CN112993951B - Rapid power distribution network system fault removal device and removal method - Google Patents
Rapid power distribution network system fault removal device and removal method Download PDFInfo
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- CN112993951B CN112993951B CN202110341044.0A CN202110341044A CN112993951B CN 112993951 B CN112993951 B CN 112993951B CN 202110341044 A CN202110341044 A CN 202110341044A CN 112993951 B CN112993951 B CN 112993951B
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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
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention relates to the technical field of fault removal of a power distribution network, and particularly discloses a rapid fault removal device for a power distribution network system, which comprises a plurality of power distribution stations and a plurality of power utilization ends, wherein the output end of each power distribution station is provided with a power distribution station output end controller for detecting and controlling output electric energy; the input end of each user end is provided with a user end input controller for controlling the input electric energy detection box; the power distribution station control system further comprises a master controller used for controlling the whole equipment, and the master controller is connected with the power distribution station output end controller and the user side input controller through a network so as to control the power distribution station output end controller and the user side input controller. The position of judgement trouble that this application can be quick reduces the definite time of fault point greatly, and the effectual plenty of time of avoiding hindering because artifical troubleshooting fault point is delayed, further guarantee people's that can be better life reduces because the economic loss that the outage caused.
Description
Technical Field
The invention relates to the technical field of power distribution network fault elimination, in particular to a device and a method for quickly removing a power distribution network system fault.
Background
A distribution network refers to an electric power network that distributes electric energy from a power plant to consumers in stages through a distribution facility. The power distribution network generally adopts a closed-loop design and an open-loop operation, and the structure of the power distribution network is radial. The closed loop structure is adopted to improve the flexibility of operation and the reliability of power supply; the open-loop operation is used for limiting short-circuit fault current and preventing the breaker from exceeding the breaking capacity to explode on one hand, and is used for controlling the fault coverage and avoiding the expansion of the fault power failure range on the other hand.
The whole distribution network generally comprises five parts, namely a power generation part, a power transformation part, a power transmission part, a power distribution part and a power utilization part; the power distribution part and the power utilization part are directly related to household and enterprise power utilization users, and the two parts are directly connected with the users for power utilization, so that the two parts have more variable factors in the actual power utilization process, and are also the parts with high failure rate of the whole power distribution network system.
For the existing power distribution part and power utilization part, once a fault occurs, the whole line is often powered off, and in order to find a fault point or a fault line, the power utilization end is often manually checked one by one, so that the fault problem can be solved, but because the manual checking speed is low and the number of lines to be checked is possibly large, the fault clearing time is greatly prolonged, the normal power utilization of users is greatly influenced, and the enterprise power utilization users also have large economic loss.
Disclosure of Invention
The invention aims to provide a device and a method for quickly removing faults of a power distribution network system, which are used for solving the problem that after faults occur in a power distribution part and a power utilization part, the fault removal time is longer, and the problem of larger adverse effect is caused.
In order to achieve the purpose, the invention provides the following technical scheme:
a rapid cutting device for faults of a power distribution network system comprises a plurality of power distribution stations and a plurality of power utilization ends, wherein a power distribution station output end controller for detecting and controlling output electric energy is arranged at the output end of each power distribution station; the input end of each user end is provided with a user end input controller for controlling the input electric energy detection box; the power distribution station control system further comprises a master controller used for controlling the whole equipment, and the master controller is connected with the power distribution station output end controller and the user side input controller through a network so as to control the power distribution station output end controller and the user side input controller.
As a still further scheme of the invention: the master controller comprises a first signal receiving unit, a first signal comparison and analysis unit, a fault information base, a first signal processing confirmation unit and a first signal transmitting unit, wherein the input end of the first signal comparison and analysis unit is connected with the output end of the first signal receiving unit and the output end of the fault information base respectively, the output end of the first signal comparison and analysis unit is connected with the input end of the first information processing confirmation unit and the input end of the first signal transmitting unit respectively, the input end of the first information processing confirmation unit is further connected with the output end of the first signal receiving unit and the output end of the fault information base respectively, and the output end of the first information processing confirmation unit is connected with the input end of the first signal transmitting unit.
