CN107332253A - A kind of power-compensation low-voltage platform area control method, apparatus and system - Google Patents
A kind of power-compensation low-voltage platform area control method, apparatus and system Download PDFInfo
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- CN107332253A CN107332253A CN201710791719.5A CN201710791719A CN107332253A CN 107332253 A CN107332253 A CN 107332253A CN 201710791719 A CN201710791719 A CN 201710791719A CN 107332253 A CN107332253 A CN 107332253A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
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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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of power-compensation low-voltage platform area control method, apparatus and system, wherein, the power-compensation low-voltage platform area control method includes：Get the voltage of low-voltage circuit；After judging the voltage of low-voltage circuit not in preset interval of acceptance, reactive-load compensation is carried out by controlling thyristor switchable capacitor to put into electric capacity to low-voltage circuit, the voltage after reactive-load compensation is obtained；After the voltage after judging reactive-load compensation is not in preset interval of acceptance, active compensation is carried out until the voltage after active compensation is in preset interval of acceptance to low-voltage circuit by energy-storage battery and energy conversion system.The embodiment of the present invention is when the line voltage distribution for judging low-voltage platform area is unqualified, it is idle with booster tension by preferentially exporting, if input is idle to be unable to reach control targe, then export active, and then reduction battery charging and discharging number of times is realized, extend the purpose of its service life.
Description
Technical field
The present invention relates to power network field of power distribution, more particularly to a kind of power-compensation low-voltage platform area control method, device
And system.
Background technology
With the development of economy and society, the load such as resident, agricultural production, cultivation drastically develops.Original 380V/220V nets
Frame structure is not good at, load factor weight, three-phase load unbalance, the low multiple factors overlaying influence of power factor, causes resident end electricity
The problem of forcing down increasingly protrudes, and resident is also more and more on the complaint of quality of voltage, particularly shows in recent years
The situation of explosive growth.
It is the fundamental means for solving the problems, such as low-voltage to shorten radius of electricity supply by newly-built area, improve basic rack level,
But the problem of there is the following aspects.It is that the implementation cycle is long first.Stood from discovery low-voltage problem, to application construction project
, to implementations is finally completed, at least need one-year age or even longer.Two be that, for subregion, investment return is poor.In part
Rural area, load peak-valley difference is larger (daily load peak-valley difference, seaonal load peak-valley difference, return to one's native place load peak-valley difference), distribution end
Voltage undulation is big, and newly-built area's average investment is in ten thousand yuan of 50-60, but number of working hours based on maximum load is very low, it is impossible to reclaims and throws
Enter cost.
Therefore it provides what a kind of low-voltage platform area control method, apparatus and system existed to solve the transformation of low-voltage platform area
The not good technical problem of implementation cycle length, investment return.
The content of the invention
The embodiments of the invention provide a kind of power-compensation low-voltage platform area control method, apparatus and system, storage is utilized
Energy technology solves the not good technical problem of the implementation cycle length of low-voltage platform area transformation presence, investment return.
The embodiments of the invention provide a kind of power-compensation low-voltage platform area control method, including：
S1：Get the voltage of low-voltage circuit；
S2：After judging the voltage of low-voltage circuit not in preset interval of acceptance, by controlling thyristor switchable capacitor
Reactive-load compensation is carried out to low-voltage circuit input electric capacity, the voltage after reactive-load compensation is obtained；
S3：After the voltage after judging reactive-load compensation is not in preset interval of acceptance, changed by energy-storage battery and energy
System carries out active compensation until the voltage after active compensation is in preset interval of acceptance to low-voltage circuit.
Preferably, step S2 is specifically included：
After judging the voltage of low-voltage circuit not in preset interval of acceptance, thyristor switchable capacitor group is got most
Low capacity, by controlling thyristor switchable capacitor group by electric capacity progress reactive-load compensation is put into low-voltage circuit from small to large, is obtained
Voltage after to reactive-load compensation.
Preferably, step S3 is specifically included：
After the voltage after judging reactive-load compensation is not in preset interval of acceptance, sends battery discharge signal to energy and change
System so that energy-storage battery carries out active compensation until the voltage after active compensation exists by energy conversion system to low-voltage circuit
In preset interval of acceptance.
