Multi-energy complementary power generation system and power supply distribution method

A power generation system and distribution method technology, applied in the field of electric power, can solve the problems of multiple batteries, high cost, and inability to form a stable energy guarantee system with multi-energy complementarity, so as to achieve the effect of reducing consumption, reducing dependence, and improving energy utilization efficiency

Active Publication Date: 2016-02-24
青岛索迷尔能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main defect of the existing utilization mode is: the direct access of discontinuous power to the grid is still "garbage power"; if it is not connected to the grid, it ca

Method used

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  • Multi-energy complementary power generation system and power supply distribution method

Examples

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Example Embodiment

[0022] Example 1

[0023] Such as figure 1 Shown is a schematic diagram of the power generation system when the power grid exists. The power generation system 1 is connected to the power grid 2 and the electrical load 3. The power grid 2 provides three-phase AC power according to a given frequency F. The electrical load terminal 3 includes one or Multiple users use three-phase alternating current with frequency F.

[0024] The multi-energy complementary power generation system 1 includes a continuous generator set 4 and a discontinuous generator set. The continuous generator set 4 includes a generator 11, an engine 12 that drives the generator 11, a first inverter 14, and a second inverter. 15 and the power storage device 13. The power storage device 13 is a battery, such as a certain number of lead batteries, used to store DC power. The first inverter 11 is connected between the generator 11 and the power storage device 13 for use Since electrical energy flows between the genera...

Example Embodiment

[0038] Example 2

[0039] In this embodiment, the power generation system 1 operates in an off-grid state, that is, the power grid does not exist. The power generation system is the same as in Embodiment 1, and will not be repeated.

[0040] The power supply optimization distribution method of the multi-energy complementary power generation system includes the following steps:

[0041] 1) The power measuring device 7 connected to the back end of the second and third inverters and the front end of the user load measures the power supply PG of the continuous generator set, the power supply PS of the discontinuous generator set and the power consumption PL of the user load, And return the measured data to the controller 18;

[0042] 2) The controller judges whether the power supply PS of the discontinuous generator set can meet the power load 3. When the power grid does not exist, PN_out and PN_in are 0, so the power balance formula 1-1 is simplified to: PS+PG=PL( 1-2) According to for...

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Abstract

The invention discloses a multi-energy complementary power generation system and a power supply distribution method. The multi-energy complementary power generation system includes a continuous generator set and a discontinuous generator set, the continuous generator set is a conventional system that utilizes a generator to generate electricity, the discontinuous generator set is a system that utilizes various renewable resources to generate electricity, and the continuous generator set and the discontinuous generator set work in a complementary mode, thereby providing stable and continuous power supply. The method provided by the invention preferably utilizes electric power output generated by the discontinuous generator set, i.e., by local renewable energy sources, when the discontinuous generator set does not generate electricity or generated electricity is insufficient, electricity is supplemented by the continuous generator set, an on-line UPS function is achieved, and dependency on traditional energy is greatly reduced.

Description

technical field [0001] The invention relates to a multi-energy complementary power generation system and a power supply distribution method, belonging to the technical field of electric power. Background technique [0002] As we all know, in some areas that cannot be covered by the grid, that is, areas where there is no grid or the grid is insufficient to meet the electricity demand, such as remote rural areas, tourist attractions, islands, border posts, etc., there is a huge demand for small and medium power generation systems. The investment in laying power grid projects in these areas is huge. Using traditional methods such as diesel generators to generate electricity, the cost of power production is too high. Making full use of various renewable energy sources in these areas and combining them with traditional energy sources (such as diesel, natural gas, liquefied petroleum gas, etc.) to produce electricity while recycling waste heat from power generation is undoubtedly ...

Claims

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Application Information

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IPC IPC(8): H02J7/34H02J7/35H02J3/46F24J2/04
CPCY02E10/44H02J7/34F24S10/00H02J3/46H02J7/35
Inventor 包春光杨辰昊
Owner 青岛索迷尔能源科技有限公司
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