CN208767800U - A kind of comprehensive generating system improving peak load regulation economy - Google Patents
A kind of comprehensive generating system improving peak load regulation economy Download PDFInfo
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- CN208767800U CN208767800U CN201821489812.7U CN201821489812U CN208767800U CN 208767800 U CN208767800 U CN 208767800U CN 201821489812 U CN201821489812 U CN 201821489812U CN 208767800 U CN208767800 U CN 208767800U
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Abstract
The comprehensive generating system of the raising peak load regulation economy of the utility model, thermal power generation unit is connected by fired power generating unit controller with comprehensive generating system controller, energy-storing and power-generating system is connected by energy-storage system controller with comprehensive generating system controller, comprehensive generating system controller receives the operation conditions of dispatching of power netwoks instruction source control thermal power generation unit and energy-storing and power-generating system that power grid is sent, it is simultaneously that power grid power supply or thermal power generation unit power generation are individually for power grid power supply by thermal power generation unit and energy-storing and power-generating system, and the extra load of thermal power generation unit is stored in energy-storing and power-generating system for future use, the load of energy-storing and power-generating system storage is used to power when thermal power generation unit needs load up to run for power grid, it realizes and the unit peak load of thermal power generation unit is shifted, avoid the wasting of resources, improve the economy of unit Property, reduce the carbon emission of unit generated energy.
Description
Technical field
The utility model relates to new energy network system more particularly to a kind of comprehensive electric generatings for improving peak load regulation economy
System.
Background technique
It is due to the intermittent of the renewable energy such as wind-powered electricity generation, photo-voltaic power supply and not true after renewable energy largely accesses power grid
Qualitative contradiction occur with electricity consumption side load stability requirement, power grid needs to be adjusted by unit generations such as thermoelectricity, water power
Peak operation, to safeguard power grid security and stability of power system.
Currently, the fired power generating unit as regulating units main in power grid carries out depth peaking operation more.And unit depth tune
Peak operation causes unit economy to reduce, and net coal consumption rate increases.It is some carry out depth regulating units performance test results show,
When depth peak regulation, unit net coal consumption rate increases 70-100g/kWh, net coal consumption rate than the net coal consumption rate under power unit in economic operation load
The carbon emission for increasing unit generated energy.Since fired power generating unit is in depth peaking operation, it is related to major pant item
Investment switching etc., in depth peak regulation, there is also gaps with power grid AGC demand for unit variable load operation performance, because of AGC modulability
It can meet the requirements, that is examined is costly, and the economy of unit variable load operation reduces.
Utility model content
In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a kind of raising peak load regulation economy
Comprehensive generating system, to improve the economy of peak load regulation operation.
The utility model uses following scheme to achieve the above object:
A kind of comprehensive generating system improving peak load regulation economy, including it is thermal power generation unit, energy-storing and power-generating system, comprehensive
Close electricity generation system controller, fired power generating unit controller and energy-storage system controller；
Thermal power generation unit is connected by fired power generating unit controller with comprehensive generating system controller, and energy-storing and power-generating system is logical
It crosses energy-storage system controller to be connected with comprehensive generating system controller, comprehensive generating system controller is used to receive power grid transmission
Dispatching of power netwoks instruction source, fired power generating unit controller and energy-storage system controller are used to execute the transmission of comprehensive generating system controller
Control instruction controls the operation conditions of thermal power generation unit and energy-storing and power-generating system；
Thermal power generation unit outlet is connected through switch and transformer with outlet bus, and energy-storing and power-generating system outlet is opened through another
It closes and transformer is connected with outlet bus, outlet bus accesses power grid, and thermal power generation unit outlet becomes through third switch and second
Depressor is connected with energy-storing and power-generating system inlet wire.
Further, the energy-storing and power-generating system is by can battery component, hydrogen manufacturing and the fuel cell unit of charge and discharge, compressed air
Energy storage unit, electric car parking lot charge-discharge system and electricity generation system composition.
Further, the energy-storing and power-generating system is by can battery component, hydrogen manufacturing and the fuel cell unit of charge and discharge, compressed air
Energy storage unit, electric car parking lot charge-discharge system and the gas power generation system composition using compressed air.
Further, the battery component-, hydrogen manufacturing and fuel cell unit-, compressed-air energy storage unit-and electric car stop
Parking lot charge-discharge system-is connected by one the 4th switch with energy-storing and power-generating system inlet wire respectively, while battery component-, hydrogen manufacturing
And fuel cell unit-, compressed-air energy storage unit-and electric car parking lot charge-discharge system-are opened by one the 5th respectively
Pass is connected with energy-storing and power-generating system outlet.
Further, thermal power generation unit outlet is successively through first switch, the first transformer and second switch and outlet bus
It is connected, energy-storing and power-generating system outlet is successively connected through the 6th switch, third transformer and the 7th switch with outlet bus, and outlet is female
Line accesses power grid, and thermal power generation unit outlet is switched through third and the second transformer is connected with energy-storing and power-generating system inlet wire.
Further, the outlet bus accesses power grid through switch.
The utility model has the following beneficial effects:
The comprehensive generating system of the utility model, thermal power generation unit pass through fired power generating unit controller and comprehensive generating system
Controller is connected, and energy-storing and power-generating system is connected by energy-storage system controller with comprehensive generating system controller, comprehensive electric generating system
Controller of uniting receives the operation conditions of dispatching of power netwoks instruction source control thermal power generation unit and energy-storing and power-generating system that power grid is sent,
It is simultaneously that power grid power supply or thermal power generation unit power generation are individually for power grid and supply by thermal power generation unit and energy-storing and power-generating system
The extra load of thermal power generation unit can be stored in energy-storing and power-generating system for future use by electricity, and energy-storing and power-generating system storage is born
Lotus is used to power when thermal power generation unit needs load up to run for power grid, realizes negative to the unit peak valley of thermal power generation unit
Lotus transfer, avoids the wasting of resources, improves the economy of unit, reduces the carbon emission of unit generated energy.
Detailed description of the invention
Fig. 1 is the utility model comprehensive generating system structural schematic diagram
In figure: 1- thermal power generation unit；2- energy-storing and power-generating system；2-1- battery component；2-2- hydrogen manufacturing and fuel cell unit；
2-3- compressed-air energy storage unit；2-4- electric car parking lot charge-discharge system；3- first switch；The first transformer of 4-；5-
Second switch；6- outlet bus；7- third switch；The second transformer of 8-；9- the 4th is switched；10- the 5th is switched；11- the 6th is opened
It closes；12- third transformer；13- the 7th is switched；14- dispatching of power netwoks instruction source；15- comprehensive generating system controller；16- thermoelectricity
Generator set controller；17- energy-storage system controller.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as practical to this
Novel restriction.
As shown in Figure 1, the comprehensive generating system of the utility model is made of thermal power generation unit 1 and energy-storing and power-generating system 2.
Thermal power generation unit 1 is connected by fired power generating unit controller 16 with comprehensive generating system controller 15, energy storing and electricity generating
System 2 is connected by energy-storage system controller 17 with comprehensive generating system controller 15, and comprehensive generating system controller 15 is used for
The dispatching of power netwoks instruction source 14 that power grid is sent is received, and gives fired power generating unit controller 16 and energy storage according to dispatching of power netwoks instruction source 14
System controller 17 sends control instruction, fired power generating unit controller 16 and energy-storage system controller 17 for executing comprehensive electric generating system
The control instruction that controller 15 of uniting is sent, controls the operation conditions of thermal power generation unit 1 and energy-storing and power-generating system 2.
1 outlet of thermal power generation unit is connected through first switch 3, the first transformer 4 and second switch 5 with outlet bus 6, storage
Energy 2 outlet of electricity generation system is connected through the 6th switch 11, third transformer 12 and the 7th switch 13 with outlet bus 6, outlet bus 6
Power grid is accessed through switch, 1 outlet of thermal power generation unit and 2 inlet wire of energy-storing and power-generating system pass through third switch 7 and the second transformer 8
It is connected.
The energy-storing and power-generating system 2 can be by can charge and discharge battery component 2-1, hydrogen manufacturing and fuel cell unit 2-2, pressure
The gas power generation system of contracting air energy storage unit 2-3 and electricity generation system composition or usable compressed air, are also possible to machine
The electric car parking lot charge-discharge system 2-4 of group direct-furnish.
Battery component 2-1, hydrogen manufacturing and fuel cell unit 2-2, compressed-air energy storage unit 2-3 and electric car parking lot are filled
Discharge system 2-4 passes through the 4th switch 9 respectively and is connected with 2 inlet wire of energy-storing and power-generating system, while battery component 2-1, hydrogen manufacturing
And fuel cell unit 2-2, compressed-air energy storage unit 2-3 and electric car parking lot charge-discharge system 2-4 pass through one respectively
5th switch 10 is connected with 2 outlet of energy-storing and power-generating system.
The comprehensive generating system working principle of the utility model is as follows:
When comprehensive generating system is connected to 1 load down of thermal power generation unit and depth of the transmission of comprehensive generating system controller 15
After peaking operation instruction, comprehensive generating system can store load-bearing capacity according to energy-storing and power-generating system 2, by thermal power generation unit 1
Extra load is sent to energy-storing and power-generating system 2, and energy-storing and power-generating system 2 is made to charge, and keeps the higher operating load of thermal power generation unit 1,
While improving unit economy, system loading and the power grid AGC instruction for exporting comprehensive generating system are consistent, and are met deep
Spend peaking operation requirement.
It is negative according to 1 liter of thermal power generation unit after comprehensive generating system is connected to 1 load up operating instruction of thermal power generation unit
Lotus characteristic makes thermal power generation unit 1 rise on-load according to its own operation characteristic, meanwhile, power grid AGC is instructed and thermal power generation
Power generation command of the difference as energy-storing and power-generating system 2 between unit 1 itself load up operation characteristic, enables energy-storing and power-generating system 2
It runs to grid generation.Also, when peak load of grid and thermal power generation unit 1 have been in economical operation load, storage is enabled
Energy electricity generation system 2 continues to grid generation, lays in energy storing space for system.In this way, meeting power grid to unit AGC
It is required that while, thermal power generation unit is contributed when increasing depth peak regulation, in peak load of grid demand, energy-storing and power-generating system 2
It powers to power grid, realizes the Time-spatial diversion of 1 load of thermal power generation unit, economy is improved, to reduce the carbon of unit generated energy
Discharge.
The comprehensive generating system of the utility model mainly includes following several methods of operation:
Mode one: when the received dispatching of power netwoks instruction source 14 of comprehensive generating system controller 15 requires unit load to be in machine
When between the high load region of group economical operation, thermal power generation unit 1 is run, and is opened by first switch 3, the first transformer 4, second
Institute's generated energy is sent to outlet bus 6 to power grid and is powered in pass 5.
Mode two: when dispatching of power netwoks instruction source 14 requires comprehensive generating system unit load to be in unit depth Peak Load
When section, thermal power generation unit 1 run, and by first switch 3, the first transformer 4, second switch 5 by institute's generated energy send to
Outlet bus 6 is powered to power grid.
Mode three: when workload demand moves towards the lowest point, dispatching of power netwoks instruction source 14 is required at comprehensive generating system unit load
At unit depth Peak Load section, comprehensive generating system controller 15 is according to 1 operation characteristic of thermal power generation unit and energy storage
Electricity generation system 2 actually can stored energy capacitance, load control order is decomposed, enable thermal power generation unit 1 run actual load
Are as follows: dispatching of power netwoks instruction source 14 requires load+to 2 energy storage load of energy-storing and power-generating system.At this moment, thermal power generation unit 1 both passed through
Institute's generated energy is sent to outlet bus 6 to power grid supply dispatching of power netwoks and is instructed by first switch 3, the first transformer 4, second switch 5
The electricity that source 14 requires, while also being powered by third switch 7, the second transformer 8 to energy-storing and power-generating system 2, to improve fire
The actual load that power generator group 1 is run reduces the carbon emission of unit generated energy.
Mode four: when network load is bottomed out, network load is increased, when starting to move towards peak load, comprehensive generating system
Controller 15 can suitably decompose unit load, by energy-storage system controller 17, energy-storing and power-generating system 2 be enabled to generate electricity, and through the 6th
Switch 11, third transformer 12, the 7th switch 13 are powered to outlet bus 6, meanwhile, by fired power generating unit controller 16, suitably
1 load of thermal power generation unit is controlled, it is made together, to realize dispatching of power netwoks instruction source 14 jointly with the power generation of energy-storing and power-generating system 2
It is required that shifting to realize to the unit peak load of thermal power generation unit 1, the economy of unit is improved, reduces unit power generation
The carbon emission of amount.
Mode five: when dispatching of power netwoks instruction source 14, which issues AGC load shedding, to be required, comprehensive generating system controller 15 will be fiery
1 operation characteristic of power generator group is compared with AGC load shedding instruction curve, according to 1 operation characteristic of thermal power generation unit and storage
Can electricity generation system 2 energy storage actually can stored energy capacitance, load control order is decomposed, enables thermal power generation unit 1 according to unit
The operation of load down characteristic curve, and the loaded portion that will exceed AGC load shedding instruction curve passes through third switch 7, the second transformation
Device 8 is powered to energy-storing and power-generating system 2, so that thermal power generation unit 1 be avoided to discharge excess steam because of load dump, realizes energy conservation
Purpose.
Mode six: when dispatching of power netwoks instruction source 14, which issues AGC load up, to be required, comprehensive generating system controller 15 will be fiery
1 operation characteristic of power generator group is compared with AGC load shedding instruction curve, according to 1 operation characteristic of thermal power generation unit and storage
Can electricity generation system 2 energy storage actually can stored energy capacitance, load control order is carried out to decompose fired power generating unit control instruction and energy storage system
Control instruction of uniting enables thermal power generation unit 1 run according to unit load up characteristic curve by fired power generating unit controller 16, and
The difference loaded portion of curve will be instructed to form energy-storage system control instruction with AGC load up, by energy-storage system controller 17,
It enables energy-storing and power-generating system 2 generate electricity, and powers through the 6th switch 11, third transformer 12, the 7th switch 13 to outlet bus 6, with
Thermal power generation unit 1 realizes the AGC load up requirement of dispatching of power netwoks instruction source 14 jointly, avoids the occurrence of because being unsatisfactory for AGC demand
And the loss examined.
Finally it should be noted that: above embodiments are merely to illustrate the technical solution of the utility model rather than limit it
System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art should be managed
Solution: specific implementation of the utility model can still be modified or equivalent replacement, and without departing from the utility model
Any modification of spirit and scope or equivalent replacement should all cover in present claims range.
Claims (6)
1. a kind of comprehensive generating system for improving peak load regulation economy, it is characterised in that: including thermal power generation unit (1), storage
It can electricity generation system (2), comprehensive generating system controller (15), fired power generating unit controller (16) and energy-storage system controller (17)；
Thermal power generation unit (1) is connected by fired power generating unit controller (16) with comprehensive generating system controller (15), energy storage hair
Electric system (2) is connected by energy-storage system controller (17) with comprehensive generating system controller (15), comprehensive generating system control
Device (15) is used to receive the dispatching of power netwoks instruction source (14) of power grid transmission, fired power generating unit controller (16) and energy-storage system controller
(17) for executing the control instruction of comprehensive generating system controller (15) transmission, thermal power generation unit (1) and energy storage hair are controlled
The operation conditions of electric system (2)；
Thermal power generation unit (1) outlet is connected through switch and transformer with outlet bus (6), energy-storing and power-generating system (2) outlet warp
Another switch and transformer are connected with outlet bus (6), and outlet bus (6) access power grid, thermal power generation unit (1) outlet is through the
Three switches (7) and the second transformer (8) are connected with energy-storing and power-generating system (2) inlet wire.
2. the system as claimed in claim 1, it is characterised in that: the energy-storing and power-generating system (2) by can charge and discharge battery pack
Part (2-1), hydrogen manufacturing and fuel cell unit (2-2), compressed-air energy storage unit (2-3), electric car parking lot charge-discharge system
(2-4) and electricity generation system composition.
3. the system as claimed in claim 1, it is characterised in that: the energy-storing and power-generating system (2) by can charge and discharge battery pack
Part (2-1), hydrogen manufacturing and fuel cell unit (2-2), compressed-air energy storage unit (2-3), electric car parking lot charge-discharge system
It (2-4) and is formed using the gas power generation system of compressed air.
4. system as claimed in claim 2 or claim 3, it is characterised in that: the battery component (2-1), hydrogen manufacturing and fuel cell unit
(2-2), compressed-air energy storage unit (2-3) and electric car parking lot charge-discharge system (2-4) are opened by one the 4th respectively
It closes (9) to be connected with energy-storing and power-generating system (2) inlet wire, while battery component (2-1), hydrogen manufacturing and fuel cell unit (2-2), compression sky
Gas energy storage unit (2-3) and electric car parking lot charge-discharge system (2-4) pass through one the 5th switch (10) and energy storage respectively
Electricity generation system (2) outlet is connected.
5. system as claimed in claim 4, it is characterised in that: thermal power generation unit (1) outlet successively through first switch (3),
First transformer (4) and second switch (5) are connected with outlet bus (6), and energy-storing and power-generating system (2) outlet is successively through the 6th switch
(11), third transformer (12) and the 7th switch (13) are connected with outlet bus (6), and outlet bus (6) accesses power grid, firepower hair
(1) outlet of motor group is connected through third switch (7) and the second transformer (8) with energy-storing and power-generating system (2) inlet wire.
6. system as claimed in claim 4, it is characterised in that: the outlet bus (6) accesses power grid through switch.
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| CN201821489812.7U CN208767800U (en) | 2018-09-12 | 2018-09-12 | A kind of comprehensive generating system improving peak load regulation economy |
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| CN201821489812.7U CN208767800U (en) | 2018-09-12 | 2018-09-12 | A kind of comprehensive generating system improving peak load regulation economy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879745A (en) * | 2018-09-12 | 2018-11-23 | 党祺云 | A kind of comprehensive generating system and method improving peak load regulation economy |
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2018
- 2018-09-12 CN CN201821489812.7U patent/CN208767800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879745A (en) * | 2018-09-12 | 2018-11-23 | 党祺云 | A kind of comprehensive generating system and method improving peak load regulation economy |
| CN108879745B (en) * | 2018-09-12 | 2024-03-22 | 党祺云 | Comprehensive power generation system and method for improving unit peak regulation economy |
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