CN216981597U - Centralized emergency power source wiring structure of green airport terminal 10kV - Google Patents
Centralized emergency power source wiring structure of green airport terminal 10kV Download PDFInfo
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- CN216981597U CN216981597U CN202220196703.6U CN202220196703U CN216981597U CN 216981597 U CN216981597 U CN 216981597U CN 202220196703 U CN202220196703 U CN 202220196703U CN 216981597 U CN216981597 U CN 216981597U
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Abstract
A10 kV centralized emergency power supply wiring structure of a green airport terminal building comprises a firewood energy storage subsystem, a comprehensive energy subsystem and an emergency power supply control center, wherein the firewood energy storage subsystem is connected with the comprehensive energy subsystem through a 10kV section switch, and the emergency power supply controls and coordinates the operation of the comprehensive energy subsystem and the firewood energy storage subsystem. Compared with the traditional emergency power supply scheme of the terminal building, the emergency power supply scheme has the advantages that the configuration quantity of the diesel generators can be reduced, the influence of noise, smoke, vibration and the like of the diesel generators on the comfort of the terminal building is reduced, the one-time investment of equipment, civil engineering, installation and the like and the operation and maintenance cost of the diesel generators are reduced, and meanwhile, the reliability of the emergency power supply of the terminal building is improved because the wind power generation, the photovoltaic power generation, the cold-hot power combined supply generator and the energy storage exist as distributed power supplies.
Description
Technical Field
The utility model relates to an emergency power supply wiring structure, in particular to a green airport terminal 10kV centralized emergency power supply wiring structure.
Background
The airport terminal of large-scale airport is the especially important place in the traffic building, and inside corollary equipment is many, and personnel density is high, and the interruption power supply will cause the serious confusion of order, according to the design code requirement, need be equipped with diesel generator, provides emergency power supply for all kinds of safety inspection equipment, fire-fighting equipment, emergency lighting, emergency elevator etc. especially important loads in the airport terminal. Because the building area of the terminal building is very large and is limited by 380V power supply distance, a subarea power supply scheme is adopted, a plurality of 380V low-voltage distribution rooms are arranged, and diesel generator rooms with different capacities are independently arranged according to the size of important loads connected with the distribution rooms. Taking a newly-built large airport terminal building in China as an example, 13 380V distribution rooms are arranged in total, 9 diesel generator rooms are arranged next to 9 distribution rooms, and 1 diesel generator with different capacities is arranged in each room. The diesel generator rooms are mostly arranged on underground equipment layers of the airport terminal, the comfort of personnel in the airport terminal is not greatly influenced by vibration, noise, waste gas emission and the like when the diesel generator runs, but the fire risk caused by oil consumption of the diesel generator is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a 10kV centralized emergency power supply wiring structure which is simple in electric wiring, reliable in operation, low in engineering investment and operation cost and capable of realizing multi-access by utilizing novel technologies such as wind, light, storage and charging.
The technical scheme provided by the utility model is that a 10kV centralized emergency power connection structure of a green airport terminal comprises a diesel engine energy storage subsystem, an integrated energy subsystem and an emergency power control center, wherein the diesel engine energy storage subsystem is connected with the integrated energy subsystem through a 10kV switch, and the emergency power control coordinately controls the operation of the integrated energy subsystem and the diesel engine energy storage subsystem;
the diesel power generation energy storage subsystem comprises a 10kV fixed diesel generator, a 10kV movable diesel generator car, a 10kV movable energy storage car, a 10kV security transformer, a 380V security load, a 10kV security I-section bus and a 380V security bus; the 10kV safety I section bus is connected with a 10kV fixed diesel generator, a 10kV movable diesel generator car, a 10kV movable energy storage car and a 10kV safety transformer through a 10kV switch, and the 380V safety bus is connected with the 10kV safety transformer and a 380V safety load through a 380V switch;
the comprehensive energy subsystem comprises a photovoltaic power generation system, a wind power generation system, an energy storage device, a V2G charging pile, an electric vehicle, a combined cooling heating and power generator, a 10kV distribution transformer, a 380V load, a 380V bus, a 10kV load and a 10kV security II-section bus; the 10kV security II-section bus is connected with a 10kV transformer, a combined cooling heating and power generator and a 10kV load through a 10kV switch, and the 380V bus is connected with a photovoltaic power generation system, a wind power generation system, an energy storage device, a V2G charging pile, a 10kV transformer and a 380V load through a 380V switch.
