CN102522938A - Generator excitation control system for dynamic simulation experiments - Google Patents
Generator excitation control system for dynamic simulation experiments Download PDFInfo
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- CN102522938A CN102522938A CN2011104164736A CN201110416473A CN102522938A CN 102522938 A CN102522938 A CN 102522938A CN 2011104164736 A CN2011104164736 A CN 2011104164736A CN 201110416473 A CN201110416473 A CN 201110416473A CN 102522938 A CN102522938 A CN 102522938A
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Abstract
The invention discloses a generator excitation control system for dynamic simulation experiments, comprising an excitation initiating power supply, an excitation initiating element, a three-phase fully-controlled rectifier bridge, a generator, an excitation transformer, an excitation regulator, a voltage transformer, a current transformer and a driving circuit, which are connected in sequence, wherein the generator is used for supplying power to the three-phase fully-controlled rectifier bridge through the excitation transformer; the voltage transformer and the current transformer are respectively used for collecting stator voltage and stator current of the generator and transmitting the stator voltage and the stator current to the excitation regulator; and the excitation regulator is used for collecting rotor voltage and rotor current of the generator and achieving the aim of excitation control through regulating the excitation regulator according to the running state of the generator and the setting of a user. The generator excitation control system is provided with a plurality of excitation modes such as a constant generator terminal voltage excitation mode, a constant control angle excitation mode, a constant excitation current excitation mode and a constant reactive power excitation mode and is capable of carrying out various experiments; and the generator excitation control system has the characteristics of simple connection and equipment, high reliability and rapid response speed.
Description
Technical field
The present invention relates to a kind of generator excitation control system that is used for dynamic simulation experiment.
Background technology
Dynamic analog; Be through intend the various operating conditions and the malfunction of practical power systems at valve system patrixes such as RTDS (real-timedigital simulation device) or reality; The protection that in electric power system, moves and the function and the performance of control device are examined, to guarantee to protect the test with control device reliability service at the scene.
The excitation system of generator generally is made up of exciting power unit and two parts of field regulator.The exciting power unit provides direct current to synchronous generator rotor, i.e. exciting current; Field regulator is controlled the output of exciting power unit according to input signal and given adjustment criteria.Whole excitation automatic control system is a close-loop feedback control system that is made up of field regulator, exciting power unit and generator, is called the generator excitation control system.Three big basic tasks of exciter control system are: burning voltage, reasonable distribution reactive power and raising stability of power system.
Domestic generator adopts static excitation system more at present.In dynamic simulation experiment, real simulation and measurement in the time of need carrying out each pattern of power system operation, requirement can be grasped the basic skills that the excitation regulation device difference coefficient is asked for; Carry out kinds of experiments according to requirement of experiment, for example: like the excitation experiment of synchronous generator, inversion field suppression and the experiment of jumping field suppression switch demagnetization; Volt/conspicuous restriction experiment is encouraged experiment by force, underexcitation restriction experiment; Transfer the difference experiment, PSS (power system stabilizer, PSS) experiment etc.Response speed, certainty of measurement, stability and reliability to exciter control system all have higher requirement.
Summary of the invention
The object of the invention is the defective that overcomes prior art; A kind of generator excitation control system that is used for dynamic simulation experiment is provided; This exciter control system has permanent set end voltage excitation mode, permanent pilot angle excitation mode, permanent exciting current excitation mode and permanent idle excitation mode; Can carry out kinds of experiments, and have wiring and equipment is simple, reliability is high, the characteristics that response speed is fast.
The technical scheme that realizes above-mentioned purpose is:
A kind of generator excitation control system that is used for dynamic simulation experiment; It is characterized in that; Comprise successively the excitation power supply that connects, excitation element, three-phase full-controlled rectifier bridge with generator, be connected voltage transformer summation current transformer, excitation transformer, field regulator and the drive circuit of said generator outlet side respectively, wherein:
The input of said three-phase full-controlled rectifier bridge obtains power supply through the outlet side that said excitation transformer connects said generator; The output of said three-phase full-controlled rectifier bridge connects the magnet exciting coil of said generator through said slip ring;
Said voltage transformer summation current transformer is gathered the stator voltage and the stator current of said generator respectively and is passed to said field regulator;
Said field regulator is controlled three-phase full-controlled rectifier bridge through said drive circuit.
