CN108321934A - A kind of water-storage control system of allotment grid-connected power generation system - Google Patents
A kind of water-storage control system of allotment grid-connected power generation system Download PDFInfo
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- CN108321934A CN108321934A CN201810099572.8A CN201810099572A CN108321934A CN 108321934 A CN108321934 A CN 108321934A CN 201810099572 A CN201810099572 A CN 201810099572A CN 108321934 A CN108321934 A CN 108321934A
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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
- H02J15/00—Systems for storing electric energy
- H02J15/003—Systems for storing electric energy in the form of hydraulic energy
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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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention discloses a kind of water-storage control systems of allotment grid-connected power generation system, which includes environmental detection unit, and environmental detection unit detects environmental factor, and the environmental factor includes intensity of illumination, wind-force size；The grid-connected power generation system includes photovoltaic generating system and wind generator system；Further include scheduling side device, pump-storage generator side device.A kind of system that water-storage is allocated by new energy provided by the invention, side device, pump-storage generator side device are dispatched by setting, realize the interaction between pump-storage generator and scheduling, not only receive the instruction of scheduling, it also realizes simultaneously promptly from control, and then it is capable of the stabilization of real-time implementation itself, it avoids delaying adjustment opportunity.
Description
Technical field
The present invention relates to a kind of field of new energy technologies, especially one kind to utilize new energy to coordinate pump-storage generator
Realize the control system of stable operation.
Background technology
Pump-storage generator is different from common generator group, it is also used as in addition to that power supply can be used as to contribute
It loads to store electric power, and the stable operation of pump-storage generator needs to move by the coordination of both generator and hydraulic turbine
Make.For common generator group, the operating condition of pump-storage generator is complex, needs to consider the storage that draws water
The output situation of energy unit, the i.e. operating condition of generator and hydraulic control situation, the i.e. operating condition of the hydraulic turbine, in addition
The case where also needing to consider reservoir.
The control system of existing pump-storage generator is relatively simple, and pump-storage generator is restricted without the considerations of Comprehensive
The various aspects of safe and stable operation, lead between traffic order and practical operation that there are larger disagreements, such as are dispatching
Unit can not send out electric power again when issuing the instruction of power generation so that instruction ignore, and delayed adjustment grid balance
Opportunity.
In the prior art, due to the power generation generally existing randomness and unstability of new energy, usually new energy is sent out
The power storage sent carried out from battery in the battery, when needed electric discharge to load, then cost of battery itself compared with
Height, long-time service can cause service life reduction, and the battery material environmental pollution scrapped is also very big, and water-storage mainly utilizes
The attribute of natural resources itself will not pollute environment.
Invention content
Therefore, in view of the above-mentioned problems, the present invention provides a kind of water-storages of allotment grid-connected power generation system to control system
System carries out environmental factor detection by environmental detection unit, and setting scheduling side device, pump-storage generator side device are realized and taken out
The power distribution between generation of electricity by new energy and power grid is allocated in interaction between water accumulation of energy unit and scheduling, clear by making full use of
Clean energy control water-storage, makes full use of the energy, while receiving the instruction of scheduling, also realizes promptly from control, and then can
The stabilization of real-time implementation itself avoids delaying adjustment opportunity.The loss brought using battery is reduced by new energy water-storage,
Avoid the pollution of environment.
In order to achieve the above object, the present invention proposes a kind of water-storage control system of allotment grid-connected power generation system
System, the system include environmental detection unit, and environmental detection unit detects environmental factor, the environmental factor include intensity of illumination,
Wind-force size；The grid-connected power generation system includes photovoltaic generating system and wind generator system；Further include scheduling side device, take out
Water accumulation of energy unit side device.
The water-storage control system of the allotment grid-connected power generation system, the photovoltaic generating system include maximum work
Rate tracking module, multiple photovoltaic cells, current-sharing module, DC/AC modules；The wind generator system includes maximum wind power tracking mould
Block, fan blade open degree feedback detection module, fan blade aperture control module, reactive compensation module, AC/AC modules；The fan blade aperture
Control module receives the Sidelong portion of the control signal adjustment fan blade contact wind-force of the maximum wind power tracking module, and the fan blade is opened
Degree feedback detection module is detected the adjustment of fan blade, and feeds back to the fan blade aperture control module.
