CN112821454A - 一种适用于高速公路服务区的微电网系统及其运行策略 - Google Patents
一种适用于高速公路服务区的微电网系统及其运行策略 Download PDFInfo
- Publication number
- CN112821454A CN112821454A CN202110131804.5A CN202110131804A CN112821454A CN 112821454 A CN112821454 A CN 112821454A CN 202110131804 A CN202110131804 A CN 202110131804A CN 112821454 A CN112821454 A CN 112821454A
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- unit
- power
- energy
- service area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013486 operation strategy Methods 0.000 title claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 148
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 148
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 230000005611 electricity Effects 0.000 claims abstract description 22
- 239000000446 fuel Substances 0.000 claims abstract description 22
- 238000010248 power generation Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/51—Photovoltaic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/52—Wind-driven generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/02—Supplying fuel to vehicles; General disposition of plant in filling stations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
- H02J15/008—Systems for storing electric energy using hydrogen as energy vector
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel Cell (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明涉及一种适用于高速公路服务区的微电网系统及其运行策略,系统包括光伏单元、氢能单元、风电单元、直流总线、AC/DC转换单元、交流总线和电网,所述高速公路服务区设有充气桩和充电桩;运行策略包括获取光伏单元和风电单元的发电功率以及高速公路服务区中充电桩的用电需求;判断光伏单元和风电单元满足用电需求,则执行将多余的电量输送到氢能单元中为充气桩充气或为燃料电池充电的第一子策略,否则执行综合所有能源为充电桩充电的第二子策略。与现有技术相比,本发明满足高速公路服务区内的新能源汽车用电、用气需求,能够实现电转氢及氢转电的能量转换,提高能源利用效率,减少环境污染和电能的浪费。
Description
技术领域
本发明涉及适用于高速公路服务区的微电网领域,尤其是涉及一种适用于高速公路服务区的微电网系统及其运行策略。
背景技术
现有技术中,高速公路服务区内的电动汽车充电桩系统、氢燃料电池汽车加气系统均为独立的能源系统,彼此分开独立运行,往往能源利用效率较低、成本高昂。同时现有技术需要大量的储能设备,比如铅酸蓄电池、磷酸铁锂电池等二次电池,由于其售价较高,寿命短,在系统运行期间要常常更换电池设备,大规模应用后短期难以实现盈利,且造成相关的环境污染反而增大,与未来发展的清洁、经济、高效的发展理念不符。
发明内容
本发明的目的就是为了克服上述现有技术存在能源利用效率较低、成本高昂的缺陷而提供一种适用于高速公路服务区的微电网系统及其运行策略。
本发明的目的可以通过以下技术方案来实现:
一种适用于高速公路服务区的微电网系统,包括光伏单元、氢能单元、风电单元、直流总线、AC/DC转换单元、交流总线和电网,所述高速公路服务区设有充气桩和充电桩,所述氢能单元包括依次连接的电解槽、储氢罐和燃料电池,所述直流总线分别连接所述光伏单元、电解槽、燃料电池和AC/DC转换单元,所述交流总线分别连接所述风电单元、AC/DC转换单元、充电桩和电网,所述储氢罐还连接所述充气桩。
