0.000 claims abstract description 53
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000010365 information processing Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001769 paralizing effect Effects 0.000 description 1
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
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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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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- 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a power consumption monitoring system for a high-voltage user of a power system, which comprises the following components: the system comprises an electricity consumption monitoring terminal, a field information acquisition subsystem and a monitoring host computer positioned in the main control; the power consumption monitoring terminal is arranged at the inlet end of the high-voltage user side transformer, the monitoring host is in communication connection with the power consumption monitoring terminal to acquire power consumption information of the high-voltage user, the power consumption information is compared with the main meter power of the high-voltage user, and whether the high-voltage user has abnormal power consumption is judged; the monitoring host is in communication connection with the field information acquisition subsystem to acquire the running state information of the high-voltage user electric equipment, compares the running state information with the standard running state information and judges whether the high-voltage user electric equipment has abnormal running or not. The invention can monitor the electricity consumption of the high-voltage user and the running state of the equipment on line, timely power off the high-voltage user with potential safety hazard, and early warn the staff of the master control room, thereby reducing the occurrence of electricity safety accidents.
Description
Technical Field
The invention relates to the technical field of power consumption supervision, in particular to a power consumption supervision system for a high-voltage user of a power system.
Background
The high-voltage power user group occupies a certain proportion among the power utilization users, and because the high-voltage power utilization users and the common power utilization users have differences, the safety problem is to be really grasped in the process of carrying out power utilization safety check work, effective countermeasures can be taken to reduce the safety accidents, and the life and property safety of people is ensured. In the process of carrying out high-voltage power user safety inspection, the actual condition of high-voltage power user electricity consumption is analyzed, the electricity consumption inspection work can be effectively carried out, and the high-voltage power user electricity consumption is ensured to have a safe and good environment.
The high-voltage power user electricity utilization accident occurs to a great extent due to the paralytic significance of the user and lack of safety consciousness, at present, the high-voltage user is generally supervised by adopting a manual checking mode, electricity utilization safety checking work is regularly carried out on the high-voltage user by a power supply company, the health condition of the high-voltage user line and electric equipment is checked, various potential safety hazards found in the checking are aimed at, hidden danger points in the electricity utilization process are informed, the high-voltage user is supervised and corrected, and the stable and safe electricity utilization is ensured.
The manual inspection mode is low in efficiency, needs to consume a large amount of manpower, is poor in timeliness, and cannot completely avoid the occurrence of electricity utilization accidents, so that the electricity utilization process of a high-voltage user is required to be monitored on line in real time, the electricity utilization accidents are prevented, and the electricity utilization safety of the high-voltage user is ensured.
Disclosure of Invention
In order to solve the problems that in the prior art, a manual inspection mode is adopted for power consumption supervision of a high-voltage user, a large amount of labor is consumed, and timeliness is poor, the invention provides a power system high-voltage user power consumption supervision system, which comprises: the system comprises an electricity consumption monitoring terminal, a field information acquisition subsystem and a monitoring host computer positioned in the main control;
the power consumption monitoring terminal is arranged at the inlet end of the high-voltage user side transformer;
the monitoring host is in communication connection with the electricity consumption monitoring terminal to acquire electricity consumption information of the high-voltage user, compares the electricity consumption information with the main electricity consumption of the high-voltage user, and judges whether the high-voltage user has abnormal electricity consumption;
the monitoring host is also in communication connection with the field information acquisition subsystem to acquire the running state information of the high-voltage user electric equipment, compares the running state information with the standard running state information and judges whether the high-voltage user electric equipment has abnormal running.
Preferably, the monitoring host includes: the system comprises an analysis unit, a decision unit and an early warning unit;
the analysis unit is used for analyzing the power consumption information of the high-voltage user and the running state information of the electric equipment of the high-voltage user, judging whether the power consumption information of the high-voltage user is abnormal or not, and judging whether the running state of the electric equipment of the high-voltage user is abnormal or not;
the decision unit is connected with the analysis unit and is used for powering off the high-voltage user when the analysis unit judges that the electricity consumption information of the high-voltage user is abnormal or the running condition of the electric equipment of the high-voltage user is abnormal;
the early warning unit is connected with the analysis unit and is used for giving an alarm when the analysis unit judges that the electricity consumption information of the high-voltage user is abnormal or the operation condition of the electric equipment of the high-voltage user is abnormal.
