CN108493975A - A kind of super capacitor energy-storage type network load balancing device and its control method - Google Patents
A kind of super capacitor energy-storage type network load balancing device and its control method Download PDFInfo
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- CN108493975A CN108493975A CN201810599269.4A CN201810599269A CN108493975A CN 108493975 A CN108493975 A CN 108493975A CN 201810599269 A CN201810599269 A CN 201810599269A CN 108493975 A CN108493975 A CN 108493975A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004146 energy storage Methods 0.000 title claims abstract description 12
- 238000013519 translation Methods 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 2
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002699 waste material Substances 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
Abstract
A kind of super capacitor energy-storage type network load balancing device and its control method, including pre-charge circuit, two-way DC/AC translation circuits, two-way DC/DC translation circuits, load current detection circuit, control system and ultracapacitor, it is characterized in that the pre-charge circuit is connected with two-way DC/AC translation circuits, two-way DC/AC translation circuits are connected with two-way DC/DC translation circuits, the ultracapacitor is connected with two-way DC/DC translation circuits, the load current detection circuit, two-way DC/AC translation circuits, two-way DC/DC translation circuits are connected to the control system；Usefulness of the present invention is：The bearing power situation of change of detection power grid in real time, energy in control ultracapacitor is discharged into power grid or by the energy storage of power grid in ultracapacitor, fast response time, high degree of automation, impact of the load sudden change to power grid is reduced, ensures the entire stabilization of power grids and safety.
Description
Technical field
The present invention relates to electrical equipment technical field more particularly to a kind of super capacitor energy-storage type network load balance dresses
It sets.
Background technology
The micro-capacitance sensor or low capacity power grid that some multiple generator units are constituted, such as drilling platforms, it is electric when occurring
Uprushing or when anticlimax, causing the parameters such as voltage, the frequency of power grid that larger fluctuation occurs for net load, reduces power grid power supply matter
Amount, or even trip phenomenon is caused, seriously affect Electrical Safety.Some construction sites are in order to cope with the impact of large capacity load, no
The capacity for not increasing power grid or generator unit is obtained, but this can cause the waste of net capacity, utilization rate is relatively low, increases life
Produce cost.Network load regulating device the degree of automation in the prior art is low, and response speed is slow, when occur sudden load change amount and
When net capacity sizableness, it can not ensure the stabilization and safety of power supply quality.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of super capacitor energy-storage type network load balancing device and its controls
Method processed, provide a kind of fast response time, high degree of automation network load balancing device.To achieve the above object, this hair
The bright technical solution taken is：A kind of super capacitor energy-storage type network load balancing device and its control method, including precharge
Circuit, two-way DC/AC translation circuits, two-way DC/DC translation circuits, load current detection circuit, control system and super capacitor
Device, the pre-charge circuit are connected with two-way DC/AC translation circuits, and two-way DC/AC translation circuits are converted with two-way DC/DC
Circuit is connected, and the ultracapacitor is connected with two-way DC/DC translation circuits, the load current detection circuit,
Two-way DC/AC translation circuits, two-way DC/DC translation circuits are connected to the control system.
Further, load current detection circuit includes current transformer and modulate circuit.
Further, pre-charge circuit includes precharge switch, pre-charge resistance and shorting switch, and the preliminary filling is established by cable
Pass be connected with pre-charge resistance by concatenated mode, precharge switch, pre-charge resistance parallel connection by way of and short circuit
Switch is connected.
Further, two-way DC/AC translation circuits include power conversion device IGBT and reactor, the power conversion
Device IGBT and reactor form three-phase inverter bridge circuit.
Further, two-way DC/DC translation circuits include power conversion device IGBT, reactor and bus capacitor, described
Power conversion device IGBT and reactor form bridge circuit.
Further, control system includes main control module and unit control module, and the main control module includes AD simulations
Amount conditioning link, master control DSP and master control FPGA, the unit control module include cell controller CPLD and driving circuit,
The AD analog quantitys conditioning link is connected with master control DSP, and master control DSP is connected with master control FPGA, unit control
Device CPLD and master control FPGA, the driving circuit are connected with cell controller CPLD.
Compared with prior art, the invention has the advantages that：The bearing power situation of change of detection power grid in real time,
When detect network load power suddenly increase either anticlimax when control ultracapacitor in energy be discharged into power grid or
By the energy storage of power grid in ultracapacitor, the load current of fast response time, high degree of automation, power grid is slow always
Slowly change, greatly reduce impact of the load sudden change to power grid, ensure the entire stabilization of power grids and safety.
Description of the drawings
The present invention is described in further detail below in conjunction with attached drawing.
Attached drawing 1 is the structural schematic diagram of the present invention；
Attached drawing 2 is the structural schematic diagram of control system；
Attached drawing 3 is the structural schematic diagram of control method of the present invention；
In attached drawing：1, pre-charge circuit, 2, two-way DC/AC translation circuits, 3, two-way DC/DC translation circuits, 4, load current inspection
Slowdown monitoring circuit, 5, control system, 51, main control module, 511, AD analog quantitys improve link, 512, master control DSP, 513, master control FPGA,
52, unit control module, 521, cell controller CPLD, 522, driving circuit, 6, ultracapacitor.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings 1,2 and of attached drawing
The present invention is further illustrated for attached drawing 3 and specific embodiment.
As shown in Fig. 1, a kind of super capacitor energy-storage type network load balancing device and its control method, including precharge
Circuit 1, two-way DC/AC translation circuits 2, two-way DC/DC translation circuits 3, load current detection circuit 4, control system 5 and super
Capacitor 6, the pre-charge circuit 1 are connected with two-way DC/AC translation circuits 2, two-way DC/AC translation circuits 2 with it is two-way
DC/DC translation circuits 3 are connected, and the ultracapacitor 6 is connected with two-way DC/DC translation circuits 3, load electricity
Current detection circuit 4, two-way DC/AC translation circuits 2, two-way DC/DC translation circuits 3 are connected with control system 5.
Further, load current detection circuit 4 includes current transformer and modulate circuit.
Further, pre-charge circuit 1 includes precharge switch KM2, pre-charge resistance R and shorting switch KM1, described
Precharge switch KM2 is connected by concatenated mode with pre-charge resistance R, and precharge switch KM2, pre-charge resistance R pass through
Mode in parallel is connected with shorting switch KM1.
Further, two-way DC/AC translation circuits 2 include power conversion device IGBT, reactor and bus capacitor C2, institute
Power conversion device IGBT and reactor the composition three-phase inverter bridge circuit stated, it is female that bus capacitor C2 plays support internal direct current
The effect of line voltage.
Further, two-way DC/DC translation circuits 3 include power conversion device IGBT and reactor, and the power becomes
Parallel operation part IGBT and reactor form bridge circuit.
Further, as shown in Fig. 2, control system 5 includes main control module 51 and unit control module 52, the master
It includes AD analog quantitys conditioning link 511, master control DSP512 and master control FPGA513, the unit control module 52 to control module 51
Including cell controller CPLD521 and driving circuit 522, AD analog quantitys conditioning link 511 is connected with master control DSP512
It connects, master control DSP512 is connected with master control FPGA513, the cell controller CPLD521 and master control FPGA513, described
Driving circuit 522 is connected with cell controller CPLD521.AD analog quantitys improve link 511 and mainly complete peripheral signal as born
The conditioning of the analog signals such as electric current, device builtin voltage is carried, master control DSP512 mainly completes core control algolithm：Judge load work
Condition, obtains power back-off direction and the instruction size of device, startup-shutdown control, and the control that master control FPGA513 receives master control DSP refers to
It enables, sends the data to cell controller CPLD521, cell controller CPLD521 receives the control from master control FPGA513 and refers to
Enable, and decode, obtain drive pulse signal, the drive pulse signal that driving circuit 522 sends out cell controller CPLD521 every
From amplification, final drive signal is obtained, goes the conducting and shutdown of control major loop IGBT.
The operation principle and control method of the present invention is as follows, operation principle：Bus capacitor C2 is pre-charged first, precharge
Switch KM2 closes a floodgate, and is charged to bus capacitor C2 by pre-charge resistance R, after judging that pre-charge voltage reaches certain value, is closed short
Meet switch KM1；After device booting, two-way DC/AC translation circuits 2 work in PWM rectification standby modes, always by bus capacitor C2
Voltage stabilization is in shutdown status in a certain desired value, two-way DC/DC translation circuits 3；Load current detection circuit 4 detects in real time
Load current, by current signal transfer to control system 5, control system 5 detects the catastrophe of bearing power in real time, if detection
It uprushes to bearing power, then two-way DC/DC translation circuits 3, are transferred to BOOST operating modes by shutdown status immediately, that is, boost mould
Formula, two-way DC/AC translation circuits 2 are transferred to inverter mode by PWM rectification modes, with certain rule by the energy of ultracapacitor 6
Release is to power grid, and the feedback power of inversion moment is equal to the Sudden Changing Rate of the bearing power detected, and inverter power line is according to one
Periodically long linear decrease, compensation power terminate this compensation of uprushing after reducing to zero；It is two-way if detecting bearing power anticlimax
DC/AC translation circuits 2 keep PWM rectification operating modes constant, and two-way DC/DC translation circuits 3 are transferred to BUCK patterns, that is, are depressured mould
Energy is filled with ultracapacitor 6 by formula with certain rule, and the power of charging transient is equal to bearing power anticlimax amount, with super
The increase of 6 electricity of capacitor, is gradually reduced charge power, is finally completed an anticlimax compensation.When device works in PWM rectifications
When standby mode, i.e., bearing power is in without uprushing under the also operating mode without anticlimax, and device detects the voltage feelings on ultracapacitor 6
Condition gives 6 charge or discharge of ultracapacitor in time, ensures that the voltage on ultracapacitor 6 is in reasonable level, to bear next time
The compensation for carrying excursion or anticlimax is ready.
Control method：As shown in Fig. 3, include the following steps：
（i）Control system 5 detects bearing power Sudden Changing Rate DeltP and judges numerical values recited in real time；
If 1. the positive limit values of DeltP ＞, two-way DC/DC translation circuits 3 enter boost mode, and two-way DC/AC translation circuits 2 enter inverse
Then change pattern is successively decreased with default rule and terminates this compensation of uprushing；
2. if DeltP ＜ bear limit value, two-way DC/DC translation circuits 3 enter decompression mode, and two-way DC/AC translation circuits 2 enter whole
Then stream mode is successively decreased with default rule and terminates this compensation of uprushing；
3. the positive limit values of negative limit value ＜ DeltP ＜, the energy of controlled stage capacitor 6 are in reasonable level；
（ii）Control system 5 continues to detect bearing power Sudden Changing Rate DeltP in real time and judges numerical values recited, repeats step（i）'s
Compensate stability maintenance process.
Compared with prior art, the invention has the advantages that：The bearing power situation of change of detection power grid in real time,
When detect network load power suddenly increase either anticlimax when control ultracapacitor in energy be discharged into power grid or
By the energy storage of power grid in ultracapacitor, the load current of fast response time, high degree of automation, power grid is slow always
Slowly change, greatly reduce impact of the load sudden change to power grid, ensure the entire stabilization of power grids and safety.
Using technical solutions according to the invention or those skilled in the art under the inspiration of technical solution of the present invention,
Similar technical solution is designed, and reaches above-mentioned technique effect, is to fall into protection scope of the present invention.
Claims (7)
1. a kind of super capacitor energy-storage type network load balancing device, including pre-charge circuit（1）, two-way DC/AC translation circuits
（2）, two-way DC/DC translation circuits（3）, load current detection circuit（4）, control system（5）And ultracapacitor（6）, special
Sign is the pre-charge circuit（1）With two-way DC/AC translation circuits（2）It is connected, two-way DC/AC translation circuits（2）With it is double
To DC/DC translation circuits（3）It is connected, the ultracapacitor（6）With two-way DC/DC translation circuits（3）It is connected, it is described
Load current detection circuit（4）, two-way DC/AC translation circuits（2）, two-way DC/DC translation circuits（3）With control system（5）
It is connected.
2. network load balancing device according to claim 1, it is characterized in that load current detection circuit（4）Including electric current
Mutual inductor and modulate circuit.
3. network load balancing device according to claim 1, it is characterized in that pre-charge circuit（1）Including precharge switch
KM2, pre-charge resistance R and shorting switch KM1, the precharge switch KM2 pass through concatenated mode and pre-charge resistance R phases
Connection, precharge switch KM2, pre-charge resistance R are connected by way of in parallel with shorting switch KM1.
4. network load balancing device according to claim 1, it is characterized in that two-way DC/AC translation circuits（2）Including work(
Rate transformation device IGBT, reactor and bus capacitor C2, the power conversion device IGBT and reactor form three-phase bridge
Inverter circuit.
5. network load balancing device according to claim 1, it is characterized in that two-way DC/DC translation circuits（3）Including work(
Rate transformation device IGBT and reactor, the power conversion device IGBT and reactor form bridge circuit.
6. network load balancing device according to claim 1, it is characterized in that control system（5）Including main control module（51）
With unit control module（52）, the main control module（51）Link is improved including AD analog quantitys（511）, master control DSP（512）With
Master control FPGA（513）, the unit control module（52）Including cell controller CPLD（521）And driving circuit（522）, institute
The AD analog quantitys conditioning link stated（511）With master control DSP（512）It is connected, master control DSP（512）With master control FPGA（513）It is connected
It connects, the cell controller CPLD（521）With master control FPGA（513）, the driving circuit（522）With cell controller
CPLD（521）It is connected.
7. a kind of control method of such as claim 1~6 any one of them super capacitor energy-storage type network load balancing device,
Include the following steps：
（i）Control system（5）Bearing power Sudden Changing Rate DeltP is detected in real time and judges numerical values recited；
If 1. the positive limit values of DeltP ＞, two-way DC/DC translation circuits（3）Into boost mode, two-way DC/AC translation circuits（2）Into
Enter inverter mode, is then successively decreased with default rule and terminate this compensation of uprushing；
2. if DeltP ＜ bear limit value, two-way DC/DC translation circuits（3）Into decompression mode, two-way DC/AC translation circuits（2）Into
Enter rectification mode, is then successively decreased with default rule and terminate this compensation of uprushing；
3. the positive limit values of negative limit value ＜ DeltP ＜, controlled stage capacitor（6）Energy be in reasonable level；
（ii）Control system（5）Continue detection bearing power Sudden Changing Rate DeltP in real time and judge numerical values recited, repeats step（i）
Compensation stability maintenance process.
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| CN201810599269.4A CN108493975A (en) | 2018-06-12 | 2018-06-12 | A kind of super capacitor energy-storage type network load balancing device and its control method |
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| CN201810599269.4A CN108493975A (en) | 2018-06-12 | 2018-06-12 | A kind of super capacitor energy-storage type network load balancing device and its control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323761A (en) * | 2019-06-26 | 2019-10-11 | 海南电网有限责任公司 | A method of the large sized unit of reply load transition impacts power grid |
| CN112564144A (en) * | 2019-09-26 | 2021-03-26 | 株洲中车时代电气股份有限公司 | Super-capacitor energy storage auxiliary power supply system, power supply system and power supply method |
| CN114123780A (en) * | 2021-12-10 | 2022-03-01 | 新风光电子科技股份有限公司 | Compensation device for DC voltage sag treatment and compensation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807799A (en) * | 2010-04-27 | 2010-08-18 | 天津大学 | Super capacitor energy storage type power quality compensator |
| CN201639546U (en) * | 2009-12-29 | 2010-11-17 | 北京动力京工科技有限公司 | Alternating-current motor energy saving device |
| CN105305474A (en) * | 2015-12-01 | 2016-02-03 | 河北凯翔电气科技股份有限公司 | Power network load rapid balance adjusting system and control method thereof |
| CN105514939A (en) * | 2016-01-18 | 2016-04-20 | 中国石油大学(北京) | Charging and discharging control device and control method for energy storage super-capacitor of electric workover rig |
| CN205248805U (en) * | 2015-10-15 | 2016-05-18 | 扬州汇洁能电力电子设备有限公司 | Novel DVR voltage compensation device |
| CN206658105U (en) * | 2017-04-24 | 2017-11-21 | 南京国电南自电网自动化有限公司 | Hybrid energy-storing formula photo-voltaic power supply for the exchange micro-capacitance sensor voltage control of off-network type |
-
2018
- 2018-06-12 CN CN201810599269.4A patent/CN108493975A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201639546U (en) * | 2009-12-29 | 2010-11-17 | 北京动力京工科技有限公司 | Alternating-current motor energy saving device |
| CN101807799A (en) * | 2010-04-27 | 2010-08-18 | 天津大学 | Super capacitor energy storage type power quality compensator |
| CN205248805U (en) * | 2015-10-15 | 2016-05-18 | 扬州汇洁能电力电子设备有限公司 | Novel DVR voltage compensation device |
| CN105305474A (en) * | 2015-12-01 | 2016-02-03 | 河北凯翔电气科技股份有限公司 | Power network load rapid balance adjusting system and control method thereof |
| CN105514939A (en) * | 2016-01-18 | 2016-04-20 | 中国石油大学(北京) | Charging and discharging control device and control method for energy storage super-capacitor of electric workover rig |
| CN206658105U (en) * | 2017-04-24 | 2017-11-21 | 南京国电南自电网自动化有限公司 | Hybrid energy-storing formula photo-voltaic power supply for the exchange micro-capacitance sensor voltage control of off-network type |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323761A (en) * | 2019-06-26 | 2019-10-11 | 海南电网有限责任公司 | A method of the large sized unit of reply load transition impacts power grid |
| CN110323761B (en) * | 2019-06-26 | 2023-08-18 | 海南电网有限责任公司 | Method for coping with impact of load jump high-capacity unit on power grid |
| CN112564144A (en) * | 2019-09-26 | 2021-03-26 | 株洲中车时代电气股份有限公司 | Super-capacitor energy storage auxiliary power supply system, power supply system and power supply method |
| CN114123780A (en) * | 2021-12-10 | 2022-03-01 | 新风光电子科技股份有限公司 | Compensation device for DC voltage sag treatment and compensation method thereof |
| CN114123780B (en) * | 2021-12-10 | 2024-01-05 | 新风光电子科技股份有限公司 | Compensation device and compensation method for direct-current voltage sag management |
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Inventor after: Hu Shunquan Inventor after: Shi Airu Inventor after: Ding Ning Inventor after: Wu Jianhua Inventor after: Ji Maisheng Inventor after: Shao Jinghong Inventor after: Kang Liping Inventor after: Dong Huihua Inventor after: Xie Xiyang Inventor after: Feng Yubao Inventor before: Ding Ning Inventor before: Shi Airu Inventor before: Wu Jianhua Inventor before: Ji Maisheng Inventor before: Zheng Yunling Inventor before: Shao Jinghong Inventor before: Kang Liping Inventor before: Dong Huihua Inventor before: Xie Xiyang Inventor before: Feng Yubao |
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