本发明还提供一种采用如上所述的一种适用于高速公路服务区的微电网系统的运行策略,包括以下步骤:
S1:通过所述高速公路服务区的能量管理中心获取光伏单元和风电单元的发电功率以及高速公路服务区中充电桩的用电需求;
S2:判断光伏单元和风电单元的总发电功率是否大于充电桩的用电需求,若大于,则执行预设的第一子策略,否则执行预设的第二子策略。
进一步地,所述第一子策略包括以下步骤:
S301:通过光伏单元和风电单元向所述充电桩供电,满足所述高速公路服务区充电桩的用电需求后,将多余的电能输送到氢能单元,并计时;
S302:氢能单元通过电解槽执行电转氢操作;
S303:判断是否到达预设的第一时间周期,若到达,则执行步骤S304,否则,停止执行;
S304:判断储氢罐中的氢气量是否大于高速公路服务区中氢燃料汽车的氢气需求量,若是,则执行步骤S305,否则通过电网向所述氢能单元供电,氢能单元通过电解槽执行电转氢操作;
S305:将储氢罐中的氢气输送到充气桩给氢燃料电池汽车充气,在满足所述氢气需求量后判断净产氢量是否大于储氢罐的额定容量,若满足条件则进入第六步,若不满足条件则直接结束;
S306:氢能单元开始利用多余氢气进行发电,将氢气输送到燃料电池中进行发电,并向大电网反馈输电。
进一步地,所述第一时间周期在30至90分钟范围以内。
进一步地,所述第一时间周期为60分钟。
进一步地,所述电转氢操作具体为,将电能输送到电解槽中,电解槽开始制氢,完成制氢后将产生的氢气输送到储氢罐中。
进一步地,所述电解槽通过水解制氢。
进一步地,所述第二子策略包括以下步骤:
S401:氢能单元调度中心开始响应,并计时;
S402:判断储氢罐是否有剩余氢气,若储氢罐有剩余氢气,则进入步骤S403,否则,通过电网向充电桩供电;
S403:判断风电单元、光伏单元和氢能单元一起供电是否满足充电桩的用电需求,若是,氢能单元开始利用氢气进行发电,并与风电单元和光伏单元共同为充电桩供电,并执行步骤S404,否则,通过电网向充电桩供电;
S404:判断是否到达预设的第二时间周期,若到达,则返回步骤S402,否则,停止执行。
进一步地,所述第二时间周期在30至90分钟范围以内。
进一步地,所述第二时间周期为60分钟。
与现有技术相比,本发明具有以下优点:
(1)本发明利用分布式风光氢耦合发电系统满足高速公路服务区内的新能源汽车用电、用气需求,能够实现电转氢及氢转电的能量转换,提高能源利用效率,减少了环境污染和电能的浪费;整个微电网能源系统取消了传统的储能系统,各个供电单元彼此之间相互协调,统一调度;氢能单元制氢直接从风光耦合发电系统或大电网获取能量,发电方式不受地域限制,具备安全、清洁、灵活的优点。
(2)本发明结合了高速服务区内的电动汽车充电桩系统和氢燃料电池汽车加气系统,服务区通过售电与售氢实现盈利,使用相应的运行策略使整个微电网系统运行更加高效,节约了大量成本。
(3)本发明通过建设相关微电网系统,完成对未来新能源汽车的充电和充气操作,实现了电能与氢能之间的相互转换,提高了能源之间的相互利用效率;同时综合微电网系统的供电模式使得在用电高峰时期,也降低了对电网的直接影响,用电低谷时期能够较好地存储能量。
附图说明
图1为本发明实施例中适用于高速公路服务区的微电网系统的运行策略的流程示意图;
图2为本发明实施例中适用于高速公路服务区的微电网系统的结构示意图。
具体实施方式
下面结合附图和具体实施例对本发明进行详细说明。本实施例以本发明技术方案为前提进行实施,给出了详细的实施方式和具体的操作过程,但本发明的保护范围不限于下述的实施例。
实施例1
一般对于高速公路而言,是我国客运、物流的主要途径,而服务区的优化建设发挥着不可忽视的作用,但其通常位于城市偏远地区,靠近乡村平原。与此同时,面对未来爆发式增长的新能源汽车(电动汽车、氢燃料电池汽车),也极大的增加了电力网络的用电压力以及能源系统的用气压力,而一般充电桩、充气桩的建设主要在电网覆盖的区域或主要人口密集的地方,所以在偏远地区建设一种高效、清洁、经济型的微电网能源系统具有十分重要的意义。
风光耦合分布式发电具有许多优点,如无噪音、无污染且发电方式安全可靠,装机方式多种多样因地制宜。氢能系统的补充不仅可以满足氢负荷需求,还能在用电高峰期补充进行发电功能,用电低谷期消纳多余电能。因此在未来面向高速公路服务区能源系统的建设规划中,适宜大规模推广。
本实施例提供一种适用于高速公路服务区的微电网系统,包括光伏单元、氢能单元、风电单元、直流总线、AC/DC转换单元、交流总线和电网,所述高速公路服务区设有充气桩和充电桩,所述氢能单元包括依次连接的电解槽、储氢罐和燃料电池,所述直流总线分别连接所述光伏单元、电解槽、燃料电池和AC/DC转换单元,所述交流总线分别连接所述风电单元、AC/DC转换单元、充电桩和电网,所述储氢罐还连接所述充气桩。
