CN204118486U - A kind of power distribution main electrical scheme system - Google Patents
A kind of power distribution main electrical scheme system Download PDFInfo
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- CN204118486U CN204118486U CN201420615595.7U CN201420615595U CN204118486U CN 204118486 U CN204118486 U CN 204118486U CN 201420615595 U CN201420615595 U CN 201420615595U CN 204118486 U CN204118486 U CN 204118486U
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Abstract
本实用新型所述的一种电力配电主接线系统，包括电源进线柜、计量装置和电源出线柜，所述电源进线柜的进线端与外部电源相连，电源进线柜的出线端经过母线与计量装置进线端相连，所述计量装置的出线端经过母线与电源出线柜的进线端相连，电源出线柜的出线端与变压器高压侧相连。本实用新型所述的电力配电系统，增加了计量装置，提高了配电网运行灵活性，改善了供电环境，同时满足区域供电考核需求；通过在计量装置内安装管理终端设备，方便在预装式箱式变电站运行的同时，对区域配电负荷考核进行统一管理，从而提高了供电效率及供电质量。
A power distribution main wiring system described in the utility model includes a power inlet cabinet, a metering device and a power outlet cabinet, the inlet end of the power inlet cabinet is connected to an external power supply, and the outlet end of the power inlet cabinet The metering device is connected to the incoming line end through the bus bar, the outgoing line end of the metering device is connected to the incoming line end of the power outlet cabinet through the bus bar, and the outgoing line end of the power outlet cabinet is connected to the high voltage side of the transformer. The power distribution system described in the utility model adds a metering device, improves the operation flexibility of the distribution network, improves the power supply environment, and meets the regional power supply assessment requirements at the same time; by installing management terminal equipment in the metering device, it is convenient While the installed box-type substation is in operation, the regional power distribution load assessment is uniformly managed, thereby improving the power supply efficiency and power supply quality.
Description
技术领域 technical field
本实用新型涉及公共补偿技术领域，特别涉及一种电力配电主接线系统。 The utility model relates to the technical field of public compensation, in particular to a power distribution main wiring system.
背景技术 Background technique
预装式箱式变电站，是集高压开关柜、变压器、低压开关柜于一体，并在制造厂内装配完成的预装式变电站。具有成套性强、体积小、占地少、能深入负荷中心、提高供电质量、减少线路损耗、缩短送电周期、选择灵活、对环境适应性强、安装方便、运行安全可靠及投资少及见效快等一系列优点；所以预装式箱式变电站有着广阔的使用范围，它适用于城市公共配电、高层建筑、住宅小区、公园、高速公路等，还适用于油田、工矿企业及施工场所等。在预装式箱式变电站的10 千伏高压侧，通常采用一台10 千伏进线开关柜和一台出线柜，组成一个完整的一次配电系统。但该配电系统无法满足配电计量要求，造成整个配电网运行起来不够灵活方便，给区域配电负荷考核带来不便。 Prefabricated box-type substation is a prefabricated substation that integrates high-voltage switchgear, transformer, and low-voltage switchgear and is assembled in the manufacturing plant. It has strong complete set, small size, less land occupation, can go deep into the load center, improve power supply quality, reduce line loss, shorten power transmission cycle, flexible selection, strong adaptability to the environment, convenient installation, safe and reliable operation, less investment and effective A series of advantages such as fast; so the prefabricated box-type substation has a wide range of applications, it is suitable for urban public power distribution, high-rise buildings, residential quarters, parks, highways, etc., and is also suitable for oil fields, industrial and mining enterprises and construction sites, etc. . On the 10 kV high-voltage side of the prefabricated box-type substation, a 10 kV incoming switchgear and an outgoing line cabinet are usually used to form a complete primary power distribution system. However, the power distribution system cannot meet the requirements of distribution metering, which makes the operation of the entire distribution network not flexible and convenient, and brings inconvenience to the regional distribution load assessment.
实用新型内容 Utility model content
本实用新型要解决的技术问题是提供一种电力配电主接线系统，该系统能够满足配电计量要求，提高了配电网运行灵活性，改善了供电环境，同时满足区域供电考核需求。 The technical problem to be solved by the utility model is to provide a power distribution main wiring system, which can meet the requirements of power distribution metering, improve the operation flexibility of the distribution network, improve the power supply environment, and meet the regional power supply assessment requirements at the same time.
为解决上述技术问题，本实用新型采用以下技术方案： In order to solve the above technical problems, the utility model adopts the following technical solutions:
一种电力配电主接线系统，包括电源进线柜、计量装置和电源出线柜，所述电源进线柜的进线端与外部电源相连，电源进线柜的出线端经过母线与计量装置进线端相连，所述计量装置的出线端经过母线与电源出线柜的进线端相连，电源出线柜的出线端与变压器高压侧相连；所述电源进线柜由第一带电显示器、避雷器和第一负荷开关组成，所述计量装置由电流互感器、第二带电显示器、第一熔断器和电压互感器组成，所述第一带电显示器和避雷器连接在电源进线柜内的进线端上，第一负荷开关串联在母线与进线端之间，所述电压互感器依次经过第一熔断器、电流互感器连接在电源进线柜和计量装置之间的母线上，所述第二带电显示器连接在电流互感器与第一熔断器之间，所述电源出线柜由负熔开关装置和第三带电显示器组成，该负熔开关装置的进线端经母线与第一熔断器相连，负熔开关装置的出线端经第三带电显示器与变压器高压侧相连。 A main wiring system for power distribution, comprising a power inlet cabinet, a metering device and a power outlet cabinet, the inlet end of the power inlet cabinet is connected to an external power supply, and the outlet end of the power inlet cabinet is connected to the metering device through a bus bar The outlet end of the metering device is connected to the inlet end of the power outlet cabinet through the busbar, and the outlet end of the power outlet cabinet is connected to the high voltage side of the transformer; A load switch, the metering device is composed of a current transformer, a second electrified indicator, a first fuse and a voltage transformer, and the first electrified indicator and lightning arrester are connected to the incoming line end in the power supply incoming line cabinet, The first load switch is connected in series between the bus bar and the incoming line terminal, the voltage transformer is connected to the bus bar between the power incoming line cabinet and the metering device through the first fuse and the current transformer in sequence, and the second charged display Connected between the current transformer and the first fuse, the power outlet cabinet is composed of a negative fuse switch device and a third electrified indicator, the incoming line end of the negative fuse switch device is connected to the first fuse through the bus bar, and the negative fuse switch device is connected to the first fuse. The outlet end of the switchgear is connected to the high-voltage side of the transformer through the third live display.
所述负熔开关装置由第二负荷开关、接地开关和第二熔断器经过固定的机械闭锁逻辑关系连接而成。 The negative fuse switch device is formed by connecting the second load switch, the grounding switch and the second fuse through a fixed mechanical locking logic relationship.
所述电流互感器和电压互感器之间还连接有一负荷管理终端装置。 A load management terminal device is also connected between the current transformer and the voltage transformer.
本实用新型的有益效果是： The beneficial effects of the utility model are:
1、本实用新型所述的电力配电系统，增加了计量装置，提高了配电网运行灵活性，改善了供电环境，同时满足区域供电考核需求。 1. The power distribution system described in this utility model adds a metering device, improves the operation flexibility of the distribution network, improves the power supply environment, and meets the regional power supply assessment requirements at the same time.
2、通过在计量柜内安装管理终端设备，方便在预装式箱式变电站运行的同时，对区域配电负荷考核进行统一管理，从而提高了供电效率及供电质量。 2. By installing management terminal equipment in the metering cabinet, it is convenient to conduct unified management of regional power distribution load assessment while the pre-installed box-type substation is in operation, thereby improving power supply efficiency and power supply quality.
3、本实用新型所述的电力配电主接线系统所包括的进线柜、计量装置、出线柜构成完整的一次配电系统，使预装式箱式变电站灵活可靠、适应性强的特点更为突出。 3. The incoming line cabinet, metering device, and outgoing line cabinet included in the power distribution main wiring system described in the utility model constitute a complete primary power distribution system, which makes the prefabricated box-type substation more flexible, reliable, and adaptable. for highlighting.
附图说明 Description of drawings
图1为本实用新型的系统图。 Fig. 1 is a system diagram of the utility model.
具体实施方式 Detailed ways
下面结合附图对本实用新型作进一步的描述。 Below in conjunction with accompanying drawing, the utility model is further described.
如图1所示，本实施例的电力配电主接线系统，包括电源进线柜1、计量装置2和电源出线柜3，电源进线柜1的进线端与外部电源相连，电源进线柜1的出线端经过母线与计量装置2进线端相连，计量装置2的出线端经过母线与电源出线柜3的进线端相连，电源出线柜3的出线端与变压器高压侧相连；电源进线柜1由第一带电显示器11、避雷器12和第一负荷开关13组成，计量装置2由电流互感器21、第二带电显示器22、第一熔断器23和电压互感器24组成，第一带电显示器11和避雷器12连接在电源进线柜1内的进线端上，第一负荷开关13串联在母线与进线端之间，电压互感器24依次经过第一熔断器23、电流互感器21连接在电源进线柜1和计量装置2之间的母线上，第二带电显示器22连接在电流互感器21与第一熔断器23之间，电源出线柜3由负熔开关装置31和第三带电显示器32组成，该负熔开关装置31的进线端经母线与第一熔断器23相连，负熔开关装置31的出线端经第三带电显示器32与变压器高压侧相连。 As shown in Figure 1, the power distribution main wiring system of this embodiment includes a power inlet cabinet 1, a metering device 2 and a power outlet cabinet 3, the inlet end of the power inlet cabinet 1 is connected to an external power supply, and the power inlet The outlet end of cabinet 1 is connected to the inlet end of metering device 2 through the bus bar, the outlet end of metering device 2 is connected to the inlet end of power outlet cabinet 3 through the bus bar, and the outlet end of power outlet cabinet 3 is connected to the high-voltage side of the transformer; the power inlet The line cabinet 1 is composed of a first charging indicator 11, a lightning arrester 12 and a first load switch 13. The metering device 2 is composed of a current transformer 21, a second charging indicator 22, a first fuse 23 and a voltage transformer 24. The first charging The display 11 and the lightning arrester 12 are connected to the incoming line end in the power incoming line cabinet 1, the first load switch 13 is connected in series between the bus bar and the incoming line end, and the voltage transformer 24 passes through the first fuse 23 and the current transformer 21 in sequence. Connected to the busbar between the power incoming cabinet 1 and the metering device 2, the second charged display 22 is connected between the current transformer 21 and the first fuse 23, and the power outgoing cabinet 3 is composed of a negative fuse switch device 31 and a third The charging indicator 32 is composed of the negative melting switch device 31 whose incoming line is connected to the first fuse 23 through the bus bar, and the negative melting switching device 31's outgoing line is connected to the high voltage side of the transformer through the third charged display 32 .
进一步的，负熔开关装置31由第二负荷开关、接地开关和第二熔断器经过固定的机械闭锁逻辑关系连接而成；电流互感器21和电压互感器24之间还连接有一负荷管理终端装置4。 Further, the negative melting switch device 31 is formed by connecting the second load switch, the grounding switch and the second fuse through a fixed mechanical locking logic relationship; a load management terminal device is also connected between the current transformer 21 and the voltage transformer 24 4.
本实用新型所述的电力配电系统，增加了计量装置，提高了配电网运行灵活性，改善了供电环境，同时满足区域供电考核需求。通过在计量装置内安装管理终端设备，方便在预装式箱式变电站运行的同时，对区域配电负荷考核进行统一管理，从而提高了供电效率及供电质量。在本实施例中电力配电主接线系统所包括的进线柜、计量柜、出线柜构成完整的一次配电系统，使预装式箱式变电站灵活可靠、适应性强的特点更为突出。 The power distribution system described in the utility model adds a metering device, improves the operation flexibility of the distribution network, improves the power supply environment, and satisfies the regional power supply assessment requirements at the same time. By installing management terminal equipment in the metering device, it is convenient to carry out unified management of regional power distribution load assessment while the prefabricated box-type substation is in operation, thereby improving power supply efficiency and power supply quality. In this embodiment, the incoming cabinet, metering cabinet, and outgoing cabinet included in the power distribution main wiring system constitute a complete primary power distribution system, which makes the prefabricated box-type substation more flexible, reliable, and adaptable.
Claims (3)
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| CN201420615595.7U CN204118486U (en) | 2014-10-23 | 2014-10-23 | A kind of power distribution main electrical scheme system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319639A (en) * | 2014-10-23 | 2015-01-28 | 国家电网公司 | Power distribution main wiring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104319639A (en) * | 2014-10-23 | 2015-01-28 | 国家电网公司 | Power distribution main wiring system |
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Granted publication date: 20150121 Termination date: 20191023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |