CN209313452U - A kind of high efficiency high safety wind power hydrogen production peak-frequency regulation system - Google Patents

A kind of high efficiency high safety wind power hydrogen production peak-frequency regulation system Download PDF

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CN209313452U
CN209313452U CN201920169076.5U CN201920169076U CN209313452U CN 209313452 U CN209313452 U CN 209313452U CN 201920169076 U CN201920169076 U CN 201920169076U CN 209313452 U CN209313452 U CN 209313452U
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controller
power
electrolytic cell
hydrogen
battery
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曹曦
刘明义
朱勇
曹传钊
朱连峻
郑建涛
李晴
徐越
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Huaneng Clean Energy Research Institute
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Huaneng Clean Energy Research Institute
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Abstract

The utility model discloses a kind of high efficiency high safety wind power hydrogen production peak-frequency regulation systems, including wind generator system, power divider, transformer, AC-DC controller, supercapacitor, DC-AC controller, battery, electrolytic cell, electrolyte storage tank, fuel cell and tuning controller, the system can effectively prevent frequently switching on for electrolytic cell and fuel cell, and the dynamic responding speed of system, safety and high stability.

Description

A kind of high efficiency high safety wind power hydrogen production peak-frequency regulation system
Technical field
The utility model belongs to hydrogen manufacturing and wind-powered peak regulation frequency modulation field, is related to a kind of high efficiency high safety wind power hydrogen production peak regulation Frequency modulation system.
Background technique
As China actively pushes forward Renewable Energy Development, make great efforts to improve renewable energy in China's energy-consuming knot Specific gravity in structure, it is desirable to China's energy demand can be alleviated and increase too fast pressure and improve the ecological environment.Wind energy is as a kind of Renewable energy is received significant attention because of its rich reserves, clean and environmental protection, convenient for the advantages that scale exploitation.According to 2011 October, Energy Research Institute, National Development and Reform Commission issued " Development of Wind Power In China route map 2050 ", proposed that wind-powered electricity generation has begun simultaneously It will continue to become one of the main force's energy technology for realizing low-carbon energy strategy.The target of route map setting is: to the year two thousand twenty, 2030 Year and the year two thousand fifty, installed capacity of wind-driven power will respectively reach 200,000,000 kilowatts, 400,000,000 kilowatts and 1,000,000,000 kilowatts, meet 17% to the year two thousand fifty Electricity needs.But wind-power electricity generation haves the defects that the following aspects: (1) uncertainty of wind-power electricity generation is high, wind-powered electricity generation output The fluctuation of power and frequency changes with the variation of wind speed, therefore, is affected by season, environment, position etc., output electricity Energy is second-rate, reliability is low, and large-scale wind power integration is affected to power network safety operation;(2) due to wind-power electricity generation Unstability, power grid is limited to the consumption of wind-power electricity generation, causes abandonment to abandon electricity serious, causes the serious waste of resource.Currently, Solve the problems, such as that wind electricity digestion has become the key that can wind power plant get a profit and wind-powered electricity generation industry further develops.Except more accurate subtracts Except small wind power prediction error, reduction are examined;Reduce wind power fluctuation, reduces since wind-powered electricity generation uncertainty is to power grid It is influenced caused by safety and stability, and reduces wind-powered electricity generation abandonment problem, improved energy utilization rate, become studied both at home and abroad at present heavy Point.
Electrolytic hydrogen production category high energy consumption industry, electric cost are the main bottlenecks of electrolytic hydrogen production, and extensive, inexpensive can be again Raw energy hydrogen producing technology will push Hydrogen Energy to develop.And water electrolysis hydrogen production and the technology path of adjustment grid connected wind power quality are mutually tied It closes, utilizes the electric energy of idle wind energy support water electrolysis hydrogen production consumption, it is not only possible to the efficiency of energy utilization of wind power system is promoted, It is reduced to control power generation quality and peak load regulation network etc. to require and the brake used or the movement of other system call interceptions, reduces power generation The operation and maintenance cost of control system, and addition product hydrogen is produced, realize the comprehensive utilization of wind energy resources.It utilizes Clean wind-power electricity generation carries out water electrolysis hydrogen production, so that wind electricity generating utilize, this mode is the solution of wind-powered electricity generation enterprise Abandonment and ration the power supply problem and inexpensive hydrogen manufacturing has found a kind of brand-new approach.