Further, the capacity of the 10kV fixed diesel generator is the largest one of the calculated emergency load values of 380V distribution rooms of the airport terminal.
Furthermore, the power of the energy storage device is the maximum power of the fixed diesel generator of not less than 10kV, and the capacity of the energy storage device is not less than the generated energy of the fixed diesel generator of 10kV for 2 hours.
The wiring structure of the green airport terminal 10kV centralized emergency power supply adopts single bus sectionalized wiring, and 10kV sectionalized switches are arranged among buses. The 10kV section switch and the 10kV security transformer high-voltage side switch are normally closed, and when the commercial power of a distribution room of the terminal building is lost due to a fault, the power supply to important loads can be recovered only by closing the 10kV security transformer low-voltage side 380V switch.
When the commercial power of each distribution room of the terminal building is normal, the electric energy generated by photovoltaic, wind power and combined cooling heating and power supply in the comprehensive energy subsystem can charge the energy storage device, the electric automobile can be charged through the V2G charging pile, and the surplus electric energy can supply power for 380V loads nearby or supply power for each power utilization place of the terminal building through a 10kV distribution transformer.
When one of the mains supplies in a certain distribution room of the terminal building loses power, a 10kV fixed diesel generator is immediately started through an emergency power control center; when the other commercial power of the distribution room is lost, a part of 380V load and 10kV load in the comprehensive energy subsystem are cut off immediately, a 380V switch at the low-voltage side of a 10kV security transformer is closed, and the comprehensive energy subsystem supplies power for important loads of the station building which are lost; and when the power supply requirement of the important load of power loss cannot be met, the power switch of the 10kV fixed diesel generator is turned on.
When one high-voltage power supply of the airport transformer substation loses power, the mobile diesel generator car and the mobile energy storage car are driven to be close to a 10kV centralized emergency power supply interface, so that power supply of all important loads of the airport transformer substation is met when the other high-voltage power supply of the airport transformer substation loses power.
Compared with the prior art, the utility model has the advantages of simple wiring structure, reliable operation, low engineering investment, low operation cost and the like, and is specifically embodied as follows: the configuration number of the diesel generators is reduced; the influence of noise, smoke, vibration and the like of the diesel generator on the comfort of the terminal building is reduced; reducing the fire risk of the terminal building; the installation cost and the later operation and maintenance cost of the diesel generator are reduced; the distributed power supply is used as a part of the emergency power supply, so that energy conservation and emission reduction are promoted, and the positive effects of the distributed power supply are fully exerted.
Drawings
Fig. 1 is a schematic diagram of a wiring structure of a 10kV centralized emergency power supply of a green airport terminal building in an embodiment of the utility model.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific embodiments.
Referring to fig. 1, the emergency power supply control system comprises an integrated energy subsystem, a diesel engine energy storage subsystem and an emergency power supply control center, wherein the integrated energy subsystem and the diesel engine energy storage subsystem are connected through a 10kV switch, and the emergency power supply control center performs cooperative operation and control on the integrated energy subsystem and the diesel engine energy storage subsystem according to various operation requirements and control strategies of an airport.
The comprehensive energy subsystem is formed by wind-solar energy storage and charging and combined cooling, heating and power supply, and specifically comprises a photovoltaic power generation system, a wind power generation system, an energy storage device, a V2G charging pile, an electric vehicle, a combined cooling, heating and power supply generator, a 10kV distribution transformer, a 380V load, a 380V bus, a 10kV load and a 10kV security II-section bus; the 10kV security II-section bus is connected with a 10kV transformer, a cold-hot-electricity triple power generator and a 10kV load through a 10kV switch, and the 380V bus is connected with a photovoltaic power generation system, a wind power generation system, an energy storage device, a V2G charging pile, a 10kV transformer and a 380V load through a 380V switch.