As a still further scheme of the invention: the output end controller of the power distribution station comprises a first signal detection unit for detecting an output electric energy signal of the power distribution station, a second signal transmission unit for transmitting a signal detected by the first signal detection unit, a second signal receiving unit for receiving a control signal and a first action execution unit for executing the signal received by the second signal receiving unit.
As a still further scheme of the invention: the power utilization end input controller comprises a second signal detection unit for detecting the power signals input to the user end, a third signal transmission unit for transmitting the signals detected by the second signal detection unit, a third signal receiving unit for receiving control signals and a second action execution unit for executing the execution information received by the third signal receiving unit.
As a still further scheme of the invention: and the fault information base stores information in a cloud storage or mechanical storage mode.
As a still further scheme of the invention: and the signal comparison and analysis unit and the information processing and confirmation unit are used for processing related information through a computer terminal.
As a still further scheme of the invention: the first action execution unit and the second action execution unit are a plurality of switch devices controlled by relays.
A method for cutting off a power distribution network system fault quick cutting-off device comprises the following steps:
the method comprises the following steps that firstly, a main circuit is connected with a plurality of power distribution stations, and it is guaranteed that any one section of the main circuit only forms a passage with one power distribution station at any time and different closed loops can be formed between different power distribution stations and a user side;
the second step: the electric energy signal output by the power distribution station is detected by the power distribution station output end controller through the first signal detection unit, and the detected signal is transmitted to the first signal receiving unit of the master controller through the second signal transmitting unit;
the third step: a first signal receiving unit of the master controller transmits the received signals to a signal comparison and analysis unit, and the signal comparison and analysis unit receives the signals and then calls data in a fault information base for information comparison;
if the result is normal after the information comparison is finished, transmitting an action execution signal to a signal receiving unit II through a signal transmitting unit, and transmitting the received signal to the action execution unit I by the signal receiving unit II to enable the main circuit and the power distribution station to keep a passage state;
if the result is abnormal after the information comparison is finished, transmitting an abnormal signal to an information processing confirming unit, calling the signal received by the first signal receiving unit and the data information in the fault information base by the information processing confirming unit, comparing and analyzing the signal again, if the result of the comparison and analysis is normal again, transmitting an action execution signal to a second signal receiving unit by a signal transmitting unit, and transmitting the received signal to the first action execution unit by the second signal receiving unit to enable a main circuit and the power distribution station to keep a path state; if the result of the comparison and analysis is abnormal again, an action execution signal is transmitted to the second signal receiving unit through the signal transmitting unit, the second signal receiving unit transmits the received signal to the first action execution unit, the main circuit is disconnected with the power distribution station, the main circuit is connected with any other power distribution station, and the actions of the second step and the third step are repeated until the signal comparison and analysis unit displays that the main circuit is normal, so that the path connection between the main circuit and the power distribution station is realized;
the fourth step: the signal detection unit in the power utilization end input controller detects the electric energy signal input by the power utilization end, and the signal transmission unit III transmits the signal to the signal receiving unit I after the signal detection is finished;
the fifth step: a first signal receiving unit of the master controller transmits the received signals to a signal comparison and analysis unit, and the signal comparison and analysis unit receives the signals and then calls data in a fault information base for information comparison;
if the result is normal after the information comparison is finished, transmitting an action execution signal to a signal receiving unit III through a signal transmitting unit, and transmitting the received signal to an action execution unit II by the signal receiving unit III so that the main circuit and the power utilization end keep a path state;
if the result is abnormal after the information comparison is finished, transmitting an abnormal signal to an information processing confirming unit, calling the signal received by the first signal receiving unit and the data information in the fault information base by the information processing confirming unit, comparing and analyzing the signal again, if the result of the comparison and analysis is normal again, transmitting an action execution signal to a third signal receiving unit through a signal transmitting unit, and transmitting the received signal to a second action execution unit by the third signal receiving unit to enable a main circuit and a power utilization end to keep a path state; if the result of the comparison and analysis is abnormal again, the signal transmitting unit transmits an action execution signal to the signal receiving unit III, and the signal receiving unit III transmits the received signal to the action execution unit II to disconnect the main circuit from the power utilization end.