本实施例使用分布式新能源,实现电能、氢能的自给自足。微电网内各单元相互整合,有效解决电动汽车充电续航、氢燃料电池汽车充气问题以及微电网系统储能问题。本实施例的微电网系统,包括:风力发电系统、光伏发电系统、氢能系统,建设在高速公路服务区周边,通过利用风光耦合发电再并入制氢系统完成能量调度。微电网系统极大的提高了能源利用效率,减少了污染和能源浪费。氢能单元制氢直接从风光耦合发电系统或大电网获取能量,发电方式不受地域限制,具备安全、清洁、灵活的优点。氢能单元中的电解槽主要用来水解制氢,产生的氢气输送到储氢罐进行储存,当需要氢能单元供电时,燃料电池将利用储氢罐中的氢气进行发电。对于氢能单元产生的多余氢气,能够使其进行氢转电,将电能反馈给大电网。
如图1所示,该微电网系统的运行策略,包括:
首先由高速公路服务区的能量管理中心实时读取数据,紧接着判断风电与光伏的发电功率是否大于负荷功率,若大于负荷功率则执行策略一,若不满足负荷功率则执行策略二。
策略一:
第一步:风光供电单元开始向高速服务区内的充电桩供电,满足电动汽车的总负荷需求后,将多余电能输送到氢能单元;
第二步:氢能单元开始执行电转氢操作(如图2所示),将电能输送到电解槽中,电解槽开始制氢,完成制氢后将产生的氢气输送到储氢罐;
第三步:判断是否到达一个时间周期(60min),若满足一个时间周期则进入第四步,若没有满足一个周期则直接结束;
第四步:判断储氢罐中的氢气量是否大于氢燃料汽车的氢气需求量,若满足条件则进入第五步,若不满足条件则大电网开始向氢能单元供电,电解槽开始制氢满足氢负荷的需求;
第五步:将储氢罐中的氢气输送到充气桩给氢燃料电池汽车充气,在满足氢负荷需求后判断净产氢量是否大于储氢罐的额定容量,若满足条件则进入第六步,若不满足条件则直接结束;
第六步:氢能单元开始利用多余氢气进行发电,将氢气输送到燃料电池中进行发电(如图2所示),向大电网反馈输电。
策略二:
第一步:氢能单元调度中心开始响应;
第二步:判断储氢罐是否有剩余氢气,若储氢罐有剩余氢气,则进入第三步;若没有则接入大电网给充电桩供电;
第三步:氢能单元开始利用氢气进行发电(如图2所示),判断风电、光伏发电单元和氢能单元一起供电是否满足充电桩的用电需求,若满足该条件则进入第四步,若不满足则接入大电网给充电桩供电;
第四步:判断是否到达一个时间周期(60min),若满足一个时间周期则跳转回第二步,若没有满足一个周期则直接结束。
本实施例使用氢能单元替代了传统微电网技术中的储能系统,一方面使得风光耦合系统与氢能单元相互整合,提高了电力系统资源的利用效率;另一方面氢能单元不仅可以利用多余电能制氢满足氢燃料电池汽车的负荷需求,还可以将多余氢气进行回收发电,反馈给大电网售卖。整个微电网系统运行具有以环保性为前提,极大提高了能源的利用效率。
以上详细描述了本发明的较佳具体实施例。应当理解,本领域的普通技术人员无需创造性劳动就可以根据本发明的构思做出诸多修改和变化。因此,凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案,皆应在由权利要求书所确定的保护范围内。
Claims (10)
1.一种适用于高速公路服务区的微电网系统,其特征在于,包括光伏单元、氢能单元、风电单元、直流总线、AC/DC转换单元、交流总线和电网,所述高速公路服务区设有充气桩和充电桩,所述氢能单元包括依次连接的电解槽、储氢罐和燃料电池,所述直流总线分别连接所述光伏单元、电解槽、燃料电池和AC/DC转换单元,所述交流总线分别连接所述风电单元、AC/DC转换单元、充电桩和电网,所述储氢罐还连接所述充气桩。
2.一种采用如权利要求1所述的一种适用于高速公路服务区的微电网系统的运行策略,其特征在于,包括以下步骤:
S1:通过所述高速公路服务区的能量管理中心获取光伏单元和风电单元的发电功率以及高速公路服务区中充电桩的用电需求;
S2:判断光伏单元和风电单元的总发电功率是否大于充电桩的用电需求,若大于,则执行预设的第一子策略,否则执行预设的第二子策略。
3.根据权利要求2所述的运行策略,其特征在于,所述第一子策略包括以下步骤:
S301:通过光伏单元和风电单元向所述充电桩供电,满足所述高速公路服务区充电桩的用电需求后,将多余的电能输送到氢能单元,并计时;
S302:氢能单元通过电解槽执行电转氢操作;
S303:判断是否到达预设的第一时间周期,若到达,则执行步骤S304,否则,停止执行;
S304:判断储氢罐中的氢气量是否大于高速公路服务区中氢燃料汽车的氢气需求量,若是,则执行步骤S305,否则通过电网向所述氢能单元供电,氢能单元通过电解槽执行电转氢操作;
S305:将储氢罐中的氢气输送到充气桩给氢燃料电池汽车充气,在满足所述氢气需求量后判断净产氢量是否大于储氢罐的额定容量,若满足条件则进入第六步,若不满足条件则直接结束;
S306:氢能单元开始利用多余氢气进行发电,将氢气输送到燃料电池中进行发电,并向大电网反馈输电。
4.根据权利要求3所述的运行策略,其特征在于,所述第一时间周期在30至90分钟范围以内。
5.根据权利要求4所述的运行策略,其特征在于,所述第一时间周期为60分钟。
6.根据权利要求3所述的运行策略,其特征在于,所述电转氢操作具体为,将电能输送到电解槽中,电解槽开始制氢,完成制氢后将产生的氢气输送到储氢罐中。
7.根据权利要求6所述的运行策略,其特征在于,所述电解槽通过水解制氢。
8.根据权利要求2所述的运行策略,其特征在于,所述第二子策略包括以下步骤:
S401:氢能单元调度中心开始响应,并计时;
S402:判断储氢罐是否有剩余氢气,若储氢罐有剩余氢气,则进入步骤S403,否则,通过电网向充电桩供电;
S403:判断风电单元、光伏单元和氢能单元一起供电是否满足充电桩的用电需求,若是,氢能单元开始利用氢气进行发电,并与风电单元和光伏单元共同为充电桩供电,并执行步骤S404,否则,通过电网向充电桩供电;
S404:判断是否到达预设的第二时间周期,若到达,则返回步骤S402,否则,停止执行。
9.根据权利要求8所述的运行策略,其特征在于,所述第二时间周期在30至90分钟范围以内。
10.根据权利要求8所述的运行策略,其特征在于,所述第二时间周期为60分钟。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110131804.5A CN112821454A (zh) | 2021-01-30 | 2021-01-30 | 一种适用于高速公路服务区的微电网系统及其运行策略 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110131804.5A CN112821454A (zh) | 2021-01-30 | 2021-01-30 | 一种适用于高速公路服务区的微电网系统及其运行策略 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112821454A true CN112821454A (zh) | 2021-05-18 |
Family
ID=75860543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110131804.5A Pending CN112821454A (zh) | 2021-01-30 | 2021-01-30 | 一种适用于高速公路服务区的微电网系统及其运行策略 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112821454A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113541133A (zh) * | 2021-07-21 | 2021-10-22 | 国网重庆市电力公司电力科学研究院 | 一种混合微电网精细化调度方法 |
CN114990601A (zh) * | 2022-06-13 | 2022-09-02 | 潍柴动力股份有限公司 | 一种电能存储方法及装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105576803A (zh) * | 2016-02-17 | 2016-05-11 | 陆玉正 | 一种分布式新能源充电桩与加氢站 |
CN109462253A (zh) * | 2018-11-15 | 2019-03-12 | 中广核研究院有限公司 | 一种离网型交直流混合微电网系统及其控制方法 |
CN109474010A (zh) * | 2018-11-15 | 2019-03-15 | 中广核研究院有限公司 | 一种具有氢能循环利用的并网型微电网系统及其控制方法 |
CN111555256A (zh) * | 2020-04-20 | 2020-08-18 | 珠海格力电器股份有限公司 | 一种直流微电网系统及控制方法 |
CN111746326A (zh) * | 2020-07-03 | 2020-10-09 | 陈方红 | 一种智慧能源站 |
AU2020102245A4 (en) * | 2019-01-08 | 2020-10-29 | Nanjing Institute Of Technology | A grid hybrid rolling dispatching method considering congestion and energy storage tou price |
CN112109578A (zh) * | 2020-09-16 | 2020-12-22 | 阳光电源股份有限公司 | 车辆能源补给站及其控制方法 |
-
2021
- 2021-01-30 CN CN202110131804.5A patent/CN112821454A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105576803A (zh) * | 2016-02-17 | 2016-05-11 | 陆玉正 | 一种分布式新能源充电桩与加氢站 |
CN109462253A (zh) * | 2018-11-15 | 2019-03-12 | 中广核研究院有限公司 | 一种离网型交直流混合微电网系统及其控制方法 |
CN109474010A (zh) * | 2018-11-15 | 2019-03-15 | 中广核研究院有限公司 | 一种具有氢能循环利用的并网型微电网系统及其控制方法 |
AU2020102245A4 (en) * | 2019-01-08 | 2020-10-29 | Nanjing Institute Of Technology | A grid hybrid rolling dispatching method considering congestion and energy storage tou price |
CN111555256A (zh) * | 2020-04-20 | 2020-08-18 | 珠海格力电器股份有限公司 | 一种直流微电网系统及控制方法 |
CN111746326A (zh) * | 2020-07-03 | 2020-10-09 | 陈方红 | 一种智慧能源站 |
CN112109578A (zh) * | 2020-09-16 | 2020-12-22 | 阳光电源股份有限公司 | 车辆能源补给站及其控制方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113541133A (zh) * | 2021-07-21 | 2021-10-22 | 国网重庆市电力公司电力科学研究院 | 一种混合微电网精细化调度方法 |
CN114990601A (zh) * | 2022-06-13 | 2022-09-02 | 潍柴动力股份有限公司 | 一种电能存储方法及装置 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103248064B (zh) | 一种复合型能源充电储能系统及其方法 | |
Rituraj et al. | A comprehensive review on off-grid and hybrid charging systems for electric vehicles | |
CN107508284B (zh) | 计及电气互联的微电网分布式优化调度方法 | |
CN109703408B (zh) | 基于sofc的电动汽车能源服务站及其运行控制方法 | |
CN112821454A (zh) | 一种适用于高速公路服务区的微电网系统及其运行策略 | |
CN113612260A (zh) | 一种电-氢孤岛直流微电网运行控制方法 | |
CN112109578A (zh) | 车辆能源补给站及其控制方法 | |
CN110601231A (zh) | 一种基于光伏制氢储能的光伏和燃料电池一体化发电系统 | |
CN113315155A (zh) | 分布式能源发电与v2g混合系统 | |
CN114094644A (zh) | 一种光储充换一体化微电网系统 | |
CN113746123A (zh) | 一种光储充一体化电站系统 | |
CN113657017A (zh) | 一种应用于10kV充电站的能量管理算法 | |
Fang et al. | Coordinated chance-constrained optimization of multi-energy microgrid system for balancing operation efficiency and quality-of-service | |
CN114312426A (zh) | 一种净零能耗光储充电站优化配置方法、装置和存储介质 | |
CN204391826U (zh) | 一种电动汽车节能型充电装置 | |
CN110518628A (zh) | 一种园区电能优化装置及其工作方法 | |
CN212796580U (zh) | 一种电动汽车充电桩电源电路 | |
CN102790391B (zh) | 一种柴发与燃气三联供混合供能微网系统的控制方法 | |
CN112701685A (zh) | 车辆充电站及其控制方法 | |
CN112537215A (zh) | 一种半离网式风光互补智能充电站 | |
CN102340150A (zh) | 一种电动汽车充电站及一种为电动汽车充电的方法 | |
CN212098472U (zh) | 一种光伏储能充电站系统 | |
CN114819480A (zh) | 一种计及电动公交公司协同的配电网分布式应急调度方法 | |
CN204559220U (zh) | 风光互补供电控制器及微电网系统 | |
CN110758162A (zh) | 具有智能化管理功能的城市新能源交通系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |