CN206023196U - A kind of intelligent switch with unidirectional ground connection direction protection - Google Patents
A kind of intelligent switch with unidirectional ground connection direction protection Download PDFInfo
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- CN206023196U CN206023196U CN201620962838.3U CN201620962838U CN206023196U CN 206023196 U CN206023196 U CN 206023196U CN 201620962838 U CN201620962838 U CN 201620962838U CN 206023196 U CN206023196 U CN 206023196U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
本实用新型涉及智能配电电网技术领域，尤其涉及一种带单向接地方向保护的智能开关，它主要解决了现有技术中电路中单向接地故障发生时不能准备对电路进行报警、切断的问题，包括控制装置、零序电压互感器、零序电流互感器、智能断路器、连接电缆，所述零序电流互感器分别与智能断路器的三相进线端连接，所述零序电流互感器的另一端与三相电路电源连接，所述零序电压互感器的一端通过连接电缆与控制装置连接，所述控制装置通过连接电缆与智能断路器的控制电缆接线盒连接，所述零序电压互感器的另一端与三相电路电源连接。
The utility model relates to the technical field of intelligent power distribution network, in particular to an intelligent switch with one-way grounding direction protection, which mainly solves the problem that the circuit cannot be prepared to alarm and cut off when a one-way grounding fault occurs in the circuit in the prior art Problems, including control devices, zero-sequence voltage transformers, zero-sequence current transformers, intelligent circuit breakers, and connecting cables. The zero-sequence current transformers are respectively connected to the three-phase incoming terminals of the intelligent circuit breaker. The other end of the transformer is connected to the three-phase circuit power supply, one end of the zero-sequence voltage transformer is connected to the control device through a connecting cable, and the control device is connected to the control cable junction box of the intelligent circuit breaker through a connecting cable. The other end of the sequence voltage transformer is connected to the three-phase circuit power supply.
Description
技术领域technical field
本实用新型涉及智能配电电网技术领域，尤其涉及一种带单向接地方向保护的智能开关。The utility model relates to the technical field of intelligent power distribution network, in particular to an intelligent switch with unidirectional grounding direction protection.
背景技术Background technique
10kV架空配电线路T接的用户内部发生故障时，如故障在其进线段，或故障虽发生在用户进线开关内侧，但其保护动作时限与变电站出线开关保护配合不当时，均会造成变电站出线开关保护掉闸。如果故障性质是永久的，变电站重合不成功，则一个中压用户界内的事故将使整条配电线路停电，这种在配电网中常见的波及事故，对社会将造成恶劣影响。When a fault occurs inside the user connected to the 10kV overhead distribution line T, if the fault occurs in the incoming line section, or if the fault occurs inside the user incoming line switch, if the protection action time limit and the substation outlet switch protection do not cooperate, it will cause the substation The outlet switch is protected from tripping. If the nature of the fault is permanent and the reclosing of the substation is unsuccessful, an accident in the medium-voltage user community will cause a power outage of the entire distribution line. This kind of spillover accident that is common in the distribution network will have a bad impact on society.
实用新型内容Utility model content
因此，针对上述的问题，本实用新型提供一种带单向接地方向保护的智能开关，它主要解决了现有技术中电路中单向接地故障发生时不能准备对电路进行报警、切断的问题。Therefore, in view of the above problems, the utility model provides an intelligent switch with one-way grounding direction protection, which mainly solves the problem in the prior art that the circuit cannot be prepared to alarm and cut off when a one-way grounding fault occurs in the circuit.
为实现上述目的，本实用新型采用了以下技术方案：一种带单向接地方向保护的智能开关，包括控制装置、零序电压互感器、零序电流互感器、智能断路器、连接电缆，所述零序电流互感器分别与智能断路器的三相进线端连接，所述零序电流互感器的另一端与三相电路电源连接，所述零序电压互感器的一端通过连接电缆与控制装置连接，所述控制装置通过连接电缆与智能断路器的控制电缆接线盒连接，所述零序电压互感器的另一端与三相电路电源连接。In order to achieve the above purpose, the utility model adopts the following technical solutions: an intelligent switch with unidirectional grounding direction protection, including a control device, a zero-sequence voltage transformer, a zero-sequence current transformer, an intelligent circuit breaker, and a connecting cable. The zero-sequence current transformers are respectively connected to the three-phase incoming terminals of the intelligent circuit breaker, the other end of the zero-sequence current transformer is connected to the three-phase circuit power supply, and one end of the zero-sequence voltage transformer is connected to the control terminal through a connecting cable. The control device is connected to the control cable junction box of the intelligent circuit breaker through a connecting cable, and the other end of the zero-sequence voltage transformer is connected to the three-phase circuit power supply.