The water-storage control system of the allotment grid-connected power generation system, scheduling side device includes net side power
Detection device, load side power detection device, the first comparison means, the second comparison means, control device, net side communication device,
Net side power detection device, load side power detection device are separately connected two input terminals of comparison means, the first comparison means
Output end connect control device, control device connect net side communication device；Net side power detection device detects in power grid in real time
The output of all power, load side power detection device detect all workload demands in real time；First comparison means compares power supply and goes out
The size of power and workload demand exports high level to control device, the control device when power supply, which is contributed, is less than workload demand
Control signal is sent to the grid-connected power generation system and the environmental detection unit, the environmental detection unit detects in environment
Intensity of illumination and wind-force size and be sent to the grid-connected power generation system, the grid-connected power generation system is according to receiving
The data of environmental detection unit carry out following a period of time generation of electricity by new energy output and estimate, and discreet value is sent to the second ratio
Compared with device, second comparison means compares whether generation of electricity by new energy amount is less than workload demand with the sum of power supply output in power grid,
If it is, the operating status that pump-storage generator should carry out is judged for generator operation state, if it is not, then input new energy
System coordinates electric network source output power；
The water-storage control system of the allotment grid-connected power generation system, when power supply, which is contributed, is more than workload demand, output
Low level is to control device；Control device detects the number received from comparison means, when the number is high level, judges to draw water
The operating status that accumulation of energy unit should carry out is generator operation state, and output generator operation is instructed to net side communication device, when this
When number is low level, operating status that pump-storage generator should carry out is judged for operating status of drawing water, exports operation of drawing water
It instructs to net side communication device；The instruction that net side communication device receiving control device is sent, and wirelessly it is transmitted to pumping
Water accumulation of energy unit side device.
The water-storage control system of the allotment grid-connected power generation system, the water-storage side apparatus includes machine
The input terminal of side communication device, unit operation controller, the stable module of unit, side communication apparatus and unit operation controller connects
It connects, the output end of unit operation controller is connect with pump-storage generator, the stable module of unit；Side communication apparatus passes through wireless
Mode receives the instruction of net side communication device transmission, and the instruction is transferred to unit operation controller；Unit operation controller
The operating status of requirement is operated according to the instruction control pump-storage generator of reception, i.e., when unit operation controller receives hair
When electricity operation instructs, control pump-storage generator is operated in generator operation state, when unit operation controller receives fortune of drawing water
When row instruction, control pump-storage generator is operated in operating status of drawing water；Unit operation controller according to the instruction received to
The stable module transfer of unit controls information, when the instruction that unit operation controller receives is generator operation instruction, unit fortune
Line control unit controls information to the stable requirement of stable module transfer power generation, when the instruction that unit operation controller receives is to draw water
When operating instruction, unit operation controller controls information to the draw water stable requirement of stable module transfer；The stable module of unit according to
The information of reception is the stable requirement control information of power generation or draws water stable requirement control information, stable to select to be operated in power generation
Pattern is still drawn water stable pattern.
The water-storage control system of the allotment grid-connected power generation system, when the stable module of unit is operated in power generation peace
When steady pattern, the stable module of unit detects upper and lower reservoir level and storage capacity in the predetermined time and testing result is sent to scheduling
Side device；The stable module of unit is also based on hydraulic observation database, and upper and lower reservoir is calculated according to upper and lower reservoir water-holding quantity
Adjustable water amount of power generating；The stable module of unit is also based on hydraulic observation database, is calculated according to the variation of upper and lower reservoir level adjustable
Generate electricity water-holding quantity, obtains permission run time of the generator operation unit under current loads level in real time, and this is allowed to run
Time is sent to scheduling side device and the mobile terminal of related personnel；
Prediction module, prediction, which is drawn water, allows the intensity of illumination and wind-force size in run time, calculates new energy resources system and is permitting
Perhaps in run time can generated energy, and in real time by the permission run time can generated energy be sent to scheduling and relevant people
Member；The scheduling and related personnel according to it is described can generated energy, determine the electric power needed for the power grid, control new energy and electricity
Net coordinates together gives accumulation of energy unit；The prediction module carries out power generation power quantity predicting using neural network and calculates；
The stable module of unit detects upper storage reservoir water level in real time during unit generation is run, when upper storage reservoir water level is reduced to low water level
When level-one alert locations, notice scheduling side device has begun to use emergency use storage capacity, while monitoring generator operation unit
Distribution situation avoids generator operation unit from excessively concentrating on a certain position, whirlpool occurs so as to cause upper storage reservoir water inlet, finally
The safety for influencing unit and hydraulic structure is calculated when upper storage reservoir water level is reduced to low water level secondary alarm position at that time
It generates electricity under total load, the remaining generator operation unit operation time, and the time is sent to scheduling side device while asking to pacify
Row shuts down, and checks upper and lower reservoir water surface situation, and when upper storage reservoir water level is reduced to low water level three-level alert locations, notice is adjusted
Degree side device make as early as possible it is all out of service in the unit of generator operation, it is vertical when upper storage reservoir water level is reduced to level of dead water
All generating sets are forbidden to run；The stable module of unit is closed in lower storage reservoir floodgate, instantly on reservoir level
When rising to high water level level-one alert locations, calculates and generate electricity under total load at that time, remaining generating set run time, and should
Time is sent to scheduling side device and the mobile terminal of related personnel, while detecting the distribution situation of generator operation unit；Machine
The stable module of group is also during lower storage reservoir floodgate is opened, when reservoir level is risen to close to flood discharge water level instantly, according to working as
The estimation of Shi Fa electricity total loads starts the time of flood discharge, which is sent to the mobile terminal of related personnel；Instantly reservoir level
When rising to flood discharge water level, lower storage reservoir flood discharge situation is monitored immediately, and situation is sent to the mobile terminal of related personnel；
When the stable module of unit, which is operated in, draws water stable pattern, the stable module of unit another predetermined time be based on telemetering on,
Lower storage reservoir water level prediction calculates upper storage reservoir effective storage；The stable module of unit is also based on hydraulic observation database, according to upper and lower
Reservoir level variation calculate can pump-out, obtain the permission run time of unit of drawing water in real time, and allow to run by this in real time
Time is sent to scheduling side device and the mobile terminal of related personnel；The stable module of unit is real-time during unit water pump operation
Lower storage reservoir water level is detected, when reservoir level is down to another low water level level-one alert locations instantly, calculating allows run time, and will
The time is sent to scheduling side device, and request arranges to shut down as early as possible, while monitoring the distribution situation for the unit that draws water, and avoids water pumper
Group excessively concentrates on a certain position, whirlpool occurs to which diversion plays lower storage reservoir water inlet, final to influence unit and hydraulic structure
Safety, when reservoir level is reduced to another low water level secondary alarm position instantly, notice scheduling side device make own as early as possible
It is out of service in the unit to draw water, when reservoir level is reduced to level of dead water instantly, forbid the unit of all operations of drawing water immediately；
The stable module of unit rises in upper storage reservoir water level close to when overflowing full factory's stop position, calculates and is transported under unit quantity of drawing water at that time
It goes to the time of peak level, and the time is sent to the mobile terminal of scheduling side device and related personnel；The stable mould of unit
Block also periodically compares the water level that SCADA system is shown with hydraulic observation network data, when the two is there are when error, leads to
Know related personnel's field review, prevents upper storage reservoir flood-relief channel leak；The stable module of unit rises in upper storage reservoir water level and overflows entirely
When factory's stop position, unit is forbidden to draw water operation.
Description of the drawings
Fig. 1 is a kind of water-storage control system schematic diagram of allotment grid-connected power generation system.
Specific implementation mode
The present invention provides a kind of water-storage control systems of allotment grid-connected power generation system, pass through environmental detection unit
Environmental factor detection is carried out, setting scheduling side device, pump-storage generator side device are realized between pump-storage generator and scheduling
Interaction, allocate the power distribution between generation of electricity by new energy and power grid, by making full use of clean energy resource to control water-storage, fill
Divide and utilize the energy, while receiving the instruction of scheduling, also realizes and promptly control certainly, and then be capable of the stabilization of real-time implementation itself, keep away
Exempt to delay adjustment opportunity.The loss brought using battery is reduced by new energy water-storage, avoids the pollution of environment.
As shown in Figure 1, for a kind of water-storage control system signal of allotment grid-connected power generation system proposed by the present invention
Figure, the system include environmental detection unit, and environmental detection unit detects environmental factor, the environmental factor include intensity of illumination,
Wind-force size；The grid-connected power generation system includes photovoltaic generating system and wind generator system；Further include scheduling side device, take out
Water accumulation of energy unit side device.
The water-storage control system of the allotment grid-connected power generation system, the photovoltaic generating system include maximum work
Rate tracking module, multiple photovoltaic cells, current-sharing module, DC/AC modules；The wind generator system includes maximum wind power tracking mould
Block, fan blade open degree feedback detection module, fan blade aperture control module, reactive compensation module, AC/AC modules；The fan blade aperture
Control module receives the Sidelong portion of the control signal adjustment fan blade contact wind-force of the maximum wind power tracking module, and the fan blade is opened
Degree feedback detection module is detected the adjustment of fan blade, and feeds back to the fan blade aperture control module.
The water-storage control system of the allotment grid-connected power generation system, scheduling side device includes net side power
Detection device, load side power detection device, the first comparison means, the second comparison means, control device, net side communication device,
Net side power detection device, load side power detection device are separately connected two input terminals of comparison means, the first comparison means
Output end connect control device, control device connect net side communication device；Net side power detection device detects in power grid in real time
The output of all power, load side power detection device detect all workload demands in real time；First comparison means compares power supply and goes out
The size of power and workload demand exports high level to control device, the control device when power supply, which is contributed, is less than workload demand
Control signal is sent to the grid-connected power generation system and the environmental detection unit, the environmental detection unit detects in environment
Intensity of illumination and wind-force size and be sent to the grid-connected power generation system, the grid-connected power generation system is according to receiving
The data of environmental detection unit carry out following a period of time generation of electricity by new energy output and estimate, and discreet value is sent to the second ratio
Compared with device, second comparison means compares whether generation of electricity by new energy amount is less than workload demand with the sum of power supply output in power grid,
If it is, the operating status that pump-storage generator should carry out is judged for generator operation state, if it is not, then input new energy
System coordinates electric network source output power；
The water-storage control system of the allotment grid-connected power generation system, when power supply, which is contributed, is more than workload demand, output
Low level is to control device；Control device detects the number received from comparison means, when the number is high level, judges to draw water
The operating status that accumulation of energy unit should carry out is generator operation state, and output generator operation is instructed to net side communication device, when this
When number is low level, operating status that pump-storage generator should carry out is judged for operating status of drawing water, exports operation of drawing water
It instructs to net side communication device；The instruction that net side communication device receiving control device is sent, and wirelessly it is transmitted to pumping
Water accumulation of energy unit side device.
The water-storage control system of the allotment grid-connected power generation system, the water-storage side apparatus includes machine
The input terminal of side communication device, unit operation controller, the stable module of unit, side communication apparatus and unit operation controller connects
It connects, the output end of unit operation controller is connect with pump-storage generator, the stable module of unit；Side communication apparatus passes through wireless
Mode receives the instruction of net side communication device transmission, and the instruction is transferred to unit operation controller；Unit operation controller
The operating status of requirement is operated according to the instruction control pump-storage generator of reception, i.e., when unit operation controller receives hair
When electricity operation instructs, control pump-storage generator is operated in generator operation state, when unit operation controller receives fortune of drawing water
When row instruction, control pump-storage generator is operated in operating status of drawing water；Unit operation controller according to the instruction received to
The stable module transfer of unit controls information, when the instruction that unit operation controller receives is generator operation instruction, unit fortune
Line control unit controls information to the stable requirement of stable module transfer power generation, when the instruction that unit operation controller receives is to draw water
When operating instruction, unit operation controller controls information to the draw water stable requirement of stable module transfer；The stable module of unit according to
The information of reception is the stable requirement control information of power generation or draws water stable requirement control information, stable to select to be operated in power generation
Pattern is still drawn water stable pattern.
The water-storage control system of the allotment grid-connected power generation system, when the stable module of unit is operated in power generation peace
When steady pattern, the stable module of unit detects upper and lower reservoir level and storage capacity in the predetermined time and testing result is sent to scheduling
Side device；The stable module of unit is also based on hydraulic observation database, and upper and lower reservoir is calculated according to upper and lower reservoir water-holding quantity
Adjustable water amount of power generating；The stable module of unit is also based on hydraulic observation database, is calculated according to the variation of upper and lower reservoir level adjustable
Generate electricity water-holding quantity, obtains permission run time of the generator operation unit under current loads level in real time, and this is allowed to run
Time is sent to scheduling side device and the mobile terminal of related personnel；
Prediction module, prediction, which is drawn water, allows the intensity of illumination and wind-force size in run time, calculates new energy resources system and is permitting
Perhaps in run time can generated energy, and in real time by the permission run time can generated energy be sent to scheduling and relevant people
Member；The scheduling and related personnel according to it is described can generated energy, determine the electric power needed for the power grid, control new energy and electricity
Net coordinates together gives accumulation of energy unit；The prediction module carries out power generation power quantity predicting using neural network and calculates；
The stable module of unit detects upper storage reservoir water level in real time during unit generation is run, when upper storage reservoir water level is reduced to low water level
When level-one alert locations, notice scheduling side device has begun to use emergency use storage capacity, while monitoring generator operation unit
Distribution situation avoids generator operation unit from excessively concentrating on a certain position, whirlpool occurs so as to cause upper storage reservoir water inlet, finally
The safety for influencing unit and hydraulic structure is calculated when upper storage reservoir water level is reduced to low water level secondary alarm position at that time
It generates electricity under total load, the remaining generator operation unit operation time, and the time is sent to scheduling side device while asking to pacify
Row shuts down, and checks upper and lower reservoir water surface situation, and when upper storage reservoir water level is reduced to low water level three-level alert locations, notice is adjusted
Degree side device make as early as possible it is all out of service in the unit of generator operation, it is vertical when upper storage reservoir water level is reduced to level of dead water
All generating sets are forbidden to run；The stable module of unit is closed in lower storage reservoir floodgate, instantly on reservoir level
When rising to high water level level-one alert locations, calculates and generate electricity under total load at that time, remaining generating set run time, and should
Time is sent to scheduling side device and the mobile terminal of related personnel, while detecting the distribution situation of generator operation unit；Machine
The stable module of group is also during lower storage reservoir floodgate is opened, when reservoir level is risen to close to flood discharge water level instantly, according to working as
The estimation of Shi Fa electricity total loads starts the time of flood discharge, which is sent to the mobile terminal of related personnel；Instantly reservoir level
When rising to flood discharge water level, lower storage reservoir flood discharge situation is monitored immediately, and situation is sent to the mobile terminal of related personnel；
When the stable module of unit, which is operated in, draws water stable pattern, the stable module of unit another predetermined time be based on telemetering on,
Lower storage reservoir water level prediction calculates upper storage reservoir effective storage；The stable module of unit is also based on hydraulic observation database, according to upper and lower
Reservoir level variation calculate can pump-out, obtain the permission run time of unit of drawing water in real time, and allow to run by this in real time
Time is sent to scheduling side device and the mobile terminal of related personnel；The stable module of unit is real-time during unit water pump operation
Lower storage reservoir water level is detected, when reservoir level is down to another low water level level-one alert locations instantly, calculating allows run time, and will
The time is sent to scheduling side device, and request arranges to shut down as early as possible, while monitoring the distribution situation for the unit that draws water, and avoids water pumper
Group excessively concentrates on a certain position, whirlpool occurs to which diversion plays lower storage reservoir water inlet, final to influence unit and hydraulic structure
Safety, when reservoir level is reduced to another low water level secondary alarm position instantly, notice scheduling side device make own as early as possible
It is out of service in the unit to draw water, when reservoir level is reduced to level of dead water instantly, forbid the unit of all operations of drawing water immediately；
The stable module of unit rises in upper storage reservoir water level close to when overflowing full factory's stop position, calculates and is transported under unit quantity of drawing water at that time
It goes to the time of peak level, and the time is sent to the mobile terminal of scheduling side device and related personnel；The stable mould of unit
Block also periodically compares the water level that SCADA system is shown with hydraulic observation network data, when the two is there are when error, leads to
Know related personnel's field review, prevents upper storage reservoir flood-relief channel leak；The stable module of unit rises in upper storage reservoir water level and overflows entirely
When factory's stop position, unit is forbidden to draw water operation.
It should be noted that the above content is combine specific embodiment made for the present invention further specifically
It is bright, and it cannot be said that specific implementation mode of the invention is only limitted to this, under the above-mentioned guidance of the present invention, those skilled in the art can
To carry out various improvement and deformations on the basis of the above embodiments, and these are improved or deformation falls the protection model in the present invention
In enclosing.
Claims (5)
1. a kind of water-storage control system of allotment grid-connected power generation system, which is characterized in that the system includes environment measuring
Unit, environmental detection unit detect environmental factor, and the environmental factor includes intensity of illumination, wind-force size；The new energy hair
Electric system includes photovoltaic generating system and wind generator system；Further include scheduling side device, pump-storage generator side device.
2. the water-storage control system of allotment grid-connected power generation system as described in claim 1, which is characterized in that the light
Photovoltaic generating system includes maximal power tracing module, multiple photovoltaic cells, current-sharing module, DC/AC modules；The wind-power electricity generation system
System includes maximum wind power tracking module, fan blade open degree feedback detection module, fan blade aperture control module, reactive compensation module, AC/
AC modules；The fan blade aperture control module receives the control signal adjustment fan blade contact wind-force of the maximum wind power tracking module
Sidelong portion, the fan blade open degree feedback detection module is detected the adjustment of fan blade, and feeds back to the fan blade aperture control
Molding block.
3. the water-storage control system of allotment grid-connected power generation system according to claim 2, which is characterized in that described
Scheduling side device include net side power detection device, load side power detection device, the first comparison means, the second comparison means,
Control device, net side communication device, net side power detection device, load side power detection device are separately connected the two of comparison means
The output end of a input terminal, the first comparison means connects control device, and control device connects net side communication device；Net side power is examined
The output that device detects all power in power grid in real time is surveyed, load side power detection device detects all workload demands in real time；The
One comparison means compares power supply and contributes and the size of workload demand, when power supply, which is contributed, is less than workload demand, export high level to
Control device, the control device transmission control signal are described to the grid-connected power generation system and the environmental detection unit
Intensity of illumination in environmental detection unit detection environment and wind-force size and it is sent to the grid-connected power generation system, it is described new
Energy electricity generation system carries out following a period of time generation of electricity by new energy output according to the data of the environmental detection unit received and estimates,
And discreet value is sent to the second comparison means, second comparison means compares generation of electricity by new energy amount and contributes with power supply in power grid
The sum of whether be less than workload demand, if it is, judging the operating status that pump-storage generator should carry out for generator operation shape
State, if it is not, then input new energy resources system coordinates electric network source output power；
The water-storage control system of allotment grid-connected power generation system according to claim 3, which is characterized in that work as power supply
When contributing more than workload demand, low level is exported to control device；Control device detects the number received from comparison means, when this
When number is high level, the operating status that pump-storage generator should carry out is judged for generator operation state, exports generator operation
Instruction is to net side communication device, when the number is low level, judges the operating status that pump-storage generator should carry out to take out
Water running state, output draw water operating instruction to net side communication device；The instruction that net side communication device receiving control device is sent,
And wirelessly it is transmitted to pump-storage generator side device.
4. the water-storage control system of allotment grid-connected power generation system according to claim 4, which is characterized in that described
Water-storage side apparatus includes side communication apparatus, unit operation controller, the stable module of unit, side communication apparatus and machine
The input terminal connection of group operation controller, output end and pump-storage generator, the stable module of unit of unit operation controller connect
It connects；Side communication apparatus wirelessly receives the instruction of net side communication device transmission, and the instruction is transferred to unit fortune
Line control unit；Unit operation controller is operated in the operating status of requirement according to the instruction control pump-storage generator of reception, i.e.,
When unit operation controller receives generator operation instruction, control pump-storage generator is operated in generator operation state, works as machine
Group operation controller receives when drawing water operating instruction, and control pump-storage generator is operated in operating status of drawing water；Unit operation
Controller controls information according to the instruction received to the stable module transfer of unit, when the instruction that unit operation controller receives
When being generator operation instruction, unit operation controller controls information to the stable requirement of stable module transfer power generation, works as unit operation
The instruction that controller receives is when drawing water operating instruction, and unit operation controller draws water stable requirement control to stable module transfer
Information processed；The stable module of unit is the stable requirement control information of power generation according to the information of reception or draws water stable requirement control letter
Breath still draws water stable pattern to select to be operated in the stable pattern of power generation.