The diesel power generation energy storage subsystem comprises a 10kV fixed diesel generator, a 10kV movable diesel generator car, a 10kV movable energy storage car, a 10kV security transformer, a 380V security load, a 10kV security I-section bus, a 380V security bus and the like. A10 kV security I section bus is connected with a 10kV fixed diesel generator, a 10kV movable diesel generator car, a 10kV movable energy storage car and a 10kV security transformer through a 10kV switch. The 380V safety bus is connected with a 10kV safety transformer and a 380V safety load through a 380V switch.
The principle of the configuration of the various devices in this embodiment is as follows: the 10kV fixed diesel generator is provided with 1 diesel generator, and the largest one of 380V distribution room emergency load calculation values of a capacity acquisition station building is obtained; the power of the 380V fixed energy storage device is not less than the maximum power of a 10kV fixed diesel generator, and the capacity is calculated according to 2 hours;
the photovoltaic power generation system, the wind power generation system, the combined cooling heating and power generator, the 10kV mobile diesel-electric power generation vehicle, the 10kV mobile energy storage vehicle and the V2G charging pile in the embodiment can also be flexibly composed of one or more types, and the installation capacity can be considered according to the comprehensive consideration of the reliability of the commercial power of the terminal building, the size of the emergency load, the endowment of airport resources, the requirements of owners and the economy.
Feasibility of this example:
(1) due to the fact that the reliability of power supply of a power grid is greatly improved, the probability of large-area power failure of an airport is low, and extremely favorable conditions are provided for optimization of an emergency power supply scheme of an airport terminal. According to research, diesel generators at certain airports in China have never been operated with important loads except daily operation and maintenance since 2010.
(2) According to the requirements of 'Green airport planning guide rules' and 'civil airport intelligent energy management system construction guide' airport construction requirements and environmental conditions are combined, and the use proportion of clean energy, particularly renewable energy is improved. The specific method comprises the following steps: 1) in areas with sufficient solar energy resources, a photovoltaic power generation system is suitable to be arranged on the roof of an airport building and other positions; 2) in areas with rich wind resources, a wind power generation system can be arranged on the premise of not influencing the safe operation of an airport; 3) an energy storage device is preferably arranged in an open area such as a parking lot; 4) in areas with good natural gas supply conditions, after technical and economic demonstration is reasonable, a natural gas combined cooling heating and power technology is suitable; 5) utilize V2G to fill electric pile, both can utilize clean energy or commercial power to charge to electric automobile, also can be after the commercial power trouble has a power failure, release the electric energy of storing in the electric automobile battery, for important load guarantor's electricity.
The working principle of the utility model is illustrated as follows:
1) when the commercial power of each distribution room of the terminal building is normal, through the cooperative control of the emergency power supply control center, the electric energy generated by the photovoltaic, wind power and combined cooling, heating and power supply in the comprehensive energy subsystem can charge the energy storage device, the electric automobile can be charged through the V2G charging pile, and the surplus electric energy can supply power for 380V loads nearby or supply power for each power utilization place of the terminal building through a 10kV distribution transformer.
2) When one of the mains supplies in a certain distribution room of the terminal building loses power, a 10kV fixed diesel generator is immediately started through an emergency power supply control center to prepare for supplying important emergency loads; when the other commercial power of the distribution room is lost, according to the size of the important load lost, a part of 380V load and 10kV load in the comprehensive energy subsystem are cut off immediately, and a 380V switch at the low-voltage side of a 10kV security transformer is closed to supply power for the important load lost; when all 380V loads and 10kV loads in the comprehensive energy subsystem are removed, the combined cooling, heating and power supply of the photovoltaic power generation and the wind driven generator is in a working state, the 380V fixed energy storage device is in a discharging state, the electric automobile is also discharged through V2G, and the power supply requirement of important loads of power loss cannot be met, a power switch of the 10kV fixed diesel generator is turned on, and at the moment, the 10kV centralized emergency power supply system of the terminal building is separated from a commercial power system and is in an off-grid operation mode.
