CN208174287U - A kind of three-phase balance electricity-saving appliance of PID closed-loop control - Google Patents
A kind of three-phase balance electricity-saving appliance of PID closed-loop control Download PDFInfo
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- CN208174287U CN208174287U CN201820419483.2U CN201820419483U CN208174287U CN 208174287 U CN208174287 U CN 208174287U CN 201820419483 U CN201820419483 U CN 201820419483U CN 208174287 U CN208174287 U CN 208174287U
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- saving appliance
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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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The utility model belongs to electricity-saving appliance technical field, more particularly to a kind of three-phase balance electricity-saving appliance of PID closed-loop control, the single-phase voltage gives the input terminal and single-phase voltage feed-forward module that module output is connected to first voltage comparator, another input terminal of the first voltage comparator is connected to single-phase voltage feedback module, the utility model solves the prior art and exists since system has integral saturation, so as to cause the big problem of overshoot, with the overshoot for reducing system, system rapidity is good, it is suitble to high-power output occasion, reduce the advantageous effects of system cost.
Description
Technical field
The utility model belongs to electricity-saving appliance technical field more particularly to a kind of three-phase balance electricity-saving appliance of PID closed-loop control.
Background technique
Electricity-saving appliance is generally divided into illuminator class electricity-saving appliance and each power category electricity-saving appliance.Using hv filtering and energy absorption
Technology, the energy of automatic absorption high voltage power equipment reverse potential, and constantly load M1 is returned in feedback, saves electrical equipment
On the other hand this part electric energy drawn from high-voltage fence utilizes international advanced high-voltage electricity parameter optimization technique, sine wave
Tracking technique and nanotechnology and component inhibit and reduce dash current, transition and the generation of higher hamonic wave in power supply line,
Power conditioner, the power supply quality for improving high-voltage fence, are greatly reduced the copper loss and iron loss of line loss and power-equipment, improve high
Press electrical equipment service life and mechanical efficiency, not only saved electric energy in use but can be greatly reduced equipment operation at
This, the prior art exists since system has integral saturation, so as to cause the big problem of overshoot.
Utility model content
The utility model provides a kind of three-phase balance electricity-saving appliance of PID closed-loop control, to solve to mention in above-mentioned background technique
Technology is had to exist since system has integral saturation, so as to cause the big problem of overshoot.
The technical issues of the utility model is solved is realized using following technical scheme：The three of a kind of PID closed-loop control
Balance each other electricity-saving appliance, including single-phase voltage gives module and monophase current gives module, and the single-phase voltage gives module output
It is connected to the input terminal and single-phase voltage feed-forward module of first voltage comparator, another input of the first voltage comparator
End is connected to single-phase voltage feedback module, and the output end output of the first voltage comparator is connected to pi regulator, the PI
Adjuster exports the input terminal for being connected to second voltage comparator, and the single-phase voltage feed-forward module output is connected to the second electricity
Another input terminal of comparator is pressed, the second voltage comparator is connected to the one of PWM comparator through the output of SIN ω t multiplier
A input terminal, monophase current give the input terminal and single-phase voltage feedforward mould that module output is connected to the first current comparator
Block, another input terminal of first current comparator are connected to monophase current feedback module, first current comparator
Output end output is connected to proportional controller, and the proportional controller output is connected to an input terminal of the first multiplier, described
Another input terminal input of first multiplier is connected to monophase current feedback module, and the first multiplier output is connected to PWM
Another input terminal of comparator, the output of the PWM comparator are connected to PWM module, and the PWM module output is connected to three
Balance each other electricity-saving appliance driving circuit high power device control terminal.
Further, the driving circuit of the three-phase balance electricity-saving appliance includes flat wave circuit and governor circuit.
Further, the flat wave circuit includes flat wave capacitor C1, and one end of the flat wave capacitor C1 is connected to three-phase equilibrium
One output end of electricity-saving appliance, the other end are connected to another output end of three-phase balance electricity-saving appliance, the three-phase balance electricity-saving appliance
An output end be connected to resistance R1, the other end is connected to one end of capacitor C2, and the other end is connected to three-phase equilibrium economize on electricity
Another output end of device, an output end of the three-phase balance electricity-saving appliance are connected to diode D1 anode, and the diode D1 is negative
Pole is connected to the other end of resistance R1.
Further, the governor circuit includes high power tube S1, and an output end of the three-phase balance electricity-saving appliance is connected to
The source level of high power tube S1, the drain electrode of the high power tube S1 are connected to the source level of high power tube S2, the high power tube S2's
Drain electrode is connected to another output end of three-phase balance electricity-saving appliance, and an output end of the three-phase balance electricity-saving appliance is connected to high-power
The source level of pipe S3, the drain electrode of the high power tube S3 are connected to the source level of high power tube S4, and the drain electrode of the high power tube S4 connects
It is connected to another output end of three-phase balance electricity-saving appliance, the drain electrode of the high power tube S1 is connected to secondary one of transformer T1
End, the drain electrode of the high power tube S3 are connected to the secondary other end of transformer T1, and primary one end of the transformer T1 connects
It is connected to zero line side, the primary other end of the transformer T1 is connected to one end of inductance L1, the other end connection of the inductance L1
It is held in U phase, the U phase holds the connection capacitor C3 between zero line side；
One output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S5, the leakage of the high power tube S5
Pole is connected to the source level of high power tube S6, and the drain electrode of the high power tube S6 is connected to another output of three-phase balance electricity-saving appliance
End, an output end of the three-phase balance electricity-saving appliance are connected to the source level of high power tube S7, and the drain electrode of the high power tube S7 connects
It is connected to the source level of high power tube S8, the drain electrode of the high power tube S8 is connected to another output end of three-phase balance electricity-saving appliance, institute
The drain electrode for stating high power tube S5 is connected to secondary one end of transformer T2, and the drain electrode of the high power tube S7 is connected to transformer
The secondary other end of T2, primary one end of the transformer T2 is connected to zero line side, the primary other end of the transformer T2
It is connected to one end of inductance L2, the other end of the inductance L2 is connected to V phase and holds, and the V phase is held connects electricity between zero line side
Hold C4；
One output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S9, the leakage of the high power tube S9
Pole is connected to the source level of high power tube S10, and the drain electrode of the high power tube S10 is connected to another output of three-phase balance electricity-saving appliance
End, an output end of the three-phase balance electricity-saving appliance are connected to the source level of high power tube S11, the drain electrode of the high power tube S11
It is connected to the source level of high power tube S12, the drain electrode of the high power tube S12 is connected to another output of three-phase balance electricity-saving appliance
End, the drain electrode of the high power tube S9 are connected to secondary one end of transformer T3, and the drain electrode of the high power tube S11 is connected to
The secondary other end of transformer T3, primary one end of the transformer T3 is connected to zero line side, the primary of the transformer T3
The other end is connected to one end of inductance L3, and the other end of the inductance L3 is connected to W phase and holds, and the W phase is held between zero line side
Connect capacitor C5.
The beneficial effects of the utility model are：
1, this patent using the single-phase voltage give module output be connected to first voltage comparator an input terminal and
Single-phase voltage feed-forward module, another input terminal of the first voltage comparator are connected to single-phase voltage feedback module, and described
The output end output of one voltage comparator is connected to pi regulator, and the pi regulator output is connected to second voltage comparator
One input terminal, the single-phase voltage feed-forward module output are connected to another input terminal of second voltage comparator, second electricity
Pressure comparator is connected to an input terminal of PWM comparator through the output of SIN ω t multiplier, and monophase current gives module output and connects
It is connected to the input terminal and single-phase voltage feed-forward module of the first current comparator, another input terminal of first current comparator
It is connected to monophase current feedback module, the output end output of first current comparator is connected to proportional controller, the ratio
Example adjuster output is connected to an input terminal of the first multiplier, and another input terminal input of first multiplier is connected to list
Phase current feedback module, the first multiplier output are connected to another input terminal of PWM comparator, the PWM comparator
Output be connected to PWM module, the PWM module output is connected to the high-power device of the driving circuit of three-phase balance electricity-saving appliance
The control terminal of part realizes three-phase output, this is due to implementing independent modulation respectively to it by sampling three-phase output voltage
System takes independent control to every phase of inverter.Every phase is all made of output voltage and adjusts pair that ring and current cut-off ring combine
Ring control thought corresponds to the mutually independent main circuit topological structure of three-phase, in order to realize that three phase controls are independent of each other, this system
Voltage adjusts the strategy for mainly adjusting using PI and combining voltage feedforward control, it can be according between value of feedback and given value
Deviation size changes proportionality coefficient and integral coefficient automatically, so that integral saturation is eliminated, when ensure that system parameter variations
Output voltage stabilization floating greatly reduces the overshoot of system.
2, this patent using the single-phase voltage give module output be connected to first voltage comparator an input terminal and
Single-phase voltage feed-forward module then greatly improves the rapidity of system due to the use of voltage feedforward control.The program is opposite
It is adjusted in traditional PID, not only ensure that the rapidity and stability of system, but also reduced traditional D and adjust bring high frequency
Section noise.
3, the inverter main circuit topology structure that this patent uses, wherein C1 is DC side flat wave capacitor, and R1, D1 and C2 are to be
The absorption circuit of system.The main circuit contains 3 half-bridge converters, and output is defeated by 3 single-phase transformers synthesis three-phase voltages
Circuit out.System samples three-phase output voltage respectively, independent control, easily realizes modular construction and module N+1 redundancy,
The asymmetric output problem of three-phase EPS inverter three-phase voltage when with unbalanced load is overcome simultaneously, is especially suitable for big
Power output occasion.
4, this patent three-phase EPS inverter system is composed using three independent half-bridge converters, realizes three
Phase voltage stablizes output, the good characteristic with the load of stronger anti-unbalance, while to switching frequency is improved, reduction is made an uproar
Sound improves waveform quality and all plays a significant role.The control program containing current cut-off ring proposed is simply and effectively restrained
Moment impact high current improves the matching capacity of EPS and motor load, significantly reduces system cost.
Detailed description of the invention
Fig. 1 is a kind of electrical schematic diagram of the three-phase balance electricity-saving appliance of PID closed-loop control of the utility model；
Fig. 2 is a kind of electrical schematic diagram of the driving circuit of the three-phase balance electricity-saving appliance of PID closed-loop control of the utility model.
Specific embodiment
The utility model is described further below in conjunction with attached drawing：
In figure：1- single-phase voltage gives module, and 2- monophase current gives module, 3- first voltage comparator, 4- single-phase electricity
Press feed-forward module, 5- single-phase voltage feedback module, 6-PI adjuster, 7- second voltage comparator, 8-SIN ω t multiplier, 9-
PWM comparator, the first current comparator of 10-, 11- monophase current feed-forward module, 12- monophase current feedback module, 13- ratio tune
Save device, the first multiplier of 14-, 15-PWM module, C1- flat wave capacitor, R1- resistance, C2- capacitor, D1- diode, S1~S12
High power tube, T1~T3 transformer, L1~L3 inductance, C3~C6 capacitor.
Embodiment：
The present embodiment：As shown in Figure 1, a kind of three-phase balance electricity-saving appliance of PID closed-loop control, including single-phase voltage is to cover half
Block 1 and monophase current give module 2, and the single-phase voltage, which gives module 1 and exports, is connected to the one defeated of first voltage comparator 3
Enter end and single-phase voltage feed-forward module 4, another input terminal of the first voltage comparator 3 is connected to single-phase voltage feedback module
5, the output end output of the first voltage comparator 3 is connected to pi regulator 6, and the output of pi regulator 6 is connected to second
One input terminal of voltage comparator 7, the output of single-phase voltage feed-forward module 4 are connected to the another defeated of second voltage comparator 7
Enter end, the second voltage comparator 7 exports an input terminal for being connected to PWM comparator 9 through SIN ω t multiplier 8, single-phase
Given value of current module 2, which exports, is connected to the input terminal and monophase current feed-forward module 11 of the first current comparator 10, and described the
Another input terminal of one current comparator 10 is connected to monophase current feedback module 12, first current comparator 10 it is defeated
Outlet output is connected to proportional controller 13, and the proportional controller 13 exports the input terminal for being connected to the first multiplier 14,
Another input terminal input of first multiplier 14 is connected to monophase current feedback module 12, and first multiplier 14 is defeated
It is connected to another input terminal of PWM comparator 9 out, the output of the PWM comparator 9 is connected to PWM module, the PWM mould
Block output is connected to the control terminal of the high power device of the driving circuit of three-phase balance electricity-saving appliance.
The driving circuit of the three-phase balance electricity-saving appliance includes flat wave circuit and governor circuit.
The flat wave circuit includes flat wave capacitor C1, and one end of the flat wave capacitor C1 is connected to three-phase balance electricity-saving appliance
One output end, the other end are connected to another output end of three-phase balance electricity-saving appliance, an output of the three-phase balance electricity-saving appliance
End is connected to resistance R1, and the other end is connected to one end of capacitor C2, and the other end is connected to the another of three-phase balance electricity-saving appliance
Output end, an output end of the three-phase balance electricity-saving appliance are connected to diode D1 anode, and the diode D1 cathode is connected to
The other end of resistance R1.
The governor circuit includes high power tube S1, and an output end of the three-phase balance electricity-saving appliance is connected to high power tube
The source level of S1, the drain electrode of the high power tube S1 are connected to the source level of high power tube S2, the drain electrode connection of the high power tube S2
In another output end of three-phase balance electricity-saving appliance, an output end of the three-phase balance electricity-saving appliance is connected to the source of high power tube S3
Grade, the drain electrode of the high power tube S3 are connected to the source level of high power tube S4, and the drain electrode of the high power tube S4 is connected to three-phase
Another output end of electricity-saving appliance is balanced, the drain electrode of the high power tube S1 is connected to secondary one end of transformer T1, described big
The drain electrode of power tube S3 is connected to the secondary other end of transformer T1, and primary one end of the transformer T1 is connected to zero curve
End, the primary other end of the transformer T1 are connected to one end of inductance L1, and the other end of the inductance L1 is connected to U phase and holds,
The U phase holds the connection capacitor C3 between zero line side；
One output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S5, the leakage of the high power tube S5
Pole is connected to the source level of high power tube S6, and the drain electrode of the high power tube S6 is connected to another output of three-phase balance electricity-saving appliance
End, an output end of the three-phase balance electricity-saving appliance are connected to the source level of high power tube S7, and the drain electrode of the high power tube S7 connects
It is connected to the source level of high power tube S8, the drain electrode of the high power tube S8 is connected to another output end of three-phase balance electricity-saving appliance, institute
The drain electrode for stating high power tube S5 is connected to secondary one end of transformer T2, and the drain electrode of the high power tube S7 is connected to transformer
The secondary other end of T2, primary one end of the transformer T2 is connected to zero line side, the primary other end of the transformer T2
It is connected to one end of inductance L2, the other end of the inductance L2 is connected to V phase and holds, and the V phase is held connects electricity between zero line side
Hold C4；
One output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S9, the leakage of the high power tube S9
Pole is connected to the source level of high power tube S10, and the drain electrode of the high power tube S10 is connected to another output of three-phase balance electricity-saving appliance
End, an output end of the three-phase balance electricity-saving appliance are connected to the source level of high power tube S11, the drain electrode of the high power tube S11
It is connected to the source level of high power tube S12, the drain electrode of the high power tube S12 is connected to another output of three-phase balance electricity-saving appliance
End, the drain electrode of the high power tube S9 are connected to secondary one end of transformer T3, and the drain electrode of the high power tube S11 is connected to
The secondary other end of transformer T3, primary one end of the transformer T3 is connected to zero line side, the primary of the transformer T3
The other end is connected to one end of inductance L3, and the other end of the inductance L3 is connected to W phase and holds, and the W phase is held between zero line side
Connect capacitor C5.
Working principle：
This patent gives the input terminal and list that module output is connected to first voltage comparator by the single-phase voltage
Phase voltage feed-forward module, another input terminal of the first voltage comparator are connected to single-phase voltage feedback module, and described first
The output end output of voltage comparator is connected to pi regulator, and the pi regulator output is connected to the one of second voltage comparator
Input terminal, the single-phase voltage feed-forward module output are connected to another input terminal of second voltage comparator, the second voltage
Comparator is connected to an input terminal of PWM comparator through the output of SIN ω t multiplier, and monophase current gives module output connection
Connect in another input terminal of the input terminal and single-phase voltage feed-forward module of the first current comparator, first current comparator
It is connected to monophase current feedback module, the output end output of first current comparator is connected to proportional controller, the ratio
Adjuster exports the input terminal for being connected to the first multiplier, and another input terminal input of first multiplier is connected to single-phase
Current feedback module, the first multiplier output are connected to another input terminal of PWM comparator, the PWM comparator
Output is connected to PWM module, and the PWM module output is connected to the high power device of the driving circuit of three-phase balance electricity-saving appliance
Control terminal, due to by sampling three-phase output voltage, it is implemented respectively it is independent modulate, realize three-phase and export, this system
Independent control is taken to every phase of inverter.Every phase be all made of output voltage adjust ring and current cut-off ring combine it is bicyclic
Control thought corresponds to the mutually independent main circuit topological structure of three-phase, in order to realize that three phase controls are independent of each other, this system electricity
Pressure adjusts the strategy for mainly adjusting using PI and combining voltage feedforward control, it can be according between value of feedback and given value
Deviation size changes proportionality coefficient and integral coefficient automatically, to eliminate integral saturation, the utility model solves existing
Technology exists since system has integral saturation, so as to cause the big problem of overshoot, has the overshoot for reducing system, is
The advantageous effects that system rapidity is good, is suitble to high-power output occasion, reduces system cost.
Using the technical solution of the utility model or those skilled in the art technical solutions of the utility model inspiration
Under, similar technical solution is designed, and reach above-mentioned technical effect, it is to fall into the protection scope of the utility model.
Claims (4)
1. a kind of three-phase balance electricity-saving appliance of PID closed-loop control, which is characterized in that give module and single-phase electricity including single-phase voltage
Given module is flowed, before the given module output of the single-phase voltage is connected to the input terminal and single-phase voltage of first voltage comparator
Module is presented, another input terminal of the first voltage comparator is connected to single-phase voltage feedback module, and the first voltage compares
The output end output of device is connected to pi regulator, and the pi regulator output is connected to an input terminal of second voltage comparator,
The single-phase voltage feed-forward module output is connected to another input terminal of second voltage comparator, the second voltage comparator warp
SIN ω t multiplier exports an input terminal for being connected to PWM comparator, and monophase current gives module output and is connected to the first electricity
The input terminal and single-phase voltage feed-forward module of comparator are flowed, another input terminal of first current comparator is connected to single-phase
The output end output of current feedback module, first current comparator is connected to proportional controller, and the proportional controller is defeated
It is connected to an input terminal of the first multiplier out, another input terminal input of first multiplier is connected to monophase current feedback
Module, the first multiplier output are connected to another input terminal of PWM comparator, the output connection of the PWM comparator
In PWM module, the PWM module output is connected to the control terminal of the high power device of the driving circuit of three-phase balance electricity-saving appliance.
2. a kind of three-phase balance electricity-saving appliance of PID closed-loop control according to claim 1, which is characterized in that the three-phase
The driving circuit for balancing electricity-saving appliance includes flat wave circuit and governor circuit.
3. a kind of three-phase balance electricity-saving appliance of PID closed-loop control according to claim 2, which is characterized in that the flat wave
Circuit includes flat wave capacitor C1, and one end of the flat wave capacitor C1 is connected to an output end of three-phase balance electricity-saving appliance, another
End is connected to another output end of three-phase balance electricity-saving appliance, and an output end of the three-phase balance electricity-saving appliance is connected to resistance R1,
Its other end is connected to one end of capacitor C2, and the other end is connected to another output end of three-phase balance electricity-saving appliance, the three-phase
One output end of balance electricity-saving appliance is connected to diode D1 anode, and the diode D1 cathode is connected to the other end of resistance R1.
4. a kind of three-phase balance electricity-saving appliance of PID closed-loop control according to claim 3, which is characterized in that the master control
Circuit includes high power tube S1, and an output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S1, described big
The drain electrode of power tube S1 is connected to the source level of high power tube S2, and the drain electrode of the high power tube S2 is connected to three-phase balance electricity-saving appliance
Another output end, an output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S3, the high power tube
The drain electrode of S3 is connected to the source level of high power tube S4, and the drain electrode of the high power tube S4 is connected to the another of three-phase balance electricity-saving appliance
Output end, the drain electrode of the high power tube S1 are connected to secondary one end of transformer T1, and the drain electrode of the high power tube S3 connects
It is connected to the secondary other end of transformer T1, primary one end of the transformer T1 is connected to zero line side, the transformer T1's
The primary other end is connected to one end of inductance L1, and the other end of the inductance L1 is connected to U phase and holds, and the U phase is held and zero line side
Between connect capacitor C3；
One output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S5, and the drain electrode of the high power tube S5 connects
It is connected to the source level of high power tube S6, the drain electrode of the high power tube S6 is connected to another output end of three-phase balance electricity-saving appliance, institute
The output end for stating three-phase balance electricity-saving appliance is connected to the source level of high power tube S7, and the drain electrode of the high power tube S7 is connected to greatly
The source level of power tube S8, the drain electrode of the high power tube S8 are connected to another output end of three-phase balance electricity-saving appliance, the big function
The drain electrode of rate pipe S5 is connected to secondary one end of transformer T2, and the drain electrode of the high power tube S7 is connected to time of transformer T2
The other end of grade, primary one end of the transformer T2 are connected to zero line side, and the primary other end of the transformer T2 is connected to
One end of inductance L2, the other end of the inductance L2 are connected to V phase and hold, and the V phase holds the connection capacitor C4 between zero line side；
One output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S9, and the drain electrode of the high power tube S9 connects
It is connected to the source level of high power tube S10, the drain electrode of the high power tube S10 is connected to another output end of three-phase balance electricity-saving appliance,
One output end of the three-phase balance electricity-saving appliance is connected to the source level of high power tube S11, the drain electrode connection of the high power tube S11
In the source level of high power tube S12, the drain electrode of the high power tube S12 is connected to another output end of three-phase balance electricity-saving appliance, institute
The drain electrode for stating high power tube S9 is connected to secondary one end of transformer T3, and the drain electrode of the high power tube S11 is connected to transformation
The secondary other end of device T3, primary one end of the transformer T3 are connected to zero line side, and the primary of the transformer T3 is another
End is connected to one end of inductance L3, and the other end of the inductance L3 is connected to W phase and holds, and the W phase is held to be connected between zero line side
Capacitor C5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419483.2U CN208174287U (en) | 2018-03-27 | 2018-03-27 | A kind of three-phase balance electricity-saving appliance of PID closed-loop control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419483.2U CN208174287U (en) | 2018-03-27 | 2018-03-27 | A kind of three-phase balance electricity-saving appliance of PID closed-loop control |
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| Publication Number | Publication Date |
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| CN208174287U true CN208174287U (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820419483.2U Expired - Fee Related CN208174287U (en) | 2018-03-27 | 2018-03-27 | A kind of three-phase balance electricity-saving appliance of PID closed-loop control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226265A1 (en) * | 2022-05-27 | 2023-11-30 | 金风科技股份有限公司 | Reactive control method and apparatus for wind turbine generator set cluster |
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2018
- 2018-03-27 CN CN201820419483.2U patent/CN208174287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226265A1 (en) * | 2022-05-27 | 2023-11-30 | 金风科技股份有限公司 | Reactive control method and apparatus for wind turbine generator set cluster |
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Effective date of registration: 20190711 Address after: 528437 Zhongshan Torch Development Zone, Guangdong Province, 25 Gangyi Road, 25 Zhongshan Creative Port B Building 2501-3 Patentee after: Zhongshan Huifan Information Technology Co., Ltd. Address before: 528437 Room 528437, Building 235, Kangle Avenue Pioneering Building, Torch Development Zone, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN SHUNFU ENERGY SAVING TECHNOLOGY CO., LTD. |
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Correction item: Patentee|Address Correct: Zhongshan Huifan Information Technology Co., Ltd.|528437 Zhongshan Torch Development Zone, Guangdong Province, 25 Gangyi Road, 25 Zhongshan Creative Port B Building 2501-3 False: Zhongshan Huifan Information Technology Co., Ltd.|528437 Zhongshan Torch Development Zone, Guangdong Province, 25 Gangyi Road, 25 Zhongshan Creative Port B Building 2501-3 Number: 31-01 Volume: 35 |
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