Preferably, a kind of power-compensation low-voltage platform area control method provided in an embodiment of the present invention also includes：
After judging the voltage of low-voltage circuit in preset interval of acceptance, judge whether energy-storage battery needs charging, if needing
Will, then battery charging control signal is sent to energy conversion system so that energy-storage battery obtains low pressure by energy conversion system
The electric energy of circuit charges, if need not, battery float control signal is sent to energy conversion system so that energy storage
The electric energy that battery obtains low-voltage circuit by energy conversion system carries out floating charge.
Preferably, the embodiment of the present invention additionally provides a kind of power-compensation low-voltage platform area control device, including：
Acquiring unit, the voltage for getting low-voltage circuit；
First judging unit, for judging the voltage of low-voltage circuit whether in preset interval of acceptance, if it is not, then triggering
Reactive compensation unit；
Reactive compensation unit, for carrying out idle mend by controlling thyristor switchable capacitor to put into electric capacity to low-voltage circuit
Repay, obtain the voltage after reactive-load compensation；
Second judging unit, for judging the voltage after reactive-load compensation whether in preset interval of acceptance, if it is not, then touching
Send out compensating unit active；
Active compensating unit, for carrying out active compensation to low-voltage circuit by energy-storage battery and energy conversion system until
Voltage after active compensation is in preset interval of acceptance.
Preferably, reactive compensation unit is additionally operable to get the minimum capacity of thyristor switchable capacitor group, passes through control
Thyristor switchable capacitor group obtains the electricity after reactive-load compensation by reactive-load compensation is carried out to low-voltage circuit input electric capacity from small to large
Pressure.
Preferably, active compensating unit is additionally operable to send battery discharge signal to energy conversion system so that energy-storage battery
Active compensation is carried out until the voltage after active compensation is in preset interval of acceptance to low-voltage circuit by energy conversion system.
Preferably, a kind of power-compensation low-voltage platform area control device provided in an embodiment of the present invention also includes：3rd
Judging unit, fill unit and floating charge unit；
First judging unit, is additionally operable to judge the voltage of low-voltage circuit whether in preset interval of acceptance, if so, then triggering
3rd judging unit；
3rd judging unit, for judging whether energy-storage battery needs charging, if desired, then trigger and fill unit, if not
Need, then trigger floating charge unit；
Unit is filled, for sending battery charging control signal to energy conversion system so that energy-storage battery passes through energy
The electric energy that converting system obtains low-voltage circuit charges；
Floating charge unit, for sending battery float control signal to energy conversion system so that energy-storage battery passes through energy
The electric energy that converting system obtains low-voltage circuit carries out floating charge.
Preferably, the embodiment of the present invention additionally provides a kind of power-compensation low-voltage platform zone control system, including：Energy storage
Battery, energy conversion system, thyristor switchable capacitor group and power-compensation low-voltage platform area as described above control dress
Put；
Power-compensation low-voltage platform area control device communicates with energy conversion system, thyristor switchable capacitor group respectively
Connection；
Energy-storage battery and energy conversion system electrical connection.
Preferably, a kind of power-compensation low-voltage platform zone control system provided in an embodiment of the present invention also includes：Collection
Device；
Harvester is connected with power-compensation low-voltage platform area control device, and harvester is connected with low-voltage circuit；
Harvester is used for the voltage for gathering low-voltage circuit.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The embodiments of the invention provide a kind of power-compensation low-voltage platform area control method, apparatus and system, wherein, should
Power-compensation low-voltage platform area control method includes：S1：Get the voltage of low-voltage circuit；S2：Judging low-voltage circuit
After voltage is not in preset interval of acceptance, idle mend is carried out by controlling thyristor switchable capacitor to put into electric capacity to low-voltage circuit
Repay, obtain the voltage after reactive-load compensation；S3：After the voltage after judging reactive-load compensation is not in preset interval of acceptance, pass through storage
Energy battery and energy conversion system carry out active compensation until the voltage after active compensation is in preset interval of acceptance to low-voltage circuit
It is interior.The embodiment of the present invention is idle with booster tension by preferentially exporting when the line voltage distribution for judging low-voltage platform area is unqualified,
If input is idle to be unable to reach control targe, then exports active, and then reduces battery charging and discharging number of times, extend it and use the longevity
Life.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of power-compensation low-voltage platform area control method provided in an embodiment of the present invention；
Fig. 2 illustrates for a kind of another flow of power-compensation low-voltage platform area control method provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of structural representation of power-compensation low-voltage platform area control device provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of power-compensation low-voltage platform zone control system provided in an embodiment of the present invention；
Fig. 5 illustrates for a kind of application examples of power-compensation low-voltage platform area control method provided in an embodiment of the present invention
Figure.
