CN114123332A - Nuclear power and solar energy complementary power supply management system - Google Patents
Nuclear power and solar energy complementary power supply management system Download PDFInfo
- Publication number
- CN114123332A CN114123332A CN202111431886.1A CN202111431886A CN114123332A CN 114123332 A CN114123332 A CN 114123332A CN 202111431886 A CN202111431886 A CN 202111431886A CN 114123332 A CN114123332 A CN 114123332A
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- China
- Prior art keywords
- power supply
- power
- switching
- management system
- solar energy
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Classifications
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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
- 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
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
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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
- 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
-
- 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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- 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
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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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of power management, and particularly relates to a nuclear power and solar complementary power supply management system which comprises nuclear power energy storage equipment connected with a nuclear power station, solar energy storage equipment connected with a photovoltaic power generation system, power supply switching equipment used for switching a power supply and a dynamic voltage restorer used for adjusting the output state during power supply switching.
Description
Technical Field
The invention belongs to the technical field of power management, and particularly relates to a nuclear power and solar complementary power supply management system.
Background
In order to adapt to special requirements and safety requirements of nuclear fuel operation, a nuclear power station is usually operated as the base load of a power grid in China, so that a nuclear power unit is difficult to realize the function of peak-shaving frequency modulation, even if a reactor core of a nuclear reactor is designed with a counter measure of peak-shaving frequency modulation, frequent actions of a nuclear fuel control rod can influence the design life of the nuclear reactor and the economic benefit of the nuclear power station, and the safe operation condition of the nuclear power station can be influenced by continuous fluctuation of nonlinear power in a large range.
Disclosure of Invention
The invention aims to provide a nuclear power and solar energy complementary power supply management system, which overcomes the defects of the prior art, supplements nuclear power by using solar energy, and can switch a user to solar energy power supply in a peak power utilization interval, thereby reducing the power consumption cost of the user in the peak power utilization interval and reducing the power consumption cost.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a nuclear power and solar energy complementary power supply management system comprises nuclear power energy storage equipment connected with a nuclear power generating station, solar energy storage equipment connected with a photovoltaic power generation system, power supply switching equipment used for switching a power supply and a dynamic voltage restorer used for adjusting the output state of the power supply during switching.
Further, the power monitoring management system comprises:
the state monitoring module is used for acquiring real-time state information of the nuclear power energy storage equipment and the solar energy storage equipment;
the processor is used for receiving and processing the state information and judging power supply switching according to the related signals;
the power supply switching controller is used for receiving the power supply switching signal and controlling the work of the power supply switching equipment;
the manual switching unit is used for receiving the operation control signal and transmitting the signal to the processor;
and the automatic switching unit is used for automatically judging the power supply switching condition according to the real-time state information and transmitting the judgment result to the processor.
Further, the real-time status information includes a total capacity, a remaining capacity percentage, an output voltage, and an output current.
Furthermore, the manual switching unit comprises a signal receiving module for receiving the control signal and a signal sending module for outputting the power state information, and the operation terminal judges according to the data of the signal sending module and manually controls the power switching equipment to switch the power.
Further, the automatic switching unit comprises a power switching logic library and a time module, the power switching logic library prestores the state of power switching and the operation of the corresponding state, and the power switching logic library and the time module are in bidirectional electric connection with the processor.
Further, the dynamic voltage restorer is configured to provide an intermediate power supply to a load when the power supply is switched, acquire current state information of the switched power supply, adjust the state information of the intermediate power supply to the current state information of the switched power supply, and supply power to the load by using the switched power supply when the adjusted state information of the intermediate power supply meets a switching condition.
Further, the state information of the intermediate power supply includes a phase and a frequency of the intermediate power supply, the phase of the intermediate power supply is between the phase of the main power supply and the phase of the switching power supply, and the frequency of the intermediate power supply is between the frequency of the main power supply and the frequency of the switching power supply.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the power supply switching equipment is adopted to switch between nuclear power supply and solar power supply, so that the collected solar energy is free from electricity charge generation, the electricity consumption cost is reduced, and the environmental pollution is reduced.
2. The invention adopts a dynamic voltage restorer to adjust the phase and frequency in the power supply switching process, and adopts intermediate power supply transition to protect the load.
Drawings
Fig. 1 is a schematic structural diagram of a nuclear power and solar complementary power supply management system.
Fig. 2 is a schematic block diagram of a power monitoring and management system in a nuclear power and solar complementary power supply management system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the nuclear power and solar complementary power supply management system of the present invention includes a nuclear power energy storage device connected to a nuclear power station, a solar energy storage device connected to a photovoltaic power generation system, a power switching device for switching a power supply, and a dynamic voltage restorer for adjusting an output state when switching the power supply, wherein the power switching device is further connected to a power monitoring management system for acquiring dynamics of the nuclear power energy storage device and the solar energy storage device, and controlling switching of the power supply according to a power switching logic.
The power monitoring management system includes:
the state monitoring module is used for acquiring real-time state information of the nuclear power energy storage equipment and the solar energy storage equipment;
the processor is used for receiving and processing the state information and judging power supply switching according to the related signals;
the power supply switching controller is used for receiving the power supply switching signal and controlling the work of the power supply switching equipment;
the manual switching unit is used for receiving the operation control signal and transmitting the signal to the processor;
and the automatic switching unit is used for automatically judging the power supply switching condition according to the real-time state information and transmitting the judgment result to the processor.
The real-time status information includes total capacity, percentage of remaining charge, output voltage, and output current.
The manual switching unit comprises a signal receiving module for receiving the control signal and a signal sending module for outputting power state information, and the operation terminal judges according to the data of the signal sending module and manually controls the power switching equipment to switch the power.
The automatic switching unit comprises a power supply switching logic library and a time module, the power supply switching logic library prestores the state of power supply switching and the operation of the corresponding state, and the power supply switching logic library and the time module are in bidirectional electric connection with the processor.
The dynamic voltage restorer is used for providing an intermediate state power supply for a load when the power supply is switched, acquiring the current state information of the switched power supply, adjusting the state information of the intermediate state power supply to the current state information of the switched power supply (standby power supply), and supplying power to the load by using the switched power supply when the adjusted state information of the intermediate state power supply meets the switching condition.
The state information of the intermediate state power supply includes a phase and a frequency of the intermediate state power supply, the phase of the intermediate state power supply is between a phase of the main power supply (current power supply) and a phase of the switching power supply (standby power supply), and the frequency of the intermediate state power supply is between the frequency of the main power supply and the frequency of the switching power supply.
In summary, according to the nuclear power and solar energy complementary power supply management system, when the system is used, the photovoltaic power generation system converts solar energy by using illumination and stores the solar energy in the solar energy storage equipment, and the nuclear power energy storage equipment charges energy by using electric energy transmitted by the nuclear power station at a trough period and supplies power to a load; the state monitoring module monitors the capacity and the residual electric quantity of the two energy storage devices, transmits signals to the processor, and sends the signals to the operation terminal through the signal generation module, and an operator of the operation terminal can judge whether the power supply needs to be switched according to data, so that the processor is controlled to send an instruction to the power supply switching controller, and then the power supply switching device is controlled to make corresponding action; in addition, the power switching logic library may be configured with power switching logic, such as: the solar energy storage energy or nuclear power energy storage is lower than a threshold value, switching between wave crests and wave troughs is set, and the automatic switching is realized by sending a power supply switching instruction at corresponding time in cooperation with a time module.
When the power supply is switched, the dynamic voltage restorer provides the intermediate power supply for the load, acquires the current state information of the switched power supply, adjusts the state information of the intermediate power supply to the current state information of the standby power supply, and supplies power to the load by using the standby power supply when the adjusted state information of the intermediate power supply meets the switching condition.
The user can switch to solar power supply in the peak power utilization interval, so that the power utilization cost of the user in the peak power utilization interval is reduced, and the power utilization cost is reduced; the peak-regulating and frequency-modulating operation for reducing the wave crests and the wave troughs of the nuclear power station can also protect the nuclear reactor, and the operation safety of the nuclear power station is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A nuclear power and solar energy complementary power supply management system is characterized in that: the power supply switching device is also connected with a power supply monitoring and management system and used for acquiring the dynamic state of the nuclear power energy storage device and the solar energy storage device and controlling the switching of the power supply according to power supply switching logic.
