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Local power supply dual-network distributed control system

A distributed control system and control system technology, applied in photovoltaic power generation, AC network load balancing, single-network parallel feeding arrangement, etc., can solve the problems of increasing the complexity and instability of the power supply system

Active Publication Date: 2013-12-11
北京绿贝区块链科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These have inadvertently increased the complexity and instability of the entire power supply system. How to solve the power supply stability of the power grid during peak hours and balance the power load as much as possible has become the key to solving power supply problems in the industry.

Method used

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Embodiment Construction

[0017] The present invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0018] For ease of description, spatially relative terms such as "upper," "lower," "left," and "right" may be used herein to describe the relationship of one element or feature relative to another element or feature shown in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described ...

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Abstract

The invention discloses a local power supply dual-network distributed control system which comprises a power storage part and an adjusting and controlling part. The power storage part comprises a hydropower station, a plurality of additional power supply networks and a plurality of photovoltaic power generating stations. The adjusting and controlling part comprises a plurality of control units, the control units belongs to different user terminals, the control units correspond to the photovoltaic power generating stations in a one-to-one mode, the additional power supply networks are connected with the hydropower station, and power is supplied to the additional power supply networks through the hydropower station. A dual-network power supply system is formed by a mains supply network and the additional power supply networks, when power is normally used, the user terminals are connected into the mains supply network to carry out power supply, the control units control the photovoltaic power generating stations to be connected with the hydropower station, and pumped storage is carried out through the power of the photovoltaic power generating stations. In the peak demand period, the hydropower station generates the power through water level altitude differences of an energy storage reservoir, and the user terminals are switched into the additional power supply networks to carry out power supply. According to the local power supply dual-network distributed control system, the problem that the power is insufficient in the peak demand period is solved, and implementing guarantees are provided for the distribution operation and unified management modes of the solar power generation grid connection application of large-scale user groups.

Description

technical field [0001] The invention relates to devices related to multi-network power supply, in particular to a dual-network centralized and distributed control system for local power supply. Background technique [0002] In the grid-connected application of solar power generation, the method of incorporating photovoltaic power inverter boost and solar thermal power boost is generally adopted. Since the scale of the domestic power grid has the characteristics of large unity, the grid-connected power The requirements are relatively strict, so expensive equipment needs to be purchased. However, the energy structure suitable for China's resources, geographical conditions and climate is precisely decentralized, non-unified, and decentralized control. In addition, in terms of electricity consumption time, the peak time occurs with seasons and different periods of the day. For example, the power consumption of air conditioners increases with the increase of temperature. These ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/46H02J3/28
CPCY02E10/56Y02E70/30
Inventor 薛黎明刘伯昂
Owner 北京绿贝区块链科技有限公司
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