CN112952990A - Power distribution network uninterrupted operation emergency system - Google Patents
Power distribution network uninterrupted operation emergency system Download PDFInfo
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- CN112952990A CN112952990A CN202110338487.4A CN202110338487A CN112952990A CN 112952990 A CN112952990 A CN 112952990A CN 202110338487 A CN202110338487 A CN 202110338487A CN 112952990 A CN112952990 A CN 112952990A
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- 230000007246 mechanism Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 8
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- 238000011084 recovery Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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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
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
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- Business, Economics & Management (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a power distribution network uninterrupted operation emergency system, and relates to the field of power distribution network operation and maintenance. At present, the power recovery operation equipment can rarely find a non-power-off fast access point in a cable network line, and the power recovery speed is influenced. The intelligent emergency system comprises an intelligent terminal, an emergency system server, a node cabinet and uninterrupted operation equipment; the emergency system server marks the node cabinet, and the power failure position information is displayed in a map; determining a power device causing a power outage; searching upper and lower node cabinets of the equipment according to the power equipment causing power failure, and selecting the most reasonable node cabinet; and inquiring an emergency scheme database according to the node cabinet type and the uninterrupted operation equipment type to obtain an uninterrupted operation emergency scheme of the power distribution network, and pushing the uninterrupted operation emergency scheme to the intelligent terminal. According to the technical scheme, the optimal node cabinet is quickly selected according to the power failure geographic position, and the node cabinet position information and the non-power-failure operation emergency scheme are provided; the management and operation efficiency is improved, and the power recovery speed is improved.
Description
Technical Field
The invention relates to the field of operation and maintenance of a power distribution network, in particular to a non-power-outage operation emergency system for the power distribution network.
Background
With the gradual increase of the urban cabling rate, the cable bypass operation becomes a main line of the urban power distribution network uninterrupted operation. At present, operation equipment such as a generator car, a box transformer car, a bypass cable and the like is adopted to carry out surface or point first-time power restoration operation. In actual work, the operation equipment can rarely find a non-power-off fast access point in a cable network line, and the power restoration speed is influenced.
Disclosure of Invention
The technical problem to be solved and the technical task to be solved by the invention are to perfect and improve the prior technical scheme and provide a non-power-off operation emergency system for a power distribution network so as to achieve the purpose of rapid power restoration. Therefore, the invention adopts the following technical scheme.
A power distribution network uninterrupted operation emergency system comprises an intelligent terminal, an emergency system server, a node cabinet and uninterrupted operation equipment matched with the node cabinet;
the intelligent terminal is used for positioning the power failure position by means of the positioning system and transmitting the position information to the emergency system server;
the emergency system server is used for storing the geographical position information of the power distribution network power equipment, marking the node cabinet and displaying the geographical position information of the power distribution network power equipment and the power failure position information uploaded by the intelligent terminal in a map by means of a GIS (geographic information system); determining power equipment causing power failure based on the power failure position information and information fed back by the power workers on site; searching upper and lower node cabinets of the equipment according to the power equipment causing power failure, and determining the position distance information of the node cabinets according to a GIS (geographic information system); integrating the position distance information of the node cabinets and selecting the most reasonable node cabinet by using the existing available uninterrupted power supply equipment; inquiring an emergency scheme database according to the node cabinet type and the type of the uninterrupted operation equipment to obtain an uninterrupted operation emergency scheme of the power distribution network, and pushing the corresponding uninterrupted operation emergency scheme to the intelligent terminal;
the node cabinets are arranged on 10kV and 0.4kV distribution network lines to form fixed power supply 'hot spots' which are used as power supply access points or load output points and are node cabinet power equipment with quick plug interfaces, so that the distribution network has quick and flexible temporary networking capacity; the node cabinet power equipment comprises a ring main unit, a switch cabinet, a branch box and a distribution box.
Through contacting the fixed power supply 'hot spot' on the existing power distribution network line, the uninterrupted operation emergency system is formed. The system can quickly select an optimal fixed power supply 'hot spot' according to the power failure geographical position, and provide 'hot spot' position information and an emergency operation scheme; the management and operation efficiency is improved, and the power failure time is reduced. The power supply department can also carry out grid division on a power supply management area according to the power distribution network uninterrupted operation emergency system, reasonably configures hot spots and avoids resource waste.
As a preferable technical means: the uninterrupted operation equipment comprises a flexible power cable, a box transformer substation vehicle, a medium-low voltage power generation vehicle, a ring main unit vehicle and a low-voltage cabinet vehicle.