进一步的，所述控制装置包括箱体，所述箱体内设置有电路板，所述电路板上分别设置有CPU处理器、数据接收储存模块、无线模块，所述箱体上分别设置有天线插孔、零序电流互感器带自动短接插孔、电源插孔、零序电压互感器连接插孔、接地孔，所述零序电流互感器带自动短接插孔和零序电压互感器连接插孔分别与数据接收储存模块连接，所述天线插孔与无线模块连接。Further, the control device includes a box, and a circuit board is arranged in the box, and a CPU processor, a data receiving and storage module, and a wireless module are respectively arranged on the circuit board, and antenna plugs are respectively arranged on the box. hole, zero-sequence current transformer with automatic short-circuit jack, power jack, zero-sequence voltage transformer connection jack, grounding hole, said zero-sequence current transformer with automatic short-circuit jack and zero-sequence voltage transformer connection The jacks are respectively connected to the data receiving and storage modules, and the antenna jack is connected to the wireless module.
进一步的，所述零序电流互感器带自动短接插孔和零序电压互感器连接插孔通过航空插头与连接电缆连接。Further, the zero-sequence current transformer with automatic short-circuit jack and the zero-sequence voltage transformer connection jack are connected to the connecting cable through an aviation plug.
通过采用前述技术方案，本实用新型的有益效果是：本带单向接地方向保护的智能开关通过设置零序电流互感器和零序电压互感器对电路检修监测，对零序电流互感器和零序电压互感器所传输的数据传送到控制装置，通过控制装置内的设定程序判断电路的运行情况，当接地短路情况发生，控制装置控制智能断路器对电路进行切断，能尽快确定故障线路，尽可能的缩小停电范围，进一步提高供电可靠性，及时隔离事故区间，迅速而准确的找到事故发生地点，将故障影响控制在最小，便于巡视人员快速的选出故障线路，便于运行人员及时采取措施进行处理，大大减轻运行人员的工作量；进一步的，通过特定的插孔对传输信息进行收集、储存、分析处理并发出动作，从而监控电路的安全；进一步的，航空插头提高接口的耐压性能，起到绝缘作用，防止漏电现象发生。By adopting the aforementioned technical scheme, the beneficial effect of the utility model is that the intelligent switch with unidirectional grounding direction protection monitors the circuit maintenance by setting zero-sequence current transformer and zero-sequence voltage transformer, and zero-sequence current transformer and zero-sequence The data transmitted by the sequence voltage transformer is sent to the control device, and the operation of the circuit is judged through the setting program in the control device. When the ground short circuit occurs, the control device controls the intelligent circuit breaker to cut off the circuit, and the fault line can be determined as soon as possible. Minimize the scope of power outages, further improve the reliability of power supply, isolate the accident area in time, quickly and accurately find the location of the accident, and minimize the impact of the fault, so that the inspectors can quickly select the fault line and the operator can take timely measures processing, greatly reducing the workload of operating personnel; further, the transmission information is collected, stored, analyzed and processed through specific jacks, and actions are issued to monitor the safety of the circuit; further, the aviation plug improves the pressure resistance of the interface , play an insulating role to prevent leakage.
附图说明Description of drawings
图1是本实用新型实施例的结构示意图；Fig. 1 is the structural representation of the utility model embodiment;
图2是本实用新型实施例中控制装置结构示意图；Fig. 2 is a schematic structural view of the control device in the embodiment of the utility model;
图3是本实用新型实施例的模块图。Fig. 3 is a block diagram of the embodiment of the utility model.
具体实施方式detailed description
现结合附图和具体实施方式对本实用新型进一步说明。The utility model is further described now in conjunction with accompanying drawing and specific embodiment.
