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New energy direct-current power utilization and distribution system

A power distribution system and new energy technology, which is applied in general control systems, AC network circuits, control/regulation systems, etc., to achieve the effect of increasing the efficiency of power grid access

Pending Publication Date: 2022-01-07
南京科标技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a new energy DC power consumption and power distribution system, which solves the existing technical problems

Method used

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  • New energy direct-current power utilization and distribution system

Examples

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Effect test

Embodiment 1

[0021] Example 1, see figure 1 , the present invention provides a technical solution: a new energy DC power consumption and power distribution system, including a PLC controller 1, a mains power supply 1 2, a photovoltaic power supply 3, a mains power supply 2 4 and a lighting system 13, the mains power supply The power supply 2 4 is electrically connected to the access port of the AC / DC converter 5, the rated power of the AC / DC converter 5 is 5kw, and the output port of the AC / DC converter 5 passes through the access port of the mains contactor 6 The transmission line is electrically connected, the output port of the mains contactor 6 is electrically connected to the lighting system 13 through the transmission line, the photovoltaic power supply 3 and the access port of the photovoltaic converter 7 are electrically connected through the transmission line, and the rated power of the photovoltaic converter 7 5kw, the output port of the photovoltaic converter 7 is electrically c...

Embodiment 2

[0025] Example 2, see figure 1 , the present invention provides a technical solution, a new energy DC power consumption and power distribution system. Compared with Embodiment 1, the difference is that the PLC controller 1 is connected with a host computer 11 through a data line, and the host computer 11 The working state of the photovoltaic inverter 10 configured with automatic switching and the working state of the mains contactor 6 and photovoltaic contactor 8, and the mains contactor 6, photovoltaic contactor 8 and grid-connected contactor 9 are all equipped with signal feedback devices , and each signal feedback device is connected to the serial port of the PLC controller 1 for communication, the AC / DC converter 5 is connected to a voltage transmitter and a current transmitter 12, and the photovoltaic converter 7 is connected to a voltage transmitter and a current transmitter The voltage transmitter 12 and the photovoltaic inverter 10 are connected with a voltage transmit...

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PUM

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Abstract

The invention belongs to the technical field of the new energy power distribution system, discloses a new energy direct-current power utilization and power distribution system. The system comprises a PLC, a first mains supply, a photovoltaic power generation power supply, a second mains supply and a lighting system; the second mains supply is electrically connected with an input port of an AC / DC converter; the output port of the AC / DC converter is electrically connected with an input port of a mains supply contactor through a power transmission line; an output port of the mains supply contactor is electrically connected with the lighting system through a power transmission line; the photovoltaic power generation power supply is electrically connected with an input port of a photovoltaic converter through a power transmission line; and an output port of the photovoltaic converter is electrically connected with an input port of the photovoltaic contactor through a power transmission line. During operation, the PLC automatically switches the working states of the mains supply contactor and the photovoltaic contactor according to the operation states of the lighting system and electric equipment, so that the electric energy distribution of the photovoltaic power generation power supply and the mains supply power supplies is more reasonable.

Description

technical field [0001] The invention belongs to the technical field of new energy power distribution systems, and in particular relates to a new energy DC power consumption and power distribution system. Background technique [0002] New energy generally refers to renewable energy that is developed and utilized on the basis of new technologies, including solar energy, biomass energy, wind energy, geothermal energy, wave energy, ocean current energy, and tidal energy, as well as thermal cycles between the ocean surface and deep layers, etc. In addition, there are hydrogen energy, biogas, alcohol, methanol, etc., and coal, oil, natural gas, water energy and other energy sources that have been widely used are called conventional energy sources. With the limitation of conventional energy and the increasingly prominent environmental problems, new energy with the characteristics of environmental protection and renewable has attracted more and more attention from all countries. ...

Claims

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Application Information

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IPC IPC(8): H02J9/06H02J3/38G05B19/05G06F11/32G11B31/00
CPCH02J9/061H02J3/381G05B19/054G06F11/323G11B31/00H02J2300/24Y02E10/56Y02B10/70
Inventor 喻辉石清
Owner 南京科标技术有限公司
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