CN105932682B - A kind of working state control method of energy storage device, control decision equipment and system - Google Patents
A kind of working state control method of energy storage device, control decision equipment and system Download PDFInfo
- Publication number
- CN105932682B CN105932682B CN201610366234.7A CN201610366234A CN105932682B CN 105932682 B CN105932682 B CN 105932682B CN 201610366234 A CN201610366234 A CN 201610366234A CN 105932682 B CN105932682 B CN 105932682B
- Authority
- CN
- China
- Prior art keywords
- energy storage
- storage device
- voltage
- distribution network
- node voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 233
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000009826 distribution Methods 0.000 claims abstract description 140
- 238000004364 calculation method Methods 0.000 claims description 28
- 230000005611 electricity Effects 0.000 claims description 27
- 238000010248 power generation Methods 0.000 claims description 22
- 230000001419 dependent effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000003860 storage Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 238000011217 control strategy Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 241000396836 Trinodes Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the present invention provides the working state control method, control decision equipment and system of a kind of energy storage device, this method comprises: determining each node voltage of power distribution network；If maximum node voltage is more than the first percentage of established standards voltage, it is determined that need to charge to energy storage device, and determine Charge Proportional；The first instruction of output is controlled execution equipment control energy storage device with instruction and is charged with the Charge Proportional, so that the maximum node voltage is no more than the first percentage of established standards voltage.The embodiment of the present invention can reduce the voltage limit risk of power distribution network, and during the working state control of energy storage device, and control precision is higher, data processing amount is smaller, mode is easy.
Description
Technical field
The present invention relates to technical field of electric power, specifically, being related to a kind of working state control method of energy storage device, control
Decision device and system processed.
Background technique
With the development of Solar use, distributed photovoltaic power generation systematic difference is more universal, distributed photovoltaic power generation
System refers to the distributed generation system that electric energy is converted the solar into using photovoltaic module；Distributed photovoltaic power generation system is abided by
Adaptation to local conditions, clean and effective, scattered distribution, the principle utilized nearby are followed, is generally required in access power distribution network, together with power distribution network
It is powered.
After distributed photovoltaic power generation system access power distribution network, the voltage's distribiuting of power distribution network may be caused to change, so that matching
The line voltage distribution adjustment control of power grid becomes complicated；Specifically, traditional pressure regulation (adjustment voltage) principle of power distribution network is according to height
Side is pressed to the trend one-way flow consideration of low-pressure side, usually maintain busbar voltage in one higher range (such as 103%~
105% voltage rating), and then guarantee that the voltage on distribution network line is not less than specified lower limit value, trend refers to power train
The steady-state distribution of each node voltage, each branch power (active and reactive) in system；And as the distributed photovoltaic of access power distribution network is sent out
Electric system increases, and when trend occurs reversed, load side voltage will be made higher than busbar voltage by the pressure drop that feed line impedance generates, into
And the problem of being likely to occur voltage out-of-limit.
Equipment of the energy storage device as electric energy is stored in electric system, can be applied to distributed photovoltaic power generation system access and matches
The scene of power grid；The extra generated energy of distributed photovoltaic power generation system is subjected to absorption storage by energy storage device, can effectively be dropped
The risk of the low above-mentioned generation voltage out-of-limit pointed out.
Energy storage device needs to set energy storage as the important equipment under distributed photovoltaic power generation system access power distribution network scene
Standby working condition is controlled, to reduce the voltage limit risk of power distribution network；Therefore a kind of work shape of energy storage device is provided
State control method becomes those skilled in the art's problem in need of consideration to reduce the voltage limit risk of power distribution network.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of working state control method of energy storage device, control decision equipment
And system, to reduce the voltage limit risk of power distribution network.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of working state control method of energy storage device is applied to control decision equipment, which comprises
Determine each node voltage of power distribution network；
If maximum node voltage is more than the first percentage of established standards voltage, it is determined that need to be filled to energy storage device
Electricity, and determine Charge Proportional；
The first instruction of output is controlled execution equipment control energy storage device with instruction and is charged with the Charge Proportional, made
Obtain the first percentage that the maximum node voltage is no more than established standards voltage.
Optionally, each node voltage of the determining power distribution network includes:
Current time reach setting the Load flow calculation moment when, export set all energy storage devices for idle state instruction to
Control executes equipment, so that the control executes all energy storage devices of equipment control and is set to idle state；
Load flow calculation is carried out to power distribution network, determines each node voltage for the power distribution network that energy storage device leaves unused in situation.
Optionally, the method also includes:
According to each node voltage, each node voltage per unit value is calculated, determines the maximum in each node voltage per unit value
Node voltage per unit value；
If the maximum node voltage per unit value is greater than the first value, it is determined that the maximum node voltage is more than setting mark
First percentage of quasi- voltage, the first value are one plus the first percentage.
Optionally, the determining Charge Proportional includes:
Determine the energy storage power of the current all amounts of rationing the power supply of power distribution network and all energy storage devices；
By all amounts of rationing the power supply divided by the energy storage power of all energy storage devices, Charge Proportional is obtained.
Optionally, the current all amounts of rationing the power supply of the determining power distribution network include:
Determine that the maximum node voltage is more than the specific percentage of established standards voltage, present percentage range pair
The ratio of rationing the power supply answered, a corresponding percentage range of ratio of rationing the power supply, by all generated energy of power distribution network multiplied by identified
It rations the power supply ratio, obtains the current all amounts of rationing the power supply of power distribution network；
Or, determine the corresponding ratio of rationing the power supply of voltage per unit value range at maximum node voltage per unit value, a limit
The corresponding voltage per unit value range of electric ratio is matched by all generated energy of power distribution network multiplied by identified ratio of rationing the power supply
The current all amounts of rationing the power supply of power grid.
Optionally, the method also includes:
If maximum node voltage is no more than the second percentage of established standards voltage, it is determined that need to be carried out to energy storage device
Electric discharge, and determine discharge target ratio；Second percentage is less than the first percentage；
The second instruction of output is controlled execution equipment control energy storage device with instruction and is put with the discharge target ratio
Electricity enables energy storage device to store the electricity of rationing the power supply of power distribution network.
