CN114744706A - Temporary power supply electric power design auxiliary system - Google Patents
Temporary power supply electric power design auxiliary system Download PDFInfo
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- CN114744706A CN114744706A CN202210340683.XA CN202210340683A CN114744706A CN 114744706 A CN114744706 A CN 114744706A CN 202210340683 A CN202210340683 A CN 202210340683A CN 114744706 A CN114744706 A CN 114744706A
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- 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
- Y02E60/50—Fuel cells
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application relates to a temporary power supply power design auxiliary system, which comprises a main power generation component, an auxiliary power generation component, a bidirectional energy storage converter, an intelligent management device, a main energy storage battery assembly, an auxiliary energy storage battery assembly and a power controller, wherein the power controller is controlled by the intelligent management device; the intelligent management device comprises an electric quantity acquisition module, a comparison module and a processing module. By arranging the power controller and the auxiliary energy storage battery pack, the output power of the auxiliary energy storage battery pack can be improved to replace the main energy storage battery pack to carry out power output so that the output power of the system is more stable after the electric quantity of the main energy storage battery pack is insufficient in the parallel operation mode; by arranging the transition power supply module, the output power of the system can be kept stable when the main power generation part is connected; through setting up temperature control module, temperature control device for the operating power of main power generation spare is more stable.
Description
Technical Field
The application relates to the technical field of power supply, in particular to an auxiliary system for temporary power supply power design.
Background
Along with the gradual reduction and the development of the energy storage technology and the micro-grid technology, the output power of the auxiliary energy storage battery assembly is reduced until the development, and the diesel storage power supply system can effectively improve the efficiency of the hydrogen fuel cell power generation equipment, so that the diesel storage power supply system becomes a new development direction in the field of temporary power supply. Currently, the problem of supplying power is solved by means of hydrogen fuel cell power plants, which are manually operated to increase or decrease the number of hydrogen fuel cell power plants in a diesel storage system to match the power required by the end load.
The prior Chinese invention patent with the application publication number of CN113644733A comprises the steps of obtaining temporary electric load power required by a terminal load; determining a power supply mode according to the critical load power: when the critical load power is not more than the power supply power of the energy storage battery assembly, switching to an off-grid power supply mode; when the temporary load power is in the range of the sum power of the power supply power of the energy storage battery assembly, the power supply power of the energy storage battery assembly and the power supply power of the main power generation assembly, switching to a grid-connected power supply mode; when the power of the temporary load is larger than the sum power of the power supply power of the energy storage battery assembly and the power supply power of the main power generation assembly, the parallel operation power supply mode is switched, and at the moment, the auxiliary power generation assembly, the main power generation assembly and the energy storage battery assembly are adopted for parallel operation power supply.
According to the related technology, the parallel operation power supply mode is adopted in the power utilization peak period, the auxiliary power generation assembly, the main power generation assembly and the energy storage battery assembly are in parallel operation power supply, the electric quantity in the energy storage battery assembly is too low at the moment, the charging can be divided into the power of the auxiliary power generation assembly and the power of the main power generation assembly, and the power supply power is easy to be insufficient.
Disclosure of Invention
In order to be in the parallel operation power supply mode, the problem that the power supply power is insufficient is difficult to appear, the application provides a temporary power supply power design auxiliary system.
The application provides a temporary power supply electric power design auxiliary system adopts following technical scheme:
a temporary power supply power design auxiliary system comprises a main power generation part, an auxiliary power generation part and a bidirectional energy storage converter, and further comprises an intelligent management device, a main energy storage battery assembly, an auxiliary energy storage battery assembly and a power controller, wherein the power controller is controlled by the intelligent management device and used for adjusting the output power of the main energy storage battery assembly and the output power of the auxiliary energy storage battery assembly, and the main energy storage battery assembly and the auxiliary energy storage battery assembly are arranged in parallel;
wherein, the intelligent management device includes:
the electric quantity acquisition module is used for detecting the electric quantity of the main energy storage battery assembly and the auxiliary energy storage battery assembly in the parallel operation power supply mode to acquire electric quantity information;
the comparison module is used for comparing the electric quantity information with preset standard information to obtain a comparison result, wherein the comparison result comprises a power shortage result of the main energy storage battery assembly and a normal result of the main energy storage battery assembly; and the number of the first and second groups,
and the processing module is used for making a response of improving the power of the auxiliary energy storage battery assembly and gradually closing the main energy storage battery assembly according to the power shortage result of the main energy storage battery assembly.