As a preferable technical means: the ring main unit comprises a main unit body, a display panel arranged on one side of the main unit body, a top outgoing line sleeve which is positioned at the top of the main unit body and used as an electric energy input interface of the ring main unit, a main line sleeve which is used as electric energy output of the ring main unit, a branch line sleeve which is used for realizing bypass maintenance operation and temporary electricity taking function, a main line three-station load/grounding switch which is arranged on a main line and used for cutting off a main line branch line, a branch line three-station load/grounding switch which is arranged on a branch line and used for cutting off a branch line, a main line operating mechanism which is connected with the main line three-station load/grounding switch and used for controlling the main line three-station load/grounding switch to act, and a branch line operating mechanism which is connected; the main line three-station load/grounding switch and the branch line three-station load/grounding switch are arranged in the cabinet body; the top outgoing line sleeve and the bus are connected with a main line three-station load/grounding switch or a branch line three-station load/grounding switch; the main line three-station load/ground switch, the main line and the main line casing pipe are connected in sequence; the branch three-station load/grounding switch, the branch and the branch sleeve are connected in sequence. In order to form an emergency operation loop, a branch three-station load/grounding switch, a branch operating mechanism, a branch sleeve and a branch are additionally arranged on the existing ring main unit; the technical scheme reserves the functions of the original ring main unit and realizes emergency operation, and the ring main unit of the technical scheme is used as a fixed power supply 'hot spot' and is used as a power supply access point or a load output point; when a fault occurs or the maintenance is carried out, the power failure time is reduced, the wiring is convenient, and the construction is simple.
As a preferable technical means: when the ring main unit is needed to temporarily take power in the emergency scheme of the uninterrupted power operation of the power distribution network: observing the state display of the switch through a display panel, and determining that the branch switches are in a separated state; opening the box door; testing the electricity again; after determining that the branch line sleeve interface is not electrified, performing quick access on a temporary line; the branch switch is operated to supply power to the temporary line.
As a preferable technical means: when a 10kV incoming cable or a superior feeder cabinet of a power distribution room is in fault or overhauled for short-time power failure operation, the emergency system server makes a non-power failure operation emergency scheme which comprises the steps of accessing a looped network cabinet branch line through voltage power generation equipment to realize rapid networking and power restoration; when the temporary power supply is connected into the ring main unit, the switch state display of the ring main unit is observed, and the branch three-station load/grounding switch is determined to be in the separated state; opening the box door; testing the electricity again; after determining that the branch bushing interface is not electrified, performing temporary and rapid access on the medium-voltage generator car; and operating the branch line switch and the power generation equipment output switch to supply power to the ring main unit.
Has the advantages that: 1. according to the power failure geographic position, quickly selecting an optimal node cabinet, and providing node cabinet position information and a non-power-off operation emergency scheme; the management and operation efficiency is improved, and the power failure time is reduced.
2. According to the power distribution network uninterrupted operation emergency system, grid division is carried out on a power supply management area, a node cabinet is reasonably configured, and resource waste is avoided.
Drawings
FIG. 1 is a system block diagram of the present invention.
Fig. 2 is a schematic diagram of a transformer fault or overhaul operation in a distribution room of the present invention.
Fig. 3 is a schematic structural diagram of the ring main unit of the present invention.
In the figure: 1-an intelligent terminal; 2-an emergency system server; 3-node cabinets; 301. a display panel; 302. a top outgoing line sleeve; 303-a main line casing; 304-a spur casing; 305-main line three-position load/ground switch; 306-branch three-position load/ground switch; 307-operating mechanism; 308-a cabinet body; 4-no-power-off operation equipment; 5-a distribution room transformer; 6-load.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
As shown in fig. 1, the system comprises an intelligent terminal, an emergency system server, a node cabinet and a non-power-off operation device matched with the node cabinet; wherein:
the intelligent terminal is used for positioning the power failure position by means of the positioning system and transmitting the position information to the emergency system server;
the emergency system server is used for storing the geographical position information of the power distribution network power equipment, marking the node cabinet and displaying the geographical position information of the power distribution network power equipment and the power failure position information uploaded by the intelligent terminal in a map by means of a GIS (geographic information system); determining power equipment causing power failure based on the power failure position information and information fed back by the power workers on site; searching upper and lower node cabinets of the equipment according to the power equipment causing power failure, and determining the position distance information of the node cabinets according to a GIS (geographic information system); integrating the position distance information of the node cabinets and selecting the most reasonable node cabinet by using the existing available uninterrupted power supply equipment; inquiring an emergency scheme database according to the node cabinet type and the type of the uninterrupted operation equipment to obtain an uninterrupted operation emergency scheme of the power distribution network, and pushing the corresponding uninterrupted operation emergency scheme to the intelligent terminal;
the node cabinets are arranged on 10kV and 0.4kV distribution network lines to form fixed power supply 'hot spots' which are used as power supply access points or load output points and are node cabinet power equipment with quick plug interfaces, so that the distribution network has quick and flexible temporary networking capacity; the node cabinet power equipment comprises a ring main unit, a switch cabinet, a branch box and a distribution box.
As shown in fig. 2, the operation when the distribution room transformer 5 is out of order or repaired will be described as an example. In the figure, a first node cabinet 3.1, a second node cabinet 3.2, a first non-power-off working device 4.1 and a second non-power-off working device 4.2 are provided.
The specific working process is as follows: the intelligent terminal 1 adopts a smart phone, and an electric power worker sends the position of the power distribution room to the emergency system server 2 through the intelligent terminal 1. The emergency system server 2 displays the geographical position information of the power distribution network power equipment and the power distribution room position information uploaded by the intelligent terminal in a map by means of a GIS (geographic information system); determining the power equipment causing the power failure as a distribution room transformer 5 based on the power failure position information and the information fed back by the power workers on site; searching the node cabinets closest to the fault power equipment and most reasonable in the GIS system as a high-voltage switch cabinet 3.1 and a low-voltage power distribution cabinet 3.2; the uninterrupted operation emergency scheme pushed to the intelligent terminal 1 by the system is divided into a mobile box transformer substation 4.1 emergency scheme and a low-voltage power supply vehicle 4.2 emergency scheme, and an electric worker can perform field operation according to the emergency scheme. As shown in fig. 2, the emergency scheme of the mobile box-type substation 4.1 is roughly operated in such a way that a box-type substation incoming cable is connected with a high-voltage switch cabinet 3.1, and a box-type substation outgoing cable is connected with a low-voltage power distribution cabinet 3.2, so that power supply of a load 6 can be recovered; the 4.2 emergency scheme of the low-voltage power supply vehicle has the approximate operation flow that the 4.2 power outlet of the low-voltage power supply vehicle is connected with the 3.2 low-voltage power distribution cabinet, so that the power supply of the load 6 can be recovered.
As shown in fig. 3, for ease of connection, the adopted ring main unit comprises a cabinet body 308, a display panel 301 arranged on one side of the cabinet body 308, a top outgoing line sleeve 302 which is positioned at the top of the cabinet body 308 and is used as an electric energy input interface of the ring main unit, a main line sleeve 303 which is used as an electric energy output of the ring main unit, a branch line sleeve 304 which is used for realizing bypass maintenance operation and temporary electricity taking functions, a main line three-station load/ground switch 305 which is arranged on a main line and is used for cutting off a main line and a branch line, a branch line three-station load/ground switch 306 which is arranged on a branch line and is used for cutting off a branch line and a branch line, a main line operating mechanism which is connected with the main line three-station load/ground switch 305 and is used for controlling the action of the main line three-station load/ground switch 305, and a branch line; the main line three-station load/ground switch 305 and the branch line three-station load/ground switch 306 are arranged in the cabinet 308; the top outgoing line sleeve 302 and the bus are connected with a main line three-station load/ground switch 305 or a branch line three-station load/ground switch 306; the main line three-station load/ground switch 305, the main line and the main line casing pipe 303 are connected in sequence; the branch three-station load/ground switch 306, the branch and the branch casing 304 are connected in sequence. This looped netowrk cabinet has interim power access function and interim circuit and gets the electric function, can branch node power control, carries out the switching of power failure not, and branch line interface adopts quick plug mode moreover, can increase substantially the operating efficiency that does not have a power failure, reduces user's power off time. The ring main unit has strong universality, can completely replace the prior ring main unit without changing the structure, has the interoperability, and can realize quick power restoration while considering the cost.
When the ring main unit is needed to temporarily take power in the emergency scheme of the uninterrupted power operation of the power distribution network: observing the switch state display through the display panel 301, and determining that the branch switches are in the separated state; opening the box door; testing the electricity again; after determining that the interface of the branch bushing 304 is not electrified, performing quick access on a temporary line; the branch switch is operated to supply power to the temporary line.
When a 10kV incoming cable or a superior feeder cabinet of a power distribution room is in fault or overhauled for short-time power failure operation, the emergency system server makes a non-power failure operation emergency scheme which comprises the steps of accessing a looped network cabinet branch line through voltage power generation equipment to realize rapid networking and power restoration; when the temporary power supply is connected into the ring main unit, the switch state display of the ring main unit is observed, and the branch three-station load/grounding switch 306 is determined to be in the separated state; opening the box door; testing the electricity again; after determining that the interface of the branch bushing 304 is not electrified, performing temporary and rapid access on the medium-voltage generator car; and operating the branch line switch and the power generation equipment output switch to supply power to the ring main unit.
For making current looped netowrk cabinet be applicable to the distribution network emergency system of not power failure operation, will reform transform former looped netowrk cabinet, add three station load/earthing switch of branch line, branch line operating mechanism, branch line sleeve pipe and branch line 309, for the convenience to the transformation of former looped netowrk cabinet, when guaranteeing the security, adopt following structure: a branch three-station load/ground switch 306 is arranged above the main line three-station load/ground switch 305, and a branch operating mechanism 307 is arranged at the position opposite to the branch three-station load/ground switch 306; a main line operating mechanism is arranged below the branch line operating mechanism 307; a branch casing box which is protruded outwards and used for accommodating the branch casing 304 is arranged on the front side of the cabinet body; the branch casing box and the main line operating mechanism are arranged side by side. The convex branch line accommodating bushing box is adopted to facilitate the connection of the branch line bushing and external equipment, the misoperation caused by the interference of the branch line bushing box and a switch positioned on a front side plate can be avoided, and the safety of operation is improved by the single branch line bushing box; the branch casing pipes in the branch casing pipe box are isolated from the main line operating mechanism, the insulation effect is improved, the structure is compact, the transformation of an original ring main unit is realized, the size of the ring main unit in the left and right directions does not need to be increased, the increased volume is only the branch casing pipe box with the convex part at the front side, the occupied area requirement of the ring main unit is not influenced, the arrangement position of the ring main unit does not need to be rearranged and moved, and the transformation cost of the ring main unit is reduced.
The emergency system for distribution network uninterrupted operation shown in fig. 1-3 is a specific embodiment of the present invention, has embodied the substantial features and advantages of the present invention, and can be modified in shape, structure and the like according to the practical use requirements, all falling within the scope of protection of the present solution.
Claims (5)
1. A distribution network uninterrupted operation emergency system is characterized by comprising an intelligent terminal (1), an emergency system server (2), a node cabinet and uninterrupted operation equipment (4) matched with the node cabinet; wherein:
the intelligent terminal (1) is used for positioning the power failure position by means of a positioning system and transmitting the position information to the emergency system server;
the emergency system server (2) is used for storing the geographical position information of the power distribution network power equipment, marking the node cabinet (3), and displaying the geographical position information of the power distribution network power equipment and the power failure position information uploaded by the intelligent terminal (1) in a map by means of a GIS (geographic information system); determining power equipment causing power failure based on the power failure position information and information fed back by the power workers on site; searching upper and lower node cabinets of the equipment according to the power equipment causing power failure, and determining the position distance information of the node cabinets according to a GIS (geographic information system); integrating the position distance information of the node cabinets and selecting the most reasonable node cabinet (3) by using the existing available uninterrupted power supply equipment; inquiring an emergency scheme database according to the type of the node cabinet (3) and the type of the uninterrupted operation equipment (4) to obtain an uninterrupted operation emergency scheme of the power distribution network, and pushing the corresponding uninterrupted operation emergency scheme to the intelligent terminal;
the node cabinets are arranged on 10kV and 0.4kV distribution network lines to form fixed power supply 'hot spots' which are used as power supply access points or load output points and are node cabinet power equipment with quick plug interfaces, so that the distribution network has quick and flexible temporary networking capacity; the node cabinet power equipment comprises a ring main unit, a switch cabinet, a branch box and a distribution box.
2. The emergency system for uninterruptible operation of power distribution network according to claim 1, wherein: the uninterrupted operation equipment (4) comprises a flexible power cable, a box transformer substation vehicle, a medium-low voltage power generation vehicle, a ring main unit vehicle and a low-voltage cabinet vehicle.
3. The emergency system for uninterruptible operation of power distribution network according to claim 2, wherein: the ring main unit comprises a main unit body (308), a display panel (301) arranged on one side of the main unit body (308), a top outgoing line sleeve (302) which is positioned at the top of the main unit body (308) and is used as an electric energy input interface of the ring main unit, a main line sleeve (303) which is used as electric energy output of the ring main unit, and a branch line sleeve (304) which is used for realizing bypass maintenance operation and temporary electricity taking function, the main line three-station load/ground switch (305) is arranged on the main line and used for disconnecting a main line branch line, the branch line three-station load/ground switch (306) is arranged on the branch line and used for disconnecting a branch line, the main line operating mechanism is connected with the main line three-station load/ground switch (305) and used for controlling the main line three-station load/ground switch (305) to act, and the branch line operating mechanism is connected with the branch line three-station load/ground switch (306) and used for controlling the branch line three-station load/ground switch (306) to act; the main line three-station load/ground switch (305) and the branch line three-station load/ground switch (306) are arranged in the cabinet body (308); the top outgoing line sleeve (302) and the bus are connected with a main line three-station load/ground switch (305) or a branch line three-station load/ground switch (306); the main line three-station load/ground switch (305), the main line and the main line casing pipe (303) are connected in sequence; the branch three-station load/ground switch (306), the branch and the branch sleeve (304) are connected in sequence.
4. The emergency system for uninterrupted power operation of the power distribution network according to claim 3, wherein: when the ring main unit is needed to temporarily take power in the emergency scheme of the uninterrupted power operation of the power distribution network: observing the switch state display through a display panel (301) to determine that the branch switches are in the separated state; opening the box door; testing the electricity again; after determining that the interface of the branch line casing (304) is not electrified, quickly accessing a temporary line; the branch switch is operated to supply power to the temporary line.
5. The emergency system for uninterruptible operation of power distribution network according to claim 4, wherein: when a 10kV incoming cable or a superior feeder cabinet of a power distribution room is in fault or overhauled for short-time power failure operation, the emergency system server makes a non-power failure operation emergency scheme which comprises the steps of accessing a looped network cabinet branch line through voltage power generation equipment to realize rapid networking and power restoration; when the temporary power supply is connected into the ring main unit, the switch state display of the ring main unit is observed, and a branch three-station load/grounding switch (306) is determined to be in a separated state; opening the box door; testing the electricity again; after determining that the interface of the branch bushing (304) is not electrified, performing temporary and rapid access on the medium-voltage generator car; and operating the branch line switch and the power generation equipment output switch to supply power to the ring main unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110338487.4A CN112952990A (en) | 2021-03-30 | 2021-03-30 | Power distribution network uninterrupted operation emergency system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110338487.4A CN112952990A (en) | 2021-03-30 | 2021-03-30 | Power distribution network uninterrupted operation emergency system |
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| CN112952990A true CN112952990A (en) | 2021-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115774595A (en) * | 2023-02-10 | 2023-03-10 | 广东远景信息科技有限公司 | Emergency task display method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170045931A1 (en) * | 2015-01-20 | 2017-02-16 | Huawei Technologies Co., Ltd. | Power Supply Control Apparatus and Method for Controlling Power Supply |
| CN209913360U (en) * | 2019-06-21 | 2020-01-07 | 国网山东省电力公司济南市长清区供电公司 | Take node cabinet of quick grafting function of branch line |
| CN112491133A (en) * | 2019-09-12 | 2021-03-12 | 国网辽宁省电力有限公司本溪供电公司 | Device and method for quickly positioning faults of looped network unit |
-
2021
- 2021-03-30 CN CN202110338487.4A patent/CN112952990A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170045931A1 (en) * | 2015-01-20 | 2017-02-16 | Huawei Technologies Co., Ltd. | Power Supply Control Apparatus and Method for Controlling Power Supply |
| CN209913360U (en) * | 2019-06-21 | 2020-01-07 | 国网山东省电力公司济南市长清区供电公司 | Take node cabinet of quick grafting function of branch line |
| CN112491133A (en) * | 2019-09-12 | 2021-03-12 | 国网辽宁省电力有限公司本溪供电公司 | Device and method for quickly positioning faults of looped network unit |
Non-Patent Citations (1)
| Title |
|---|
| 吴非斐: "10kV中置式开关柜的安全问题及改造措施探析", 《科技与企业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115774595A (en) * | 2023-02-10 | 2023-03-10 | 广东远景信息科技有限公司 | Emergency task display method and device |
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