Optionally, the determining discharge target ratio includes:
The second value multiple for determining power distribution network current loads, the difference with photovoltaic power generation quantity, by identified difference divided by
The power of all energy storage devices obtains electric discharge ratio, using obtained electric discharge ratio as the discharge target ratio；
Or, determining the second value multiple of power distribution network current loads, the difference with photovoltaic power generation quantity removes identified difference
With the power of all energy storage devices, electric discharge ratio is obtained, it, will if obtained electric discharge ratio is greater than the first electric discharge ratio of setting
The first electric discharge ratio-dependent that sets is the discharge target ratio, if obtained electric discharge ratio is less than the first electric discharge of setting
Ratio, then using obtained electric discharge ratio as the discharge target ratio.
Optionally, the method also includes:
If maximum node voltage is more than the second percentage of established standards voltage, and is no more than the first percentage, output
It sets the instruction that all energy storage devices are idle state and executes equipment to control, so that the control executes equipment and controls all energy storage
Equipment is set to idle state.
The embodiment of the present invention also provides a kind of control decision equipment, comprising:
Node voltage determining module, for determining each node voltage of power distribution network；
Charge Proportional determining module, if the first percentage for maximum node voltage more than established standards voltage,
Determination need to charge to energy storage device, and determine Charge Proportional；
First command output module is controlled with instruction for exporting the first instruction and executes equipment control energy storage device with institute
It states Charge Proportional to charge, so that the maximum node voltage is no more than the first percentage of established standards voltage.
The embodiment of the present invention also provides a kind of operation status control system of energy storage device, comprising: control decision equipment and
Control executes equipment；
Wherein, the control decision equipment is used for, and determines each node voltage of power distribution network；If maximum node voltage is more than
First percentage of established standards voltage, it is determined that need to charge to energy storage device, and determine Charge Proportional；Output first refers to
It enables, execution equipment control energy storage device is controlled with instruction and is charged with the Charge Proportional, so that the maximum node voltage
No more than the first percentage of established standards voltage；
The control executes equipment and is used for, and receives first instruction, according to the first instruction control energy storage device with
The Charge Proportional charges.
Based on the above-mentioned technical proposal, the embodiment of the present invention carries out the purpose of the working state control of energy storage device, is control
The node voltage of power distribution network be no more than established standards voltage the first percentage so that the voltage of power distribution network maintain it is not out-of-limit
The case where；Correspondingly, the working state control method of energy storage device based on the embodiment of the present invention, control decision equipment can
Determine each node voltage of power distribution network, thus when maximum node voltage is more than the first percentage of established standards voltage, judgement
There are out-of-limit risk, determinations to charge to energy storage device for the voltage of power distribution network, so that energy storage device absorbs power distribution network
In extra electricity, while by determine energy storage device Charge Proportional, output first instruction come indicate control execute equipment control
Energy storage device processed is charged with the Charge Proportional, so that the maximum node voltage is no more than the first of established standards voltage
Percentage reduces the voltage limit risk of power distribution network.As can be seen that the working condition of energy storage device provided in an embodiment of the present invention
Control method, can be by the comparison of the maximum node voltage and established standards voltage of identified power distribution network, in the maximum section
When point voltage is more than the first percentage of established standards voltage, control energy storage device is charged with identified Charge Proportional,
The case where node voltage is more than the first percentage of established standards voltage is reduced, the voltage limit risk for reducing power distribution network is reached
Purpose.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart of the working state control method of energy storage device provided in an embodiment of the present invention；
Fig. 2 is the method flow diagram of determining Charge Proportional provided in an embodiment of the present invention；
Fig. 3 is another flow chart of the working state control method of energy storage device provided in an embodiment of the present invention；
Fig. 4 is another flow chart of the working state control method of energy storage device provided in an embodiment of the present invention；
Fig. 5 is the another flow chart of the working state control method of energy storage device provided in an embodiment of the present invention；
Fig. 6 is a certain village low-voltage network schematic diagram；
Fig. 7 is the structural block diagram of control decision equipment provided in an embodiment of the present invention；
Fig. 8 is another structural block diagram of control decision equipment provided in an embodiment of the present invention；
Fig. 9 is another structural block diagram of control decision equipment provided in an embodiment of the present invention；
Figure 10 is the structural block diagram of the operation status control system of energy storage device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the flow chart of the working state control method of energy storage device provided in an embodiment of the present invention, and this method can answer
For control decision equipment；Control decision equipment is mainly used for determining the working condition control of energy storage device in embodiments of the present invention
System strategy, control decision equipment can carry out calculation processing according to information such as the voltage datas of power distribution network, to determine energy storage device
Working state control strategy；After control decision equipment determines the working state control strategy of energy storage device, it can indicate that control is held
Row equipment controls the working condition of energy storage device with identified working state control strategy；
The working condition of energy storage device is divided into charged state, discharge condition and idle state；
Optionally, control decision equipment can choose intelligent substation or power scheduling equipment (such as city electric power tune at county level
Spend the power scheduling equipment etc. of mechanism setting)；Control, which executes equipment, can choose the battery management system equipment of electric system (such as
BMS equipment, BMS are the abbreviation of BATTERY MANAGEMENT SYSTEM, and Chinese is interpreted as battery management system)；
Referring to Fig.1, the working state control method of energy storage device provided in an embodiment of the present invention may include:
Step S100, each node voltage of power distribution network is determined；
Node may be considered the node that load or power supply can be accessed in power distribution network, and the embodiment of the present invention can be need to be into
When the working state control of row energy storage device, the voltage of each node of power distribution network is determined, obtain each node voltage of power distribution network.