本实用新型实施例为：The utility model embodiment is:
参考图1至图3，一种带单向接地方向保护的智能开关，包括控制装置1、零序电压互感器2、零序电流互感器3、智能断路器4、连接电缆5，所述零序电流互感器3分别与智能断路器4的三相进线端连接，所述零序电流互感器3的另一端与三相电路电源连接，所述零序电压互感器2的一端通过连接电缆5与控制装置1连接，所述控制装置1通过连接电缆5与智能断路器4的控制电缆接线盒连接，所述零序电压互感器2的另一端与三相电路电源连接，所述控制装置1包括箱体11，所述箱体11内设置有电路板12，所述电路板12上分别设置有CPU处理器13、数据接收储存模块14、无线模块15，所述箱体11上分别设置有天线插孔16、零序电流互感器带自动短接插孔17、电源插孔18、零序电压互感器连接插孔19、接地孔20，所述零序电流互感器带自动短接插孔17和零序电压互感器连接插孔19分别与数据接收储存模块14连接，所述天线插孔16与无线模块15连接，所述零序电流互感器带自动短接插孔17和零序电压互感器连接插孔19通过航空插头6与连接电缆5连接。Referring to Figures 1 to 3, an intelligent switch with unidirectional grounding direction protection includes a control device 1, a zero-sequence voltage transformer 2, a zero-sequence current transformer 3, an intelligent circuit breaker 4, and a connecting cable 5. The sequence current transformers 3 are respectively connected to the three-phase incoming terminals of the intelligent circuit breaker 4, the other end of the zero-sequence current transformer 3 is connected to the three-phase circuit power supply, and one end of the zero-sequence voltage transformer 2 is connected through a connecting cable 5 is connected to the control device 1, the control device 1 is connected to the control cable junction box of the intelligent circuit breaker 4 through the connecting cable 5, the other end of the zero-sequence voltage transformer 2 is connected to the three-phase circuit power supply, the control device 1 includes a box body 11, a circuit board 12 is arranged inside the box body 11, a CPU processor 13, a data receiving and storage module 14, and a wireless module 15 are respectively arranged on the circuit board 12, and a Antenna jack 16, zero-sequence current transformer with automatic short-circuit jack 17, power jack 18, zero-sequence voltage transformer connection jack 19, grounding hole 20, said zero-sequence current transformer with automatic short-circuit plug The hole 17 and the zero sequence voltage transformer connection jack 19 are respectively connected with the data receiving and storage module 14, the antenna jack 16 is connected with the wireless module 15, and the zero sequence current transformer has an automatic short-circuit jack 17 and a zero sequence The voltage transformer connection jack 19 is connected with the connection cable 5 through the aviation plug 6 .
本实用新型的工作方式是：本实用新型的有益效果是：本带单向接地方向保护的智能开关通过设置零序电流互感器3和零序电压互感器2对电路检修监测，对零序电流互感器3和零序电压互感器2所传输的数据传送到控制装置1，通过控制装置1内的设定程序判断电路的运行情况，当接地短路情况发生，控制装置1控制智能断路器对电路进行切断，能尽快确定故障线路，尽可能的缩小停电范围，进一步提高供电可靠性，及时隔离事故区间，迅速而准确的找到事故发生地点，将故障影响控制在最小，便于巡视人员快速的选出故障线路，便于运行人员及时采取措施进行处理，大大减轻运行人员的工作量。The working mode of the utility model is: the beneficial effect of the utility model is: the intelligent switch with unidirectional grounding direction protection monitors the circuit maintenance by setting the zero-sequence current transformer 3 and the zero-sequence voltage transformer 2, and zero-sequence current The data transmitted by the transformer 3 and the zero-sequence voltage transformer 2 are sent to the control device 1, and the operation of the circuit is judged through the setting program in the control device 1. When the ground short circuit occurs, the control device 1 controls the intelligent circuit breaker to control the circuit. Cutting off can determine the fault line as soon as possible, reduce the scope of power failure as much as possible, further improve the reliability of power supply, isolate the accident area in time, quickly and accurately find the location of the accident, minimize the impact of the fault, and facilitate the inspection personnel to quickly select The fault line is convenient for the operator to take measures to deal with it in time, which greatly reduces the workload of the operator.
尽管结合优选实施方案具体展示和介绍了本实用新型，但所属领域的技术人员应该明白，在不脱离所附权利要求书所限定的本实用新型的精神和范围内，在形式上和细节上可以对本实用新型做出各种变化，均为本实用新型的保护范围。Although the utility model has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that, without departing from the spirit and scope of the utility model defined by the appended claims, changes in form and details may be made. Making various changes to the utility model is within the protection scope of the utility model.
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962838.3U CN206023196U (en) | 2016-08-27 | 2016-08-27 | A kind of intelligent switch with unidirectional ground connection direction protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962838.3U CN206023196U (en) | 2016-08-27 | 2016-08-27 | A kind of intelligent switch with unidirectional ground connection direction protection |
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| CN206023196U true CN206023196U (en) | 2017-03-15 |
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| CN201620962838.3U Expired - Fee Related CN206023196U (en) | 2016-08-27 | 2016-08-27 | A kind of intelligent switch with unidirectional ground connection direction protection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638469A (en) * | 2020-04-20 | 2020-09-08 | 广东电网有限责任公司 | Disconnection fault analysis and positioning method based on DMS system |
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- 2016-08-27 CN CN201620962838.3U patent/CN206023196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638469A (en) * | 2020-04-20 | 2020-09-08 | 广东电网有限责任公司 | Disconnection fault analysis and positioning method based on DMS system |
| CN111638469B (en) * | 2020-04-20 | 2022-07-26 | 广东电网有限责任公司 | Disconnection fault analysis and positioning method based on DMS system |
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Granted publication date: 20170315 Termination date: 20170827 |