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Low-voltage power distribution area identification method and power distribution area instrument

A low-voltage platform area and identification method technology, applied in the direction of instruments, measuring devices, measuring electricity, etc., can solve the problems of poor signal anti-interference ability, complex structure, poor portability, etc., and achieve improved detection stability, low power consumption, and absorption small effect

Inactive Publication Date: 2014-04-02
ZHEJIANG TUWEI ELECTRICITY TECH
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  • Abstract
  • Description
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Problems solved by technology

[0004] The purpose of the present invention is to provide a low-voltage station identification method, that is, an identification instrument, to solve the problems in the prior art that the system is large in size, complex in structure, poor in portability, poor in signal anti-interference ability, and prone to misidentification. to meet the actual needs of power users in low-voltage station areas for information collection and supervision and management of power consumption properties

Method used

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  • Low-voltage power distribution area identification method and power distribution area instrument
  • Low-voltage power distribution area identification method and power distribution area instrument
  • Low-voltage power distribution area identification method and power distribution area instrument

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Embodiment Construction

[0045] In order to understand the present invention more clearly, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0046] figure 1 It is a block diagram of the sending and receiving principle of the low-voltage platform area identification method of the present invention, figure 2 It is a structural diagram of the launcher of the platform identification device of the present invention. image 3 , Figure 4 , Figure 5 They are respectively the schematic circuit diagrams of the zero-crossing detection unit, the IGBT drive unit and the IGBT emission unit of the transmitter of the present invention. Image 6 It is a structural diagram of the receiver of the station area identification device of the present invention. Figure 7 It is a logic judgment diagram of the application of the station area identification device in the present invention to the voltage.

[0047] The invention provides a metho...

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Abstract

The invention relates to a low-voltage power distribution area identification method, comprising the steps that a transmitting terminal is used for injecting a strong power supply voltage pulse sequence into a power grid; a receiving terminal is used for identifying the power distribution area and the phase of the power grid through detecting the voltage pulse sequence. The invention further provides a low-voltage power distribution area identification instrument, which comprises a transmitting instrument and a receiving instrument, wherein the transmitting instrument is used for injecting the strong power supply voltage pulse sequence into the power grid; the receiving instrument is used for identifying the power distribution area and the phase of the power grid through detecting the voltage pulse sequence.

Description

technical field [0001] The invention belongs to the technical field of power electronics and the field of digital signal coding. The invention relates to a detection device for a low-voltage power network station area, in particular to a low-voltage station area identification method and a station area identification device. Background technique [0002] At present, the power supply company's confirmation and management of the nature of power consumption by power users is mostly based on the information on the power consumption application form of power users, but there is a lack of effective supervision of changes in the nature of power consumption and the real nature of power consumption by power users and management, and the power consumption inspection link also lacks effective detection methods for such situations; the existing low-voltage station area centralized copying system collects residents' electric energy information, and then performs statistical processing on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
Inventor 吴成才何少林张世元
Owner ZHEJIANG TUWEI ELECTRICITY TECH
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