Power grid frequency modulation system and method based on electrolytic hydrogen production

A grid dispatching and grid frequency technology, applied in the direction of AC network load balancing, greenhouse gas reduction, energy storage, etc., can solve the problems of large fossil fuels, consumption, etc., to increase peak-shaving capacity, increase load range, and achieve low load The effect of stable combustion

Pending Publication Date: 2018-05-11
HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although steam reforming of methane is currently the most economical method for producing hydrogen, it not only consumes a lot of fossil fuels but also produces a lot of carbon dioxide in the production process

Method used

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  • Power grid frequency modulation system and method based on electrolytic hydrogen production

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] like figure 1 as shown, figure 1 A schematic diagram of a power grid frequency regulation system based on electrolytic hydrogen production used in a thermal power plant is shown. The technical solutions of the present invention will be described in detail below according to specific embodiments.

[0029] The power grid frequency regulation system based on electrolytic hydrogen production involved in this embodiment includes a power grid dispatching platform 1 and a regulating unit, the regulating unit can be placed on the power generation side, can also be placed on the load side, and can also be arranged on both the power generation side and the load side, The power grid dispatching platform 1 is configured to issue power grid frequency regulation commands to power stations on the power generation side and power consumption user terminals on the load side in a certain area. Specifically, the power grid dispatching platform 1 is configured to detect grid frequency chan...

Embodiment 2

[0039] like figure 1 As shown, the basic structure of this facility example is similar to that of Example 1, the difference is that in the power grid frequency regulation system based on electrolytic hydrogen production, a fuel cell power generation device 4 is also provided on the power generation side, specifically by controlling the fuel cell power generation device 4 to increase Power generation, that is to say, in this embodiment, the electrolytic hydrogen production device 2 can also be combined with the fuel cell power generation device 4 to realize power generation frequency regulation. More specifically, in the thermal power plant, the fuel cell power generation device 4 can be connected to the power supply connection 5 at the power plant side, and at the load side, the fuel cell power generation device 4 is connected to the power grid by connecting to the load side power grid connection 6 .

[0040] In this embodiment, the fuel cell power generation device 4 may be a...

Embodiment 3

[0043] like figure 1 As shown, the basic structure of this facility example is similar to that of Embodiment 1, and the difference is that a load-side frequency modulation control module 8 and a regulating unit are provided on the load side, wherein the load-side frequency modulation control module 8 is used to respond to load change instructions and control electrolytic hydrogen production The operation of the device 2 adjusts the power load on the load side, so that the frequency of the power grid remains at a certain level. Wherein, on the load side, the electrolytic hydrogen production device 2 is connected to the load side power grid connection 6, and the load side power grid connection 6 is connected to the power grid, and the power grid provides the electrolytic hydrogen production device 2 with electric power for the realization of hydrogen production by electrolysis of water.

[0044] When adjusting, when the grid dispatching platform 1 issues an instruction to increa...

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Abstract

The invention discloses a power grid frequency modulation system and method based on electrolytic hydrogen production, and the system comprises a power grid scheduling platform, a frequency modulationcontrol module located at a power generation side and / or a load side, and an adjustment unit. The adjustment unit comprises an electrolytic hydrogen production device and a hydrogen storage device, and the power grid scheduling platform is configured to be used for detecting the frequency changes of a power grid, carrying out the load control of power generation or power consumption according toa power grid frequency modulation instruction and a power grid load demand change, and enabling the power grid frequency to be stabilized at a certain value. The frequency modulation control module isconfigured to be used for responding to a load change instruction, controlling the power consumption of the electrolytic hydrogen production device, and adjusting the power generation capacity of a power plant at a power generation side or a power consumption load at a load side. The system can achieve the free and quick changing of supply power from 50% of load to 100% at any time, and achievesthe frequency modulation service of a power grid.

Description

technical field [0001] The invention relates to the field of power grid frequency regulation, in particular to a power grid frequency regulation system and method based on electrolytic hydrogen production. Background technique [0002] In recent years, with the rapid development of China's national economy, people's demand for electricity has also increased sharply, and the peak-to-valley difference has increased day by day. The peak-to-valley ratio of China's power supply is about 10 / 0.7, which is much higher than the average level of 1 / 0.63 in developing countries, and much higher than the peak-to-valley ratio of 1 / 0.25 in the United States. Therefore, the peak shaving of generating units in Chinese power plants The task is daunting. [0003] The frequency regulation ability of generator sets is the first important barrier to maintain the power balance and safety and stability of the power grid, and its regulation ability and performance are particularly important for the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/24H02J3/28
CPCH02J3/24H02J3/28Y02E70/30
Inventor 崔华杨豫森徐波谭智陈辉
Owner HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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