By adopting the technical scheme, the auxiliary energy storage battery pack group is arranged, so that the auxiliary energy storage battery pack group is switched to continue the parallel operation power supply mode after the electric quantity of the main energy storage battery pack group is consumed too much in the parallel operation power supply mode, and the power of the parallel operation power supply mode cannot be reduced to cause the condition of insufficient power supply.
Preferably, the processing module further comprises:
and the adjusting unit is used for controlling the power of the auxiliary energy storage battery assembly and the power sum of the main energy storage battery assembly to be unchanged.
Through adopting above-mentioned technical scheme, the setting of regulating unit can be after main energy storage battery pack switches to supplementary energy storage battery pack, and at the switching in-process, great fluctuation can appear in output, leads to the phenomenon that terminal load equipment is paralysed temporarily, makes the power sum unchangeable through regulating unit for this system can also stabilize the power supply to terminal load equipment at the switching process, makes terminal load equipment can normal operating.
Preferably, the intelligent management device further includes:
the working time acquisition module is used for detecting the power supply time of the main energy storage battery assembly or the auxiliary energy storage battery assembly in an off-grid power supply mode to acquire time information;
the time comparison module is used for comparing the time information with preset standard time; and the number of the first and second groups,
and the switching module is used for switching the auxiliary energy storage battery assembly to supply power and charge the main energy storage battery assembly after the time information of the main energy storage battery assembly exceeds the standard time or switching the main energy storage battery assembly to supply power and charge the auxiliary energy storage battery assembly after the time information of the auxiliary energy storage battery assembly exceeds the standard time.
By adopting the technical scheme, under the condition that the auxiliary energy storage battery assembly is not used for a long time, the service life of the battery assembly is shortened due to the loss of the activity of the internal electrolyte, the working time acquisition module, the time comparison module and the switching module can switch and use the auxiliary energy storage battery assembly and the main energy storage battery assembly, so that the internal active substances of the auxiliary energy storage battery assembly and the main energy storage battery assembly are not easy to lose, and the service lives of the auxiliary energy storage battery assembly and the main energy storage battery assembly are prolonged.
Preferably, the intelligent management device further includes:
and the transition power supply module is used for starting in an off-grid power supply mode transition grid-connected power supply mode, controlling the power controller to improve the power of the main energy storage battery assembly and the auxiliary energy storage battery assembly, and gradually reducing the output power of the auxiliary energy storage battery assembly until the auxiliary energy storage battery assembly is closed after detecting an access signal of the main power generation component.
By adopting the technical scheme, the transition power supply module is arranged, so that when the main power supply part is just started to access the output power for being promoted, the power of the auxiliary module is promoted, and the total output power can maintain the consumption of the terminal load.
Preferably, the power controller is further configured to control power of the main power generator, and the intelligent management device further includes:
and the access adjusting module is used for acquiring an access signal and controlling the descending speed of the output power of the auxiliary energy storage battery assembly to be the same as the increasing speed of the output power of the main power generation component.
By adopting the technical scheme and the arrangement of the access adjusting module, the total output power can be kept stable after the main power supply part is just started to access.
Preferably, the access regulation module includes:
the acquisition unit is used for acquiring a power voltage signal output by the main power generation part;
the simulation prediction unit is used for predicting a time power curve of the main power generation part according to the power voltage signal and a preset signal prediction model;
and the power adjusting unit is used for adjusting the output power of the auxiliary energy storage battery assembly according to the time-power curve so that the reduction speed of the output power of the auxiliary energy storage battery assembly is the same as the increase speed of the output power of the main power generation element.
By adopting the technical scheme, after the acquisition module acquires the power voltage signal, the time power curve is obtained by comparing the power voltage signal with the prediction model, and the reduction speed of the output power of the auxiliary energy storage battery assembly is the same as the increase speed of the output power of the main power generation component according to the time power curve, so that the power sum is kept stable.
Preferably, the main power generation unit is a hydrogen fuel cell power generation device, and the intelligent management device further includes:
the state detection module is used for acquiring power state information of the main power generation part;
and the temperature control module is used for controlling the temperature of a hydrogen chamber in the main power generation part through a temperature control device arranged on the main power generation part according to the electric power state information so as to adjust the output power of the main power generation part.
By adopting the technical scheme, when the output power of the main power generation part is too high or too low, the power state information can be changed, the temperature of the hydrogen chamber is adjusted, so that the gas pressure of the hydrogen chamber is changed by expanding or contracting the hydrogen chamber, the osmotic pressure of hydrogen ions is changed, the reaction efficiency is improved, and the output power of the main power generation part is adjusted.
Preferably, the temperature control device comprises two semiconductor refrigeration pieces, one of the two semiconductor refrigeration pieces is used for cooling the hydrogen chamber, and the other semiconductor refrigeration piece is used for heating the hydrogen chamber.
Through adopting above-mentioned technical scheme, temperature control device can directly heat up or lower the temperature to the hydrogen room through supplying power to the semiconductor refrigeration piece, changes the pressure of hydrogen room to change hydrogen ion permeation rate, thereby change the electric power of main electricity generation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the power controller and the auxiliary energy storage battery assembly group, the output power of the auxiliary energy storage battery assembly group can be improved to replace the main energy storage battery assembly group for power output after the electric quantity of the main energy storage battery assembly group is insufficient in the parallel mode, and the main power generation part or the auxiliary power generation part is not required to supply power to the auxiliary energy storage battery assembly group, so that the output power is reduced;
2. by arranging the transition power supply module, the output power of the system can be kept stable when the main power generation part is connected;
3. through setting up temperature control module, temperature control device for the operating power of main power generation spare is further stable.
Drawings
Fig. 1 is a schematic architecture diagram of a temporary power supply design assistance system according to an embodiment of the present application.
Fig. 2 is a schematic block diagram of an intelligent management device according to an embodiment of the present application.
Description of reference numerals: 1. a primary power generation element; 2. an auxiliary power generation member; 3. a bidirectional energy storage converter; 4. an intelligent management device; 41. an electric quantity obtaining module; 42. a comparison module; 43. a processing module; 431. an adjustment unit; 432. a control unit; 44. a working time acquisition module; 45. a time comparison module; 46. a switching module; 47. a transition power supply module; 48. accessing a regulating module; 481. an acquisition unit; 482. an analog prediction unit; 483. a power adjusting unit; 49. a state detection module; 491. a temperature control module; 5. a main energy storage battery assembly; 6. an auxiliary energy storage battery assembly; 7. a power controller; 8. a temperature control device; 81. semiconductor refrigeration piece.
Detailed Description
The embodiment of the application discloses temporary power supply electric power design auxiliary system.
Referring to fig. 1 and 2, a temporary power supply power design auxiliary system includes a main power generator 1, an auxiliary power generator 2, a bidirectional energy storage converter 3, an intelligent management device 4, a main energy storage battery assembly 5, an auxiliary energy storage battery assembly 6, and a power controller 7. Wherein main power generation spare 1, supplementary power generation spare 2 all adopts hydrogen fuel cell power generation facility, main energy storage battery subassembly 5, supplementary energy storage battery subassembly 6 is the battery pack, can adopt the lithium cell subassembly, main energy storage battery subassembly 5, supplementary energy storage battery subassembly 6 sets up in parallel, power controller 7 adopts electronic power controller 7, main energy storage battery subassembly 5, supplementary energy storage battery subassembly 6 all is coupled with a power controller 7, of course in other embodiments also can adopt the power controller 7 of a many control positions to replace the output of controlling main energy storage battery subassembly 5, supplementary energy storage battery subassembly 6.
The bidirectional energy storage converter 3 is used for converting direct currents output by the main energy storage battery assembly 5 and the auxiliary energy storage battery assembly 6 into alternating currents, and converting alternating currents output by the main power generation component 1 and the auxiliary power generation component 2 into direct currents for charging the main energy storage battery assembly 5 and the auxiliary energy storage battery assembly 6.
