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Power grid black start system

A technology of black start and power grid, applied in the direction of electrical components, circuit devices, emergency power supply arrangements, etc., can solve the problems of production and life impact, insufficient energy storage, etc.

Pending Publication Date: 2022-06-07
ZHONGTIAN ENERGY STORAGE TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the peak period of power consumption, due to insufficient energy storage, some areas will be given priority to supply power, while other areas will be delayed
In this way, it will undoubtedly have an impact on production and life.

Method used

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  • Power grid black start system
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Embodiment Construction

[0033] In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.

[0034] The terms "first" and "second" in the description of the present application and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, m...

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Abstract

The power grid black start system comprises a liquid air storage tank for storing liquid air, and further comprises a liquid air processing unit connected with the liquid air storage tank through a first valve and used for processing the liquid air into gaseous air when the first valve is opened; the turbine generator is used for generating electricity to supply power to a power grid; the heater is connected between the liquid air treatment unit and the turbine generator and is used for heating air; the solar energy collection and storage unit is connected with the heater through a second valve and used for collecting and storing solar energy and providing heat for the heater when the second valve is opened; the standby battery unit is connected with the first valve and the second valve and used for controlling opening and closing of the first valve and the second valve. The power grid black-start system collects solar energy through the solar energy collection and storage unit and provides the solar energy to the heater, so that the air expansion rate is improved when the heater heats air, the generating capacity of the turbine generator is increased, and the power supply area during power grid black-start is expanded.

Description

technical field [0001] The present application relates to the technical field of power grid black start, and in particular, to a power grid black start system. Background technique [0002] Power grid black start refers to the process of gradually restoring the system to normal operation by starting the units without self-starting ability in the system through the units with self-starting capability in the system or external input power after the power system is out of service or disintegrated due to a fault. In the event of a large-scale power outage in the power grid, it is required to quickly restore the power supply. If the power supply cannot be restored within a short period of time, the national economy will suffer huge losses. How to complete the system reconstruction safely and quickly after a large-scale power outage has always been a key problem to be solved in the power industry. [0003] Hydroelectric units and gas-fired units have become the first choice for b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J9/06F01D15/10F01K25/10F03G6/00
CPCH02J3/381H02J9/06F01D15/10F01K25/10F03G6/00H02J2300/22H02J2300/40Y02E10/46Y02B10/70
Inventor 丁玉龙蔡肖雄张童童赵彦琦谭清武范宏军陆毅周炫名
Owner ZHONGTIAN ENERGY STORAGE TECH