2. The nuclear power and solar energy complementary power supply management system according to claim 1, characterized in that: the power monitoring management system comprises:
the state monitoring module is used for acquiring real-time state information of the nuclear power energy storage equipment and the solar energy storage equipment;
the processor is used for receiving and processing the state information and judging power supply switching according to the related signals;
the power supply switching controller is used for receiving the power supply switching signal and controlling the work of the power supply switching equipment;
the manual switching unit is used for receiving the operation control signal and transmitting the signal to the processor;
and the automatic switching unit is used for automatically judging the power supply switching condition according to the real-time state information and transmitting the judgment result to the processor.
3. The nuclear power and solar energy complementary power supply management system according to claim 2, characterized in that: the real-time status information includes total capacity, percentage of remaining charge, output voltage, and output current.
4. The nuclear power and solar energy complementary power supply management system according to claim 2, characterized in that: the manual switching unit comprises a signal receiving module for receiving the control signal and a signal sending module for outputting power state information, and the operation terminal judges according to the data of the signal sending module and manually controls the power switching equipment to switch the power.
5. The nuclear power and solar energy complementary power supply management system according to claim 2, characterized in that: the automatic switching unit comprises a power supply switching logic library and a time module, the power supply switching logic library prestores the state of power supply switching and the operation of the corresponding state, and the power supply switching logic library and the time module are in bidirectional electric connection with the processor.
6. The nuclear power and solar energy complementary power supply management system according to claim 1, characterized in that: the dynamic voltage restorer is used for providing an intermediate state power supply for a load when the power supply is switched, acquiring the current state information of the switched power supply, adjusting the state information of the intermediate state power supply to the current state information of the switched power supply, and supplying power to the load by using the switched power supply when the adjusted state information of the intermediate state power supply meets the switching condition.
7. The nuclear power and solar energy complementary power supply management system according to claim 6, characterized in that: the state information of the intermediate state power supply comprises the phase and the frequency of the intermediate state power supply, the phase of the intermediate state power supply is between the phase of the main power supply and the phase of the switching power supply, and the frequency of the intermediate state power supply is between the frequency of the main power supply and the frequency of the switching power supply.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111431886.1A CN114123332A (en) | 2021-11-29 | 2021-11-29 | Nuclear power and solar energy complementary power supply management system |
| PCT/CN2021/141682 WO2023092794A1 (en) | 2021-11-29 | 2021-12-27 | Nuclear power and solar energy complementary power supply management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111431886.1A CN114123332A (en) | 2021-11-29 | 2021-11-29 | Nuclear power and solar energy complementary power supply management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114123332A true CN114123332A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111431886.1A Withdrawn CN114123332A (en) | 2021-11-29 | 2021-11-29 | Nuclear power and solar energy complementary power supply management system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114123332A (en) |
| WO (1) | WO2023092794A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099986B (en) * | 2016-08-03 | 2019-01-22 | 中广核研究院有限公司 | A kind of supply of isolated island comprehensive energy and safeguards system |
| CN108678915A (en) * | 2018-06-29 | 2018-10-19 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of nuclear energy and tower type solar photo-thermal combined generating system and electricity-generating method |
| CN108988739B (en) * | 2018-08-22 | 2020-12-11 | 中国科学院合肥物质科学研究院 | Nuclear reactor combined wind power and solar photovoltaic grid-connected power generation system |
| FR3086010B1 (en) * | 2018-09-18 | 2020-09-25 | Commissariat Energie Atomique | SYSTEM AND METHOD FOR THE PRODUCTION OF ELECTRIC ENERGY BY THERMODYNAMIC CYCLE FROM SOLAR ENERGY AND NUCLEAR ENERGY |
| CN111636933A (en) * | 2020-06-04 | 2020-09-08 | 中国科学院上海应用物理研究所 | Nuclear energy system and composite energy system based on same |
-
2021
- 2021-11-29 CN CN202111431886.1A patent/CN114123332A/en not_active Withdrawn
- 2021-12-27 WO PCT/CN2021/141682 patent/WO2023092794A1/en unknown
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| Publication number | Publication date |
|---|---|
| WO2023092794A1 (en) | 2023-06-01 |
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Application publication date: 20220301 |
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