The intelligent management device 4 is a computer, and the intelligent management device 4 includes an electric quantity obtaining module 41, a comparing module 42, a processing module 43, a working time obtaining module 44, a time comparing module 45, a switching module 46, a transition power supply module 47, an access adjusting module 48, and a temperature control module 491; the electric quantity obtaining module 41, the comparing module 42, the processing module 43, the working time obtaining module 44, the time comparing module 45, the switching module 46, the transition power supply module 47, the access adjusting module 48, the state detecting module 49 and the temperature control module 491 are all system modules in a computer.
The electric quantity obtaining module 41 is configured to, in the parallel operation power supply mode, directly perform voltage detection on the two ends of the main energy storage battery assembly 5 and the auxiliary energy storage battery assembly 6 through a voltage probe or other electric quantity detection instruments, and obtain electric quantity information of the main energy storage battery assembly 5 and electric quantity information of the auxiliary energy storage battery assembly 6;
the comparison module 42 is configured to compare the electric quantity information with preset standard information to obtain a comparison result, where the comparison result includes a power shortage result of the main energy storage battery assembly 5 and a power shortage result of the auxiliary energy storage battery assembly 6; specifically, the more sufficient the electric quantity of the battery is, the higher the voltage of the battery is, so that electric quantity information can be obtained reversely, for the detected electric quantity information, the computer compares the detected electric quantity information with standard information preset in the computer, the standard information is the voltage when the main energy storage battery assembly 5 is in power shortage and the auxiliary energy storage battery assembly 6 is in power shortage and cannot maintain stable output power, when the electric quantity information of the main energy storage battery assembly 5 is smaller than the standard information, a power shortage result of the main energy storage battery assembly 5 is obtained, otherwise, a normal result of the main energy storage battery assembly 5 is obtained; when the electric quantity information of the auxiliary energy storage battery assembly 6 is smaller than the standard information, obtaining an electricity shortage result of the auxiliary energy storage battery assembly 6, otherwise obtaining a normal result of the auxiliary energy storage battery assembly 6;
the processing module 43 is configured to respond to the power boost of the auxiliary energy storage battery assembly 6 and the gradual shutdown of the main energy storage battery assembly 5 according to the power shortage result of the main energy storage battery assembly 5; according to the power shortage result of the auxiliary energy storage battery assembly 6, making a response of increasing the power of the main energy storage battery assembly 5 and gradually closing the auxiliary energy storage battery assembly 6; specifically, the method comprises the following steps: the processing module 43 includes a control unit 432 and an adjusting unit 431, and if the parallel operation supplies power to the main energy storage battery assembly 5, after obtaining a power shortage result of the main energy storage battery assembly 5, it indicates that the output power of the main energy storage battery assembly 5 cannot be maintained, wherein the control unit 432 is configured to make a response of controlling the power controller 7 to raise the power of the auxiliary energy storage battery assembly 6 and gradually close the main energy storage battery assembly 5 after obtaining the power shortage result of the main energy storage battery assembly 5; if the auxiliary energy storage battery assembly 6 is powered by the parallel operation, the power shortage result of the auxiliary energy storage battery assembly 6 can be obtained, and a response of increasing the power of the main energy storage battery assembly 5 and gradually closing the auxiliary energy storage battery assembly 6 is correspondingly made.
Meanwhile, in order to reduce the influence on the output power when the energy storage battery assembly and the auxiliary energy storage battery assembly 6 are switched, the processing module 43 is provided with the adjusting unit 431 for controlling the sum of the power of the auxiliary energy storage battery assembly 6 and the power of the main energy storage battery assembly 5 to be constant, so that the main energy storage battery assembly 5 does not need to be charged, the total power output by the system in the parallel operation power supply mode is maintained, and the terminal load can normally work.
Since the service life of the battery assembly is reduced when the battery assembly is not used for a long time, in order to maintain the service life of the auxiliary energy storage battery assembly 6, the working time acquiring module 44, the time comparing module 45 and the switching module 46 are provided.
The working time obtaining module 44 is configured to count the power supply time of the main energy storage battery assembly 5 in an off-grid power supply mode and a grid-connected power supply mode, obtain time information, and then the time comparison module 45 compares the time information with a preset standard time; after the time information of the main energy storage battery assembly 5 exceeds the standard time, it indicates that the auxiliary energy storage battery assembly 6 has not operated for a long time, and is not beneficial to the long-term use of the auxiliary energy storage battery assembly 6, the switching module 46 controls the power controller 7 to gradually reduce the output power of the main energy storage battery assembly 5 until the output power is 0, gradually increase the output power of the auxiliary energy storage battery assembly 6 to the highest gear to supply power instead of the main energy storage battery assembly 5, after the output power of the main energy storage battery assembly 5 is reduced to 0, the intelligent management device 4 controls the bidirectional energy storage transducer to charge the main energy storage battery assembly 5, and after the auxiliary energy storage battery assembly 6 continuously operates for exceeding the standard time, the same operation is also performed, the output power of the auxiliary energy storage battery assembly 6 is reduced to 0, and charging is performed, and the output power of the main energy storage battery assembly 5 is increased to the highest gear to supply power, therefore, under the off-grid power supply mode, the main energy storage battery assembly 5 and the auxiliary energy storage battery assembly 6 are used for exchanging power, so that the main energy storage battery assembly 5 and the auxiliary energy storage battery assembly 6 are not easy to have too long non-operating time, and the problem of too much active substances in the battery assembly failing is caused.
In addition, under the condition that the off-grid power supply mode is in transition to the grid-connected power supply mode, the hydrogen fuel cell power generation equipment can enter a stable power supply state after being started for a period of starting time, meanwhile, the hydrogen fuel cell power generation equipment needs time when personnel start the hydrogen fuel cell power generation equipment, and the power cannot be maintained during the period of time.
The transition power supply module 47 is used for controlling the power controller 7 to boost the power of the main energy storage battery assembly 5 and the auxiliary energy storage battery assembly 6, so that the total power of the two can reach the power supply requirement, and then after detecting the access signal of the main power generating part 1, to explain this fact that the hydrogen fuel cell power plant has started up, since the hydrogen fuel cell power plant has a start-up process, the generated power of the power generation device is required to be stable after being started for a period of time, therefore, the mode that the access adjusting module 48 gradually reduces the output power of the auxiliary energy storage battery assembly 6 until the auxiliary energy storage battery assembly 6 is closed needs to be adopted, the auxiliary energy storage battery assembly 6 cannot be directly closed just after the main power generation device 1 is accessed, and in addition, in order to maintain the stability of the power supply power at the period of time, the access adjusting module 48 of the application can also control the descending speed of the output power of the auxiliary energy storage battery assembly 6 to be the same as the increasing speed of the output power of the main power generation device 1 through the power controller 7.
Specifically, the method comprises the following steps: the access adjusting module 48 specifically includes an obtaining unit 481, an analog predicting unit 482 and a power adjusting unit 483.
The acquiring unit 481 is configured to acquire a power voltage signal output by the main power generator 1, where the output power of the main power generator 1 is related to a voltage, and the voltage of the main power generator may be acquired by the voltage detector as the power voltage signal;
the analog prediction unit 482 is used for predicting a time power curve of the main power generation part 1 according to the power voltage signal and a preset signal prediction model; specifically, the signal prediction model may be a curve model obtained by continuously collecting and fitting the power voltage signal in a specific time period after the main power generation part 1 is started in advance in a laboratory, the specific time period may be 1 minute or 2 minutes, after the power voltage signal is obtained, the power voltage signal is compared with the signal prediction model to obtain a coordinate of the power voltage signal falling on the curve model, and a curve of the power voltage signal in the curve model after corresponding time is intercepted to be used as a time-power curve;
the power adjusting unit 483 is used for adjusting the output power of the auxiliary energy storage battery assembly 6 according to the time-power curve, so that the reduction speed of the output power of the auxiliary energy storage battery assembly 6 is the same as the increase speed of the output power of the main power generation component 1; specifically, the method comprises the following steps: after a time power curve is obtained, calculating a value after the power voltage signal of the time power curve changes every 1S, and controlling the power controller 7 to reduce the output power of the auxiliary energy storage battery assembly 6 by the same value, so that the total power generated by the auxiliary energy storage battery assembly 6 and the main power generation component 1 is unchanged, and the output power of the power generation system is more stable.
