CN107171436B - Monitoring device capable of automatically screening information and analyzing accidents and monitoring method thereof - Google Patents
Monitoring device capable of automatically screening information and analyzing accidents and monitoring method thereof Download PDFInfo
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- 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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Abstract
The invention discloses a monitoring device capable of automatically screening information and performing accident analysis and a monitoring method thereof, wherein the monitoring device capable of automatically screening information comprises a signal acquisition module (1), an abnormal judgment module (2), an information screening page popup module (3), an information screening and refreshing module (4), a voltage and current abnormal judgment module (5) and a scheme solving module (6); the monitoring device capable of analyzing the accident comprises an abnormal signal acquisition module (7), an accident analysis refreshing module (14), an accident judgment module (8), an accident grading module (9), an accident analysis page popping module (10) and a first-level accident analysis module, a second-level accident analysis module and a third-level accident analysis module; the invention can automatically screen system information, pop up display alarm for important signals, provide processing suggestions for the important information and grade the importance degree of accidents according to abnormal signals, thereby providing different solutions, providing more accurate accident information and processing schemes for dispatching operators on duty and improving the working efficiency.
Description
The technical field is as follows:
the invention relates to a monitoring device capable of automatically screening information and analyzing accidents and a monitoring method thereof, belonging to the technical field of scheduling control services.
Background art:
the electric power dispatching monitoring work mainly uses EMS and DMS systems which are used for monitoring the state of a transformer substation, a power grid and other related information, a daily system reports a lot of information, but the information really needs to be processed by monitoring personnel but is not much, the system is provided with a sound alarm device, but a lot of alarms are not emergent faults and do not need to be processed by personnel, and the monitoring personnel are easily misled.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide a monitoring device and a monitoring method thereof, wherein the monitoring device can automatically screen system information, provide processing suggestions for important information such as voltage, current and the like by popping up a page for flashing and displaying the important signal and giving an alarm along with sound, and grade the important degree of an accident according to an abnormal signal in an acquisition system, so that different solutions are provided, more accurate accident information and processing schemes are provided for dispatching operators on duty, and the working efficiency is improved.
The object of the invention can be achieved by the following measures: a monitoring device capable of automatically screening information and performing accident analysis is characterized by comprising a monitoring device capable of automatically screening information and a monitoring device capable of performing accident analysis;
the monitoring device capable of automatically screening information comprises a signal acquisition module, an abnormal judgment module, an information screening page popup module, an information screening and refreshing module, an abnormal voltage and current judgment module and a scheme solution module; the signal acquisition module is connected with the abnormal judgment module, the abnormal judgment module is respectively connected with the information screening page popping module, the refreshing module and the voltage and current abnormal judgment module, the abnormal voltage and current judgment module is connected with the scheme solution module, and the page popping module and the scheme solution module are connected with the signal acquisition module to form a loop; the signal acquisition module is used for acquiring various signals of voltage, current, active power, reactive power and power factor in the electric power dispatching EMS system and the DMS system and transmitting the signals to the abnormity judgment module, the abnormity judgment module compares the signals with a preset reference value, and the reference value is a voltage reference value, a current reference value, an active power reference value, a reactive power reference value and a power factor reference value in the signal acquisition module, judges whether the acquired signals are abnormal or not, and transmits the signals to the information screening and refreshing module if the acquired signals are not abnormal, and refreshes data in the signal acquisition module; if the acquired signal is abnormal, the acquired signal is transmitted to an information screening page popping module and a voltage and current judging abnormal module, the information screening page popping module pops an abnormal information page for flicker display and sends out a sound alarm, the voltage and current judging abnormal module judges, namely the voltage and current which are two most parameters in the power system are screened out for judging again, whether the voltage exceeds a limit value or not and whether the current exceeds an allowable value or not are judged, if the voltage and current do not exceed the allowable value, the judgment is waited for the end of confirmation, if the voltage and current judging abnormal module is abnormal, the acquired signal is continuously transmitted to a scheme solving module, and the scheme solving module provides a reference solution which comprises switching a capacitor, changing the voltage of a higher-level power supply, adjusting the gear of a; finally, after the regulation and control personnel confirm the alarm information and the reference solution, clicking to confirm to finish, restoring the device to the initial state, and continuously acquiring signals;
the monitoring device capable of analyzing the accident comprises an abnormal signal acquisition module, an accident analysis refreshing module, an accident judgment module, an accident grading module, an accident analysis page popping module and a primary accident analysis module; a secondary accident analysis module; a third-level accident analysis module; the accident analysis page popping module is connected with the abnormal signal acquisition module to form a loop; the abnormal signal acquisition module acquires abnormal signals in the power dispatching EMS system and the DMS system, transmits the abnormal signals to the accident judgment module, judges whether an accident occurs or not, and comprises bus grounding, line tripping and emergency alarm of a protection device, if no accident occurs, the abnormal signals are transmitted to the accident analysis refreshing module, and data in the abnormal signal acquisition module are refreshed; if an accident exists, the signal is continuously transmitted to an accident grading module; the accident classification module classifies the accidents, if the accidents are primary accidents, the accidents are transmitted to the primary accident analysis module, the accidents are processed, the processing process and the acquired information are transmitted to the accident analysis page popup module, and the popup page flickers and displays; if the secondary accident is the secondary accident, transmitting the secondary accident to a secondary accident analysis module, popping up a page dialog box through an accident analysis page popping module, not performing automatic processing, and only providing a processing scheme for reference of a regulation and control worker; if the accident is a third-level accident, the accident is transmitted to a third-level accident analysis module, an information dialog box is popped up through an accident analysis page popping module aiming at the accidents of the line section switch and the high-voltage user demarcation switch, and the information of whether an interconnection switch, a high-voltage user responsible person and a policing person exist at the tail end of the line is displayed; finally, after the regulation and control personnel confirm the accident analysis result, clicking to confirm, ending the confirmation, restoring the device to the initial state, and continuously acquiring abnormal signals; the first-level accident is an accident needing emergency treatment, and the accident interval is isolated within 20 seconds, and the power supply of the non-fault interval is recovered; the secondary accident is an accident which does not need emergency treatment, but needs to give an alarm, and the treatment is finished within 24 hours; the three-stage accident aims at the accident of a line branch or a tail end and a high-voltage user demarcation switch, needs to be processed by a user management department in a matching way, and is finished within 72 hours.
A monitoring method capable of automatically screening information and performing accident analysis is characterized by comprising two steps of a monitoring method capable of automatically screening information and a monitoring method capable of performing accident analysis:
the monitoring method capable of automatically screening information comprises the following steps:
1) the signal acquisition module acquires various signals of voltage, current, active power, reactive power and power factor in the electric power dispatching EMS system and the DMS system and transmits the acquired signals to the abnormity judgment module;
2) the abnormal judgment module is used for setting reference values of voltage, current, active power, reactive power and power factor in advance, comparing the reference values with various collected signals, judging whether the signals are abnormal or not, if the signals are not abnormal, transmitting the signals to the information screening and refreshing module, and refreshing data in the signal collection module; if the signal is abnormal, the signal is transmitted to an information screening page popping module and a voltage and current judging abnormal module, a page with abnormal information is popped up to be displayed in a flashing mode, a sound alarm is given, meanwhile, the voltage and current signal is analyzed and judged again in the voltage and current judging abnormal module, and whether the voltage exceeds a limit value or not and whether the current exceeds an allowable value or not are judged;
3) if the voltage and current judgment abnormity module judges that the voltage and current judgment abnormity is abnormal, the signal is transmitted to the scheme solution module to provide a reference solution, and the reference solution comprises switching capacitors, changing the voltage of a superior power supply, adjusting the gear of a neutral point of a transformer and transferring a load through a tie switch so as to change the voltage and the current;
4) and finally, after the regulation and control personnel confirm the alarm information and the reference solution, clicking to confirm, ending the confirmation, restoring the device to the initial state, and continuously acquiring signals.
The monitoring method capable of analyzing accidents comprises the following steps:
1) the abnormal signal acquisition module acquires abnormal signals in the power dispatching EMS system and the DMS system, transmits the abnormal signals to the accident judgment module, judges whether an accident occurs or not, and comprises bus grounding, line tripping and emergency alarm of a protection device, if no accident occurs, the abnormal signals are transmitted to the accident analysis refreshing module, and data in the abnormal signal acquisition module are refreshed; if an accident exists, the signal is continuously transmitted to an accident classification module, and the accident is classified in three stages;
2) the accident classification module carries out three-level classification on the accidents, if the accidents are primary accidents, the accidents are transmitted to the primary accident analysis module for processing, the processing process and the acquired information are transmitted to the accident analysis page popup module, and the popup page flickers and displays; if the secondary accident is the secondary accident, transmitting the secondary accident to a secondary accident analysis module, popping up a page dialog box through an accident analysis page popping module, not performing automatic processing, and only providing a processing scheme for reference of a regulation and control worker; and if the accident is a third-level accident, transmitting the accident to a third-level accident analysis module, popping up an information dialog box by an accident analysis page popup module aiming at the accidents of the line section switch and the high-voltage user demarcation switch, and displaying whether an interconnection switch, a high-voltage user responsible person and the information of the policemen exist at the tail end of the line.
Compared with the prior art, the invention can produce the following positive effects: the invention can automatically screen the important information of the dispatching system, provide processing suggestions for the important information such as voltage, current and the like by popping up a page for flashing the important signal and giving an alarm along with sound, and grade the important degree of the accident according to the abnormal signal in the acquisition system, thereby providing different solutions, providing more processing schemes and more accurate accident information for dispatching operators on duty and improving the working efficiency. The invention can be widely applied to the dispatching monitoring work of power supply companies.
Description of the drawings:
FIG. 1 is a schematic diagram of a monitoring device capable of automatically screening information according to the present invention;
fig. 2 is a schematic diagram of a monitoring device capable of performing accident analysis according to the present invention.
The specific implementation mode is as follows: the following detailed description of embodiments of the invention refers to the accompanying drawings in which:
example (b): a monitoring device capable of automatically screening information and performing accident analysis is composed of a monitoring device (see figure 1) capable of automatically screening information and a monitoring device (see figure 2) capable of performing accident analysis;
the monitoring device capable of automatically screening information comprises a signal acquisition module 1, an abnormal judgment module 2, an information screening page popup module 3, an information screening and refreshing module 4, an abnormal voltage and current judgment module 5 and a scheme solution module 6; the signal acquisition module 1 is connected with the abnormity judgment module 2, the abnormity judgment module 2 is respectively connected with the information screening page popup module 3, the refreshing module 4 and the voltage and current abnormity judgment module 5, the voltage and current abnormity judgment module 5 is connected with the scheme solution module 6, and the page popup module 3 and the scheme solution module 6 are connected with the signal acquisition module 1 to form a loop. The signal acquisition module 1 is used for acquiring various signals of voltage, current, active power, reactive power and power factor in an electric power dispatching EMS system and a DMS system and transmitting the signals to the abnormal judgment module 2, the abnormal judgment module 2 judges whether the acquired signals are abnormal or not by comparing the signals with preset reference values (namely the voltage reference value, the current reference value, the active power reference value, the reactive power reference value and the power factor reference value in the signal acquisition module 1), and if the acquired signals are not abnormal, the signals are transmitted to the information screening and refreshing module 4 to refresh data in the signal acquisition module 1; if the collected signal is abnormal, the collected signal is transmitted to an information screening page popping module 3 and a voltage and current judgment abnormal module 5, the information screening page popping module 3 pops an abnormal information page for flicker display and gives out a sound alarm, the voltage and current judgment abnormal module 5 judges, namely, two most main parameters in the power system, namely, the voltage and the current are screened out for secondary judgment, whether the voltage exceeds a limit value or not and whether the current exceeds an allowable value or not are judged, if the voltage and the current do not exceed the allowable value, the judgment is waited for ending, if the voltage and the current are abnormal, the abnormal signal is continuously transmitted to a scheme solving module 6, and at the moment, a reference solving scheme is mainly provided, and the reference solving scheme comprises a switching capacitor, the change of the upper-level power supply. And finally, after the regulation and control personnel confirm the alarm information and the reference solution, clicking to confirm, ending the confirmation, restoring the device to the initial state, and continuously acquiring signals.
The monitoring device capable of analyzing the accident comprises an abnormal signal acquisition module 7, an accident analysis refreshing module 14, an accident judgment module 8, an accident grading module 9, an accident analysis page popping module 10 and a primary accident analysis module 11; a secondary accident analysis module 12; and a third-level accident analysis module 13. The abnormal signal acquisition module 7 is connected with the accident judgment module 8, the accident judgment module 8 is connected with the refreshing module 14 and the accident grading module 9, the accident grading module 9 is connected with the first-level accident analysis module 11, the second-level accident analysis module 12 and the third-level accident analysis module 13, the first-level accident analysis module 11, the second-level accident analysis module 12 and the third-level accident analysis module 13 are further connected with the accident analysis page popping module 10, and the accident analysis page popping module 10 is connected with the abnormal signal acquisition module 7 to form a loop. The abnormal signal acquisition module 7 acquires abnormal signals in the power dispatching EMS system and the DMS system, transmits the abnormal signals to the accident judgment module 8, judges whether an accident occurs, and comprises bus grounding, line tripping and emergency alarm of a protection device, if no accident occurs, transmits the abnormal signals to the accident analysis and refreshing module 14, and refreshes data in the abnormal signal acquisition module 7; if there is a fault, the signal continues to the fault classification module 9. The device carries out three-level classification on accidents, namely a first-level classification, a second-level classification and a third-level classification. The first-level accident is an accident needing emergency treatment, and an accident interval is isolated in a short time (20 seconds) to recover power supply of a non-fault interval; the secondary accident is an accident which does not need emergency treatment, but needs to give an alarm, and the treatment is finished within 24 hours; the third-level accident mainly aims at the accidents of line branches or tail ends and high-voltage user demarcation switches, needs to be processed by a user management department in a matching way, and is finished within 72 hours. The accident classification module 9 classifies the accident, if the accident is a first-level accident, the accident is transmitted to the first-level accident analysis module 11, if the important load circuit trips, the DMS system of the power system acquires information of the trip circuit, including the carrying capacity of the interconnection switch, the circuit load which can be supplied and the information of whether the fault switch exists, the supply of the circuit load is carried out after 15 seconds, the processing process and the acquired information are transmitted to the accident analysis page popup module 10, and the popup page flickers for display; if the accident is a secondary accident, the data is transmitted to a secondary accident analysis module 12, a page dialog box is popped up through an accident analysis page popping module 10, automatic processing is not carried out, and only a processing scheme is provided for reference of a regulation and control worker; and if the accident is a third-level accident, the information is transmitted to a third-level accident analysis module 13, mainly aiming at the accidents of the line section switch and the high-voltage user demarcation switch, and an information dialog box is popped up through the accident analysis page popping module 10 to display whether the contact switch, the high-voltage user responsible person and the policing personnel information exist at the tail end of the line. And finally, after the regulation and control personnel confirm the accident analysis result, clicking to confirm, and then restoring the device to the initial state to continue to acquire the abnormal signals.
A monitoring method capable of automatically screening information and performing accident analysis is characterized by comprising two steps of a monitoring method capable of automatically screening information and a monitoring method capable of performing accident analysis:
the monitoring method capable of automatically screening information comprises the following steps:
1) the signal acquisition module 1 acquires various signals of voltage, current, active power, reactive power and power factor in an electric power dispatching EMS system and a DMS system, and transmits the acquired signals to the abnormity judgment module 2;
2) the abnormal judgment module 2 is used for setting reference values of voltage, current, active power, reactive power and power factor in advance, comparing the reference values with various collected signals, judging whether the signals are abnormal or not, if the signals are abnormal, transmitting the signals to the information screening and refreshing module 4, and refreshing data in the signal collection module 1; if the signal is abnormal, the signal is transmitted to an information screening page popup module 3 and a voltage and current judgment abnormal module 5, an abnormal information page is popped up for flashing display, and a sound alarm is given, meanwhile, the voltage and current signal is analyzed and judged again in the voltage and current judgment abnormal module 5, and whether the voltage exceeds a limit value or not and whether the current exceeds an allowable value or not are judged;
3) if the voltage and current abnormity judgment module 5 judges that the voltage and current abnormity is abnormal, the signal is transmitted to the scheme solution module 6, and a reference solution is provided, wherein the reference solution comprises the steps of switching capacitors, changing the voltage of a superior power supply, adjusting the neutral point gear of a transformer and transferring load through a contact switch, so that the voltage and the current are changed.
4) And finally, after the regulation and control personnel confirm the alarm information and the reference solution, clicking to confirm, ending the confirmation, restoring the device to the initial state, and continuously acquiring signals.
The monitoring method capable of analyzing accidents comprises the following steps:
1) the abnormal signal acquisition module 7 acquires abnormal signals in the electric power dispatching EMS system and the DMS system, transmits the abnormal signals to the accident judgment module 8, judges whether an accident occurs, and comprises bus grounding, line tripping and emergency alarm of a protection device, if no accident occurs, transmits the abnormal signals to the accident analysis refreshing module 14, and refreshes data in the abnormal signal acquisition module 7; if an accident exists, the signal is continuously transmitted to an accident classification module 9, and the accident is classified in three stages;
2) the accident classification module 9 is used for carrying out three-level classification on the accidents, if the accidents are primary accidents, the accidents are transmitted to the primary accident analysis module 11, if the important load circuit is tripped, the DMS system of the power system is used for carrying out information acquisition on the tripped circuit, wherein the information acquisition comprises the carrying capacity of a contact switch, the circuit load capable of being supplied and the information of whether a fault switch exists, the supply of the circuit load is carried out after 15 seconds, the processing process and the acquired information are transmitted to the accident analysis page popup module 10, and the popup page is used for flashing display; if the accident is a secondary accident, the data is transmitted to a secondary accident analysis module 12, a page dialog box is popped up through an accident analysis page popping module 10, automatic processing is not carried out, and only a processing scheme is provided for reference of a regulation and control worker; and if the accident is a third-level accident, the information is transmitted to a third-level accident analysis module 13, mainly aiming at the accidents of the line section switch and the high-voltage user demarcation switch, and an information dialog box is popped up through the accident analysis page popping module 10 to display whether the contact switch, the high-voltage user responsible person and the policing personnel information exist at the tail end of the line.
3) And finally, after the regulation and control personnel confirm the accident analysis result, clicking to confirm, and then restoring the device to the initial state to continue to acquire the abnormal signals.
Claims (2)
1. A monitoring device capable of automatically screening information and performing accident analysis is characterized by comprising a monitoring device capable of automatically screening information and a monitoring device capable of performing accident analysis;
the monitoring device capable of automatically screening information comprises a signal acquisition module (1), an abnormal judgment module (2), an information screening page popup module (3), an information screening and refreshing module (4), an abnormal voltage and current judgment module (5) and a scheme solution module (6); the signal acquisition module (1) is connected with the abnormal judgment module (2), the abnormal judgment module (2) is respectively connected with the information screening page popup module (3), the refreshing module (4) and the voltage and current abnormal judgment module (5), the voltage and current abnormal judgment module (5) is connected with the scheme solution module (6), and the page popup module (3) and the scheme solution module (6) are connected with the signal acquisition module (1) to form a loop; the signal acquisition module (1) is used for acquiring voltage, current, active power, reactive power and power factor signals in an electric power dispatching EMS system and a DMS system and transmitting the signals to the abnormity judgment module (2), the abnormity judgment module (2) compares the signals with a preset reference value, and the reference value is a voltage reference value, a current reference value, an active power reference value, a reactive power reference value and a power factor reference value in the signal acquisition module (1) to judge whether the acquired signals are abnormal or not, if the acquired signals are not abnormal, the signals are transmitted to the information screening and refreshing module (4) to refresh data in the signal acquisition module (1); if the acquired signal is abnormal, the acquired signal is transmitted to an information screening page popping module (3) and a voltage and current judging abnormal module (5), the information screening page popping module (3) pops an abnormal information page for flashing display and gives out a sound alarm, the voltage and current judging abnormal module (5) judges again to judge whether the voltage exceeds a limit value and whether the current exceeds an allowable value, if no abnormality exists, the judgment is waited for the end of confirmation, if the abnormality exists, the judgment is continuously transmitted to a scheme solving module (6), the scheme solving module (6) provides a reference solution, and the method comprises the steps of switching capacitors, changing the voltage of a higher-level power supply, adjusting the neutral point gear of a transformer and transferring the load through a contact switch; finally, after the regulation and control personnel confirm the alarm information and the reference solution, clicking to confirm to finish, restoring the device to the initial state, and continuously acquiring signals;
the monitoring device capable of analyzing the accident comprises an abnormal signal acquisition module (7), an accident analysis refreshing module (14), an accident judgment module (8), an accident grading module (9), an accident analysis page popping module (10) and a primary accident analysis module (11); a secondary accident analysis module (12); a third-level accident analysis module (13); the accident analysis system comprises an abnormal signal acquisition module (7), an accident judgment module (8), an accident classification module (8), a refreshing module (14) and an accident classification module (9), wherein the accident classification module (9) is connected with a first-level accident analysis module (11), a second-level accident analysis module (12) and a third-level accident analysis module (13), the first-level accident analysis module (11), the second-level accident analysis module (12) and the third-level accident analysis module (13) are connected with an accident analysis page popping module (10), and the accident analysis page popping module (10) is connected with the abnormal signal acquisition module (7) to form a loop; the abnormal signal acquisition module (7) acquires abnormal signals in the power dispatching EMS system and the DMS system, transmits the abnormal signals to the accident judgment module (8), judges whether an accident occurs or not, and comprises bus grounding, line tripping and emergency alarm of a protection device, if no accident occurs, the abnormal signals are transmitted to the accident analysis refreshing module (14), and data in the abnormal signal acquisition module (7) are refreshed; if the accident exists, the signal is continuously transmitted to an accident grading module (9); the accident classification module (9) classifies accidents, if the accidents are primary accidents, the accidents are transmitted to the primary accident analysis module (11), the accidents are processed, the processing process and the acquired information are transmitted to the accident analysis page popup module (10), and the popup page flickers and displays; if the accident is a secondary accident, the accident is transmitted to a secondary accident analysis module (12), a page dialog box is popped up through an accident analysis page popping module (10), automatic processing is not carried out, and only a processing scheme is provided for reference of regulating and controlling personnel; if the accident is a three-level accident, the information is transmitted to a three-level accident analysis module (13), an information dialog box is popped up through an accident analysis page popping module (10), and information of whether a contact switch, a high-voltage user responsible person and a policeman exist at the tail end of the line is displayed; finally, after the regulation and control personnel confirm the accident analysis result, clicking to confirm the end, recovering the device to the initial state, and continuously acquiring abnormal signals; the first-level accident is an accident needing emergency treatment, and the accident interval is isolated within 20 seconds, and the power supply of the non-fault interval is recovered; the secondary accident is an accident which does not need emergency treatment, but needs to give an alarm, and the treatment is finished within 24 hours; the three-stage accident aims at the accident of a line branch or a tail end and a high-voltage user demarcation switch, needs to be processed by a user management department in a matching way, and is finished within 72 hours.
2. A monitoring method capable of automatically screening information and performing accident analysis is characterized by comprising two steps of a monitoring method capable of automatically screening information and a monitoring method capable of performing accident analysis:
the monitoring method capable of automatically screening information comprises the following steps:
the signal acquisition module (1) acquires voltage, current, active power, reactive power and power factor signals in an electric power dispatching EMS system and a DMS system and transmits the acquired signals to the abnormity judgment module (2);
reference values of voltage, current, active power, reactive power and power factor are set in advance in the abnormal judgment module (2), so that the reference values are compared with corresponding collected signals, whether the signals are abnormal or not is judged, if the signals are abnormal or not, the reference values are transmitted to the information screening and refreshing module (4), and data in the signal collection module (1) are refreshed; if the signal is abnormal, the signal is transmitted to an information screening page popping module (3) and a voltage and current judging abnormal module (5), an abnormal information page is popped for flashing display, a sound alarm is given out, and meanwhile, the voltage and current signal is analyzed and judged again in the voltage and current judging abnormal module (5) to judge whether the voltage exceeds a limit value or not and whether the current exceeds an allowable value or not;
if the voltage and current abnormity judgment module (5) judges that the voltage and current abnormity is abnormal, the signal is transmitted to a scheme solution module (6) to provide a reference solution, wherein the reference solution comprises switching capacitors, changing the voltage of a superior power supply, adjusting the neutral point gear of a transformer and transferring a load through a tie switch so as to change the voltage and the current;
the monitoring method capable of analyzing accidents comprises the following steps:
the abnormal signal acquisition module (7) acquires abnormal signals in the power dispatching EMS system and the DMS system, transmits the abnormal signals to the accident judgment module (8), judges whether an accident occurs or not, and comprises bus grounding, line tripping and emergency alarm of a protection device, if no accident occurs, transmits the abnormal signals to the accident analysis refreshing module (14), and refreshes data in the abnormal signal acquisition module (7); if an accident exists, the signal is continuously transmitted to an accident classification module (9) to carry out three-stage classification on the accident;
the accident classification module (9) is used for carrying out three-level classification on the accidents, if the accidents are primary accidents, the accidents are transmitted to the primary accident analysis module (11) for processing, the processing process and the acquired information are transmitted to the accident analysis page popup module (10), and the popup page is flickered and displayed; if the accident is a secondary accident, the accident is transmitted to a secondary accident analysis module (12), a page dialog box is popped up through an accident analysis page popping module (10), automatic processing is not carried out, and only a processing scheme is provided for reference of regulating and controlling personnel; if the accident is a three-level accident, the three-level accident is transmitted to a three-level accident analysis module (13), the three-level accident is an accident aiming at a line section switch and a high-voltage user demarcation switch, an information dialog box is popped up through an accident analysis page popping module (10), and information of whether a contact switch, a high-voltage user responsible person and a policeman exist at the tail end of the line is displayed;
and finally, after the regulation and control personnel confirm the accident analysis result, clicking to confirm, and then restoring the device to the initial state to continue to acquire the abnormal signals.
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| CN102570602A (en) * | 2011-12-04 | 2012-07-11 | 江苏省电力公司南京供电公司 | Fault comprehensive processing platform and method of distribution network |
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