CN109309395A - Region charging station control device containing generation of electricity by new energy - Google Patents
Region charging station control device containing generation of electricity by new energy Download PDFInfo
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- CN109309395A CN109309395A CN201710627705.XA CN201710627705A CN109309395A CN 109309395 A CN109309395 A CN 109309395A CN 201710627705 A CN201710627705 A CN 201710627705A CN 109309395 A CN109309395 A CN 109309395A
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- 230000005611 electricity Effects 0.000 title claims abstract description 45
- 230000002411 adverse Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- H02J7/0027—
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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
- H02J3/01—Arrangements for reducing harmonics or ripples
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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
- Y02E40/40—Arrangements for reducing harmonics
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of region charging station control device containing generation of electricity by new energy, it is structurally characterized in that: for being acquired by the voltage and current signal to region transformer outlet side when including using, calculate and accordingly issue the parameter acquisition processing unit of signal, it receives the detection signal that parameter acquisition unit is sent and mutually copes with the harmonic compensation unit that regional power grid implements current compensation, charging station adverse current control unit whether accordingly controlling generation of electricity by new energy device to regional power grid power transmission according to the control signal that parameter acquisition unit is sent, control unit is controlled according to the charge power that the control signal that parameter acquisition unit is sent accordingly controls charging station charge power size.The present invention, which can effectively solve region transformer overload under the region charging station containing generation of electricity by new energy falls power transmission and extreme case to regional power grid adverse current to regional power grid harmonic pollution, generation of electricity by new energy device when in use tripping is caused to have a power failure, leads to the problem of threat to block supply.
Description
Technical field
The present invention relates to battery charge controller fields, and in particular to a kind of for the region charging station containing generation of electricity by new energy
The control device controlled.
Background technique
Currently, the application of electric car is widelyd popularize by all circles' great attention, especially government department.But due to electricity
The construction of electrical automobile electrically-charging equipment lags the reasons such as the inconvenient and current electric car course continuation mileage of charging, at present China's electric car
It is mainly used in Electric Transit automobile or group's vehicle, correspondingly its charging station is built in public transport company station or group internal,
A fairly large number of charging pile is equipped in charging station, such charge inside station can be referred to as region charging station, usually be equipped with setting
Such as solar energy generation of electricity by new energy device in region transformer rear end generates electricity by way of merging two or more grid systems, to save electric energy.Such new energy of band
The charging station that source generates electricity by way of merging two or more grid systems, there are the problem of have three: first, since generation of electricity by new energy device and a large amount of charging piles work
When on regional power grid bring harmonic pollution influence power quality issues；Second, when charging station load is smaller or idle cannot have
When the electric energy that effect consumption new energy equipment issues, new energy equipment is to the regional power grid problem of falling power transmission；Third, internal
Other loads of charging station and the same area transformer rear end collectively form the power load of the region transformer, extreme case
Under, when other loads are larger, and charging station electrically-charging equipment is a large amount of in use, the region transformer overload may be made to cause to jump simultaneously
Lock has a power failure, and generates threat to block supply.
Summary of the invention
The object of the present invention is to provide a kind of region charging station control device containing generation of electricity by new energy, it is intended to solve containing new
Generation of electricity by new energy when using low ebb to regional power grid bring harmonic pollution, charging station when the region charging station operation of energy power generation
Region transformer overload causes tripping to have a power failure to block supply generation prestige under falling power transmission and extreme case to regional power grid adverse current
The problem of side of body.
The technical scheme is that the region charging station control device of the invention containing generation of electricity by new energy, structure is special
Point is: including parameter acquisition processing unit, harmonic compensation unit, adverse current control unit and charge power control unit；
The parameter acquisition processing unit includes voltage transformer, current transformer, filter and amplification module and MCU；Filtering is put
The big signal input part of module is electrically connected with the signal output end of voltage transformer and current transformer；The signal input part of MCU
It is electrically connected with the signal output end of filter and amplification module；MCU is equipped with first to third signal output end；
Harmonic compensation unit includes control module, inverted power module and grid-connected inductance；The signal input part and ginseng of control module
The first signal output end electrical connection of the MCU of number acquisition process unit；The signal input part and control module of inverted power module
Signal output end electrical connection；One end of grid-connected inductance is electrically connected with the output end of inverted power module；
Adverse current control unit includes CPU, relay module and generation of electricity by new energy output control switch K1；The signal input part of CPU
It is electrically connected with the second signal output end of the MCU of parameter acquisition processing unit；The control signal input and CPU of relay module
Control signal output electrical connection；Relay module is used to control the on-off of generation of electricity by new energy output control switch K1；
Charge power control unit includes that CPU module, relay group and charging pile output control switch group are constituted, and charging pile is defeated
Control switch group includes the total n charging pile output control switch of J1~Jn out, and relay group includes that quantity and charging pile output are controlled
The identical relay of number of switches processed；The signal input part of CPU module and the third signal of the MCU of parameter acquisition processing unit are defeated
Outlet electrical connection；The control signal input of each relay of relay group control signal output electricity corresponding with CPU module
Connection；Each relay of relay group is used to control the on-off of corresponding charging pile output control switch；
In use, the voltage transformer and current transformer in parameter acquisition processing unit are set to the outlet side of region transformer；
The other end of the grid-connected inductance of harmonic compensation unit is electrically connected with the power transmission line of region transformer outlet side rear end；Adverse current controls single
The output end of generation of electricity by new energy device is arranged in the generation of electricity by new energy output control switch K1 of member；Charge power control unit is filled
Charging pile output control switch J1~Jn in electric stake output control switch group is each in the output end of each charging pile of charging station
Setting 1.
The present invention has the effect of positive: (1) the region charging station control device of the invention containing generation of electricity by new energy,
In use, can effectively solve the problem that containing generation of electricity by new energy region charging station operation when to regional power grid bring harmonic pollution, fill
Region transformer overload causes under power transmission and extreme case are fallen to regional power grid adverse current using generation of electricity by new energy when low ebb in power station
Tripping, which has a power failure, leads to the problem of threat to block supply.(2) the region charging station control device of the invention containing generation of electricity by new energy,
Its structure is relatively easy, advantage of lower cost, when being applied to the existing region charging station containing generation of electricity by new energy, without excessive
Transformation, installing is convenient, easy to spread.
Detailed description of the invention
Fig. 1 is the electrical block diagram of control device of the invention, also show in figure its with include region transformer,
The electrical connection of the regional power grid of the region charging station of other loads of region and the device containing generation of electricity by new energy；
Fig. 2 is the electrical block diagram of parameter acquisition processing unit in Fig. 1；
Fig. 3 is the electrical block diagram of harmonic compensation unit in Fig. 1；
Fig. 4 is the electrical block diagram of adverse current control unit in Fig. 1；
Fig. 5 is the electrical block diagram of charge power control unit in Fig. 1.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
(embodiment 1)
See that Fig. 1 to Fig. 5, the region charging station control device containing generation of electricity by new energy of the present embodiment are applied to include that region becomes
Depressor, be arranged in region transformer rear end the device containing generation of electricity by new energy region charging station and region other load constitute
Regional power grid.
The region charging station control device containing generation of electricity by new energy of the present embodiment, mainly by parameter acquisition processing unit,
Harmonic compensation unit, adverse current control unit and charge power control unit composition.
Referring to fig. 2, parameter acquisition processing unit is mainly by voltage transformer, current transformer, filter and amplification module and MCU
Composition.The signal input part of filter and amplification module is electrically connected with the signal output end of voltage transformer and current transformer；MCU's
Signal input part is electrically connected with the signal output end of filter and amplification module；MCU is equipped with first to third signal output end.
Referring to Fig. 3, harmonic compensation unit is mainly made of control module, inverted power module and grid-connected inductance.Control
The signal input part of module is electrically connected with the first signal output end of the MCU of parameter acquisition processing unit；Inverted power module
Signal input part is electrically connected with the signal output end of control module；One end (input terminal) of grid-connected inductance and inverted power module
Output end electrical connection.
Referring to fig. 4, adverse current control unit is mainly by CPU, relay module and generation of electricity by new energy output control switch K1
Composition.The signal input part of CPU is electrically connected with the second signal output end of the MCU of parameter acquisition processing unit；Relay module
Control signal input be electrically connected with the control signal output of CPU；Relay module is for controlling generation of electricity by new energy output
The on-off of control switch K1.
Referring to Fig. 5, charge power control unit is mainly by CPU module, relay group and charging pile output control switch
Group is constituted, and charging pile output control switch group includes the total n switch of J1~Jn, and relay group includes that quantity and charging pile output are controlled
The identical relay of number of switches processed；The signal input part of CPU module and the third signal of the MCU of parameter acquisition processing unit are defeated
Outlet electrical connection；The control signal input of each relay of relay group control signal output electricity corresponding with CPU module
Connection；Each control switch corresponds to a relay in relay group in charging pile output control switch group, relay group
Each relay is used to control the on-off of corresponding charging pile output control switch.
In use, the voltage transformer and current transformer in parameter acquisition processing unit are set to the output of region transformer
Side, for the voltage and current signals of detection zone transformer outlet side, the voltage and current signal of acquisition is through filter and amplification module
MCU processing is sent to after processing, MCU handle and pass through its first signal output end to harmonic compensation list to the signal of acquisition
Member sends voltage, current detection signal；MCU sends anti-reverse flow control letter to adverse current control unit by its second signal output end
Number；MCU sends charge power to charge power control unit by its second signal output end and controls signal.
In use, the other end (output end) of the grid-connected inductance of harmonic compensation unit and region transformer outlet side rear end
Power transmission line electrical connection；The control module of harmonic compensation unit receives voltage, the electric current inspection that the MCU of parameter acquisition processing unit is sent
Signal is surveyed, using the method for the prior art, calculates and the current signal compensated is needed to be sent to inverted power module, inverter power mould
Block generates corresponding current signal and is exported by grid-connected inductance to the power transmission line after the transformer of region, realizes that regional power grid harmonic wave is mended
It repays.
In use, the defeated of generation of electricity by new energy device is arranged in the generation of electricity by new energy output control switch K1 of adverse current control unit
Between outlet and each charging pile of charging station；The MCU that the CPU of adverse current control unit receives parameter acquisition processing unit is sent anti-
When inverse flow control signals, the CPU of adverse current control unit closes generation of electricity by new energy output control switch K1 by relay module
It is disconnected, to cut off generation of electricity by new energy device to charging station namely regional power grid power transmission, thus realize anti-generation of electricity by new energy device to
Regional power grid falls the purpose of power transmission；When the anti-reverse flow control signals that the MCU of parameter acquisition processing unit is sent stop, adverse current is controlled
Generation of electricity by new energy output control switch K1 is connected by relay module in the CPU of unit processed, restores generation of electricity by new energy device
To charging station power transmission.
In use, control switch J1~Jn is in charging station in the charging pile output control switch group of charge power control unit
The output end of each charging pile be respectively arranged 1, for controlling the output of charging pile；The CPU module of charge power control unit
According to the power control signal that the MCU of the parameter acquisition processing unit received is sent, the CPU module of charge power control unit
Accordingly make 1 to n disconnection in control switch J1~Jn by relay group, also closes charging pile corresponding in charging station
It closes, by the adjusting of charging station charge power, realization avoids region transformer overload purpose.When parameter acquisition processing unit
When the power control signal that MCU is sent stops, the CPU module of charge power control unit makes control switch by relay group
J1~Jn restores conducting.
Above embodiments are the explanations to a specific embodiment of the invention, rather than limitation of the present invention, related technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various transformation and variation and obtain
To corresponding equivalent technical solution, therefore all equivalent technical solutions should be included into patent protection model of the invention
It encloses.
Claims (1)
1. a kind of region charging station control device containing generation of electricity by new energy, it is characterised in that: including parameter acquisition processing unit, humorous
Wave compensating unit, adverse current control unit and charge power control unit；
The parameter acquisition processing unit includes voltage transformer, current transformer, filter and amplification module and MCU；Filtering is put
The big signal input part of module is electrically connected with the signal output end of voltage transformer and current transformer；The signal input part of MCU
It is electrically connected with the signal output end of filter and amplification module；MCU is equipped with first to third signal output end；
Harmonic compensation unit includes control module, inverted power module and grid-connected inductance；The signal input part and ginseng of control module
The first signal output end electrical connection of the MCU of number acquisition process unit；The signal input part and control module of inverted power module
Signal output end electrical connection；One end of grid-connected inductance is electrically connected with the output end of inverted power module；
Adverse current control unit includes CPU, relay module and generation of electricity by new energy output control switch K1；The signal input part of CPU
It is electrically connected with the second signal output end of the MCU of parameter acquisition processing unit；The control signal input and CPU of relay module
Control signal output electrical connection；Relay module is used to control the on-off of generation of electricity by new energy output control switch K1；
Charge power control unit includes that CPU module, relay group and charging pile output control switch group are constituted, and charging pile is defeated
Control switch group includes the total n charging pile output control switch of J1~Jn out, and relay group includes that quantity and charging pile output are controlled
The identical relay of number of switches processed；The signal input part of CPU module and the third signal of the MCU of parameter acquisition processing unit are defeated
Outlet electrical connection；The control signal input of each relay of relay group control signal output electricity corresponding with CPU module
Connection；Each relay of relay group is used to control the on-off of corresponding charging pile output control switch；
In use, the voltage transformer and current transformer in parameter acquisition processing unit are set to the outlet side of region transformer；
The other end of the grid-connected inductance of harmonic compensation unit is electrically connected with the power transmission line of region transformer outlet side rear end；Adverse current controls single
The output end of generation of electricity by new energy device is arranged in the generation of electricity by new energy output control switch K1 of member；Charge power control unit is filled
Charging pile output control switch J1~Jn in electric stake output control switch group is each in the output end of each charging pile of charging station
Setting 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627705.XA CN109309395A (en) | 2017-07-28 | 2017-07-28 | Region charging station control device containing generation of electricity by new energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627705.XA CN109309395A (en) | 2017-07-28 | 2017-07-28 | Region charging station control device containing generation of electricity by new energy |
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| Publication Number | Publication Date |
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| CN109309395A true CN109309395A (en) | 2019-02-05 |
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| CN201710627705.XA Pending CN109309395A (en) | 2017-07-28 | 2017-07-28 | Region charging station control device containing generation of electricity by new energy |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100944528B1 (en) * | 2009-12-02 | 2010-03-05 | (주)인텍에프에이 | Power converter apparatus for charging battery of electric vehicle and method for controlling the same |
| CN102290841A (en) * | 2011-08-13 | 2011-12-21 | 罗俊亚 | Peak clipping and valley filling electric vehicle swapping station for distribution network |
| CN102570455A (en) * | 2012-01-12 | 2012-07-11 | 天津市电力公司 | Intelligent microgrid power-supply system |
| CN106100033A (en) * | 2016-07-01 | 2016-11-09 | 李红彪 | A kind of charging pile system detecting and filtering harmonic wave |
| CN206023247U (en) * | 2016-09-19 | 2017-03-15 | 国网重庆市电力公司电力科学研究院 | A kind of cutting-in control protection system |
| CN206211553U (en) * | 2016-11-17 | 2017-05-31 | 湖南科比特新能源科技股份有限公司 | A kind of Anti-reflux controller for photovoltaic generating system |
| CN207117236U (en) * | 2017-07-28 | 2018-03-16 | 国网江苏省电力公司常州供电公司 | A kind of region charging station control device containing generation of electricity by new energy |
-
2017
- 2017-07-28 CN CN201710627705.XA patent/CN109309395A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100944528B1 (en) * | 2009-12-02 | 2010-03-05 | (주)인텍에프에이 | Power converter apparatus for charging battery of electric vehicle and method for controlling the same |
| CN102290841A (en) * | 2011-08-13 | 2011-12-21 | 罗俊亚 | Peak clipping and valley filling electric vehicle swapping station for distribution network |
| CN102570455A (en) * | 2012-01-12 | 2012-07-11 | 天津市电力公司 | Intelligent microgrid power-supply system |
| CN106100033A (en) * | 2016-07-01 | 2016-11-09 | 李红彪 | A kind of charging pile system detecting and filtering harmonic wave |
| CN206023247U (en) * | 2016-09-19 | 2017-03-15 | 国网重庆市电力公司电力科学研究院 | A kind of cutting-in control protection system |
| CN206211553U (en) * | 2016-11-17 | 2017-05-31 | 湖南科比特新能源科技股份有限公司 | A kind of Anti-reflux controller for photovoltaic generating system |
| CN207117236U (en) * | 2017-07-28 | 2018-03-16 | 国网江苏省电力公司常州供电公司 | A kind of region charging station control device containing generation of electricity by new energy |
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