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Electric energy metering device

An energy metering device and voltage technology, which is applied in the direction of measuring device, measuring electrical variable, measuring time integration, etc., can solve the problems of interference current, voltage signal measurement, inconvenient maintenance work, complicated wiring method, etc. The effect of facilitating wiring and compressing the current wiring space

Inactive Publication Date: 2013-04-24
DAZHOU POWER BUREAU SICHUAN ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wiring method of the existing electric energy metering device is complex, which interferes with the measurement of current and voltage signals; and multiple sets of voltage and current lines are likely to cause confusion in the wiring, and the wiring space is large, which brings inconvenience to maintenance work

Method used

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  • Electric energy metering device
  • Electric energy metering device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] An electrical energy metering device such as figure 1 , figure 2 The shown cabinet 2 is provided with a processor 4 and a control unit 3 connected to the processor, and a voltage transformer 13 is provided above the control unit 3 on the cabinet, and the voltage input terminal of the control unit is connected to the voltage provided on the cabinet. Terminal 15, the voltage terminal 15 is connected to the secondary winding of the voltage transformer 13, and the primary winding of the voltage transformer 13 is connected to the voltage incoming terminal 11 provided on the cabinet.

Embodiment 2

[0026] An electrical energy metering device such as figure 1 , figure 2 As shown, it includes a cabinet 2 and a cabinet door 1, the cabinet 2 is provided with a processor 4 and a control unit 3 connected to the processor 4, the control unit 3 is also connected with an attached table, and the control unit 3 is provided with A voltage input terminal 12 and a voltage output terminal 14, the voltage input terminal 12 is connected to the voltage terminal 15 of the processor 4, the voltage output terminal 14 is connected to the voltage transformer 13 above the control unit 3, and the voltage transformer 13 is connected to the voltage incoming terminal 11, and the voltage incoming terminal 11 includes eight voltage loops;

[0027] The control unit 3 is connected to the schedule through a current transformer, and the schedule includes four schedules, and each schedule includes six current loops; the processor 4 is connected to the first schedule 5, and the first schedule Schedule ...

Embodiment 3

[0029] An electrical energy metering device such as figure 1 , figure 2 As shown, it includes a cabinet 2 and a cabinet door 1, the cabinet 2 is provided with a processor 4 and a control unit 3 connected to the processor 4, the control unit 3 is also connected with an attached table, and the control unit 3 is provided with A voltage input terminal 12 and a voltage output terminal 14, the voltage input terminal 12 is connected to the voltage terminal 15 of the processor 4, the voltage output terminal 14 is connected to the voltage transformer 13 above the control unit 3, and the voltage transformer 13 is connected to the voltage incoming terminal 11, and the voltage incoming terminal 11 includes eight voltage loops;

[0030] The control unit 3 is connected to the schedule through a current transformer, and the schedule includes four schedules, and each schedule includes six current loops; the processor 4 is connected to the first schedule 5, and the first schedule Schedule ...

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PUM

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Abstract

Disclosed is an electric energy metering device. A processor and a control unit connected with the processor are arranged on a machine cabinet. A voltage transformer is arranged above the control unit on the machine cabinet. A voltage input end of the control unit is connected with a voltage binding post arranged on the machine cabinet. The voltage binding post is connected with a secondary winding of the voltage transformer. The voltage transformer is connected with a voltage wire inlet terminal arranged on the machine cabinet. The processor, the control unit and the voltage transformer are installed in the machine cabinet, the voltage transformer is arranged above the control unit, and high voltage passes through the voltage transformer through the voltage wire inlet terminal, and then is input to the control unit through the voltage binding post. The whole distribution is convenient for wire distribution and wire connection, current wire distribution space is compressed, and meanwhile metering interference is reduced, and accuracy of detected data is improved.

Description

technical field [0001] The invention relates to electric energy metering equipment, in particular to a cabinet type electric energy metering device. Background technique [0002] With the progress and deepening of the reform of the power enterprise system, the assessment of economic benefits is becoming more and more important, and an important part of it is to ensure the accuracy and reliability of electric energy measurement. Power plants and power supply enterprises, power supply enterprises and power consumption enterprises all use electric energy metering devices to carry out electricity settlement. The wiring method of the existing electric energy metering device is complex, which interferes with the measurement of current and voltage signals; moreover, multiple groups of voltage and current lines are likely to cause confusion in the wiring, and the wiring space is large, which brings inconvenience to the maintenance work. Contents of the invention [0003] The obje...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R22/00G01R11/04
Inventor 张百祥冉涛彭雷李云弋松立陈长安
Owner DAZHOU POWER BUREAU SICHUAN ELECTRIC POWER
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