Novel alternative current high voltage acquisition circuit

A technology of acquisition circuit and high voltage, applied in the direction of measuring current/voltage, measuring electrical variables, measuring devices, etc., can solve the problems of complex secondary-side processing circuit, easy interference of signal transmission, and potential safety hazards, and achieves secondary The effect of sampling circuit safety, reducing interference links, and facilitating production and assembly

Inactive Publication Date: 2016-04-20
SHANGHAI GOODRUN ELECTRIC POWER TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

This new type of AC high pressure acquisition system uses tiny current transformer technology instead of traditional methods like enclosing them inside an electrical device or attaching wires between terminals for better safety measures. It also simplifies its design by eliminating any potential sources of noise from external connections while still allowing for accurate measurements over longer periods without disconnecting power supply. Overall this innovation improves efficiency and reliability during measurement operations.

Problems solved by technology

This patented technical problem addressed by this patents relates to current methods for acquiring high-voltage electrical power from traditional analog electricity converters (AEC) due to their vulnerability towards noise or other factors such as fluctuations caused during operation.

Method used

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  • Novel alternative current high voltage acquisition circuit
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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, its specific implementation will be described in detail below in conjunction with the accompanying drawings:

[0023] see figure 2 , the best embodiment of the present invention, a novel AC high voltage acquisition circuit, including high voltage resistor R 1 , miniature current transformer C T1 , an air gap protection device 6 and a secondary sampling circuit 5 . High voltage resistance R 1 with miniature current transformer C T1 The primary coils are connected in series; the air gap protection device 6 is connected to the miniature current transformer C T1 Between the two ends of the primary coil; miniature current transformer C T1 One end of the primary coil is grounded. The secondary sampling circuit 5 is connected to the miniature current transformer C T1 Between the two ends of the secondary coil; the secondary sampling circuit 5 includes a capaci

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Abstract

The invention discloses a novel alternative current high voltage acquisition circuit which comprises a high voltage resistor, a micro-transformer of current, an air gap protection device and a resampling circuit, wherein the high voltage resistor is connected in series with a primary coil of the micro-transformer of current, the air gas protection device is connected between two ends of the primary coil of the micro-transformer of current, and the resampling circuit is connected between the two ends of a secondary coil of the micro-transformer of current. The novel alternative current high voltage acquisition circuit firstly converts primary high voltage into weak current signals, and then samples the weak current signals and converts the signals into secondary low voltage signals in such a manner that the structure of a secondary circuit is simpler. In addition, primary voltage is isolated from secondary voltage. Furthermore, current signals are transmitted between the primary voltage and the secondary voltage, and high resistance to interference is achieved.

Description

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Claims

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Application Information

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Owner SHANGHAI GOODRUN ELECTRIC POWER TECH
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