But since wind power output has randomness, intermittence and fluctuation, in electrolytic hydrogen production system, power supply When being directly accessed electrolytic cell, the service life of hydrogen output and electrolytic cell can be impacted.Control of the prior art to electrolytic cell Strategy is fairly simple, general to be controlled using the rated power of electrolytic cell, but in the biggish situation of this power swing, it is right The start and stop of electrolytic cell are very frequent, and the serious stability and safety for damaging electrolytic cell causes the increased costs of electrolytic hydrogen production.Cause How this, improve the electrolytic cell for water electrolysis hydrogen producing to the adaptability of blower fan system fluctuation power supply, improve energy conversion efficiency, It is a technical problem to be solved urgently.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of high efficiency high safety wind-powered electricity generation Hydrogen manufacturing peak-frequency regulation system, the system can effectively prevent frequently switching on for electrolytic cell and fuel cell, and the dynamic of system Response speed, safety and high stability.
In order to achieve the above objectives, high efficiency high safety wind power hydrogen production peak-frequency regulation system described in the utility model includes wind Force generating system, power divider, transformer, AC-DC controller, supercapacitor, DC-AC controller, battery, electrolysis Slot, electrolyte storage tank, fuel cell and tuning controller;
The output end of wind generator system is connected with the input terminal of power divider, two output ends of power divider It is connected respectively with the input terminal of the input terminal of transformer and AC-DC controller, the output end and super capacitor of AC-DC controller The charging interface of device is connected, the charging of the input terminal and battery of the electric discharge interface and DC-AC controller of supercapacitor Mouth is connected, and battery is connected with the power interface of electrolytic cell, the outlet of electrolyte storage tank and the electrolyte entrance of electrolytic cell It is connected, the cathode product of electrolytic cell exports the successively hydrogen through hydrogen gas buffer, hydrogen gas compressor and hydrogen container and fuel cell Gas entrance is connected, and the output end of fuel cell is connected with the input terminal of DC-AC controller, the output end of DC-AC controller It is connected with the input terminal of transformer, the output end of transformer is connected with power grid;
Tuning controller is connected with fuel cell, supercapacitor, wind generator system, electrolytic cell and power divider It connects.
It further include oxygen surge tank, oxygen compressor and oxygen container, wherein the anodic product of electrolytic cell exports successively through oxygen Gas surge tank and oxygen compressor are connected with oxygen container.
Flow control valve is provided between electrolyte storage tank and the electrolyte entrance of electrolytic cell.
Electrolyte in electrolytic cell is the KOH solution that concentration is 30%, in electrolytic cell the material of cathode be Pt, Ru, Rh, One of Ir, Ni, Co, Fe, Zn and Ti or several alloys, the material of anodes in electrolytic cells are nickel based metal or alloy oxygen Compound.
Hydrogen gas buffer and oxygen surge tank are provided with the filter device for removing lye and water.
At work, when the generated output of wind generator system is greater than power grid demand, tuning controller controls power point The extra electricity that orchestration generates wind generator system is stored in supercapacitor through AC-DC controller, works as supercapacitor It after fully charged, then charges to battery, after battery is fully charged, tuning controller controls electric tank working, electrolytic cell Electrolyte hydrogen manufacturing.
When the output power of wind generator system is not able to satisfy power grid demand, tuning controller takes the lead in controlling supercapacitor By DC-AC controller by DC conversion be alternating current, then again to power grid power;When the electricity of supercapacitor is powered not When sufficient, tuning controller controls fuel cell start-up, is discharged by fuel cell power grid;Meanwhile the normal work of electrolytic cell Make, the electric energy water electrolysis hydrogen production provided using battery, when the remaining capacity of battery, which is less than, presets minimum electricity, coordinates control Device processed closes electrolytic cell.
The purity of oxygen compressor inlet oxygen is more than or equal to 99.9%;
The purity of hydrogen gas compressor inlet hydrogen is more than or equal to 99.9%.
The temperature range of electrolytic cell is 0-40 DEG C.
The utility model has the following beneficial effects:
High efficiency high safety wind power hydrogen production peak-frequency regulation system described in the utility model is when specific operation, by super Capacitor, battery, electrolytic cell and fuel cell combine, and to dissolve the abandonment power and frequency modulation of wind generator system, improve wind The generating efficiency of force generating system, it should be noted simultaneously that, the utility model is when specific operation, when wind generator system When generated output is greater than power grid demand, the extra electricity that tuning controller control power divider generates wind generator system is deposited It is stored in supercapacitor, after supercapacitor is fully charged, then to storage battery power supply, battery is electrolysed electrolyzer with electricity and makes Hydrogen;When the output power of wind generator system is not able to satisfy power grid demand, then power grid is carried out by supercapacitor first Electric discharge, when supercapacitor electricity deficiency, restarts operation of fuel cells, battery is continued to electrolyzer with electricity at this time Hydrogen manufacturing, until accumulator electric-quantity closes electrolytic cell down to after a certain amount of;Energy-storage battery is installed additional to electrolytic cell, guarantees energy-storage battery Electricity is in a certain range, can be effectively prevented electrolysis unit and continually be switched since wind power fluctuation is caused, energy Enough effective stability, safety and the service life for improving system;In addition, it is necessary to explanation, when wind generator system When output-power fluctuation, the utility model first passes through supercapacitor charge or discharge, small using ultracapacitor energy storage internal resistance, It has extended cycle life, the characteristics of power density is high and fast response time, effectively stabilizes the fluctuation of wind-powered electricity generation, reduce wind-powered electricity generation fluctuation pair The direct impact of power grid and electrolytic cell, while the slow problem of fuel cell dynamic responding speed is made up by supercapacitor, with The dynamic responding speed of lifting system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 be wind generator system, 2 be power divider, 3 be AC-DC controller, 4 be supercapacitor, 5 be electricity Solution slot, 6 be battery, 7 be electrolyte storage tank, 8 be oxygen surge tank, 9 be hydrogen gas buffer, 10 be oxygen compressor, 11 be Hydrogen gas compressor, 12 be hydrogen container, 13 be oxygen container, 14 be fuel cell, 15 be tuning controller, 16 be DC-AC controller, 17 be transformer.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered When the range for belonging to the utility model protection.
With reference to Fig. 1, high efficiency high safety wind power hydrogen production peak-frequency regulation system described in the utility model includes wind-power electricity generation System 1, power divider 2, transformer 17, AC-DC controller 3, supercapacitor 4, DC-AC controller 16, battery 6, electricity Solve slot 5, electrolyte storage tank 7, fuel cell 14 and tuning controller 15;The output end and power divider 2 of wind generator system 1 Input terminal be connected, two output ends of power divider 2 respectively with the input terminal of transformer 17 and AC-DC controller 3 Input terminal is connected, and the output end of AC-DC controller 3 is connected with the charging interface of supercapacitor 4, supercapacitor 4 Electric discharge interface is connected with the charging interface of the input terminal of DC-AC controller 16 and battery 6, the electricity of battery 6 and electrolytic cell 5 Source interface is connected, and the outlet of electrolyte storage tank 7 is connected with the electrolyte entrance of electrolytic cell 5, and the cathode product of electrolytic cell 5 goes out Mouth is successively connected through hydrogen gas buffer 9, hydrogen gas compressor 11 and hydrogen container 12 with the hydrogen inlet of fuel cell 14, fuel electricity The output end in pond 14 is connected with the input terminal of DC-AC controller 16, and the output end of DC-AC controller 16 is defeated with transformer 17 Enter end to be connected, the output end of transformer 17 is connected with power grid;Tuning controller 15 and fuel cell 14, supercapacitor 4, Wind generator system 1, electrolytic cell 5 and power divider 2 are connected, wherein electrolyte storage tank 7 and the electrolyte of electrolytic cell 5 enter Flow control valve is provided between mouthful.
The utility model further includes oxygen surge tank 8, oxygen compressor 10 and oxygen container 13, wherein the anode of electrolytic cell 5 Product exit is successively connected through oxygen surge tank 8 and oxygen compressor 10 with oxygen container 13,10 inlet oxygen of oxygen compressor The purity of gas is more than or equal to 99.9%.
The purity of 11 inlet hydrogen of the utility model hydrogen gas compressor be more than or equal to 99.9%, and hydrogen gas buffer 9 and Oxygen surge tank 8 is provided with the filter device for removing lye and water.
Electrolyte in electrolytic cell 5 is the KOH solution that concentration is 30%, in electrolytic cell 5 material of cathode be Pt, Ru, Rh, One of Ir, Ni, Co, Fe, Zn and Ti or several alloys, the material of 5 Anodic of electrolytic cell are nickel based metal or alloy Oxide, and the temperature range of electrolytic cell 5 is 0 DEG C -40 DEG C, the cell reaction occurred in electrolytic cell 5 are as follows:
Anode reaction equation: 4OH?→O2↑+2H2O+4e?
Cathode reaction equation: 2H2O+2e?→H2↑+2OH?
Overall reaction equation: 2H2O→2H2↑+O2
At work, when the generated output of wind generator system 1 is greater than power grid demand, tuning controller 15 controls power The extra electricity that distributor 2 generates wind generator system 1 is stored in supercapacitor 4 through AC-DC controller 3, when super It after capacitor 4 is fully charged, then charges to battery 6, after battery 6 is fully charged, tuning controller 15 controls electrolytic cell 5 Work, 5 electrolyte hydrogen manufacturing of electrolytic cell.
When the output power of wind generator system 1 is not able to satisfy power grid demand, tuning controller 15 takes the lead in controlling super electricity DC conversion is alternating current by DC-AC controller 16 by container 4, is powered to power grid;When the electricity of supercapacitor 4 is powered When insufficient, tuning controller 15 controls fuel cell 14 and starts, and is discharged by fuel cell 14 power grid;Meanwhile it being electrolysed Slot 5 works normally, the electric energy water electrolysis hydrogen production provided using battery 6, when the remaining capacity of battery 6 is less than 30%, association It adjusts controller 15 to close electrolytic cell 5, when the output power of wind generator system 1 is greater than power grid demand, repeats above to super The process that grade capacitor 4 and battery 6 charge.
The chemical reaction occurred in fuel cell 14 is as follows:
Anode reaction equation: 2H2- 4e?→4H+
Cathode reaction equation: O2+4e?+2H2O→4OH?
Overall reaction equation: 2H2+O2→2H2O
In embodiment provided herein, it should be understood that disclosed technology contents, it can be by another way It realizes.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, can be one kind Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can To be integrated into another system, or some features can be ignored or not executed.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit, It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated Unit both can take the form of hardware realization, can also realize in the form of software functional units.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of high efficiency high safety wind power hydrogen production peak-frequency regulation system, which is characterized in that including wind generator system (1), function Rate distributor (2), transformer (17), AC-DC controller (3), supercapacitor (4), DC-AC controller (16), battery (6), electrolytic cell (5), electrolyte storage tank (7), fuel cell (14) and tuning controller (15);
The output end of wind generator system (1) is connected with the input terminal of power divider (2), and two of power divider (2) Output end is connected with the input terminal of the input terminal of transformer (17) and AC-DC controller (3) respectively, AC-DC controller (3) Output end is connected with the charging interface of supercapacitor (4), the electric discharge interface and DC-AC controller of supercapacitor (4) (16) charging interface of input terminal and battery (6) is connected, and battery (6) is connected with the power interface of electrolytic cell (5), The outlet of electrolyte storage tank (7) is connected with the electrolyte entrance of electrolytic cell (5), and the cathode product outlet of electrolytic cell (5) is successively It is connected through hydrogen gas buffer (9), hydrogen gas compressor (11) and hydrogen container (12) with the hydrogen inlet of fuel cell (14), fuel The output end of battery (14) is connected with the input terminal of DC-AC controller (16), the output end and transformation of DC-AC controller (16) The input terminal of device (17) is connected, and the output end of transformer (17) is connected with power grid;
Tuning controller (15) and fuel cell (14), supercapacitor (4), wind generator system (1) and power divider (2) It is connected.
2. high efficiency high safety wind power hydrogen production peak-frequency regulation system according to claim 1, which is characterized in that further include oxygen Gas surge tank (8), oxygen compressor (10) and oxygen container (13), wherein the anodic product of electrolytic cell (5) exports successively through oxygen Surge tank (8) and oxygen compressor (10) are connected with oxygen container (13).
3. high efficiency high safety wind power hydrogen production peak-frequency regulation system according to claim 1, which is characterized in that electrolyte storage Flow control valve is provided between tank (7) and the electrolyte entrance of electrolytic cell (5).
4. high efficiency high safety wind power hydrogen production peak-frequency regulation system according to claim 1, which is characterized in that hydrogen buffering Tank (9) and oxygen surge tank (8) are provided with the filter device for removing lye and water.
5. high efficiency high safety wind power hydrogen production peak-frequency regulation system according to claim 1, which is characterized in that working When, when the generated output of wind generator system (1) is greater than power grid demand, tuning controller (15) controls power divider (2) The extra electricity that wind generator system (1) generates is stored in supercapacitor (4) through AC-DC controller (3), when super electricity After container (4) is fully charged, then charge to battery (6), after battery (6) is fully charged, tuning controller (15) control Electrolytic cell (5) work, electrolytic cell (5) electrolyte hydrogen manufacturing.
6. high efficiency high safety wind power hydrogen production peak-frequency regulation system according to claim 1, which is characterized in that when wind-force is sent out The output power of electric system (1) is not able to satisfy power grid demand, and tuning controller (15) takes the lead in controlling supercapacitor (4) process DC conversion is alternating current by DC-AC controller (16), is then powered again to power grid;When the electricity of supercapacitor (4) supplies When electric insufficient, tuning controller (15) controls fuel cell (14) starting, is discharged by fuel cell (14) power grid;Together When, electrolytic cell (5) works normally, the electric energy water electrolysis hydrogen production provided using battery (6), when the remaining capacity of battery (6) When less than presetting minimum electricity, tuning controller (15) closes electrolytic cell (5).
7. high efficiency high safety wind power hydrogen production peak-frequency regulation system according to claim 1, which is characterized in that oxygen compression The purity of machine (10) inlet oxygen is more than or equal to 99.9%;The purity of hydrogen gas compressor (11) inlet hydrogen is more than or equal to 99.9%.
8. high efficiency high safety wind power hydrogen production peak-frequency regulation system according to claim 1, which is characterized in that the electrolysis The temperature range of slot is 0-40 DEG C.
CN201920169076.5U 2019-01-30 2019-01-30 A kind of high efficiency high safety wind power hydrogen production peak-frequency regulation system Active CN209313452U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364053A (en) * 2020-04-22 2020-07-03 阳光电源股份有限公司 Multichannel alkaline hydrogen production system
CN112350350A (en) * 2020-10-26 2021-02-09 清华四川能源互联网研究院 Operation control method and device for battery energy storage and hydrogen production equipment and electronic equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364053A (en) * 2020-04-22 2020-07-03 阳光电源股份有限公司 Multichannel alkaline hydrogen production system
CN111364053B (en) * 2020-04-22 2021-06-11 阳光电源股份有限公司 Multichannel alkaline hydrogen production system
CN112350350A (en) * 2020-10-26 2021-02-09 清华四川能源互联网研究院 Operation control method and device for battery energy storage and hydrogen production equipment and electronic equipment
CN112350350B (en) * 2020-10-26 2022-02-08 清华四川能源互联网研究院 Operation control method and device for battery energy storage and hydrogen production equipment and electronic equipment

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