Preferably, when detecting whether the electricity consumption information is abnormal or not, the monitoring host firstly detects the electricity consumption information of the high-voltage user in a preset time period on the same day, compares the electricity consumption information with a set reference electricity consumption to calculate a difference value, compares the difference value with a set first preset threshold value, and judges that the electricity consumption on the same day is abnormal when the difference value is larger than the first preset threshold value;
and when the number of continuous power consumption abnormal days exceeds a second preset threshold value, correcting the reference power consumption to be an average value of power consumption parameters of a preset period of each day in the number of continuous power consumption abnormal days.
Preferably, the electricity consumption monitoring terminal includes: the system comprises a high-voltage current transformer, a high-voltage transformer, a data acquisition module and a data transmission module;
the data acquisition module is respectively connected with the high-voltage transformer and the high-voltage current transformer, acquires voltage information and current information of the inlet wire end of the high-voltage user side transformer, and calculates electricity consumption information of the high-voltage user according to the voltage information and the current information;
the data transmitting module is connected with the data acquisition module, and transmits the electricity consumption information calculated by the data acquisition module to the monitoring host, and the monitoring host compares the electricity consumption information with the main electricity consumption of the high-voltage user to judge whether the high-voltage user has abnormal electricity consumption.
Preferably, the field information acquisition subsystem comprises: an image information acquisition network, a temperature information acquisition network and a sound information acquisition network;
the running state information of the high-voltage user electric equipment comprises: image information, ambient temperature information, and sound information.
Preferably, the image information acquisition network comprises: an image acquisition module and an image information processing device;
the image acquisition module is arranged in the area where the high-voltage user electric equipment is located, and the image information processing device is arranged in the main control room;
the image acquisition module comprises an image acquisition device and a data exchange unit;
the image information processing device is connected with the image acquisition device through the data exchange unit, acquires an image, and processes the image to obtain image information;
the image information processing device is also connected with the monitoring host to send the image information to the monitoring host, the monitoring host processes the image information and judges whether the image information of the high-voltage user electric equipment is abnormal or not by comparing the image information with the standard image information.
Preferably, the temperature information acquisition network comprises: a temperature acquisition module and a temperature concentrator;
the temperature acquisition module is arranged in the area where the high-voltage user electric equipment is located, and the temperature concentrator is arranged in the main control room;
the monitoring host is connected with the temperature acquisition module through the temperature concentrator, acquires the environmental temperature information of the high-voltage user electric equipment, compares the environmental temperature information with the standard temperature information, and judges whether the temperature information of the high-voltage user electric equipment is abnormal or not.
Preferably, the sound information collection network includes: a sound collection module and a sound concentrator;
the sound collecting module is arranged in the area where the high-voltage user electric equipment is located, and the sound concentrator is arranged in the main control room;
the monitoring host is connected with the sound collecting module through the sound concentrator, acquires sound information of the high-voltage user electric equipment, compares the sound information with standard sound information, and judges whether the sound information of the high-voltage user electric equipment is abnormal or not.
Preferably, the high-voltage consumer comprises: the device comprises a transformer, a circuit breaker, a transformer, a metering electric energy meter, a pole switch, a drop-out fuse, an isolation disconnecting link, a power cable, a capacitor, a relay protection device, an automatic device, a locking device, an operating power supply, a used transformer, a self-contained generator, a reactor, an arc suppression coil, a fuse, a lightning arrester, a lightning rod, a grounding grid and a high-voltage motor.
Preferably, the monitoring host is respectively connected with the indication dial of the high-voltage user and the relay protection device, and alarms are given when the data of the indication dial of the high-voltage user is abnormal or the relay protection device acts.
The invention has the advantages that the power consumption of the high-voltage power utilization user and the running state of equipment can be monitored on line, the power of the high-voltage user with potential safety hazard can be timely cut off, the working personnel of the master control room can be warned, and the power utilization safety accident of the high-voltage user is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a power system high voltage consumer power consumption monitoring system;
FIG. 2 is a schematic diagram of a monitoring host;
FIG. 3 is a schematic diagram of an electricity consumption monitoring terminal;
FIG. 4 is a schematic diagram of a field information acquisition subsystem;
marked in the figure as: the system comprises a 1-electricity consumption monitoring terminal, a 2-field information acquisition subsystem, a 3-monitoring host, a 4-analysis unit, a 5-decision unit, a 6-early warning unit, a 7-high voltage current transformer, an 8-high voltage transformer, a 9-data acquisition module, a 10-data transmission module, an 11-image information acquisition network, a 12-temperature information acquisition network, a 13-sound information acquisition network, a 14-image acquisition module, a 15-image information processing device, a 16-image acquisition device, a 17-data exchange unit, an 18-temperature acquisition module, a 19-temperature concentrator, a 20-sound acquisition module and a 21-sound concentrator.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the invention are intended to be within the scope of the patent protection.
As shown in fig. 1-4, the present invention provides a power system high voltage consumer electricity consumption monitoring system, comprising: the system comprises an electricity consumption monitoring terminal 1, a field information acquisition subsystem 2 and a monitoring host 3 positioned at a main control.
The electricity consumption monitoring terminal 1 is arranged at the inlet end of the high-voltage user side transformer.
The monitoring host 3 is in communication connection with the electricity consumption monitoring terminal 1 to acquire electricity consumption information of the high-voltage user, compares the electricity consumption information with the main electricity consumption of the high-voltage user, and judges whether the high-voltage user has abnormal electricity consumption.
In the present embodiment, the electricity consumption monitoring terminal 1 includes: the system comprises a high-voltage current transformer 7, a high-voltage transformer 8, a data acquisition module 9 and a data transmission module 10.
The data acquisition module 9 is respectively connected with the high-voltage transformer 8 and the high-voltage current transformer 7, acquires voltage information and current information of the inlet wire end of the high-voltage user side transformer, and calculates electricity consumption information of the high-voltage user according to the voltage information and the current information.
The data transmitting module 10 is connected with the data collecting module 9, and transmits the electricity consumption information calculated by the data collecting module 9 to the monitoring host 3, and the monitoring host 3 compares the electricity consumption information with the main electricity consumption of the high-voltage user to judge whether the high-voltage user has abnormal electricity consumption.
In this embodiment, when the monitoring host 3 detects whether the electricity consumption information is abnormal, it first detects the electricity consumption information of the high-voltage user in the preset time period of the current day, compares the detected electricity consumption information with the preset reference electricity consumption to calculate a difference value, compares the difference value with a preset first preset threshold value, and determines that the current day has abnormal electricity consumption when the difference value is greater than the first preset threshold value; and when the number of continuous power consumption abnormal days exceeds a second preset threshold value, correcting the reference power consumption to be an average value of power consumption parameters of a preset period of each day in the number of continuous power consumption abnormal days.
The monitoring host 3 is also in communication connection with the field information acquisition subsystem 2 to acquire the running state information of the high-voltage user electric equipment, and compares the running state information with the standard running state information to judge whether the high-voltage user electric equipment has abnormal running.
In this embodiment, the field information collecting subsystem 2 includes an image information collecting network 11, a temperature information collecting network 12 and a sound information collecting network 13, and the operation state information of the high-voltage user electric equipment includes image information, environmental temperature information and sound information.
Wherein the image information acquisition network 11 includes: the system comprises an image acquisition module 14 and an image information processing device 15, wherein the image acquisition module 14 is arranged in an area where high-voltage user electric equipment is located, each image acquisition module 14 is endowed with a unique ID, and the image information processing device 15 is arranged in a main control room; the image acquisition module 14 may be communicatively connected to the image information processing apparatus 15 by a wired manner or a wireless manner, wherein the wireless manner may employ a ZigBee communication manner, a WiFi communication manner, or an NB-IoT communication manner.
Wherein, above-mentioned high voltage user consumer includes: the device comprises a transformer, a circuit breaker, a transformer, a metering electric energy meter, a pole switch, a drop-out fuse, an isolation disconnecting link, a power cable, a capacitor, a relay protection device, an automatic device, a locking device, an operating power supply, a used transformer, a self-contained generator, a reactor, an arc suppression coil, a fuse, a lightning arrester, a lightning rod, a grounding grid and a high-voltage motor.
In the present embodiment, the image acquisition module 14 includes an image acquisition device 16 and a data exchange unit 17, wherein the image acquisition device 16 may select an industrial camera.
The image information processing device 15 is connected to the image acquisition device 16 through the data exchange unit 17, acquires an image, and processes the image to obtain image information.
The image information processing device 15 is further connected with the monitoring host 3 to send image information to the monitoring host 3, the monitoring host 3 processes the image information, and whether the image information of the high-voltage user electric equipment is abnormal or not is judged by comparing the image information with standard image information.
In the present embodiment, the temperature information collection network 12 includes: a temperature acquisition module 18 and a temperature concentrator 19.
The temperature acquisition module 18 is installed in the area where the high-voltage consumer electric equipment is located, the temperature concentrator 19 is installed in the main control room, and the temperature acquisition module 18 can be in communication connection with the temperature concentrator 19 in a wired mode or a wireless mode, wherein the wireless mode can adopt a ZigBee communication mode, a WiFi communication mode or an NB-IoT communication mode.
The monitoring host 3 is connected with the temperature acquisition module 18 through the temperature concentrator 19, acquires the environmental temperature information of the high-voltage user electric equipment, compares the environmental temperature information with the standard temperature information, and judges whether the temperature information of the high-voltage user electric equipment is abnormal or not.
In the present embodiment, the sound information collection network 13 includes: the sound collection module 20 and the sound concentrator 21.
The sound collection module 20 is arranged in the area where the high-voltage user electric equipment is located, and the sound concentrator 21 is arranged in the main control room; the sound collection module 20 may be communicatively connected to the sound concentrator 21 by wired means or wireless means, which may employ ZigBee communication means, wiFi communication means or NB-IoT communication means.
The monitoring host 3 is connected with the sound collection module 20 through the sound concentrator 21, acquires the sound information of the high-voltage user electric equipment, compares the sound information with the standard sound information, and judges whether the sound information of the high-voltage user electric equipment is abnormal or not.
In the present embodiment, the monitoring host 3 includes: an analysis unit 4, a decision unit 5 and an early warning unit 6.
The analysis unit 4 is configured to analyze the power consumption information of the high-voltage user and the operation state information of the electric equipment of the high-voltage user, determine whether the power consumption information of the high-voltage user is abnormal, and determine whether the operation state of the electric equipment of the high-voltage user is abnormal.
The decision unit 5 is connected with the analysis unit 4, and the decision unit 5 is used for powering off the high-voltage user when the analysis unit 4 judges that the power consumption information of the high-voltage user is abnormal or the running condition of the electric equipment of the high-voltage user is abnormal.
The early warning unit 6 is connected with the analysis unit 4, and the early warning unit 6 is used for giving an alarm when the analysis unit 4 judges that the power consumption information of the high-voltage user is abnormal or the operation condition of the electric equipment of the high-voltage user is abnormal.
In this embodiment, the monitoring host 3 is further connected to the indication dial of the high-voltage user and the relay protection device, respectively, and alarms when the data of the indication dial of the high-voltage user is abnormal or the relay protection device acts.
According to the embodiment, the power consumption of the high-voltage power utilization user, the image information, the temperature information and the sound information of the high-voltage user equipment can be monitored on line, the high-voltage user with potential safety hazards can be powered off in time, the master control room staff is warned, and the power utilization safety accidents of the high-voltage user are reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A power system high voltage consumer power consumption monitoring system, comprising: the system comprises an electricity consumption monitoring terminal (1), a field information acquisition subsystem (2) and a monitoring host (3) positioned at a main control;
the power consumption monitoring terminal (1) is arranged at the inlet end of the high-voltage user side transformer;
the monitoring host (3) is in communication connection with the electricity consumption monitoring terminal (1) to acquire electricity consumption information of the high-voltage user, compares the electricity consumption information with the main electricity consumption of the high-voltage user, and judges whether the high-voltage user has abnormal electricity consumption;
the monitoring host (3) is also in communication connection with the field information acquisition subsystem (2) to acquire the running state information of the high-voltage user electric equipment, and compares the running state information with the standard running state information to judge whether the high-voltage user electric equipment has abnormal running.
2. The power system high voltage consumer electricity consumption monitoring system according to claim 1, wherein the monitoring host (3) comprises: an analysis unit (4), a decision unit (5) and an early warning unit (6);
the analysis unit (4) is used for analyzing the power consumption information of the high-voltage user and the running state information of the electric equipment of the high-voltage user, judging whether the power consumption information of the high-voltage user is abnormal or not, and judging whether the running state of the electric equipment of the high-voltage user is abnormal or not;
the decision unit (5) is connected with the analysis unit (4), and the decision unit (5) is used for powering off the high-voltage user when the analysis unit (4) judges that the power consumption information of the high-voltage user is abnormal or the running condition of the electric equipment of the high-voltage user is abnormal;
the early warning unit (6) is connected with the analysis unit (4), and the early warning unit (6) is used for giving an alarm when the analysis unit (4) judges that the power consumption information of the high-voltage user is abnormal or the running condition of the electric equipment of the high-voltage user is abnormal.
3. The power consumption monitoring system for high-voltage users of the power system according to claim 1 or 2, wherein when the monitoring host (3) detects whether the power consumption information is abnormal, firstly detecting the power consumption information of the high-voltage users in a preset time period on the same day, comparing the power consumption information with a set reference power consumption to calculate a difference value, comparing the difference value with a set first preset threshold value, and judging that the power consumption on the same day is abnormal when the difference value is larger than the first preset threshold value;
and when the number of continuous power consumption abnormal days exceeds a second preset threshold value, correcting the reference power consumption to be an average value of power consumption parameters of a preset period of each day in the number of continuous power consumption abnormal days.
4. The power system high voltage consumer electricity consumption monitoring system according to claim 1, wherein the electricity consumption monitoring terminal (1) comprises: the device comprises a high-voltage current transformer (7), a high-voltage transformer (8), a data acquisition module (9) and a data transmission module (10);
the data acquisition module (9) is respectively connected with the high-voltage transformer (8) and the high-voltage transformer (7) to acquire voltage information and current information of the inlet wire end of the high-voltage user side transformer, and calculates electricity consumption information of the high-voltage user according to the voltage information and the current information;
the data transmission module (10) is connected with the data acquisition module (9), the electricity consumption information calculated by the data acquisition module (9) is transmitted to the monitoring host (3), and the monitoring host (3) compares the electricity consumption information with the main electricity consumption of the high-voltage user to judge whether the high-voltage user has abnormal electricity consumption.
5. The power system high voltage consumer electricity consumption monitoring system of claim 1, wherein the on-site information acquisition subsystem (2) comprises: an image information acquisition network (11), a temperature information acquisition network (12) and a sound information acquisition network (13);
the running state information of the high-voltage user electric equipment comprises: image information, ambient temperature information, and sound information.
6. The power system high voltage consumer electricity consumption monitoring system of claim 5, wherein the image information acquisition network (11) comprises: an image acquisition module (14) and an image information processing device (15);
the image acquisition module (14) is arranged in the area where the high-voltage user electric equipment is located, and the image information processing device (15) is arranged in the main control room;
the image acquisition module (14) comprises an image acquisition device (16) and a data exchange unit (17);
the image information processing device (15) is connected with the image acquisition device (16) through the data exchange unit (17) to acquire an image and process the image to acquire image information;
the image information processing device (15) is further connected with the monitoring host (3) to send the image information to the monitoring host (3), the monitoring host (3) processes the image information, and whether the image information of the high-voltage user electric equipment is abnormal or not is judged by comparing the image information with the standard image information.
7. The power system high voltage consumer electricity consumption monitoring system of claim 5, wherein the temperature information collection network (12) comprises: a temperature acquisition module (18) and a temperature concentrator (19);
the temperature acquisition module (18) is arranged in the area where the high-voltage user electric equipment is located, and the temperature concentrator (19) is arranged in the main control room;
the monitoring host (3) is connected with the temperature acquisition module (18) through the temperature concentrator (19), acquires the environmental temperature information of the high-voltage user electric equipment, compares the environmental temperature information with the standard temperature information, and judges whether the temperature information of the high-voltage user electric equipment is abnormal or not.
8. The power system high voltage consumer electricity supervisory system according to claim 5, wherein the sound information collection network (13) comprises: a sound collection module (20) and a sound concentrator (21);
the sound collection module (20) is arranged in the area where the high-voltage user electric equipment is located, and the sound concentrator (21) is arranged in the main control room;
the monitoring host (3) is connected with the sound collecting module (20) through the sound concentrator (21) to acquire sound information of the high-voltage user electric equipment, compares the sound information with standard sound information and judges whether the sound information of the high-voltage user electric equipment is abnormal or not.
9. The electrical power system high voltage consumer power consumption monitoring system of any one of claims 6-8, wherein the high voltage consumer power consumption device comprises: the device comprises a transformer, a circuit breaker, a transformer, a metering electric energy meter, a pole switch, a drop-out fuse, an isolation disconnecting link, a power cable, a capacitor, a relay protection device, an automatic device, a locking device, an operating power supply, a used transformer, a self-contained generator, a reactor, an arc suppression coil, a fuse, a lightning arrester, a lightning rod, a grounding grid and a high-voltage motor.
10. The power system high-voltage user power consumption supervision system according to claim 1, wherein the monitoring host (3) is respectively connected with an indication dial of the high-voltage user and the relay protection device, and alarms when the data of the indication dial of the high-voltage user is abnormal or the relay protection device acts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310437039.9A CN116760173A (en) | 2023-04-21 | 2023-04-21 | Power consumption monitoring system for high-voltage user of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310437039.9A CN116760173A (en) | 2023-04-21 | 2023-04-21 | Power consumption monitoring system for high-voltage user of power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116760173A true CN116760173A (en) | 2023-09-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118362778A (en) * | 2024-06-20 | 2024-07-19 | 中电装备山东电子有限公司 | Intelligent electric power data acquisition and analysis terminal based on mutual inductor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118362778A (en) * | 2024-06-20 | 2024-07-19 | 中电装备山东电子有限公司 | Intelligent electric power data acquisition and analysis terminal based on mutual inductor |
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