If step S110, maximum node voltage is more than the first percentage of established standards voltage, it is determined that need to be to energy storage
Equipment charges, and determines Charge Proportional；
Optionally, established standards voltage can be node voltage as defined in the standards such as country, area, industry；
First percentage is in the out-of-limit situation of distribution network voltage, and set node voltage is more than the hundred of established standards voltage
Divide than lower limit, maximum node voltage is once more than the first percentage of established standards voltage, then it is assumed that distribution network voltage, which exists, to be got over
The risk of limit, at this point, need to charge to energy storage device, so that energy storage device absorbs the extra electricity of power distribution network；It such as can be to storage
Energy equipment charges, and the electricity of rationing the power supply of power distribution network is stored in energy storage device, to reduce the out-of-limit risk of distribution network voltage；It is right
The Charge Proportional that energy storage device charges, can be based on the power of power distribution network current all ration the power supply electricity and all energy storage devices
Situation determines；
Optionally, whether the embodiment of the present invention can judge maximum node voltage by calculating each node voltage per unit value
More than the first percentage of established standards voltage；Specifically, the embodiment of the present invention can be by each node voltage divided by established standards electricity
Pressure, obtains each node voltage per unit value, chooses maximum node voltage per unit value therein, if maximum node voltage per unit value is big
In the first value, then it is assumed that maximum node voltage is more than the first percentage of established standards voltage, and the first value can be with the first percentage
Corresponding, the first value can be one plus the first percentage；
Optionally, the first percentage can be 7%, which mainly proposes according to the GB standard of power quality；Maximum section
When point voltage is more than the 7% of established standards voltage, then can determine need to charge to energy storage device, and determine Charge Proportional；Phase
It answers, the first value can be 1+7%=1.07, i.e., the embodiment of the present invention, which passes through, determines maximum node voltage per unit value, if most
Big node voltage per unit value is greater than 1.07, then it is assumed that maximum node voltage is more than the first percentage of established standards voltage；
Obviously, the embodiment of the present invention can also have others to judge whether maximum node voltage is more than established standards voltage
The first percentage mode, and be not limited in the way of maximum node voltage per unit value；Such as by maximum node voltage with set
The difference for determining normal voltage is come real divided by established standards voltage by judging whether the value of calculated result is greater than the first percentage
Existing maximum node voltage whether be more than established standards voltage the first percentage judgement, that is, use formula (maximum node voltage-
Established standards voltage)/established standards voltage.
Step S120, output first instruction, with instruction control execute equipment control energy storage device with the Charge Proportional into
Row charging, so that the maximum node voltage is no more than the first percentage of established standards voltage.
First instruction is that control decision equipment is sent to control execution equipment, for controlling energy storage device with the charging
The control instruction that ratio charges can carry corresponding instruction information in the first instruction, so as to control execute equipment according to
First instruction, control energy storage device are charged with the Charge Proportional.
The embodiment of the present invention carry out energy storage device working state control purpose, be control power distribution network node voltage not
More than the first percentage of established standards voltage, so that the voltage of power distribution network maintains not out-of-limit situation；Correspondingly, being based on
The working state control method of energy storage device provided in an embodiment of the present invention, control decision equipment can determine each node of power distribution network
Voltage, to judge that the voltage of power distribution network exists when maximum node voltage is more than the first percentage of established standards voltage and get over
The risk of limit, determination need to charge to energy storage device, so that energy storage device absorbs the extra electricity in power distribution network, lead to simultaneously
The Charge Proportional for determining energy storage device is crossed, the first instruction of output executes equipment control energy storage device to indicate to control with the charging
Ratio charges, so that the maximum node voltage is no more than the first percentage of established standards voltage, reduces power distribution network
Voltage limit risk.As can be seen that energy storage device provided in an embodiment of the present invention working state control method, can by really
The comparison of the maximum node voltage and established standards voltage of fixed power distribution network is more than established standards electricity in the maximum node voltage
When the first percentage of pressure, control energy storage device is charged with identified Charge Proportional, and reducing node voltage is more than setting
The case where first percentage of normal voltage, achievees the purpose that the voltage limit risk for reducing power distribution network.
Optionally, the embodiment of the present invention can determine each node voltage of power distribution network when reaching the setting moment at current time；
Optionally, at the time of the setting moment can be the predefined working state control for carrying out energy storage device, when setting
It can be predefined multiple moment quarter, the embodiment of the present invention can determine power distribution network when often reaching a predefined moment
Each node voltage, so as to the working state control of subsequent energy storage device；
Optionally, the embodiment of the present invention can realize each node voltage of power distribution network by carrying out Load flow calculation to power distribution network
Determination；Therefore the embodiment of the present invention, which can define, sets the moment as the Load flow calculation moment, reaches setting trend meter at current time
When calculating the moment, Load flow calculation is carried out to power distribution network, to obtain each node voltage of power distribution network；When carrying out Load flow calculation, this
It is idle state that all energy storage devices, which can be first arranged, in inventive embodiments, then carries out Load flow calculation to power distribution network, to obtain storage
Each node voltage of power distribution network in the case of the energy idleness of equipment；
Optionally, the exportable instruction for setting all energy storage devices as idle state of control decision equipment is set to execution is controlled
It is standby, so that control executes all energy storage devices of equipment control and is set to idle state；
Being worth noting is, the Load flow calculation of electric system is usually the annual development by hour, to be every year 8760 small
When for, then will do it a Load flow calculation at each integral point moment of this 8760 hours, correspondingly, the embodiment of the present invention can be
At each integral point moment, it is idle state that all energy storage devices, which are arranged, carries out Load flow calculation to power distribution network, to obtain the energy storage device spare time
Each node voltage of power distribution network in the case of setting.
Optionally, the Charge Proportional to charge to energy storage device, can based on power distribution network it is current it is all ration the power supply electricity and
The power situation of all energy storage devices determines；Correspondingly, Fig. 2 shows the sides of determining Charge Proportional provided in an embodiment of the present invention
Method flow chart, referring to Fig. 2, this method may include:
Step S200, the energy storage power of the current all amounts of rationing the power supply of power distribution network and all energy storage devices is determined；
The current all amounts of rationing the power supply of power distribution network can be determined based on all generated energy of the ratio of rationing the power supply and power distribution network, specifically will
All generated energy obtain the current all amounts of rationing the power supply of power distribution network multiplied by the ratio of rationing the power supply；
It is worth noting that, maximum node voltage be more than established standards voltage the first percentage when, ratio of rationing the power supply with
Maximum node voltage is more than that the specific percentage of established standards voltage is corresponding, and the embodiment of the present invention can be super in maximum node voltage
When crossing the first percentage of established standards voltage, setting respectively rations the power supply maximum node voltage corresponding to ratio more than established standards electricity
The percentage range of pressure, a corresponding percentage range of ratio of rationing the power supply, as the ratio of rationing the power supply is 10% corresponding 7% to 8%
Percentage range (when i.e. maximum node voltage is in 7% to 8% more than the specific percentage of established standards voltage, ration the power supply by correspondence
Ratio is the 10%) percentage range that ratio of rationing the power supply is 20% corresponding 8% to 9%, the size for ratio of rationing the power supply and tool calculated
The size of body percentage is directly proportional；To determine that the maximum node voltage is more than the specific percentage of established standards voltage
Afterwards, it determines the corresponding ratio of rationing the power supply of percentage range at the specific percentage, all generated energy of power distribution network is multiplied
With identified ratio of rationing the power supply, the current all amounts of rationing the power supply of power distribution network are obtained；
Optionally, the embodiment of the present invention can also realize the determination for ratio of rationing the power supply by voltage per unit value (PU), and the present invention is real
Voltage corresponding to ratio of respectively rationing the power supply can be arranged when maximum node voltage is more than the first percentage of established standards voltage by applying example
Per unit value range, a corresponding voltage per unit value range of ratio of rationing the power supply, ratio of such as rationing the power supply is 10% corresponding 1.07 to 10.8
Voltage per unit value range, the voltage per unit value range that ratio of rationing the power supply is 20% corresponding 1.08 to 1.09, the size for ratio of rationing the power supply
It is directly proportional to the size of maximum node voltage per unit value；To determine maximum node voltage per unit value, and maximum node electricity
After pressing per unit value to be greater than the first value, the corresponding ratio of rationing the power supply of voltage per unit value range at maximum node voltage per unit value is determined
Example obtains the current all amounts of rationing the power supply of power distribution network by all generated energy of power distribution network multiplied by identified ratio of rationing the power supply；
Optionally, the energy storage power of energy storage device can refer to the rated power of energy storage device, the specified function of energy storage device
Rate can identify on the nameplate of rated power.
