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Electronic mutual inductor with anti-stealing electricity function

An electronic transformer and anti-stealing technology, which is applied in the direction of inductors, voltage/current isolation, circuits, etc., can solve the problems of not having anti-stealing, improve accuracy and reliability, eliminate errors, and avoid stealing electricity effect of behavior

Inactive Publication Date: 2007-11-07
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing electronic transformers do not have the function of anti-stealing

Method used

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  • Electronic mutual inductor with anti-stealing electricity function
  • Electronic mutual inductor with anti-stealing electricity function
  • Electronic mutual inductor with anti-stealing electricity function

Examples

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Embodiment Construction

[0036] The electronic transformer with anti-stealing function proposed by the present invention has a structural block diagram as shown in Figure 1, including: a sensor head for measuring voltage / current, a self-powered power supply module, a signal processing module and an anti-stealing metering module. Self-powered power module The self-powered power module is connected to the signal processing module, and is used to provide a regulated power supply for the signal processing module. The voltage / current sensing head is connected to the signal processing module to detect the user's voltage and current signals, output optical or electrical signals proportional to the voltage and current, and provide voltage and current signals to the signal processing module. The signal processing module is used to convert the analog output of voltage and current through photoelectric conversion, amplification, shaping and filtering to obtain analog signals representing user voltage and current...

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Abstract

This invention relates to an electronic mutual inductor including a voltage / current sensing head, a self-supplied module, a signal process module and an electricity-stealing-proof measurement module, in which, the self-supplied module is used in providing regulated supply for the signal process module, the voltage / current sensing head is used in testing voltage current signals of users, the signal process module is used in processing and outputting analog signals of voltage and current and the electricity-stealing proof module is used in computing electro and net information of users to be transmitted in the way of wireless to be recovered at the terminal.

Description

technical field [0001] The invention relates to an electronic transformer with an anti-stealing function, which belongs to the field of high-voltage equipment and electronic technology. Background technique [0002] Accurate and reliable electricity metering is a prerequisite for safe and stable operation of power systems and electricity market transactions. The current metering system is mainly composed of electromagnetic transformers (including voltage transformers PT and current transformers CT) and meters. The transformer inputs the analog signal representing the fundamental voltage, current magnitude and phase into the meter, which calculates the current power consumption. This metering method brings an opportunity for stealers. Electric energy measurement is mainly determined by the product of voltage, current, power factor and time. Changing any element can make the electric energy meter run slowly, stop or even Inversion, thus affecting the accurate measurement of ...

Claims

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Application Information

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IPC IPC(8): H01F38/20G01R15/18
Inventor 张贵新陈永山耿华
Owner TSINGHUA UNIV
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