3) When a high-voltage power supply of the airport transformer substation is powered off, the emergency power supply control system prompts an operator to drive the mobile diesel generator car and the mobile energy storage car to be close to a 10kV centralized emergency power supply interface of the mobile diesel generator car and the mobile energy storage car so as to ensure that the power supply of all important loads of the airport building is met when the other high-voltage power supply of the airport transformer substation is powered off.
4) And only when a 10kV fixed diesel generator or a 10kV movable diesel generator and a 10kV movable energy storage vehicle in the diesel power generation and energy storage subsystem are merged into a 10kV centralized emergency power supply system of the station building, the 10kV centralized emergency power supply system of the station building is separated from a public network of a power system and is in an off-network operation mode, and the off-network operation mode and the comprehensive energy subsystem formed by wind, light, storage and charging and combined cooling, heating and power supply provide emergency power supply for important loads of the station building.
By using the utility model, namely the wiring structure of the 10kV centralized emergency power supply of the green airport terminal, the distributed power supply is used as a part of the emergency power supply, so that the configuration number of the diesel generators is reduced, the matching construction cost of a diesel generator room is reduced, the operation and maintenance cost of the diesel generators is reduced, meanwhile, the energy conservation and emission reduction are promoted, and the positive effects of the distributed power supply are fully exerted.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (3)
1. The utility model provides a centralized emergency power supply wiring structure of green airport terminal building 10kV which characterized in that: the emergency power supply control system comprises a firewood energy storage subsystem, an integrated energy subsystem and an emergency power supply control center, wherein the firewood energy storage subsystem is connected with the integrated energy subsystem through a 10kV switch, and the emergency power supply controls and coordinates the operation of the integrated energy subsystem and the firewood energy storage subsystem;
the diesel power generation energy storage subsystem comprises a 10kV fixed diesel generator, a 10kV mobile diesel generator car, a 10kV mobile energy storage car, a 10kV security transformer, a 380V security load, a 10kV security I-section bus and a 380V security bus; the 10kV safety I section bus is connected with a 10kV fixed diesel generator, a 10kV movable diesel generator car, a 10kV movable energy storage car and a 10kV safety transformer through a 10kV switch, and the 380V safety bus is connected with the 10kV safety transformer and a 380V safety load through a 380V switch;
the comprehensive energy subsystem comprises a photovoltaic power generation system, a wind power generation system, an energy storage device, a V2G charging pile, an electric vehicle, a combined cooling heating and power generator, a 10kV distribution transformer, a 380V load, a 380V bus, a 10kV load and a 10kV security II-section bus; the 10kV security II-section bus is connected with a 10kV transformer, a combined cooling heating and power generator and a 10kV load through a 10kV switch, and the 380V bus is connected with a photovoltaic power generation system, a wind power generation system, an energy storage device, a V2G charging pile, a 10kV transformer and a 380V load through a 380V switch.
2. The green airport terminal building 10kV centralized emergency power wiring structure of claim 1, wherein: the capacity of the 10kV fixed diesel generator is the maximum one of emergency load calculation values of 380V distribution rooms of the terminal building.
3. The green airport terminal building 10kV centralized emergency power wiring structure of claim 1, wherein: the power of the energy storage device is not less than the maximum power of the 10kV fixed diesel generator, and the capacity of the energy storage device is not less than the generated energy of the 10kV fixed diesel generator for 2 hours.
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| CN202220196703.6U CN216981597U (en) | 2022-01-24 | 2022-01-24 | Centralized emergency power source wiring structure of green airport terminal 10kV |
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| CN202220196703.6U CN216981597U (en) | 2022-01-24 | 2022-01-24 | Centralized emergency power source wiring structure of green airport terminal 10kV |
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