Step S210, all amounts of rationing the power supply are obtained into Charge Proportional divided by the energy storage power of all energy storage devices.
Optionally, number of power sources is indicated with n, X indicates the quantity of energy storage device, then the embodiment of the present invention can pass through formulaDetermine Charge Proportional, wherein disCharge indicates Charge Proportional, EiIndicate the current limit of the i-th power supply
Electricity, PiIndicate the power of i-th of energy storage device.
Preferably, Fig. 3 shows another stream of the working state control method of energy storage device provided in an embodiment of the present invention
Cheng Tu, referring to Fig. 3, this method may include:
Step S300, when reaching the setting Load flow calculation moment at current time, it is idle shape that all energy storage devices are set in output
The instruction of state executes equipment to control, so that the control executes all energy storage devices of equipment control and is set to idle state；
Step S310, Load flow calculation is carried out to power distribution network, determines each node for the power distribution network that energy storage device leaves unused in situation
Voltage；
Step S320, according to each node voltage, each node voltage per unit value is calculated, determines each node voltage per unit value
In maximum node voltage per unit value；
If step S330, the described maximum node voltage per unit value is greater than the first value, it is determined that need to be carried out to energy storage device
Charging, and determine the energy storage power of the current all amounts of rationing the power supply of power distribution network and all energy storage devices；
First value can be one plus the obtained numerical value of the first percentage.
Step S340, all amounts of rationing the power supply are obtained into Charge Proportional divided by the energy storage power of all energy storage devices；
Step S350, output first instruction, with instruction control execute equipment control energy storage device with the Charge Proportional into
Row charging.
The embodiment of the present invention controls energy storage device when maximum node voltage is more than the first percentage of established standards voltage
It is that all electricity of rationing the power supply are stored in energy storage devices with the purpose that the Charge Proportional charges, to reduce the wind of voltage out-of-limit
Danger；
It should be noted that there may be energy storage device residual capacity be less than it is described it is all ration the power supply electricity the case where,
In this case, energy storage universal constraining condition can be triggered, and this situation determines the work shape of energy storage device in the embodiment of the present invention
It is not considered further that when state control strategy, energy storage universal constraining condition can be transferred to be constrained；
Energy storage universal constraining condition is mainly: energy storage device charging, discharge condition and power control need to be no more than specified appearance
Measure, minimum allowable capacity need to be not less than, regulation charging, discharge power need to be less than etc.；
In addition, if there is fully charged, no longer fully charged to this energy storage device progress in current energy storage device
Charging, allows to ration the power supply.
It is worth noting that, the embodiment of the present invention is determining that it is (i.e. maximum to save that maximum node voltage per unit value is greater than the first value
Point voltage is more than the first percentage of established standards voltage) when, based on power distribution network current all ration the power supply electricity and all energy storage
The charge power that the power situation of equipment determines controls after all energy storage devices are charged, carries out maximum node voltage again
Per unit value timing really, determining maximum node voltage per unit value is certainly less than the first value again；
This is because the embodiment of the present invention calculates Charge Proportional according to the amount of rationing the power supply, and it is as described above, the present invention is real
It is directly proportional to voltage per unit value for applying the amount of rationing the power supply in example, therefore Charge Proportional calculated of the embodiment of the present invention is greater than voltage
Critical value when per unit value is the first value；It briefly, is exactly that voltage per unit value is bigger, and the amount of rationing the power supply is bigger, the charging calculated
Ratio is bigger, bigger to the effect for reducing voltage per unit value in this way, and the embodiment of the present invention can be made in maximum node voltage
When per unit value is greater than the first value, by once adjusting, that is, the maximum node voltage per unit value calculated again may make centainly to be less than
First value is calculated without being iterated, so that the embodiment of the present invention can control, precision is higher, data processing amount is smaller,
And the working state control method of the energy storage device of mode simplicity, the out-of-limit risk of distribution network voltage is reduced, removes complicated control from
Mode.
Optionally, if identified maximum node voltage is no more than the second percentage of established standards voltage, this hair
Bright embodiment can discharge to energy storage device, and can be set according to the load of current power distribution network, photovoltaic power generation quantity and all energy storage
Standby power determines electric discharge ratio；
Correspondingly, Fig. 4 shows the first-class again of the working state control method of energy storage device provided in an embodiment of the present invention
Method shown in Cheng Tu, Fig. 4 is the first percentage that maximum node voltage is no more than established standards voltage, and further less than second
The case where percentage, the second percentage is less than the first percentage；
Referring to Fig. 4, this method may include:
Step S400, each node voltage of power distribution network is determined；
Optionally, the embodiment of the present invention can carry out tide to power distribution network when reaching the setting Load flow calculation moment at current time
Stream calculation, to obtain each node voltage of power distribution network.
If step S410, maximum node voltage is no more than the second percentage of established standards voltage, it is determined that need to be to storage
Energy equipment is discharged, and determines discharge target ratio；
Second percentage is less than the first percentage, correspondingly, the corresponding second value of the second percentage can be one plus second
Percentage, it is clear that second value the first value corresponding less than the first percentage；If the first percentage chooses 7%, the first value is
1.07, the second percentage chooses 5%, second value 1.05；Second percentage chooses 5%, and second value chooses 1.05 can basis
It practices, test experience obtains；
Optionally, the embodiment of the present invention can be come real by judging whether maximum node voltage per unit value is less than second value
Whether existing maximum node voltage is no more than the judgement of the second percentage of established standards voltage, thus in maximum node voltage mark
When value is less than second value, determine that maximum node voltage is no more than the second percentage of established standards voltage；That is the embodiment of the present invention
It can determine each node voltage per unit value of power distribution network after determining each node voltage of power distribution network, choose each node voltage mark
Maximum node voltage per unit value in value determines maximum node voltage not when maximum node voltage per unit value is less than second value
More than the second percentage of established standards voltage；
Optionally, electric discharge ratio can be according to the load of current power distribution network, the function of photovoltaic power generation quantity and all energy storage devices
Rate determines；Specifically, the embodiment of the present invention can determine the second value multiple of power distribution network current loads, the difference with photovoltaic power generation quantity
Value, by identified difference divided by the power of all energy storage devices, obtains electric discharge ratio, obtained electric discharge ratio can be used as
Discharge target ratio.
Step S420, the second instruction of output is controlled with instruction and executes equipment control energy storage device with the discharge target ratio
Example is discharged, and energy storage device is enabled to store the electricity of rationing the power supply of power distribution network.
The embodiment of the present invention is when maximum node voltage is no more than the second percentage of established standards voltage, to energy storage device
The purpose discharged is, prepares for energy storage device follow-up storage electricity of rationing the power supply.
Further, during determining discharge target ratio, if according to the load of current power distribution network, photovoltaic power generation quantity and
Electric discharge ratio determined by the power of all energy storage devices is greater than the first electric discharge ratio (such as 15%) of setting, then the embodiment of the present invention
The ratio that setting first can be discharged is as finally determining discharge target ratio, so that the second instruction of output, is held with instruction control
Row equipment control energy storage device is discharged with the first electric discharge ratio of the setting, and energy storage device is enabled to store power distribution network
It rations the power supply electricity；
The embodiment of the present invention is true according to the power institute of the load of current power distribution network, photovoltaic power generation quantity and all energy storage devices
It is the purpose for setting the first electric discharge ratio by discharge target ratio-dependent when fixed electric discharge ratio is greater than setting the first electric discharge ratio
It is not cause distribution network voltage out-of-limit after guaranteeing energy storage device electric discharge；
Optionally, setting the first electric discharge ratio can according to practice, test experience obtain, the embodiment of the present invention can be by more
Secondary discharge test when judging that energy storage device is discharged with what electric discharge ratio, can guarantee that distribution network voltage is not too high, such as
If fruit is higher than the electric discharge ratio judged, then it may be such that in power distribution network there is first more than established standards voltage
Such as there is the node voltage that node voltage per unit value is greater than the first value (1.07) in the node voltage of percentage；
Obviously, if according to determined by the power of the load of current power distribution network, photovoltaic power generation quantity and all energy storage devices
Electric discharge ratio is less than setting the first electric discharge ratio, then the embodiment of the present invention can be directly by identified electric discharge ratio, as target
Electric discharge ratio.
Optionally, if maximum node voltage is more than the second percentage of established standards voltage, and it is no more than the first percentage
Than for i.e. maximum node voltage per unit value between second value and the first value, then the embodiment of the present invention is exportable sets all energy storage
Equipment is that the instruction of idle state executes equipment to control, so that control execution equipment controls all energy storage devices and is set to the spare time
Set state.
Optionally, Fig. 5 shows the another stream of the working state control method of energy storage device provided in an embodiment of the present invention
Cheng Tu, referring to Fig. 5, this method may include:
Step S500, when reaching the setting Load flow calculation moment at current time, it is idle shape that all energy storage devices are set in output
The instruction of state executes equipment to control, so that the control executes all energy storage devices of equipment control and is set to idle state；
Step S510, Load flow calculation is carried out to power distribution network, determines each node for the power distribution network that energy storage device leaves unused in situation
Voltage；
Step S520, according to each node voltage, each node voltage per unit value is calculated, determines each node voltage per unit value
In maximum node voltage per unit value；
If step S530, the described maximum node voltage per unit value is greater than the first value, it is determined that need to be carried out to energy storage device
Charging, and determine the energy storage power of the current all amounts of rationing the power supply of power distribution network and all energy storage devices；
Step S540, all amounts of rationing the power supply are obtained into Charge Proportional divided by the energy storage power of all energy storage devices；
Step S550, output first instruction, with instruction control execute equipment control energy storage device with the Charge Proportional into
Row charging；
If step S560, the described maximum node voltage per unit value is less than second value, it is determined that need to be carried out to energy storage device
Electric discharge, and determine the second value multiple of power distribution network current loads, the difference with photovoltaic power generation quantity, by identified difference divided by institute
There is the power of energy storage device, electric discharge ratio is calculated；
If step S570, obtained electric discharge ratio is less than setting the first electric discharge ratio, by the electric discharge being calculated ratio
Example is used as discharge target ratio；
If step S580, obtained electric discharge ratio is greater than setting the first electric discharge ratio, by the electric discharge ratio of setting first
As discharge target ratio；
Step S590, the second instruction of output is controlled with instruction and executes equipment control energy storage device with the discharge target ratio
Example is discharged；
If step S600, the described maximum node voltage per unit value, between second value and the first value, output is set all
Energy storage device is that the instruction of idle state executes equipment to control, so that control execution equipment controls all energy storage devices and sets
For idle state.
Optionally, the first value can be 1.07, and second value can be 1.05, and setting the first electric discharge ratio can be 15%.
As can be seen that the embodiment of the present invention can charge to energy storage device, be discharged, the control of idle state；Specifically,
The embodiment of the present invention can maximum node voltage per unit value be greater than 1.07 when, charge to energy storage device, and Charge Proportional by
All amounts of rationing the power supply are obtained divided by the energy storage power of all energy storage devices；When maximum node voltage per unit value is less than 1.05, to storage
Energy equipment is discharged, and if according to obtained by the power of power distribution network current loads, photovoltaic power generation quantity and all energy storage devices
Electric discharge ratio be greater than 15%, then discharged with 15% electric discharge ratio energy storage device, if currently born according to power distribution network
When the obtained electric discharge ratio of the power of lotus, photovoltaic power generation quantity and all energy storage devices is less than 15%, then to be specifically calculated
Electric discharge ratio discharge energy storage device；When maximum node voltage per unit value is between 1.05 and 1.07, institute can be set
Having energy storage device is idle state.
Below to the application examples and application effect of the working state control method of energy storage device provided in an embodiment of the present invention
It is introduced:
Fig. 6 is a certain village low-voltage network schematic diagram, which shares 4 public distribution transformings, and main transformer capacity is (3*100+
200) kVA, more than 160 family of resident, power supply are the village east route of 35kV；The village 35kV eastern station main transformer capacity is (8+10) kVA, certain year
Peak load is 11.7MW；Household table number is 217 families in village, wherein 180 family of single-phase resident, three-phase power user 37
Family, certain annual family table peak load is 3464kW；
Energy storage device then is accessed in tri- nodes of dong_232, dongbei_234 and nei_231 respectively, energy storage device
Capacity is 100kW/200kWh
Using the embodiment of the present invention, all energy storage can be set as to idle state, carry out Load flow calculation, obtain the whole network highest
Voltage per unit value；By calculating above-mentioned low-voltage network, ceiling voltage per unit value is 1.112；According to ceiling voltage per unit value,
Further determine that the working condition of energy storage device, then next time carries out Load flow calculation again；In addition, can according to program setting parameter,
Ceiling voltage per unit value is more than 1.11, when less than 1.12, and 30% excision is carried out to institute's generated energy, and the amount of rationing the power supply is 76 kilowatt hours,
All amounts of rationing the power supply are stored in energy storage device, set energy storage device at this time as charged state, Charge Proportional is 76% (by all
The amount of rationing the power supply is obtained divided by the power of all energy storage devices)；Re-start Load flow calculation next time, then ceiling voltage per unit value is
1.066, less than 1.07, meet the requirements.
The working state control method of energy storage device provided in an embodiment of the present invention can reduce the voltage out-of-limit wind of power distribution network
Danger, and during the working state control of energy storage device, control precision is higher, data processing amount is smaller, mode is easy.
Control equipment provided in an embodiment of the present invention is introduced below, control equipment described below can with retouch above
The working state control method for the energy storage device stated corresponds to each other reference.
Fig. 7 is the structural block diagram of control decision equipment provided in an embodiment of the present invention, referring to Fig. 7, should be set in control decision
It is standby to may include:
Node voltage determining module 100, for determining each node voltage of power distribution network；
Charge Proportional determining module 200, if the first percentage for maximum node voltage more than established standards voltage,
Then determination need to charge to energy storage device, and determine Charge Proportional；
First command output module 300, for export first instruction, with instruction control execute equipment control energy storage device with
The Charge Proportional charges, so that the maximum node voltage is no more than the first percentage of established standards voltage.
Optionally, node voltage determining module 100 is particularly used in, and reaches the setting Load flow calculation moment at current time
When, it exports the instruction for setting all energy storage devices as idle state and executes equipment to control, so that the control executes equipment and controls
All energy storage devices are set to idle state；Load flow calculation is carried out to power distribution network, determines the power distribution network that energy storage device leaves unused in situation
Each node voltage.
Optionally, Fig. 8 shows another structural block diagram of control decision equipment provided in an embodiment of the present invention, in conjunction with Fig. 7
With shown in Fig. 8, which can also include:
Maximum node voltage per unit value determining module 400, for calculating each node voltage mark according to each node voltage
Value, determines the maximum node voltage per unit value in each node voltage per unit value；
Surpass the first percentage determining module 500, if being greater than the first value for the maximum node voltage per unit value, really
The fixed maximum node voltage is more than the first percentage of established standards voltage, and the first value is one plus the first percentage.
Optionally, Charge Proportional determining module 200 is particularly used in when determining Charge Proportional, determines that power distribution network is current
All amounts of rationing the power supply and all energy storage devices energy storage power；By all amounts of rationing the power supply divided by all energy storage devices
Energy storage power, obtains Charge Proportional.
Optionally, Charge Proportional determining module 200 is particularly used in when determining all amounts of rationing the power supply of power distribution network currently:
Determine that the maximum node voltage is more than the specific percentage of established standards voltage, present percentage range pair
The ratio of rationing the power supply answered, a corresponding percentage range of ratio of rationing the power supply, by all generated energy of power distribution network multiplied by identified
It rations the power supply ratio, obtains the current all amounts of rationing the power supply of power distribution network；
Or, determine the corresponding ratio of rationing the power supply of voltage per unit value range at maximum node voltage per unit value, a limit
The corresponding node voltage per unit value range of electric ratio is obtained by all generated energy of power distribution network multiplied by identified ratio of rationing the power supply
All the ration the power supply amounts current to power distribution network.
Optionally, Fig. 9 shows another structural block diagram of control decision equipment provided in an embodiment of the present invention, in conjunction with Fig. 7
With shown in Fig. 9, which can also include:
Discharge target ratio-dependent module 600, if being no more than the second of established standards voltage for maximum node voltage
Percentage, it is determined that need to discharge energy storage device, and determine discharge target ratio；Second percentage is less than the 100th
Divide ratio；
Optionally, control decision equipment can determine maximum node electricity when maximum node voltage per unit value is less than second value
Pressure is no more than the second percentage of established standards voltage, and second value can add the second percentage for one；
Second command output module 700, for export second instruction, with instruction control execute equipment control energy storage device with
The discharge target ratio is discharged, and energy storage device is enabled to store the electricity of rationing the power supply of power distribution network.
Optionally, discharge target ratio-dependent module 600 is particularly used in when determining discharge target ratio:
The second value multiple for determining power distribution network current loads, the difference with photovoltaic power generation quantity, by identified difference divided by
The power of all energy storage devices obtains electric discharge ratio, using obtained electric discharge ratio as the discharge target ratio；
Or, determining the second value multiple of power distribution network current loads, the difference with photovoltaic power generation quantity removes identified difference
With the power of all energy storage devices, electric discharge ratio is obtained, it, will if obtained electric discharge ratio is greater than the first electric discharge ratio of setting
The first electric discharge ratio-dependent that sets is the discharge target ratio, if obtained electric discharge ratio is less than the first electric discharge of setting
Ratio, then using obtained electric discharge ratio as the discharge target ratio.