5. the water-storage control system of allotment grid-connected power generation system according to claim 5, which is characterized in that work as machine
When the stable module of group is operated in power generation stable pattern, the stable module of unit detects upper and lower reservoir level and storage capacity in the predetermined time
And testing result is sent to scheduling side device；The stable module of unit is also based on hydraulic observation database, is deposited according to upper and lower reservoir
Water calculates the adjustable water amount of power generating of upper and lower reservoir；The stable module of unit is also based on hydraulic observation database, according to upper and lower
Reservoir level variation calculates adjustable power generation water-holding quantity, and obtain generator operation unit in real time allows to transport under current loads level
The row time, and the permission run time is sent to scheduling side device and the mobile terminal of related personnel；
Prediction module, prediction, which is drawn water, allows the intensity of illumination and wind-force size in run time, calculates new energy resources system and is permitting
Perhaps in run time can generated energy, and in real time by the permission run time can generated energy be sent to scheduling and relevant people
Member；The scheduling and related personnel according to it is described can generated energy, determine the electric power needed for the power grid, control new energy and electricity
Net coordinates together gives accumulation of energy unit；The prediction module carries out power generation power quantity predicting using neural network and calculates；
The stable module of unit detects upper storage reservoir water level in real time during unit generation is run, when upper storage reservoir water level is reduced to low water level
When level-one alert locations, notice scheduling side device has begun to use emergency use storage capacity, while monitoring generator operation unit
Distribution situation avoids generator operation unit from excessively concentrating on a certain position, whirlpool occurs so as to cause upper storage reservoir water inlet, finally
The safety for influencing unit and hydraulic structure is calculated when upper storage reservoir water level is reduced to low water level secondary alarm position at that time
It generates electricity under total load, the remaining generator operation unit operation time, and the time is sent to scheduling side device while asking to pacify
Row shuts down, and checks upper and lower reservoir water surface situation, and when upper storage reservoir water level is reduced to low water level three-level alert locations, notice is adjusted
Degree side device make as early as possible it is all out of service in the unit of generator operation, it is vertical when upper storage reservoir water level is reduced to level of dead water
All generating sets are forbidden to run；The stable module of unit is closed in lower storage reservoir floodgate, instantly on reservoir level
When rising to high water level level-one alert locations, calculates and generate electricity under total load at that time, remaining generating set run time, and should
Time is sent to scheduling side device and the mobile terminal of related personnel, while detecting the distribution situation of generator operation unit；Machine
The stable module of group is also during lower storage reservoir floodgate is opened, when reservoir level is risen to close to flood discharge water level instantly, according to working as
The estimation of Shi Fa electricity total loads starts the time of flood discharge, which is sent to the mobile terminal of related personnel；Instantly reservoir level
When rising to flood discharge water level, lower storage reservoir flood discharge situation is monitored immediately, and situation is sent to the mobile terminal of related personnel；
When the stable module of unit, which is operated in, draws water stable pattern, the stable module of unit another predetermined time be based on telemetering on,
Lower storage reservoir water level prediction calculates upper storage reservoir effective storage；The stable module of unit is also based on hydraulic observation database, according to upper and lower
Reservoir level variation calculate can pump-out, obtain the permission run time of unit of drawing water in real time, and allow to run by this in real time
Time is sent to scheduling side device and the mobile terminal of related personnel；The stable module of unit is real-time during unit water pump operation
Lower storage reservoir water level is detected, when reservoir level is down to another low water level level-one alert locations instantly, calculating allows run time, and will
The time is sent to scheduling side device, and request arranges to shut down as early as possible, while monitoring the distribution situation for the unit that draws water, and avoids water pumper
Group excessively concentrates on a certain position, whirlpool occurs to which diversion plays lower storage reservoir water inlet, final to influence unit and hydraulic structure
Safety, when reservoir level is reduced to another low water level secondary alarm position instantly, notice scheduling side device make own as early as possible
It is out of service in the unit to draw water, when reservoir level is reduced to level of dead water instantly, forbid the unit of all operations of drawing water immediately；
The stable module of unit rises in upper storage reservoir water level close to when overflowing full factory's stop position, calculates and is transported under unit quantity of drawing water at that time
It goes to the time of peak level, and the time is sent to the mobile terminal of scheduling side device and related personnel；The stable mould of unit
Block also periodically compares the water level that SCADA system is shown with hydraulic observation network data, when the two is there are when error, leads to
Know related personnel's field review, prevents upper storage reservoir flood-relief channel leak；The stable module of unit rises in upper storage reservoir water level and overflows entirely
When factory's stop position, unit is forbidden to draw water operation.
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| CN112396284A (en) * | 2020-09-18 | 2021-02-23 | 国家电网有限公司 | Intelligent starting and stopping auxiliary system for pumped storage power station |
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