Meanwhile, in order to keep the hydrogen fuel cell power plant capable of stable operation, the present application provides a state detection module 49 and a temperature control module 491.
Referring to fig. 1 and 2, since the hydrogen gas is influenced by the stored quantity when being delivered to the hydrogen fuel cell power generation device, the hydrogen fuel cell power generation device will have a velocity change, which will cause the quantity of hydrogen ions captured by the hydrogen fuel cell power generation device in the same time to be influenced, which will cause the output power of the main power generation element 1 to be influenced, the state detection module 49 is used to detect the output power of the main power generation element 1 through the electric energy meter arranged on the main power generation element 1, to obtain the power state information, and the electric power of the hydrogen fuel cell is related to the hydrogen ion concentration of the electrolyte thereof, to obtain the power state information of the main power generation element 1, compare the power state information with the preset standard power value range, if the power state information is lower than the standard power value range, the temperature control module 491 is controlled to heat the hydrogen cavity of the main power generation element 1, so that the gas in the hydrogen chamber will expand, the osmotic pressure of the hydrogen ions is increased, the concentration of the hydrogen ions in the electrolyte of the main power generation element 1 is adjusted and detected, the hydrogen-oxygen combination reaction is accelerated, so that the output power of the main power generation element 1 is improved, and when the power state information is higher than the standard power value range, the temperature of the hydrogen chamber is reduced, so that the power of the main power generation element 1 is kept stable.
Specifically, the method comprises the following steps: the temperature control device 8 comprises two semiconductor refrigerating pieces 81, the two semiconductor refrigerating pieces 81 are fixedly connected with the inner wall of the hydrogen chamber of the main power generation part 1, the surface, located in the hydrogen chamber, of one semiconductor refrigerating piece 81 is a refrigerating surface, the surface, located in the hydrogen chamber, of the other semiconductor refrigerating piece 81 is a heating surface, and the semiconductor refrigerating pieces 81, located in the hydrogen chamber, of the refrigerating surface are started when the hydrogen chamber is cooled; when the hydrogen chamber is heated, the semiconductor refrigeration sheet 81 with the heating surface located in the hydrogen chamber is started, so that the output power of the main power generation part 1 is adjusted, and the output of the main power generation part 1 is more stable. In addition, the auxiliary power generator 2 may also be provided with a corresponding state detection module 49, a temperature control module 491 and a temperature control device 8 to adjust the output power of the auxiliary power generator 2.
The implementation principle of the temporary power supply power design auxiliary system in the embodiment of the application is as follows: this application is through setting up supplementary energy storage battery pack 6 and power controller 7, thereby refer to power controller 7 through intelligent management device 4 and to supplementary energy storage battery pack 6, main energy storage battery pack 5's power is adjusted, adjust output power between them and control supplementary energy storage battery pack 6, opening and closing of main energy storage battery pack 5, under the parallel operation mode, after main energy storage battery pack 5's electric quantity crosses lowly, intelligent management device 4 can reduce main energy storage battery pack 5's output, supplementary energy storage battery pack 6's power risees the numerical value that main energy storage battery pack 5's output reduced, thereby maintain parallel operation mode output's stability of system, need not to charge and lead to the power decline of output main energy storage battery pack 5, make terminal load equipment can the steady operation.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a temporary power supply electric power designs auxiliary system, main power generation spare (1), auxiliary power generation spare (2) and two-way energy storage converter (3), its characterized in that: the intelligent energy storage battery pack comprises a main energy storage battery pack (5), an auxiliary energy storage battery pack (6) and a power controller (7), wherein the power controller (7) is controlled by the intelligent management device (4) and is used for adjusting the output power of the main energy storage battery pack (5) and the auxiliary energy storage battery pack (6), and the main energy storage battery pack (5) and the auxiliary energy storage battery pack (6) are arranged in parallel;
wherein the intelligent management device (4) comprises:
the electric quantity acquisition module (41) is used for detecting the electric quantities of the main energy storage battery assembly (5) and the auxiliary energy storage battery assembly (6) in the parallel operation power supply mode to acquire electric quantity information;
the comparison module (42) is used for comparing the electric quantity information with preset standard information to obtain a comparison result, wherein the comparison result comprises a power shortage result of the main energy storage battery assembly (5) and a normal result of the main energy storage battery assembly (5); and (c) a second step of,
and the processing module (43) is used for making a response of increasing the power of the auxiliary energy storage battery assembly (6) and gradually closing the main energy storage battery assembly (5) according to the power shortage result of the main energy storage battery assembly (5).
2. A temporary power supply power design assistance system according to claim 1, characterized in that the intelligent management device (4) further comprises:
and the adjusting unit (431) is used for controlling the power of the auxiliary energy storage battery assembly (6) and the power sum of the main energy storage battery assembly (5) to be constant.
3. A temporary power supply power design assistance system according to claim 2, characterized in that the intelligent management device (4) further comprises:
the working time acquisition module (44) is used for detecting the power supply time of the main energy storage battery assembly (5) or the auxiliary energy storage battery assembly (6) in an off-grid power supply mode to acquire time information;
the time comparison module (45) is used for comparing the time information with preset standard time; and the number of the first and second groups,
and the switching module (46) is used for switching the auxiliary energy storage battery assembly (6) to supply power and charge the main energy storage battery assembly (5) after the time information of the main energy storage battery assembly (5) exceeds the standard time or switching the main energy storage battery assembly (5) to supply power and charge the auxiliary energy storage battery assembly (6) after the time information of the auxiliary energy storage battery assembly (6) exceeds the standard time.
4. A temporary power supply power design assistance system according to claim 1, characterized in that the intelligent management device (4) further comprises:
the transition power supply module (47) is used for starting in an off-grid power supply mode transition grid-connected power supply mode, controlling the power controller (7) to improve the power of the main energy storage battery assembly (5) and the auxiliary energy storage battery assembly (6), and gradually reducing the output power of the auxiliary energy storage battery assembly (6) until the auxiliary energy storage battery assembly (6) is closed after an access signal of the main power generation piece (1) is detected.
5. A temporary power supply power design assistance system according to claim 4, characterized in that the power controller (7) is further configured to control the power of the primary power generation element (1), the intelligent management device (4) further comprising:
and the access adjusting module (48) is used for acquiring an access signal and controlling the descending speed of the output power of the auxiliary energy storage battery assembly (6) to be the same as the increasing speed of the output power of the main power generation part (1).
6. A temporary power supply power design assistance system according to claim 5, characterized in that the access regulation module (48) comprises:
the acquisition unit (481) is used for acquiring a power voltage signal output by the main power generation part (1);
the simulation prediction unit (482) is used for predicting a time power curve of the main power generation part (1) according to the power voltage signal and a preset signal prediction model;
and the power adjusting unit (483) is used for adjusting the output power of the auxiliary energy storage battery assembly (6) according to a time-power curve so that the descending speed of the output power of the auxiliary energy storage battery assembly (6) is the same as the increasing speed of the output power of the main power generation part (1).
7. A temporary power supply power design assistance system according to claim 1, characterized in that the main power generation element (1) employs a hydrogen fuel cell power generation device, and the intelligent management device (4) further comprises:
the state detection module (49) is used for acquiring power state information of the main power generation part (1);
and the temperature control module (491) is used for controlling the temperature of a hydrogen chamber in the main power generation part (1) through a temperature control device (8) arranged on the main power generation part (1) according to the power state information so as to adjust the electric power of the main power generation part.
8. A temporary power supply power design assistance system according to claim 7, wherein: temperature control device (8) include semiconductor refrigeration piece (81), semiconductor refrigeration piece (81) are equipped with two, one of them semiconductor refrigeration piece (81) are used for cooling down, another to the hydrogen room semiconductor refrigeration piece (81) are used for heating up to the hydrogen room.
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