Optionally, control decision equipment can be also used for: if maximum node voltage is more than the second of established standards voltage
Percentage, and it is no more than the first percentage, it exports the instruction for setting all energy storage devices as idle state and executes equipment to control, with
So that the control is executed all energy storage devices of equipment control and is set to idle state.
The embodiment of the present invention also provides a kind of operation status control system of energy storage device, and the structure of the system can be such as figure
Shown in 10, comprising: control decision equipment 10 and control execute equipment 20；
Wherein, control decision equipment 10 can be used for, and determine each node voltage of power distribution network；If maximum node voltage is more than
First percentage of established standards voltage, it is determined that need to charge to energy storage device, and determine Charge Proportional；Output first refers to
It enables, execution equipment control energy storage device is controlled with instruction and is charged with the Charge Proportional, so that the maximum node voltage
No more than the first percentage of established standards voltage；
Control execute equipment 20 can be used for, receive it is described first instruction, according to it is described first instruction control energy storage device with
The Charge Proportional charges.
Optionally, control decision equipment 10 can also be used in, if maximum node voltage is no more than the of established standards voltage
Two percentages, it is determined that need to discharge energy storage device, and determine discharge target ratio；Second percentage is less than first
Percentage；The second instruction of output is controlled execution equipment control energy storage device with instruction and is discharged with the discharge target ratio,
Energy storage device is enabled to store the electricity of rationing the power supply of power distribution network；
It can also be used in correspondingly, control executes equipment 20, receive second instruction, according to the second instruction control storage
Energy equipment is discharged with the discharge target ratio.
Optionally, control decision equipment 10 can also be used in, if maximum node voltage is more than the second of established standards voltage
Percentage, and it is no more than the first percentage, it exports the instruction for setting all energy storage devices as idle state and executes equipment to control, with
So that the control is executed all energy storage devices of equipment control and is set to idle state；
It can also be used in correspondingly, control executes equipment 20, the instruction that all energy storage devices are idle state set described in reception,
It controls all energy storage devices and is set to idle state.
The embodiment of the present invention can reduce the voltage limit risk of power distribution network, and the working state control process of energy storage device
In, control precision is higher, data processing amount is smaller, mode is easy.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of working state control method of energy storage device, which is characterized in that be applied to control decision equipment, the method packet
It includes:
Determine each node voltage of power distribution network；
If maximum node voltage is more than the first percentage of established standards voltage, it is determined that it need to charge to energy storage device,
And determine Charge Proportional；
The first instruction of output is controlled execution equipment control energy storage device with instruction and is charged with the Charge Proportional, so that institute
State the first percentage that maximum node voltage is no more than established standards voltage；
Wherein, each node voltage of the determining power distribution network includes:
When reaching the setting Load flow calculation moment at current time, the instruction for setting all energy storage devices as idle state is exported to control
Equipment is executed, so that the control executes all energy storage devices of equipment control and is set to idle state；
Load flow calculation is carried out to power distribution network, determines each node voltage for the power distribution network that energy storage device leaves unused in situation.
2. the working state control method of energy storage device according to claim 1, which is characterized in that the method is also wrapped
It includes:
According to each node voltage, each node voltage per unit value is calculated, determines the maximum node in each node voltage per unit value
Voltage per unit value；
If the maximum node voltage per unit value is greater than the first value, it is determined that the maximum node voltage is more than established standards electricity
First percentage of pressure, the first value are one plus the first percentage.
3. the working state control method of energy storage device according to claim 1, which is characterized in that the determining charge ratio
Example include:
Determine the energy storage power of the current all amounts of rationing the power supply of power distribution network and all energy storage devices；
By all amounts of rationing the power supply divided by the energy storage power of all energy storage devices, Charge Proportional is obtained.
4. the working state control method of energy storage device according to claim 3, which is characterized in that the determining power distribution network
Current all amounts of rationing the power supply include:
Determine that the maximum node voltage is more than the specific percentage of established standards voltage, present percentage range is corresponding
It rations the power supply ratio, a corresponding percentage range of ratio of rationing the power supply rations the power supply all generated energy of power distribution network multiplied by identified
Ratio obtains the current all amounts of rationing the power supply of power distribution network；
Or, determining the corresponding ratio of rationing the power supply of voltage per unit value range at maximum node voltage per unit value, a ratio of rationing the power supply
The corresponding voltage per unit value range of example obtains power distribution network by all generated energy of power distribution network multiplied by identified ratio of rationing the power supply
Current all amounts of rationing the power supply.
5. the working state control method of energy storage device according to claim 1, which is characterized in that the method is also wrapped
It includes:
If maximum node voltage is no more than the second percentage of established standards voltage, it is determined that need to be put to energy storage device
Electricity, and determine discharge target ratio；Second percentage is less than the first percentage；
The second instruction of output is controlled execution equipment control energy storage device with instruction and is discharged with the discharge target ratio, made
The electricity of rationing the power supply of power distribution network can be stored by obtaining energy storage device.
6. the working state control method of energy storage device according to claim 5, which is characterized in that the determining target is put
Electric ratio includes:
The second value multiple for determining power distribution network current loads, the difference with photovoltaic power generation quantity, by identified difference divided by all
The power of energy storage device obtains electric discharge ratio, using obtained electric discharge ratio as the discharge target ratio；
Or, determining the second value multiple of power distribution network current loads, the difference with photovoltaic power generation quantity, by identified difference divided by institute
There is the power of energy storage device, obtains electric discharge ratio, it, will be described if obtained electric discharge ratio is greater than the first electric discharge ratio of setting
The first electric discharge ratio-dependent is set as the discharge target ratio, if obtained electric discharge ratio is less than setting the first electric discharge ratio
Example, then using obtained electric discharge ratio as the discharge target ratio.
7. the working state control method of energy storage device according to claim 1, which is characterized in that the method is also wrapped
It includes:
If maximum node voltage is more than the second percentage of established standards voltage, and is no more than the first percentage, institute is set in output
There is the instruction that energy storage device is idle state to execute equipment to control, so that the control executes equipment and controls all energy storage devices
It is set to idle state.