Embodiment
The embodiments of the invention provide a kind of power-compensation low-voltage platform area control method, apparatus and system, storage is utilized
Energy technology solves the not good technical problem of the implementation cycle length of low-voltage platform area transformation presence, investment return.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 1, an a kind of reality of power-compensation low-voltage platform area control method provided in an embodiment of the present invention
Example is applied, including：
101st, the voltage of low-voltage circuit is got；
Monitoring system gets the voltage of low-voltage circuit, wherein, monitor terminal can be by harvester to low-voltage circuit
Voltage is acquired.
102nd, the voltage of low-voltage circuit is judged whether in preset interval of acceptance, if it is not, then performing 103；
Whether monitoring system judges the voltage of low-voltage circuit in preset interval of acceptance after the voltage of voltage circuit is got
It is interior, if it is not, then performing step 103.It should be noted that the preset interval of acceptance be according to set by actual demand, its with
Local voltage requirements are related, are such as not less than 220V.
103rd, reactive-load compensation is carried out by controlling thyristor switchable capacitor to put into electric capacity to low-voltage circuit, obtains idle benefit
Voltage after repaying；
After judging the voltage of low-voltage circuit not in preset interval of acceptance, monitoring system is by controlling thuristor throw-in and throw-off electricity
Container carries out reactive-load compensation to low-voltage circuit input electric capacity, obtains the voltage after reactive-load compensation.
104th, the voltage after reactive-load compensation is judged whether in preset interval of acceptance, if it is not, then performing 105；
Whether monitoring system judges the voltage after reactive-load compensation in preset qualified area after the voltage after obtaining reactive-load compensation
In, if it is not, step 105 is then performed, if so, then terminating.
105th, active compensation is carried out until after active compensation to low-voltage circuit by energy-storage battery and energy conversion system
Voltage is in preset interval of acceptance.
Monitoring system passes through energy-storage battery and energy after the voltage after judging reactive-load compensation is not in preset interval of acceptance
Converting system carries out active compensation until the voltage after active compensation is in preset interval of acceptance to low-voltage circuit.
The embodiment of the present invention is idle to be lifted by preferentially exporting when the line voltage distribution for judging low-voltage platform area is unqualified
Voltage, if input is idle to be unable to reach control targe, then exports active, and then reduces battery charging and discharging number of times, and extending it makes
Use the life-span.
Referring to Fig. 2, another of a kind of power-compensation low-voltage platform area control method provided in an embodiment of the present invention
Embodiment, including：
201st, the voltage of low-voltage circuit is got；
Monitoring system gets the voltage of low-voltage circuit, wherein, monitor terminal can be by harvester to low-voltage circuit
Voltage is acquired.Harvester gathers three-phase current signal, and the voltage signal is by the way of directly gathering.
202nd, the voltage of low-voltage circuit is judged whether in preset interval of acceptance, if it is not, 203 are then performed, if so, then holding
Row 204；
Whether monitoring system judges the voltage of low-voltage circuit in preset interval of acceptance after the voltage of voltage circuit is got
It is interior, if it is not, step 203 is then performed, if so, then performing step 204.It should be noted that according to the preset interval of acceptance
Set by actual demand, it is related to local voltage requirements, is such as not less than 220V.
203rd, get the minimum capacity of thyristor switchable capacitor group, by control thyristor switchable capacitor group by from
It is small that reactive-load compensation is carried out to low-voltage circuit input electric capacity to big, the voltage after reactive-load compensation is obtained, and perform 207；
After judging the voltage of low-voltage circuit not in preset interval of acceptance, monitoring system gets thyristor series capacitor
The minimum capacity of device group, by controlling thyristor switchable capacitor group idle by electric capacity progress is put into low-voltage circuit from small to large
Compensation, obtains the voltage after reactive-load compensation, then performs step 207.Wherein, the thyristor switchable capacitor group in the present embodiment
By capacitor bank into capacitor is generally divided into 2 groups, and a pool-size is Q, and another set is 2Q, then reactive compensation capacity can be divided into
Q, 2Q, 3Q three-level are exported.It is understood that the voltage after the reactive-load compensation is that low-voltage circuit is carried out to gather after electric capacity input
Obtained voltage.
204th, judge whether energy-storage battery needs charging, if desired, then perform step 205, if need not, perform step
206；
After judging the voltage of low-voltage circuit in preset interval of acceptance, monitoring system judges whether energy-storage battery needs to fill
Electricity, if desired, then perform step 205, if need not, perform step 206.
205th, battery charging control signal is sent to energy conversion system so that energy-storage battery is obtained by energy conversion system
The electric energy of low-voltage circuit is taken to charge；
Monitoring system sends battery charging control signal to energy conversion system so that energy-storage battery is changed by energy is
The electric energy that system obtains low-voltage circuit charges.In the present embodiment, energy-storage battery uses lead carbon battery, and battery capacity is full
Under sufficient 3-4 hours rated power the need for electric energy release.For example, power if desired is 25kW, then battery capacity be 75~
100kWh.Energy conversion system is using two conventional level three-phase voltage source converters, using sine wave pulse width modulation method.By
In that need not be filtered, relatively low frequency, such as 5kHz may be selected in the frequency of modulating wave.
206th, battery float control signal is sent to energy conversion system so that energy-storage battery is obtained by energy conversion system
The electric energy of low-voltage circuit is taken to carry out floating charge；
Monitoring system sends battery float control signal to energy conversion system so that energy-storage battery is changed by energy is
The electric energy that system obtains low-voltage circuit carries out floating charge.
207th, the voltage after reactive-load compensation is judged whether in preset interval of acceptance, if it is not, 208 are then performed, if so, then
Terminate.
Obtain after the voltage after reactive-load compensation, whether monitoring system judges the voltage after reactive-load compensation in preset interval of acceptance
It is interior, if it is not, step 208 is then performed, if so, then terminating.
208th, battery discharge signal is sent to energy conversion system so that energy-storage battery is by energy conversion system to low pressure
Circuit carries out active compensation until the voltage after active compensation is in preset interval of acceptance.
Monitoring system sends battery discharge signal to energy conversion system so that energy-storage battery passes through energy conversion system pair
Low-voltage circuit carries out active compensation until the voltage after active compensation is in preset interval of acceptance.It is understood that to low
Line ball road is carried out after active compensation, and the voltage of collection low-voltage circuit is the voltage after active compensation, if judging after active compensation
Voltage still can not meet Eligibility requirements, then increase energy-storage battery discharge power so that energy-storage battery is changed by energy
System proceeds electric discharge to low-voltage circuit, until the voltage after active compensation is in preset interval of acceptance.
In the present embodiment, monitoring system can be a kind of monitor terminal, and it uses DSP as processor, to collection
Voltage, current signal are handled, according to control strategy, the charge and discharge control instruction of generation energy conversion system, thuristor throw-in and throw-off
Instruction.
The above is the detailed description carried out to a kind of power-compensation low-voltage platform area control method, for ease of understanding, under
Face will be illustrated with a concrete application scene to a kind of application of power-compensation low-voltage platform area control method, refer to figure
5, the circuit between distribution side and load side is low-voltage circuit, and detailed process includes：
(1) harvester access low-voltage circuit, gathers the three-phase voltage of on-position；
(2) monitoring system judge current voltage whether setting interval of acceptance (as be not less than 220V), if it is, into
Next step；
(3) according to energy-storage battery status information, judge whether battery needs charging, if it is, generation charging control signal,
Send to energy conversion system.If not, generation battery float signal, sends to energy conversion system, terminates.
