Photovoltaic grid-connected information meter reading system

A meter reading system and photovoltaic technology, applied in signal transmission systems, electrical signal transmission systems, instruments, etc., can solve the problems of complex SIM card management and high traffic costs, and achieve strong spectrum adaptability, strong real-time performance, and low operating costs. Effect

Inactive Publication Date: 2018-02-09
STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JIAXING POWER SUPPLY CO
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Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of high traffic cost and complicated SIM card management in the remote meter reading mode of the public network GPRS electric power private network, and to provide a photovoltaic grid-connected information transmission system

Method used

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  • Photovoltaic grid-connected information meter reading system

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Embodiment Construction

[0020] The technical solutions of the present invention will be further specifically described below through specific embodiments and in conjunction with the accompanying drawings.

[0021] A photovoltaic grid-connected information meter reading system, such as figure 1 As shown, it includes a photovoltaic grid-connected box 3 equipped with an electric meter 32, and also includes an LTE230 electric power private network transmission network 2, and a power packet core network 1; the photovoltaic grid-connected box 3 also includes a wireless network meter reading system 31; the electric meter 32 and the wireless network The meter reading system 31 is connected; the wireless network meter reading system 31 is wirelessly connected to the LTE230 private electric power network transmission network 2 through 230MHz radio waves; carrier interface. The LTE230 electric private network transmission network 2 can manage multiple photovoltaic grid-connected boxes 31 .

[0022] The meter ...

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Abstract

The invention discloses a photovoltaic grid-connected information meter reading system. The system comprises a photovoltaic grid-connected box with an electric meter, an LTE230 power private network transmission network and a power packet core network. The photovoltaic grid-connected box comprises a wireless network meter reading system. The electric meter is connected to the wireless network meter reading system. The wireless network meter reading system is connected to the LTE230 power private network transmission network in a wireless connection way through 230 MHz radio wave. The LTE230 power private network transmission network is connected to the power packet core network through optical fibers. The system utilizes LTE wireless private network 230 MHz communication frequency to carryout remote transmission of collected data and can acquire a better obstacle diffraction capability, a wider covering range and a lower operation cost compared with the data transmission using the public communication frequency.

Description

technical field [0001] The invention relates to the technical field of photovoltaic power generation systems, in particular to a photovoltaic grid-connected information meter reading system. Background technique [0002] Photovoltaic power generation system is a kind of power generation system that uses distributed photovoltaic power source nearby on the user side to convert solar energy into direct current, and then converts it into alternating current for direct use by users and access to the power grid. effective supplement. [0003] At present, the real-time information collection of electric energy meters mainly adopts the remote meter reading method based on the public network GPRS electric power private network. Remote meter reading based on the GPRS public network will continuously generate traffic charges. Due to the huge number of electric energy meters, huge charges will be generated every month. In addition, the use of GPRS must use a physical SIM card, because ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C17/02G08C19/00
CPCG08C17/02G08C19/00
Inventor 唐昕
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JIAXING POWER SUPPLY CO
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