As a still further scheme of the invention: and the signal transmitted by the signal transmitting unit II on each power distribution station output end controller is provided with a code for identifying and judging the specific power distribution station output end controller.
As a still further scheme of the invention: the signal emitted by the signal emitting unit III of each power utilization end input controller is provided with codes for identifying and judging the specific power utilization end input controller.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the power distribution station, the output end controller of the power distribution station is arranged at the output end of the power distribution station, the power utilization end input controller is arranged at the input end of the power utilization end, and the master controller is matched, so that the whole circuit is adjusted, the position of a fault can be judged quickly, the time for determining a fault point is greatly shortened, a large amount of time delayed due to manual troubleshooting of the fault point is effectively avoided, the life of people can be better guaranteed, and the economic loss caused by power failure is reduced;
(2) This application can enough judge the trouble of distribution station output position department through the mode that many distribution stations are connected, and the distribution station that adjustment main circuit that can also be timely is connected under the prerequisite that does not have the trouble at the user side, can be through switching over the mode that corresponds the distribution station, and the unobstructed of guarantee circuit avoids the emergence of the outage condition to a certain extent.
Drawings
Fig. 1 is a schematic diagram showing a connection structure of a rapid cutting device for faults of a power distribution network system.
Fig. 2 is a schematic diagram of a connection structure of a rapid cutting device for a power distribution grid system fault.
Fig. 3 is a schematic diagram of a connection structure of a substation output controller in the rapid fault removal device of the power distribution network system.
Fig. 4 is a schematic diagram of a connection structure of a master controller in the rapid fault removing device of the power distribution network system.
Fig. 5 is a schematic diagram of a connection structure of a power utilization end input controller in the rapid cutting device for the faults of the power distribution network system.
Fig. 6 is a schematic diagram of a connection structure of a power distribution station output end controller, a master controller and a power utilization end input controller in the rapid fault removal device for the power distribution network system.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Referring to fig. 1 to 6, a device for rapidly removing a fault of a power distribution network system includes a plurality of distribution substations and a plurality of power consumers, wherein an output terminal controller of each distribution substation is provided at an output terminal of each distribution substation for detecting and controlling output power; the output end controller of the power distribution station is used for detecting an output electric energy signal on one hand and controlling the output electric energy on the other hand, and the main point of control is to control the on-off of a circuit, and when the signal is abnormal, a switch can be controlled to disconnect the power distribution station from a main circuit;
the input end of each user end is provided with a user end input controller for controlling the input electric energy detection box; the user side input controller is used for judging the fault position of the user side, and because a plurality of user sides are connected to each main circuit, the user side fails to quickly determine the fault position;
the system also comprises a master controller for controlling the whole equipment, wherein the master controller is connected with the output end controller of the power distribution station and the input controller of the user end through a network so as to control the output end controller of the power distribution station and the input controller of the user end. The signal of controller, user side input controller is carried out the analysis to distribution substation output controller, user through total controller, and after the analysis was accomplished, assigned relevant action instruction to the realization is to the controller of whole circuit, guarantees the quick excision of trouble, can realize the definite to the fault location simultaneously.
The master controller comprises a first signal receiving unit, a first signal comparison and analysis unit, a fault information base, a first signal processing confirmation unit and a first signal transmitting unit, wherein the input end of the first signal comparison and analysis unit is connected with the output end of the first signal receiving unit and the output end of the fault information base respectively, the output end of the first signal comparison and analysis unit is connected with the input end of the first information processing confirmation unit and the input end of the first signal transmitting unit respectively, the input end of the first information processing confirmation unit is further connected with the output end of the first signal receiving unit and the output end of the fault information base respectively, and the output end of the first information processing confirmation unit is connected with the input end of the first signal transmitting unit.
The signal receiving unit is a device for receiving signals generated by the output end controller and the power utilization end input controller of the power distribution station, and after the signals are received, whether a fault exists is determined after the signals are compared and analyzed by the signal comparison and analysis unit, if the received information exists in the fault information base, the fault is determined to be abnormal, and if the received information does not exist in the fault information base, the non-fault is determined to be normal; if the fault is judged to be abnormal, the information processing and confirming unit confirms again, if the result of reconfirmation is still abnormal, the fault really exists, and if the result of reconfirmation is normal, the fault does not exist.
In addition, it should be noted that, in the process of technology development, there may be a fault condition that is not found before, and at this time, it is necessary to perform certain perfection on the information content of the fault information base, that is, the information data in the fault information base is continuously perfected and is not constant.
The power distribution station output end controller comprises a first signal detection unit, a second signal transmission unit, a second signal receiving unit and a first action execution unit, wherein the first signal detection unit is used for detecting an output power signal of a power distribution station, the second signal transmission unit is used for transmitting a signal detected by the first signal detection unit, the second signal reception unit is used for receiving a control signal, and the first action execution unit is used for executing the signal received by the second signal reception unit.
The power utilization end input controller comprises a second signal detection unit, a third signal transmission unit, a third signal receiving unit and a second action execution unit, wherein the second signal detection unit is used for detecting a power signal input to a user end, the third signal transmission unit is used for transmitting a signal detected by the second signal detection unit, the third signal receiving unit is used for receiving a control signal, and the second action execution unit is used for executing execution information received by the third signal receiving unit.
And the fault information base stores information in a cloud storage or mechanical storage mode. Whether the fault information is stored through cloud storage or mechanical storage, the fault information data is stored, and it should be noted that with the continuous increase of the fault information, the storage capacity needs to be increased in time, so that the fault data is prevented from being lost, and the fault cannot be found in time.
And the signal comparison and analysis unit and the information processing and confirmation unit are used for processing related information through a computer terminal. The processing is carried out through the computer terminal, the processing result can be rapidly calculated, the running speed of the whole system is ensured, and meanwhile, the fault finding and removing speed can be ensured.
The first action execution unit and the second action execution unit are a plurality of switch devices controlled by relays. The action execution unit mainly relates to the control of the on-off state of the circuit.
A method for cutting off a power distribution network system fault fast cutting off device comprises the following steps:
the method comprises the following steps that firstly, a main circuit is connected with a plurality of power distribution stations, and it is guaranteed that a path is formed between any one section of the main circuit and only one power distribution station at any time and different closed loops can be formed between different power distribution stations and a user side;
the second step is that: the electric energy signal output by the power distribution station is detected by the power distribution station output end controller through the first signal detection unit, and the detected signal is transmitted to the first signal receiving unit of the master controller through the second signal transmitting unit;
the third step: a first signal receiving unit of the master controller transmits the received signals to a signal comparison and analysis unit, and the signal comparison and analysis unit receives the signals and then calls data in a fault information base to carry out information comparison;
if the result is normal after the information comparison is finished, transmitting an action execution signal to a signal receiving unit II through a signal transmitting unit, and transmitting the received signal to the action execution unit I by the signal receiving unit II to enable the main circuit and the power distribution station to keep a passage state;
if the result is abnormal after the information comparison is finished, transmitting the abnormal signal to an information processing confirmation unit, calling the signal received by the first signal receiving unit and the data information in the fault information base by the information processing confirmation unit, comparing and analyzing the signal again, if the result of the comparison and analysis is normal again, transmitting an action execution signal to a second signal receiving unit through a signal transmitting unit, and transmitting the received signal to the first action execution unit by the second signal receiving unit to enable the main circuit and the power distribution station to keep a path state; if the result of the comparison and analysis is abnormal again, an action execution signal is transmitted to the signal receiving unit II through the signal transmitting unit, the signal receiving unit II transmits the received signal to the action execution unit I, the main circuit is disconnected with the power distribution station, the main circuit is connected with any other power distribution station, the actions of the second step and the third step are repeated, once the main circuit is judged to be abnormal on one side of the power distribution station, the corresponding power distribution station is disconnected and connected to other power distribution stations, smooth operation of the circuit is guaranteed, and abnormal power distribution station connection is avoided; until the signal comparison and analysis unit displays that the signal is normal, the main circuit is connected with the power distribution station through a passage;
the fourth step: the signal detection unit in the power utilization end input controller detects the electric energy signal input by the power utilization end, and the signal transmission unit III transmits the signal to the signal receiving unit I after the signal detection is finished;
the fifth step: a first signal receiving unit of the master controller transmits the received signals to a signal comparison and analysis unit, and the signal comparison and analysis unit receives the signals and then calls data in a fault information base for information comparison;
if the result is normal after the information comparison is finished, transmitting an action execution signal to a signal receiving unit III through a signal transmitting unit, and transmitting the received signal to an action execution unit II by the signal receiving unit III so that the main circuit and the power utilization end keep a path state;
if the result is abnormal after the information comparison is finished, the abnormal signal is transmitted to the information processing confirmation unit, the information processing confirmation unit retrieves the signal received by the signal receiving unit I and the data information in the fault information base and compares and analyzes the signal again, if the result of the comparison and analysis is normal again, the signal transmitting unit transmits an action execution signal to the signal receiving unit III, and the signal receiving unit III transmits the received signal to the action execution unit II so that the main circuit and the power utilization end keep a path state; if the result of the comparison and analysis is abnormal again, the signal transmitting unit transmits an action execution signal to the signal receiving unit III, and the signal receiving unit III transmits the received signal to the action execution unit II to disconnect the main circuit from the power utilization end.
And the signal transmitted by the signal transmitting unit II on each power distribution station output end controller is provided with a code for identifying and judging the specific power distribution station output end controller. The signal emitted by the signal emitting unit III of each power utilization end input controller is provided with codes for identifying and judging the specific power utilization end input controller. The setting of coding information can be further convenient to confirm the position of the fault point, and the fault point can be ensured to be rapidly discovered.
The output end of the power distribution station is provided with the power distribution station output end controller, the input end of the power utilization end is provided with the power utilization end input controller and is matched with the master controller, so that the whole circuit is adjusted, the position of a fault can be judged quickly, the time for determining the fault point is greatly shortened, a large amount of time delayed due to manual troubleshooting of the fault point is effectively avoided, the life of people can be better guaranteed, and the economic loss caused by power failure is reduced;
the mode that many distribution stations connect can enough judge the trouble of distribution station output position department, and the distribution station that the adjustment main circuit that can also be timely is connected under the prerequisite that the user does not have the trouble, can be through the mode that switches corresponding distribution station, the unobstructed of guarantee circuit avoids the emergence of the outage condition to a certain extent.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (3)
1. A method for rapidly cutting off faults of a power distribution network system is characterized in that the cutting off method is realized by a cutting off device, the cutting off device comprises a plurality of power distribution stations and a plurality of power utilization terminals,
the output end of each power distribution station is provided with a power distribution station output end controller for detecting and controlling the output electric energy;
the input end of each user end is provided with a user end input controller for detecting and controlling the input electric energy;
the master controller is connected with the output end controller of the power distribution station and the input controller of the user end through a network to realize the control of the output end controller of the power distribution station and the input controller of the user end;
the master controller comprises a first signal receiving unit, a first signal comparison and analysis unit, a fault information base, a first signal processing and confirmation unit and a first signal transmitting unit, wherein the input end of the first signal comparison and analysis unit is respectively connected with the output end of the first signal receiving unit and the output end of the fault information base;
the power distribution station output end controller comprises a first signal detection unit, a second signal transmission unit, a second signal receiving unit and a first action execution unit, wherein the first signal detection unit is used for detecting an output electric energy signal of a power distribution station, the second signal transmission unit is used for transmitting a signal detected by the first signal detection unit, the second signal receiving unit is used for receiving a control signal, and the first action execution unit is used for executing the signal received by the second signal receiving unit;
the power utilization end input controller comprises a second signal detection unit, a third signal transmission unit, a third signal receiving unit and a second action execution unit, wherein the second signal detection unit is used for detecting a power signal input to a user end, the third signal transmission unit is used for transmitting a signal detected by the second signal detection unit, the third signal receiving unit is used for receiving a control signal, and the second action execution unit is used for executing execution information received by the third signal receiving unit;
the fault information base stores information in a cloud storage or mechanical storage mode;
the signal comparison and analysis unit and the information processing and confirmation unit process related information through a computer terminal;
the first action execution unit and the second action execution unit are a plurality of switch devices controlled by relays;
the excision method specifically comprises the following steps:
the method comprises the following steps that firstly, a main circuit is connected with a plurality of power distribution stations, and it is guaranteed that any one section of the main circuit only forms a passage with one power distribution station at any time and different closed loops can be formed between different power distribution stations and a user side;
the second step is that: the electric energy signal output by the power distribution station is detected by the power distribution station output end controller through the first signal detection unit, and the detected signal is transmitted to the first signal receiving unit of the master controller through the second signal transmitting unit;
the third step: a first signal receiving unit of the master controller transmits the received signals to a signal comparison and analysis unit, and the signal comparison and analysis unit receives the signals and then calls data in a fault information base for information comparison;
if the result is normal after the information comparison is finished, transmitting an action execution signal to a signal receiving unit II through a signal transmitting unit, and transmitting the received signal to the action execution unit I by the signal receiving unit II to enable the main circuit and the power distribution station to keep a passage state;
if the result is abnormal after the information comparison is finished, transmitting an abnormal signal to an information processing confirming unit, calling the signal received by the first signal receiving unit and the data information in the fault information base by the information processing confirming unit, comparing and analyzing the signal again, if the result of the comparison and analysis is normal again, transmitting an action execution signal to a second signal receiving unit by a signal transmitting unit, and transmitting the received signal to the first action execution unit by the second signal receiving unit to enable a main circuit and the power distribution station to keep a path state; if the result of the comparison and analysis is abnormal again, an action execution signal is transmitted to the second signal receiving unit through the signal transmitting unit, the second signal receiving unit transmits the received signal to the first action execution unit, the main circuit is disconnected with the power distribution station, the main circuit is connected with any other power distribution station, and the actions of the second step and the third step are repeated until the signal comparison and analysis unit displays that the main circuit is normal, so that the path connection between the main circuit and the power distribution station is realized;
the fourth step: the signal detection unit in the power utilization end input controller detects the electric energy signal input by the power utilization end, and the signal transmission unit III transmits the signal to the signal receiving unit I after the signal detection is finished;
the fifth step: a first signal receiving unit of the master controller transmits the received signals to a signal comparison and analysis unit, and the signal comparison and analysis unit receives the signals and then calls data in a fault information base for information comparison;
if the result is normal after the information comparison is finished, transmitting an action execution signal to a signal receiving unit III through a signal transmitting unit, and transmitting the received signal to an action execution unit II by the signal receiving unit III so that the main circuit and the power utilization end keep a path state;
if the result is abnormal after the information comparison is finished, the abnormal signal is transmitted to the information processing confirmation unit, the information processing confirmation unit retrieves the signal received by the signal receiving unit I and the data information in the fault information base and compares and analyzes the signal again, if the result of the comparison and analysis is normal again, the signal transmitting unit transmits an action execution signal to the signal receiving unit III, and the signal receiving unit III transmits the received signal to the action execution unit II so that the main circuit and the power utilization end keep a path state; if the result of the comparison and analysis is abnormal again, the signal transmitting unit transmits an action execution signal to the signal receiving unit III, and the signal receiving unit III transmits the received signal to the action execution unit II to disconnect the main circuit from the power utilization end.
2. The method for rapidly removing the fault of the power distribution network system according to claim 1, wherein the method comprises the following steps: and the signal transmitted by the signal transmitting unit II on each power distribution station output end controller is provided with a code for identifying and judging the specific power distribution station output end controller.
3. The method for rapidly removing the fault of the power distribution network system according to claim 2, wherein the method comprises the following steps: the signal emitted by the signal emitting unit III of each power utilization end input controller is provided with codes for identifying and judging specific power utilization end input controllers.
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|---|---|---|---|---|
| CN107315132A (en) * | 2017-08-04 | 2017-11-03 | 浙江长兴慧城科技有限公司 | A kind of power distribution station automatic fault detection system |
| CN110994570A (en) * | 2019-12-19 | 2020-04-10 | 深圳供电局有限公司 | Power distribution network protection method and system, protection equipment and storage medium |
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