(4) in (2), if voltage is less than 220V, by thyristor switchable capacitor group to the limited input of low-voltage circuit
Capacitor bank, by minimum capacity, ascending input.If put into after capacitor bank, voltage can be qualified, then terminate.If
Voltage is still unqualified, then control of discharge is carried out to battery, and battery discharge power gradually increases by compensation of 1kW, generation electric discharge control
Signal processed, sends and terminates to energy conversion system.
Referring to Fig. 3, a kind of power-compensation low-voltage platform area control device provided in an embodiment of the present invention is (as foregoing
Monitoring system) one embodiment, including：
Acquiring unit 301, the voltage for getting low-voltage circuit；
First judging unit 302, for judging the voltage of low-voltage circuit whether in preset interval of acceptance, if it is not, then
Reactive compensation unit 303 is triggered, if so, then triggering the 3rd judging unit 304；
Reactive compensation unit 303, for carrying out nothing by controlling thyristor switchable capacitor to put into electric capacity to low-voltage circuit
Work(is compensated, and obtains the voltage after reactive-load compensation, and trigger the second judging unit 307；
3rd judging unit 304, for judging whether energy-storage battery needs charging, if desired, then trigger and fill unit
305, if need not, triggering floating charge unit 306；
Unit 305 is filled, for sending battery charging control signal to energy conversion system so that energy-storage battery passes through energy
The electric energy that amount converting system obtains low-voltage circuit charges；
Floating charge unit 306, for sending battery float control signal to energy conversion system so that energy-storage battery passes through energy
Measure the electric energy progress floating charge that converting system obtains low-voltage circuit；
Second judging unit 307, for judging the voltage after reactive-load compensation whether in preset interval of acceptance, if it is not,
Then trigger active compensating unit；
Active compensating unit 308, for carrying out active compensation to low-voltage circuit by energy-storage battery and energy conversion system
Until the voltage after active compensation is in preset interval of acceptance.
Reactive compensation unit 303 is additionally operable to get the minimum capacity of thyristor switchable capacitor group, by controlling brilliant lock
Pipe switched capacitor group obtains the voltage after reactive-load compensation by reactive-load compensation is carried out to low-voltage circuit input electric capacity from small to large.
Active compensating unit 308 is additionally operable to send battery discharge signal to energy conversion system so that energy-storage battery passes through
Energy conversion system carries out active compensation until the voltage after active compensation is in preset interval of acceptance to low-voltage circuit.
Referring to Fig. 4, an a kind of reality of power-compensation low-voltage platform zone control system provided in an embodiment of the present invention
Example is applied, including：
Energy-storage battery 402, energy conversion system 403, thyristor switchable capacitor group 404 and power as described above are mended
Repay type low-voltage platform area control device 401；
Power-compensation low-voltage platform area control device 401 respectively with energy conversion system 403, thyristor switchable capacitor
Group communication connection 404；
Energy-storage battery 402 and energy conversion system 403 are electrically connected.
A kind of power-compensation low-voltage platform zone control system provided in an embodiment of the present invention also includes：Harvester 405；
Harvester 405 is connected with power-compensation low-voltage platform area control device 401, harvester 405 and low-voltage line
Road is connected；
Harvester 405 is used for the voltage for gathering low-voltage circuit.
In the present embodiment, the structure coordinated using energy-storage battery 402 and thyristor switchable capacitor group 404, utilizes electricity
Container group compensating reactive power, compensates active using energy-storage battery.In the case where reaching identical control targe (i.e. voltage level), subtract
Rare work(configuration capacity, reduces holistic cost.
The present invention devises the low-voltage platform zone control system based on energy storage, it is adaptable to which load peak-valley difference is more than 40%, supplied
The long low-voltage platform area of electric radius, the system is arranged on platform area backbone posterior segment, and electric energy is absorbed in the load valley phase, negative
Electric energy, supporting table area terminal voltage are discharged during the low voltage of lotus peak period.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, such as multiple units or component
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, it can be stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially
The part contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are to cause a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of power-compensation low-voltage platform area control method, it is characterised in that including：
S1：Get the voltage of low-voltage circuit；
S2：After judging the voltage of low-voltage circuit not in preset interval of acceptance, by controlling thyristor switchable capacitor to low
Line ball road input electric capacity carries out reactive-load compensation, obtains the voltage after reactive-load compensation；
S3：After the voltage after judging reactive-load compensation is not in preset interval of acceptance, pass through energy-storage battery and energy conversion system
Active compensation is carried out to low-voltage circuit until the voltage after active compensation is in preset interval of acceptance.
2. power-compensation low-voltage platform area according to claim 1 control method, it is characterised in that step S2 is specifically wrapped
Include：
After judging the voltage of low-voltage circuit not in preset interval of acceptance, the minimum appearance of thyristor switchable capacitor group is got
Amount, by controlling thyristor switchable capacitor group by electric capacity progress reactive-load compensation is put into low-voltage circuit from small to large, obtains nothing
Voltage after work(compensation.
3. power-compensation low-voltage platform area according to claim 1 control method, it is characterised in that step S3 is specifically wrapped
Include：
After the voltage after judging reactive-load compensation is not in preset interval of acceptance, sends battery discharge signal to energy and change system
System so that energy-storage battery carries out active compensation until the voltage after active compensation is pre- by energy conversion system to low-voltage circuit
Put in interval of acceptance.
4. power-compensation low-voltage platform area according to claim 1 control method, it is characterised in that also include：
After judging the voltage of low-voltage circuit in preset interval of acceptance, judge whether energy-storage battery needs charging, if desired, then
Battery charging control signal is sent to energy conversion system so that energy-storage battery obtains low-voltage circuit by energy conversion system
Electric energy charges, if need not, battery float control signal is sent to energy conversion system so that energy-storage battery leads to
Cross the electric energy progress floating charge that energy conversion system obtains low-voltage circuit.
5. a kind of power-compensation low-voltage platform area control device, it is characterised in that including：
Acquiring unit, the voltage for getting low-voltage circuit；
First judging unit, for judging the voltage of low-voltage circuit whether in preset interval of acceptance, if it is not, then triggering idle
Compensating unit；
Reactive compensation unit, for carrying out reactive-load compensation by controlling thyristor switchable capacitor to put into electric capacity to low-voltage circuit,
Obtain the voltage after reactive-load compensation；
Second judging unit, for judging the voltage after reactive-load compensation whether in preset interval of acceptance, if it is not, then triggering has
Work(compensating unit；
Active compensating unit, for carrying out active compensation to low-voltage circuit until active by energy-storage battery and energy conversion system
Voltage after compensation is in preset interval of acceptance.
6. power-compensation low-voltage platform area according to claim 5 control device, it is characterised in that reactive compensation unit
It is additionally operable to get the minimum capacity of thyristor switchable capacitor group, by controlling thyristor switchable capacitor group by from small to large
Reactive-load compensation is carried out to low-voltage circuit input electric capacity, the voltage after reactive-load compensation is obtained.
7. power-compensation low-voltage platform area according to claim 5 control device, it is characterised in that active compensating unit
It is additionally operable to send battery discharge signal to energy conversion system so that energy-storage battery is entered by energy conversion system to low-voltage circuit
The active compensation of row is until the voltage after active compensation is in preset interval of acceptance.
8. power-compensation low-voltage platform area according to claim 5 control device, it is characterised in that also include：3rd
Judging unit, fill unit and floating charge unit；
First judging unit, is additionally operable to judge the voltage of low-voltage circuit whether in preset interval of acceptance, if so, then triggering the 3rd
Judging unit；
3rd judging unit, for judging whether energy-storage battery needs charging, if desired, then trigger and fill unit, if need not,
Then trigger floating charge unit；
Unit is filled, for sending battery charging control signal to energy conversion system so that energy-storage battery is changed by energy
The electric energy that system obtains low-voltage circuit charges；
Floating charge unit, for sending battery float control signal to energy conversion system so that energy-storage battery is changed by energy
The electric energy that system obtains low-voltage circuit carries out floating charge.
9. a kind of power-compensation low-voltage platform zone control system, it is characterised in that including：Energy-storage battery, energy conversion system,
Thyristor switchable capacitor group and the power-compensation low-voltage platform area control device as described in claim 5 to 8 any one；
Power-compensation low-voltage platform area control device respectively with energy conversion system, thyristor switchable capacitor group communication link
Connect；
Energy-storage battery and energy conversion system electrical connection.
10. power-compensation low-voltage platform zone control system according to claim 9, it is characterised in that also include：Collection
Device；
Harvester is connected with power-compensation low-voltage platform area control device, and harvester is connected with low-voltage circuit；
Harvester is used for the voltage for gathering low-voltage circuit.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565868A (en) * | 2018-06-27 | 2018-09-21 | 广东电网有限责任公司清远供电局 | Platform becomes power supply apparatus and system |
| CN109066745A (en) * | 2018-08-09 | 2018-12-21 | 蔚来汽车有限公司 | Electric energy-storage system and its progress control method, device, system |
| CN110138090A (en) * | 2019-06-13 | 2019-08-16 | 许昌许继昌龙电能科技股份有限公司 | Monitoring method and server-side, terminal, the system of power supply |
| CN110620384A (en) * | 2019-10-22 | 2019-12-27 | 国网湖南省电力有限公司 | User low voltage management method based on plug-and-play mobile SVC |
| CN113328450A (en) * | 2020-12-28 | 2021-08-31 | 青岛鼎信通讯股份有限公司 | Start-stop bus compensation method for tail end low voltage treatment device |
| CN117734494A (en) * | 2023-11-24 | 2024-03-22 | 铅锂智行(北京)科技有限公司 | Charging method of charger for lead-acid storage battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009127732A1 (en) * | 2008-04-18 | 2009-10-22 | Abb Research Ltd | Apparatus and method for transmission line control |
| CN102222916A (en) * | 2011-06-29 | 2011-10-19 | 株洲变流技术国家工程研究中心有限公司 | Device and method for boosting network voltage at tail end of electrified railway power supply arm |
| CN103580032A (en) * | 2012-07-20 | 2014-02-12 | 比亚迪股份有限公司 | Power grid compensating system and control method thereof |
-
2017
- 2017-09-05 CN CN201710791719.5A patent/CN107332253A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009127732A1 (en) * | 2008-04-18 | 2009-10-22 | Abb Research Ltd | Apparatus and method for transmission line control |
| CN102222916A (en) * | 2011-06-29 | 2011-10-19 | 株洲变流技术国家工程研究中心有限公司 | Device and method for boosting network voltage at tail end of electrified railway power supply arm |
| CN103580032A (en) * | 2012-07-20 | 2014-02-12 | 比亚迪股份有限公司 | Power grid compensating system and control method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张建军等: ""混合智能无功补偿在低压台区的应用"", 《电力电容器与无功补偿》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565868A (en) * | 2018-06-27 | 2018-09-21 | 广东电网有限责任公司清远供电局 | Platform becomes power supply apparatus and system |
| CN109066745A (en) * | 2018-08-09 | 2018-12-21 | 蔚来汽车有限公司 | Electric energy-storage system and its progress control method, device, system |
| CN109066745B (en) * | 2018-08-09 | 2022-03-15 | 蔚来(安徽)控股有限公司 | Electric energy storage system and operation control method, device and system thereof |
| CN110138090A (en) * | 2019-06-13 | 2019-08-16 | 许昌许继昌龙电能科技股份有限公司 | Monitoring method and server-side, terminal, the system of power supply |
| CN110620384A (en) * | 2019-10-22 | 2019-12-27 | 国网湖南省电力有限公司 | User low voltage management method based on plug-and-play mobile SVC |
| CN113328450A (en) * | 2020-12-28 | 2021-08-31 | 青岛鼎信通讯股份有限公司 | Start-stop bus compensation method for tail end low voltage treatment device |
| CN117734494A (en) * | 2023-11-24 | 2024-03-22 | 铅锂智行(北京)科技有限公司 | Charging method of charger for lead-acid storage battery |
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