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Electric power system

A technology of power system and power supply, applied in the field of power system, to achieve the effect of high utilization rate, low cost and easy realization

Active Publication Date: 2014-09-24
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Limited by battery energy storage capacity and lifespan, this method is only suitable for low-level loads

Method used

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Embodiment Construction

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0019] figure 1 is a structural block diagram of a power system according to an embodiment of the present invention. Such as figure 1 As shown, the power system of the embodiment of the present invention includes: a first energy source 100, a second energy source 200, a load 300, a high-voltage transmission line 400, a substation 500, a low-voltage power distribution bus 600, a first feeder 700 and a second feeder 800. Wherein, the first energy power supply 100 and the second energy power supply 200 are used to jointly supply ...

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Abstract

The invention provides an electric power system which comprises a first energy power supply, a second energy power supply, a high-voltage transmission line, a transformer substation, a low-voltage distribution bus, a first feeder line and a second feeder line. The first energy power supply and the second energy power supply are used for providing power for a load in a joint mode. The first energy power supply transmits part of electric energy needed by the load to the low-voltage distribution bus through the high-voltage transmission line and the transformer substation. The first feeder line and the second feeder line are connected with the low-voltage distribution bus. The second feeder line is connected with the second energy power supply. The load is connected with the first feeder line and the second feeder line respectively and obtains part of electric energy provided by the first energy power supply through the first feeder line and the second feeder line and the other part of the needed electric energy from the second energy power supply through the second feeder line. According to the electric power system, according to real-time second energy power supply maximum power generation capacity and the load requirement, the output electricity amount of the second energy power supply and the first energy power supply is adjusted, system supply-demand balance is guaranteed, and the electric power system has the advantages of being high in efficiency, easy to achieve, low in cost and high in energy using rate.

Description

technical field [0001] The invention relates to the technical field of power generation and power supply, in particular to an electric power system. Background technique [0002] The traditional forms of power generation such as coal and oil are limited by natural resources, and it is difficult to meet the growing energy demand of mankind. At the same time, the use of traditional fossil energy has brought serious environmental pollution problems. Therefore, the future power supply must rely heavily on wind energy, Renewable energy sources such as solar energy. [0003] At present, the main utilization method of large-scale new energy power is: new energy power is boosted by a transformer and incorporated into a 220KV and above high-voltage transmission network, transmitted to the load area through the transmission line, and then distributed to end users by the distribution network. Affected by natural factors, new energy power is inherently uncertain. Out of consideration ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/06
Inventor 赵千川申颖李明扬
Owner TSINGHUA UNIV
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