8. a kind of control decision equipment characterized by comprising
Node voltage determining module, for determining each node voltage of power distribution network；
Charge Proportional determining module, if the first percentage for maximum node voltage more than established standards voltage, it is determined that
It need to charge to energy storage device, and determine Charge Proportional；
First command output module is executed equipment control energy storage device with instruction control and is filled with described for exporting the first instruction
Electric ratio charges, so that the maximum node voltage is no more than the first percentage of established standards voltage；
Wherein, the node voltage determining module is specifically used for when reaching the setting Load flow calculation moment at current time, and output is set
All energy storage devices are that the instruction of idle state executes equipment to control, so that control execution equipment controls all energy storage and sets
It purchases as idle state；Load flow calculation is carried out to power distribution network, determines each node electricity for the power distribution network that energy storage device leaves unused in situation
Pressure.
9. a kind of operation status control system of energy storage device characterized by comprising control decision equipment and control are executed and set
It is standby；
Wherein, the control decision equipment is used for, and determines each node voltage of power distribution network；If maximum node voltage is more than setting
First percentage of normal voltage, it is determined that need to charge to energy storage device, and determine Charge Proportional；The first instruction of output,
It controls execution equipment control energy storage device with instruction to charge with the Charge Proportional, so that the maximum node voltage does not surpass
Cross the first percentage of established standards voltage；
Each node voltage of the determining power distribution network includes: when reaching the setting Load flow calculation moment at current time, and institute is set in output
There is the instruction that energy storage device is idle state to execute equipment to control, so that the control executes equipment and controls all energy storage devices
It is set to idle state；Load flow calculation is carried out to power distribution network, determines each node voltage for the power distribution network that energy storage device leaves unused in situation；
The control executes equipment and is used for, and receives first instruction, according to the first instruction control energy storage device with described
Charge Proportional charges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366234.7A CN105932682B (en) | 2016-05-27 | 2016-05-27 | A kind of working state control method of energy storage device, control decision equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366234.7A CN105932682B (en) | 2016-05-27 | 2016-05-27 | A kind of working state control method of energy storage device, control decision equipment and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105932682A CN105932682A (en) | 2016-09-07 |
| CN105932682B true CN105932682B (en) | 2019-02-15 |
Family
ID=56841273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610366234.7A Active CN105932682B (en) | 2016-05-27 | 2016-05-27 | A kind of working state control method of energy storage device, control decision equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105932682B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599215B (en) * | 2018-05-15 | 2020-02-21 | 杭州电子科技大学 | Power distribution network voltage regulation and control method based on internet cloud platform and distributed energy storage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5501293B2 (en) * | 2011-05-31 | 2014-05-21 | 株式会社日立製作所 | Distribution system control system and control method |
| CN103872689A (en) * | 2014-03-13 | 2014-06-18 | 北京电研华源电力技术有限公司 | Multi-agent system-based voltage reactive power distributed coordinated control method and device |
-
2016
- 2016-05-27 CN CN201610366234.7A patent/CN105932682B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5501293B2 (en) * | 2011-05-31 | 2014-05-21 | 株式会社日立製作所 | Distribution system control system and control method |
| CN103872689A (en) * | 2014-03-13 | 2014-06-18 | 北京电研华源电力技术有限公司 | Multi-agent system-based voltage reactive power distributed coordinated control method and device |
Non-Patent Citations (1)
| Title |
|---|
| 含分布式电源的主动配电网电压特性的研究;孔丽;《中国优秀硕士学位论文全文数据库工程科技II辑》;20121015;第32页1-4行、第60-62页，图4-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105932682A (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Uhrig et al. | Lithium-based vs. vanadium redox flow batteries–a comparison for home storage systems | |
| Daud et al. | An improved control method of battery energy storage system for hourly dispatch of photovoltaic power sources | |
| Alam et al. | Mitigation of rooftop solar PV impacts and evening peak support by managing available capacity of distributed energy storage systems | |
| Kabir et al. | Coordinated control of grid-connected photovoltaic reactive power and battery energy storage systems to improve the voltage profile of a residential distribution feeder | |
| CN104037793B (en) | A kind of energy-storage units capacity collocation method being applied to active distribution network | |
| Lacey et al. | The use of second life electric vehicle batteries for grid support | |
| Farag et al. | Voltage regulation in distribution feeders with high DG penetration: From traditional to smart | |
| EP2891221B2 (en) | Power distribution system loss reduction with distributed energy resource control | |
| Katsanevakis et al. | A novel voltage stability and quality index demonstrated on a low voltage distribution network with multifunctional energy storage systems | |
| CN110571838B (en) | Energy storage battery early peak load reduction control method and device | |
| Vartanian et al. | A123 systems' advanced battery energy storage for renewable integration | |
| CN108695871A (en) | The configuration method of the reduction stored energy capacitance demand of isolated island micro-capacitance sensor containing electric power spring | |
| Persaud et al. | Impact of remotely connected wind turbines on steady state operation of radial distribution networks | |
| CN110661250B (en) | Reliability evaluation method and system for wind-solar energy storage and power generation power transmission system | |
| CN202651806U (en) | Smooth wind-power photovoltaic power generation control system of battery energy storage station | |
| CN108599211B (en) | Multi-energy-storage-system power distribution composite method based on micro-grid scheduling instruction | |
| CN108964120B (en) | Low-voltage distributed photovoltaic access capacity optimization control method | |
| CN105932682B (en) | A kind of working state control method of energy storage device, control decision equipment and system | |
| WO2011093419A1 (en) | Power supply method, computer-readable recording medium, and power generation system | |
| Chua et al. | Voltage unbalance mitigation in low voltage distribution networks with photovoltaic systems | |
| Jamian et al. | Minimization of power losses in distribution system via sequential placement of distributed generation and charging station | |
| CN113240350A (en) | Comprehensive utility evaluation method and system based on energy storage grid connection | |
| Yang et al. | Over-voltage mitigation control strategies for distribution system with high PV penetration | |
| CN105406465B (en) | A kind of distribution net platform region state analysis method based on load moment nargin | |
| JP6746935B2 (en) | Charge/discharge control system, charge/discharge control method and program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: National Grid Energy Research Institute Co., Ltd. Applicant after: STATE GRID HUBEI ELECTRIC POWER COMPANY Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: State Grid Energy Research Institute Applicant before: STATE GRID HUBEI ELECTRIC POWER COMPANY |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |