CN205643687U - Electric energy metering device metering performance compares device - Google Patents
Electric energy metering device metering performance compares device Download PDFInfo
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Abstract
本实用新型公开了一种电能计量装置计量性能比对装置，包括本地母线柜和连接在本地母线柜上的被测系统，所述被测系统包括通过电压互感器连接在本地母线柜上的电能表和连接在本地母线柜与电能表之间的电流互感器，还包括比对系统和计量比对装置；所述比对系统包括比对电压互感器、比对电流互感器、比对电能表，所述比对电压互感器、比对电流互感器均连接在本地母线柜和比对电能表之间；所述比对电流互感器和电流互感器之间连接有可调负载；所述比对电能表和电能表均连接在计量比对装置上；其可对同一接线方式、同一负载运行情况下不同计量系统的计量差异进行测量。
The utility model discloses a metering performance comparison device of an electric energy metering device, which comprises a local bus cabinet and a measured system connected to the local bus cabinet. The measured system includes an electric energy meter connected to the local bus cabinet through a voltage transformer and The current transformer connected between the local bus cabinet and the electric energy meter also includes a comparison system and a measurement comparison device; the comparison system includes a comparison voltage transformer, a comparison current transformer, and a comparison electric energy meter. The comparison voltage transformer and the comparison current transformer are all connected between the local bus cabinet and the comparison electric energy meter; an adjustable load is connected between the comparison current transformer and the current transformer; the comparison electric energy Both the meter and the watt-hour meter are connected to the measurement comparison device; it can measure the measurement difference of different measurement systems under the same wiring mode and the same load operation condition.
Description
技术领域 technical field
本实用新型涉及计量性能比对装置领域，更具体的说是涉及一种电能计量装置计量性能比对装置。 The utility model relates to the field of metering performance comparison devices, in particular to a metering performance comparison device for electric energy metering devices.
背景技术 Background technique
电能计量装置涉及多种类型，为加强经营管理，大力节约能源，考核单位产品耗电量，制定电力消耗定额，提高经济效果，电能计量装置是必备的计量器具。 There are many types of electric energy metering devices. In order to strengthen operation and management, vigorously save energy, assess power consumption per unit of product, formulate power consumption quotas, and improve economic effects, electric energy metering devices are necessary measuring instruments.
电能计量装置由电流互感器、电压互感器、二次导线、电能表组成，不同的电流互感器、电压互感器、二次导线和电能表组成不同的计量系统，如三相三线计量系统由2台电流互感器、2台电压互感器、二次导线和电能表组成、三相四线计量系统由3台电流互感器、3台电压互感器、二次导线和电能表组成。而电能计量装置的计量性能是计量准确性和可靠性的重要指标，怎样实现对同一接线方式、同一负载运行情况下不同计量系统的计量差异进行测量是十分重要的。 The electric energy metering device is composed of current transformer, voltage transformer, secondary conductor and electric energy meter. Different current transformers, voltage transformers, secondary conductors and electric energy meters form different metering systems. For example, the three-phase three-wire metering system consists of 2 The three-phase four-wire metering system consists of 3 current transformers, 3 voltage transformers, secondary wires and energy meters. The metering performance of the electric energy metering device is an important indicator of metering accuracy and reliability. How to measure the metering differences of different metering systems under the same wiring mode and the same load operation is very important.
实用新型内容 Utility model content
本实用新型为了解决上述技术问题提供一种电能计量装置计量性能比对装置，其可对同一接线方式、同一负载运行情况下不同计量系统的计量差异进行测量。 In order to solve the above technical problems, the utility model provides a metering performance comparison device of an electric energy metering device, which can measure the metering difference of different metering systems under the same connection mode and the same load operation condition.
本实用新型通过下述技术方案实现： The utility model is realized through the following technical solutions:
一种电能计量装置计量性能比对装置，包括本地母线柜和连接在本地母线柜上的被测系统，所述被测系统包括通过电压互感器连接在本地母线柜上的电能表和连接在本地母线柜与电能表之间的电流互感器，还包括比对系统和计量比对装置； A metering performance comparison device for electric energy metering devices, comprising a local bus cabinet and a system under test connected to the local bus cabinet, the system under test including an electric energy meter connected to the local bus cabinet through a voltage transformer and connected to the local bus cabinet The current transformer between the energy meter and the comparison system and measurement comparison device are also included;
所述比对系统包括比对电压互感器、比对电流互感器、比对电能表，所述比对电压互感器、比对电流互感器均连接在本地母线柜和比对电能表之间； The comparison system includes a comparison voltage transformer, a comparison current transformer, and a comparison electric energy meter, and the comparison voltage transformer and the comparison current transformer are all connected between the local bus cabinet and the comparison electric energy meter;
所述比对电流互感器和电流互感器之间连接有可调负载； An adjustable load is connected between the comparison current transformer and the current transformer;
所述比对电能表和电能表均连接在计量比对装置上。 Both the comparison electric energy meter and the electric energy meter are connected to the measurement comparison device.
比对电压互感器、比对电流互感器、比对电能表即标准的电压互感器、标准的电流互感器和标准的电能表。比对电压互感器、比对电流互感器、比对电能表的准确度等级均分别比被试的电压互感器、比对电流互感器、比对电能表高至少两个准确度等级。比对电流互感器和电流互感器的电流可通过可调负载等方式获得，即可调负载连接在比对电流互感器和电流互感器上，通过改变可调负载的值，从而改变流过比对电流互感器和电流互感器的电流。 Comparison of voltage transformers, comparison of current transformers, and comparison of energy meters means standard voltage transformers, standard current transformers and standard energy meters. The accuracy levels of the comparison voltage transformer, comparison current transformer, and comparison energy meter are at least two accuracy levels higher than those of the tested voltage transformer, comparison current transformer, and comparison energy meter. The current of the comparison current transformer and the current transformer can be obtained by means of an adjustable load, that is, the adjustable load is connected to the comparison current transformer and the current transformer, and the flow ratio can be changed by changing the value of the adjustable load. current to current transformers and current transformers.
计量比对装置通过采集比对电能表和电能表的值对各表的计量差异进行测量。 The measurement comparison device measures the measurement difference of each meter by collecting and comparing the values of the electric energy meter and the electric energy meter.
作为优选，所述可调负载为升流器。 Preferably, the adjustable load is a current lifter.
作为优选，所述本地母线柜连接在操作控制台上。 Preferably, the local bus cabinet is connected to the operation console.
本实用新型与现有技术相比，至少具有如下的优点和有益效果： Compared with the prior art, the utility model has at least the following advantages and beneficial effects:
本实用新型的采用比对电压互感器、比对电流互感器、比对电能表即标准的电压互感器、标准的电流互感器和标准的电能表对数据进行测量并利用计量比对装置对其进行计量差异进行研究，以便于对其数据测量准确性进行研究。 The utility model uses comparison voltage transformers, comparison current transformers, and comparison electric energy meters, that is, standard voltage transformers, standard current transformers, and standard electric energy meters to measure data and utilize metering comparison devices to compare them. Conduct research on measurement differences to facilitate research on the accuracy of its data measurement.
附图说明 Description of drawings
此处所说明的附图用来提供对本实用新型实施例的进一步理解，构成本申请的一部分，并不构成对本实用新型实施例的限定。在附图中： The drawings described here are used to provide a further understanding of the embodiments of the utility model, constitute a part of the application, and do not constitute a limitation to the embodiments of the utility model. In the attached picture:
图1为本实用新型的原理框图。 Fig. 1 is a functional block diagram of the utility model.
具体实施方式 detailed description
为使本实用新型的目的、技术方案和优点更加清楚明白，下面结合实施例和附图，对本实用新型作进一步的详细说明，本实用新型的示意性实施方式及其说明仅用于解释本实用新型，并不作为对本实用新型的限定。 In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the examples and accompanying drawings. The schematic implementation of the utility model and its description are only used to explain the utility model Novelty, not as a limitation to the utility model.
实施例 Example
如图1所示一种电能计量装置计量性能比对装置，包括本地母线柜和连接在本地母线柜上的被测系统，所述被测系统包括通过电压互感器连接在本地母线柜上的电能表和连接在本地母线柜与电能表之间的电流互感器，其特征在于：还包括比对系统和计量比对装置， As shown in Figure 1, a metering performance comparison device for electric energy metering devices includes a local busbar cabinet and a system under test connected to the local busbar cabinet, and the system under test includes an electric energy meter connected to the local busbar cabinet through a voltage transformer and The current transformer connected between the local bus cabinet and the electric energy meter is characterized in that it also includes a comparison system and a measurement comparison device,
所述比对系统包括比对电压互感器、比对电流互感器、比对电能表，所述比对电压互感器、比对电流互感器均连接在本地母线柜和比对电能表之间； The comparison system includes a comparison voltage transformer, a comparison current transformer, and a comparison electric energy meter, and the comparison voltage transformer and the comparison current transformer are all connected between the local bus cabinet and the comparison electric energy meter;
所述比对电流互感器和电流互感器之间连接有可调负载，所述可调负载连接在220V市电上； An adjustable load is connected between the comparison current transformer and the current transformer, and the adjustable load is connected to the 220V mains;
所述比对电能表和电能表均连接在计量比对装置上。 Both the comparison electric energy meter and the electric energy meter are connected to the measurement comparison device.
比对电压互感器、比对电流互感器引入电能表的电流根据计量系统的不同可能三相接入，也可能仅接入A、C相。本实施例仅标识了比对电压互感器、比对电流互感器和一组被测计量系统，实际使用时，被测计量系统数量可按如上连接方式添加。 The current introduced into the electric energy meter by the comparison voltage transformer and the comparison current transformer may be connected in three phases or only in A and C phases according to different metering systems. This embodiment only identifies the comparison voltage transformer, comparison current transformer and a group of measured measurement systems. In actual use, the number of measured measurement systems can be added according to the above connection method.
所述可调负载为升流器。 The adjustable load is a current riser.
为了便于测量系统的安装，所述本地母线柜连接在操作控制台上，利用操作控制台对本地母线柜的运行进行控制，便于测量系统的安装。 In order to facilitate the installation of the measurement system, the local busbar cabinet is connected to the operation console, and the operation console is used to control the operation of the local busbar cabinet, which facilitates the installation of the measurement system.
以上所述的具体实施方式，对本实用新型的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本实用新型的具体实施方式而已，并不用于限定本实用新型的保护范围，凡在本实用新型的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。 The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501758A (en) * | 2016-12-02 | 2017-03-15 | 国网四川省电力公司电力科学研究院 | A kind of electric power meter metering performance Compare System and method |
| CN107677980A (en) * | 2017-09-30 | 2018-02-09 | 国网四川省电力公司电力科学研究院 | A kind of power distribution network transformer metering performance integration detection platform and method |
| CN109031182A (en) * | 2018-08-23 | 2018-12-18 | 国网江苏省电力有限公司电力科学研究院 | A kind of digitalized electric energy measuring equipment integrated test system and method |
| CN112710884A (en) * | 2021-01-13 | 2021-04-27 | 国网冀北电力有限公司唐山供电公司 | Tool and method for preventing electricity stealing |
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2016
- 2016-05-27 CN CN201620493492.7U patent/CN205643687U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501758A (en) * | 2016-12-02 | 2017-03-15 | 国网四川省电力公司电力科学研究院 | A kind of electric power meter metering performance Compare System and method |
| CN107677980A (en) * | 2017-09-30 | 2018-02-09 | 国网四川省电力公司电力科学研究院 | A kind of power distribution network transformer metering performance integration detection platform and method |
| CN107677980B (en) * | 2017-09-30 | 2019-12-10 | 国网四川省电力公司电力科学研究院 | An integrated detection platform and method for measurement performance of distribution network transformers |
| CN109031182A (en) * | 2018-08-23 | 2018-12-18 | 国网江苏省电力有限公司电力科学研究院 | A kind of digitalized electric energy measuring equipment integrated test system and method |
| CN112710884A (en) * | 2021-01-13 | 2021-04-27 | 国网冀北电力有限公司唐山供电公司 | Tool and method for preventing electricity stealing |
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