CN203178474U - Intelligent electric-energy-meter fast transient pulse group test equipment - Google Patents
Intelligent electric-energy-meter fast transient pulse group test equipment Download PDFInfo
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- CN203178474U CN203178474U CN 201320149254 CN201320149254U CN203178474U CN 203178474 U CN203178474 U CN 203178474U CN 201320149254 CN201320149254 CN 201320149254 CN 201320149254 U CN201320149254 U CN 201320149254U CN 203178474 U CN203178474 U CN 203178474U
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Abstract
本实用新型涉及一种智能电能表快速瞬变脉冲群试验设备，用于检测智能电能表在快速瞬变脉冲群下的准确度，该设备包括操作台、耦合器、电压源、电流源及脉冲发生器，智能电能表设在操作台上，耦合器设在操作台上，耦合器与智能电能表通过电缆连接，电压源分别与智能电能表及耦合器连接，电流源与智能电能表连接，脉冲发生器的一端与耦合器连接，脉冲发生器的另一端连接地。与现有技术相比，本实用新型结构简单、操作方便，能够准确的检测智能电能表在快速瞬变脉冲群下的准确度。
The utility model relates to a fast transient pulse group test equipment for an intelligent electric energy meter, which is used for testing the accuracy of the intelligent electric energy meter under the fast transient pulse group. The generator, the smart electric energy meter is set on the console, the coupler is set on the console, the coupler and the smart electric energy meter are connected by cables, the voltage source is connected with the smart electric energy meter and the coupler respectively, and the current source is connected with the smart electric energy meter. One end of the pulse generator is connected to the coupler, and the other end of the pulse generator is connected to the ground. Compared with the prior art, the utility model has simple structure and convenient operation, and can accurately detect the accuracy of the intelligent electric energy meter under the fast transient pulse group.
Description
技术领域technical field
本实用新型涉及一种电能表试验设备，尤其是涉及一种智能电能表快速瞬变脉冲群试验设备。The utility model relates to an electric energy meter test equipment, in particular to an intelligent electric energy meter fast transient pulse group test equipment.
背景技术Background technique
针对目前电能表、电力用户用电信息采集系统在检定、检验体系中存在的问题，在进一步完善相关标准体系的同时，制定可操作性强的配套试验方法，明确应开展的试验项目，针对不同的试验项目提出各类试验设备的技术要求，提升试验工作能力，以满足用智能电能表大量应用和电信息采集系统大规模建设对计量中心检定、检测工作提出的要求。In view of the problems existing in the verification and inspection system of the current electric energy meter and the electricity consumption information collection system of power users, while further improving the relevant standard system, formulate a supporting test method with strong operability, clarify the test items that should be carried out, and aim at different The test project puts forward the technical requirements of various test equipment and improves the test work ability to meet the requirements for the verification and testing of the measurement center with the large-scale application of smart energy meters and the large-scale construction of electrical information collection systems.
目前电能表产品在脉冲群干扰下引起准确度变化的测试(即脉冲群影响量试验)，一般试验装置复杂，试验操作繁琐，寻求一种装置简单，操作方便的智能电能表快速瞬变脉冲群试验设备就显得极为重要。At present, the test of the accuracy change caused by the electric energy meter product under the interference of the pulse group (that is, the test of the pulse group influence quantity) generally has complicated test devices and cumbersome test operations. It is necessary to seek a fast transient pulse group of smart electric energy meters with simple devices and convenient operation. Test equipment is extremely important.
实用新型内容Utility model content
本实用新型的目的就是为了克服上述现有技术存在的缺陷而提供一种结构简单、试验方便、准确的智能电能表快速瞬变脉冲群试验设备。The purpose of this utility model is to provide a fast transient pulse group test equipment for intelligent electric energy meters with simple structure, convenient test and accuracy in order to overcome the above-mentioned defects in the prior art.
本实用新型的目的可以通过以下技术方案来实现：The purpose of this utility model can be achieved through the following technical solutions:
一种智能电能表快速瞬变脉冲群试验设备，用于检测智能电能表在快速瞬变脉冲群下的准确度，该设备包括操作台、耦合器、电压源、电流源及脉冲发生器，所述的智能电能表设在操作台上，所述的耦合器设在操作台上，耦合器与智能电能表通过电缆连接，所述的电压源分别与智能电能表及耦合器连接，所述的电流源与智能电能表连接，所述的脉冲发生器的一端与耦合器连接，脉冲发生器的另一端连接地。A smart electric energy meter fast transient burst test equipment, used to test the accuracy of the smart electric energy meter under the fast transient burst, the equipment includes an operating table, coupler, voltage source, current source and pulse generator The smart electric energy meter described above is set on the console, the coupler is arranged on the console, the coupler is connected to the smart electric energy meter through a cable, the voltage source is respectively connected to the smart electric energy meter and the coupler, and the described The current source is connected with the smart electric energy meter, one end of the pulse generator is connected with the coupler, and the other end of the pulse generator is connected with the ground.
所述的智能电能表与操作台之间通过铝板及绝缘底座隔开。The smart electric energy meter is separated from the operating table by an aluminum plate and an insulating base.
通过电压源及电流源为待测智能电能表电压线路、辅助线路通以参比电压，电流线路通以基本电流，分别在功率因数1.0和0.5L两点测量误差。Through the voltage source and current source, the reference voltage is passed to the voltage circuit and the auxiliary circuit of the smart energy meter to be tested, and the basic current is passed to the current circuit, and the error is measured at two points of power factor 1.0 and 0.5L respectively.
控制脉冲发生器发出干扰信号，干扰信号以共模方式分别作用在电压线路、电流线路和辅助线路上。电压线路和电流线路干扰电压4kV，参比电压超过40V的辅助线路干扰电压2kV；每一极性施加60s，在干扰情况下测量相同点误差；误差的改变应在相应标准规定的极限内。在试验时功能或性能有短暂的降低或失去是容许的。仪表准确度应在相应标准规定的极限内。The control pulse generator sends an interference signal, and the interference signal acts on the voltage line, the current line and the auxiliary line respectively in a common mode. The interference voltage of the voltage line and the current line is 4kV, and the interference voltage of the auxiliary line with a reference voltage exceeding 40V is 2kV; each polarity is applied for 60s, and the error of the same point is measured under the interference condition; the change of the error should be within the limit specified by the corresponding standard. A transient reduction or loss of function or performance during testing is acceptable. Meter accuracy should be within the limits specified by the appropriate standard.
与现有技术相比，本实用新型结构简单、操作方便，能够准确的检测智能电能表在快速瞬变脉冲群下的准确度。Compared with the prior art, the utility model has simple structure and convenient operation, and can accurately detect the accuracy of the intelligent electric energy meter under the fast transient pulse group.
附图说明Description of drawings
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
图中，1 为操作台，2 为智能电能表，3 为耦合器，4 为脉冲发生器，5 为电压源，6 为电流源。In the figure, 1 is the console, 2 is the smart energy meter, 3 is the coupler, 4 is the pulse generator, 5 is the voltage source, and 6 is the current source.
具体实施方式Detailed ways
下面结合附图和具体实施例对本实用新型进行详细说明。The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
实施例Example
一种智能电能表快速瞬变脉冲群试验设备，如图1所示，用于检测智能电能表2在快速瞬变脉冲群下的准确度，该设备包括操作台1、耦合器3、电压源5、电流源6及脉冲发生器4，智能电能表2通过铝板及绝缘底座设在操作台1上，耦合器3设在操作台1上，耦合器3与智能电能表2通过电缆连接，电压源5分别与智能电能表2及耦合器3连接，电流源6与智能电能表2连接，脉冲发生器4的一端与耦合器3连接，脉冲发生器4的另一端连接地。A smart electric energy meter fast transient burst test equipment, as shown in Figure 1, is used to detect the accuracy of the smart
通过电压源5及电流源6为待测智能电能表2电压线路、辅助线路通以参比电压，电流线路通以基本电流，分别在功率因数1.0和0.5L两点测量误差。控制脉冲发生器4发出干扰信号，干扰信号以共模方式分别作用在电压线路、电流线路和辅助线路上。Through the voltage source 5 and the
电压线路和电流线路干扰电压4kV，参比电压超过40V的辅助线路干扰电压2kV；每一极性施加60s，在干扰情况下测量相同点误差；误差的改变应在相应标准规定的极限内。在试验时功能或性能有短暂的降低或失去是容许的。仪表准确度应在相应标准规定的极限内。The interference voltage of the voltage line and the current line is 4kV, and the interference voltage of the auxiliary line with a reference voltage exceeding 40V is 2kV; each polarity is applied for 60s, and the error of the same point is measured under the interference condition; the change of the error should be within the limit specified by the corresponding standard. A transient reduction or loss of function or performance during testing is acceptable. Meter accuracy should be within the limits specified by the appropriate standard.
上述的对实施例的描述是为便于该技术领域的普通技术人员能理解和应用本实用新型。熟悉本领域技术的人员显然可以容易地对这些实施例做出各种修改，并把在此说明的一般原理应用到其他实施例中而不必经过创造性的劳动。因此，本实用新型不限于这里的实施例，本领域技术人员根据本实用新型的揭示，不脱离本实用新型范畴所做出的改进和修改都应该在本实用新型的保护范围之内。The above description of the embodiments is for those of ordinary skill in the technical field to understand and apply the utility model. It is obvious that those skilled in the art can easily make various modifications to these embodiments, and apply the general principles described here to other embodiments without creative effort. Therefore, the utility model is not limited to the embodiments here, and improvements and modifications made by those skilled in the art according to the disclosure of the utility model without departing from the category of the utility model should be within the protection scope of the utility model.
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| CN 201320149254 CN203178474U (en) | 2013-03-28 | 2013-03-28 | Intelligent electric-energy-meter fast transient pulse group test equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558580A (en) * | 2013-11-14 | 2014-02-05 | 国家电网公司 | System and method for detecting surge immunity of electric energy meter |
| CN103616659A (en) * | 2013-12-02 | 2014-03-05 | 国家电网公司 | Automatic reliability test device and method for intelligent ammeters under circumstance of instant voltage interruption |
| CN105093162A (en) * | 2015-08-07 | 2015-11-25 | 国家电网公司 | Method and device for calibrating measurement error of electric energy meter under pulse train interference condition |
-
2013
- 2013-03-28 CN CN 201320149254 patent/CN203178474U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558580A (en) * | 2013-11-14 | 2014-02-05 | 国家电网公司 | System and method for detecting surge immunity of electric energy meter |
| CN103616659A (en) * | 2013-12-02 | 2014-03-05 | 国家电网公司 | Automatic reliability test device and method for intelligent ammeters under circumstance of instant voltage interruption |
| CN103616659B (en) * | 2013-12-02 | 2016-08-17 | 国家电网公司 | Intelligent electric energy meter transient voltage interrupts automatic testing equipment and the method for lower reliability |
| CN105093162A (en) * | 2015-08-07 | 2015-11-25 | 国家电网公司 | Method and device for calibrating measurement error of electric energy meter under pulse train interference condition |
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