The above-mentioned generator excitation control system that is used for dynamic simulation experiment; Wherein, Said three-phase full-controlled rectifier bridge comprises three parallel with one another and every branch roads that formed by two thyristor series connection in the same way; The input that joins of the thyristor of per two series connection all links to each other with the output of said excitation transformer, and three branch road outputs link to each other with the magnet exciting coil of said generator through slip ring, and said thyristor is controlled through drive circuit by said field regulator.
The above-mentioned generator excitation control system that is used for dynamic simulation experiment; Wherein, can carry out excitation control through permanent set end voltage excitation mode, said permanent set end voltage excitation mode refers to: said field regulator, generator and three-phase full-controlled rectifier bridge form close loop control circuit; Keep generator terminal voltage constant; Thereby dynamic analog is under the indifference adjustment state, and when ambient systems changed, the constant set end voltage excitation mode of generator was to the influence of electrical network.
The above-mentioned generator excitation control system that is used for dynamic simulation experiment; Wherein, Can carry out excitation control through permanent pilot angle excitation mode; Said permanent pilot angle excitation mode refers to: said field regulator and three-phase full-controlled rectifier bridge are controlled said dynamo field coil electric current with constant pilot angle open loop, thereby under the dynamic analog open loop state of a control, the permanent pilot angle excitation mode of generator is to the influence of electrical network.
The above-mentioned generator excitation control system that is used for dynamic simulation experiment; Wherein, Can carry out excitation control through permanent exciting current excitation mode, said permanent exciting current excitation mode refers to: said field regulator, generator and three-phase full-controlled rectifier bridge form close loop control circuit, keep the dynamo field coil current constant; Thereby the external characteristic curve of dynamic analog checking generator under the constant excitation megnet current condition, the relation curve between this external characteristic curve finger tip voltage and the load current.
The above-mentioned generator excitation control system that is used for dynamic simulation experiment; Wherein, Can carry out excitation control through the idle excitation mode of perseverance, the idle excitation mode of said perseverance refers to: said field regulator, generator and three-phase full-controlled rectifier bridge form the open loop control loop, keep generator output reactive power constant; Thereby the dynamic analog generator is when ambient systems is shaken, and generator constant output reactive power is to the influence of electrical network.
The invention has the beneficial effects as follows: the present invention has multiple control modes; Under permanent set end voltage excitation mode; Under can dynamic analog indifference adjustment state, when ambient systems changed, the constant set end voltage excitation mode of generator be to the influence of electrical network; Can observe exciting current and generator output current, draw response curve; Under the permanent pilot angle excitation mode, can dynamic analog open loop state of a control under, generator excitation control is to the influence of electrical network, can observation airplane terminal voltage and exciting current characteristic separately; Under the permanent exciting current excitation mode, can verify that generator is the external characteristic curve under the constant excitation megnet current condition (being the relation curve between terminal voltage and the load current) by dynamic analog; Under the permanent idle excitation mode, can the dynamic analog generator when ambient systems is shaken, generator constant output reactive power is to the influence of electrical network, idle regulating characteristics in the time of can verifying generator unit paired running; The present invention also has wiring and equipment is simple, reliability is high, the characteristics that response speed is fast; Simultaneously, the present invention can play general exciter control system role: burning voltage, reasonable distribution reactive power and raising stability of power system.
Description of drawings
Fig. 1 is the generator excitation control system structural representation that is used for dynamic simulation experiment of the present invention;
Fig. 2 is the structural representation of field regulator of the present invention;
Fig. 3 is the structural representation of three-phase full-controlled rectifier bridge of the present invention.
Embodiment
To combine accompanying drawing that the present invention is described further below.
See also Fig. 1; The generator excitation control system that is used for dynamic simulation experiment of the present invention; Comprise excitation power supply 1, excitation element 2, three-phase full-controlled rectifier bridge 3, generator 4, excitation transformer (TR) 5, field regulator 6, voltage transformer (PT) 7, current transformer (CT) 8 and drive circuit 9, wherein:
Excitation power supply 1, excitation element 2, three-phase full-controlled rectifier bridge 3 and generator 4 link to each other successively, and excitation element 2 connects the input of three-phase full-controlled rectifier bridge 3; Excitation power supply 1 is formed the excitation circuit with excitation element 2, by the DC power supply excitation.
The input of three-phase full-controlled rectifier bridge 3 obtains power supply through the outlet side that excitation transformer 5 connects generator 4; The output of three-phase full-controlled rectifier bridge 3 connects the magnet exciting coil 42 that connects generator 4 through slip ring 41;
Voltage transformer 7, field regulator 6 and drive circuit 9 are connected in turn between the outlet side and three-phase full-controlled rectifier bridge 3 of generator 4;
Voltage transformer 7 summation current transformers 8 are gathered the stator voltage and the stator current of generator 4 respectively and are passed to field regulator 6;
See also Fig. 2; Specifically; Field regulator 6 comprises central processing unit chip 61, connects first instrument amplifier 62 and the A/D conversion 63 of voltage transformer 7 successively, and the second instrument amplifier 62 ' and second A/D converter 63 ' that connect current transformer 8 successively, wherein:
The input of central processing unit chip 61 connects first A/D converter 63 and second A/D converter 63 ' respectively, and output connects three-phase full-controlled rectifier bridge 3;
Stator voltage of gathering and rotor voltage are converted into digital data transmission and give central processing unit chip 61 through first instrument amplifier 62 and A/D conversion 63;
Stator current of gathering and rotor current are converted into digital data transmission and give central processing unit chip 61 through the second instrument amplifier 62 ' and second A/D converter 63 '.
In the present embodiment, to select model for use be the LPC2378 of ARM7 series to central processing unit chip 61; The model that first, second instrument amplifier 62,62 ' is selected for use is INA128; The ADS7844 analog to digital converter is selected in first, second A/D conversion 63,63 ' for use.
Specifically; Three-phase full-controlled rectifier bridge 3 comprises three parallel with one another and every branch roads that formed by two thyristor series connection in the same way; The input that joins of the thyristor of per two series connection all links to each other with the output of excitation transformer 5; Article three, the branch road output links to each other with the magnet exciting coil 42 of generator through slip ring 41, and said thyristor is controlled through drive circuit 9 by said field regulator 6.
See also Fig. 3, in six thyristors of three-phase full-bridge controlled rectifier 3, wherein three thyristor VS1, VS3, VS5 are that common cathode connects, and three thyristor VS2, VS4, VS6 are anode connection altogether in addition; Six thyristor VS1-VS6 gate pole separately connects drive circuit 9; For guaranteeing the circuit operate as normal; Trigger impulse has been proposed higher requirement, need be except thyristor VS1, VS3, the VS5 of common cathode group by the trigger impulse control change of current, the thyristor VS2 of anode groups, VS4, VS6 also must lean on the trigger impulse change of current altogether; Because upper and lower two groups of thyristors must respectively have the conducting simultaneously of a thyristor; Circuit could be worked, and the conducting of six thyristors is VS1, VS2, VS3, VS4, VS5 and VS6 in proper order, and their trigger impulse phases differ 60 degree successively.
We are defined as pilot angle with the trigger impulse moment and the voltage of thyristor by the phase angle of bearing between the natural commutation point that becomes positive.When pilot angle α increased from 0 ° to 90 ° gradually, average value of output voltage was by reducing greatly, and when pilot angle was 90 °, average value of output voltage was zero.Through the size of adjustment pilot angle α, can regulate and control the dc voltage value of output.Principle through field regulator shown in Figure 26, is carried out suitable control to pilot angle α thus, can realize permanent U
GPattern (permanent set end voltage pattern keeps set end voltage to stablize), permanent α pattern (permanent pilot angle pattern, the retentive control angle is stable), permanent I
LThe excitation regulation of pattern (permanent exciting current pattern, keep exciting current stable) and permanent Q pattern (permanent idle mode, keep the reactive power of generator output stable), below to its explanation:
Permanent U
GExcitation mode; Field regulator 6 is controlled through the pilot angle α of permanent set end voltage excitation mode to three-phase full-controlled rectifier bridge 3: preset set end voltage; Pilot angle α is initially set to 90 degree, and this moment, the rotor current mean value of generator was 0, and promptly stator voltage mean value is 0.Stator voltage through sampling generator 4; And relatively more preset set end voltage and stator voltage: if set end voltage is higher than stator voltage; 0 spend to 90 the degree between progressively reduce pilot angle, if set end voltage is lower than in stator voltage, 0 spend to 90 the degree between progressively increase pilot angle; After the adjustment, resampling and comparison stator voltage and set end voltage, and carry out next step adjustment to pilot angle α.
Permanent α excitation mode, field regulator 6 is controlled through the pilot angle α of permanent pilot angle mode to three-phase full-controlled rectifier bridge 3: preset pilot angle α, and trigger the thyristor in the three-phase full-controlled rectifier bridge 3 with this pilot angle α all the time.This method can let the experimenter observe under different trigger angle the output voltage waveforms of generator 4 in experiment.
Permanent I
LExcitation mode; Field regulator 6 is controlled through the pilot angle α of permanent exciting current mode to three-phase full-controlled rectifier bridge 3: owing to adopt the separated exciting excitation; And excitation division parallel circuit element is fixed, and therefore the size of given pilot angle α can reach the stable of exciting current.Preset exciting current; Initial setting up pilot angle α is 90 degree, and this moment, the rotor current mean value of generator was 0, through the rotor current of sampling generator; And relatively more preset exciting current and rotor current: if exciting current is higher than rotor current; 0 spend to 90 the degree between progressively reduce pilot angle, if exciting current is lower than rotor current, 0 spend to 90 the degree between progressively increase pilot angle; After the adjustment, resampling and comparison stator voltage and set end voltage, and carry out next step adjustment to pilot angle α.
Permanent Q excitation mode; Field regulator 6 is controlled through the pilot angle α of the idle mode of perseverance to three-phase full-controlled rectifier bridge 3: the user is provided with a fixing reactive power; The sampled voltage cycle; And stator voltage, the stator current of 256 points of in this cycle, sampling, carry out fast Fourier transform, calculate the actual reactive power of generator; The reactive power of actual reactive power and setting is if actual reactive power less than the reactive power of setting, is spent to progressively reducing pilot angle α between 90 degree increasing exciting voltage 0, thereby increased reactive power; If actual reactive power is greater than the reactive power of setting, spends to progressively increasing pilot angle α between 90 degree reducing exciting voltage 0, thereby reduce reactive power.
When the generator needs were out of service, the pilot angle of field regulator 6 control three-phase full-controlled rectifier bridges 3 when pilot angle α＞90 are spent, can carry out inversion field suppression.
Above embodiment only supplies to explain the present invention's usefulness; But not limitation of the present invention; The technical staff in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification; Therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (6)
1. generator excitation control system that is used for dynamic simulation experiment; It is characterized in that; Comprise successively the excitation power supply that connects, excitation element, three-phase full-controlled rectifier bridge with generator, be connected voltage transformer summation current transformer, excitation transformer, field regulator and the drive circuit of said generator outlet side respectively, wherein:
The input of said three-phase full-controlled rectifier bridge obtains power supply through the outlet side that said excitation transformer connects said generator; The output of said three-phase full-controlled rectifier bridge connects the magnet exciting coil of said generator through said slip ring;
Said voltage transformer summation current transformer is gathered the stator voltage and the stator current of said generator respectively and is passed to said field regulator;
Said field regulator is controlled three-phase full-controlled rectifier bridge through said drive circuit.
2. the generator excitation control system that is used for dynamic simulation experiment according to claim 1; It is characterized in that; Said three-phase full-controlled rectifier bridge comprises three parallel with one another and every branch roads that formed by two thyristor series connection in the same way; The input that joins of the thyristor of per two series connection all links to each other with the output of said excitation transformer; Article three, the branch road output links to each other with the magnet exciting coil of said generator through slip ring, and said thyristor is controlled through drive circuit by said field regulator.
3. the generator excitation control system that is used for dynamic simulation experiment according to claim 1 and 2; It is characterized in that; Can carry out excitation control through permanent set end voltage excitation mode; Said permanent set end voltage excitation mode refers to: said field regulator, generator and three-phase full-controlled rectifier bridge form close loop control circuit, keep generator terminal voltage constant, thereby dynamic analog are under the indifference adjustment state; When ambient systems changed, the constant set end voltage excitation mode of generator was to the influence of electrical network.
4. the generator excitation control system that is used for dynamic simulation experiment according to claim 1 and 2; It is characterized in that; Can carry out excitation control through permanent pilot angle excitation mode; Said permanent pilot angle excitation mode refers to: said field regulator and three-phase full-controlled rectifier bridge are controlled said dynamo field coil electric current with constant pilot angle open loop, thereby under the dynamic analog open loop state of a control, the permanent pilot angle excitation mode of generator is to the influence of electrical network.
5. the generator excitation control system that is used for dynamic simulation experiment according to claim 1 and 2; It is characterized in that; Can carry out excitation control through permanent exciting current excitation mode; Said permanent exciting current excitation mode refers to: said field regulator, generator and three-phase full-controlled rectifier bridge form close loop control circuit; Keep the dynamo field coil current constant, thus the external characteristic curve of dynamic analog checking generator under the constant excitation megnet current condition, the relation curve between this external characteristic curve finger tip voltage and the load current.
6. the generator excitation control system that is used for dynamic simulation experiment according to claim 1 and 2; It is characterized in that; Can carry out excitation control through the idle excitation mode of perseverance, the idle excitation mode of said perseverance refers to: said field regulator, generator and three-phase full-controlled rectifier bridge form the open loop control loop, keep generator output reactive power constant; Thereby the dynamic analog generator is when ambient systems is shaken, and generator constant output reactive power is to the influence of electrical network.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605012A (en) * | 2013-10-23 | 2014-02-26 | 国家电网公司 | Excitation system test trolley |
| CN104184143A (en) * | 2014-08-29 | 2014-12-03 | 国家电网公司 | Automatic checking method for generator set grid-related protection and limitation |
| CN104408225A (en) * | 2014-10-20 | 2015-03-11 | 西北工业大学 | A simulation method of rectifier fault of power generation system of airplane |
| WO2016161783A1 (en) * | 2015-04-10 | 2016-10-13 | 国电南瑞科技股份有限公司 | Synchronous-motor excitation-system control method based on electric potential control in real-time status |
| CN108258955A (en) * | 2016-12-28 | 2018-07-06 | 朋程科技股份有限公司 | Adjuster, vehicle alternator and its Rotating speed measring method |
| CN108667369A (en) * | 2018-06-27 | 2018-10-16 | 中国长江电力股份有限公司 | A kind of intelligent power cabinet and its control method for having excitation con-trol and adjusting poor function |
| CN108872851A (en) * | 2018-04-24 | 2018-11-23 | 中国电力科学研究院有限公司 | It is a kind of for measuring the method and system of generator voltage permanent speed regulation |
| CN110488191A (en) * | 2019-09-12 | 2019-11-22 | 岭澳核电有限公司 | Nuclear power plant's emergency diesel dynamo off-line testing system |
| CN110531263A (en) * | 2019-09-12 | 2019-12-03 | 岭澳核电有限公司 | Nuclear power plant's emergency diesel dynamo off-line testing method |
| CN113676093A (en) * | 2021-07-19 | 2021-11-19 | 中国长江电力股份有限公司 | Generator excitation method based on open-loop control |
| CN114629400A (en) * | 2022-03-22 | 2022-06-14 | 三峡智控科技有限公司 | Control method for establishing initial anode voltage in excitation initiating process |
| CN116247952A (en) * | 2023-05-08 | 2023-06-09 | 国网山西省电力公司临汾供电公司 | Three-phase bridge rectifier converter with controllable three bridge arm power |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913339A (en) * | 2006-09-05 | 2007-02-14 | 四川东风电机厂有限公司 | PLC silicon-controlled static exciting system of synchronous generater |
| CN101667801A (en) * | 2009-09-28 | 2010-03-10 | 武汉武大电力科技有限公司 | Excitation system of generator |
-
2011
- 2011-12-14 CN CN2011104164736A patent/CN102522938A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913339A (en) * | 2006-09-05 | 2007-02-14 | 四川东风电机厂有限公司 | PLC silicon-controlled static exciting system of synchronous generater |
| CN101667801A (en) * | 2009-09-28 | 2010-03-10 | 武汉武大电力科技有限公司 | Excitation system of generator |
Non-Patent Citations (2)
| Title |
|---|
| 周旭辉等: "一种发电机微机励磁实验装置的研制", 《电力系统及其自动化学报》 * |
| 田建设等: "发电机励磁控制教学实验平台的研制", 《电气电子教学学报》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103605012A (en) * | 2013-10-23 | 2014-02-26 | 国家电网公司 | Excitation system test trolley |
| CN103605012B (en) * | 2013-10-23 | 2016-08-24 | 国家电网公司 | A kind of excitation system test trolley |
| CN104184143A (en) * | 2014-08-29 | 2014-12-03 | 国家电网公司 | Automatic checking method for generator set grid-related protection and limitation |
| CN104184143B (en) * | 2014-08-29 | 2016-09-21 | 国家电网公司 | A kind of generating set relates to net protection and the method limiting automatic Check |
| CN104408225A (en) * | 2014-10-20 | 2015-03-11 | 西北工业大学 | A simulation method of rectifier fault of power generation system of airplane |
| WO2016161783A1 (en) * | 2015-04-10 | 2016-10-13 | 国电南瑞科技股份有限公司 | Synchronous-motor excitation-system control method based on electric potential control in real-time status |
| CN108258955A (en) * | 2016-12-28 | 2018-07-06 | 朋程科技股份有限公司 | Adjuster, vehicle alternator and its Rotating speed measring method |
| CN108258955B (en) * | 2016-12-28 | 2020-11-17 | 朋程科技股份有限公司 | Regulator, vehicle AC generator and rotation speed detection method thereof |
| CN108872851A (en) * | 2018-04-24 | 2018-11-23 | 中国电力科学研究院有限公司 | It is a kind of for measuring the method and system of generator voltage permanent speed regulation |
| CN108872851B (en) * | 2018-04-24 | 2021-11-26 | 中国电力科学研究院有限公司 | Method and system for measuring voltage difference rate of generator |
| CN108667369A (en) * | 2018-06-27 | 2018-10-16 | 中国长江电力股份有限公司 | A kind of intelligent power cabinet and its control method for having excitation con-trol and adjusting poor function |
| CN108667369B (en) * | 2018-06-27 | 2023-08-18 | 中国长江电力股份有限公司 | Intelligent power cabinet with excitation control and difference adjustment functions and control method thereof |
| CN110488191A (en) * | 2019-09-12 | 2019-11-22 | 岭澳核电有限公司 | Nuclear power plant's emergency diesel dynamo off-line testing system |
| CN110531263A (en) * | 2019-09-12 | 2019-12-03 | 岭澳核电有限公司 | Nuclear power plant's emergency diesel dynamo off-line testing method |
| CN113676093A (en) * | 2021-07-19 | 2021-11-19 | 中国长江电力股份有限公司 | Generator excitation method based on open-loop control |
| CN113676093B (en) * | 2021-07-19 | 2023-08-18 | 中国长江电力股份有限公司 | Open-loop control-based generator excitation starting method |
| CN114629400A (en) * | 2022-03-22 | 2022-06-14 | 三峡智控科技有限公司 | Control method for establishing initial anode voltage in excitation initiating process |
| CN116247952A (en) * | 2023-05-08 | 2023-06-09 | 国网山西省电力公司临汾供电公司 | Three-phase bridge rectifier converter with controllable three bridge arm power |
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Inventor after: Jie Da Inventor after: Liu Gaowei Inventor after: Yu Zhiwen Inventor after: Zhang Yanchi Inventor after: Zhuang Junpeng Inventor after: Jiang Chuanwen Inventor after: Ai Qian Inventor after: He Wei Inventor after: Pan Yu Inventor before: Jie Da Inventor before: Fang Xinyu Inventor before: Yu Zhiwen Inventor before: Zhang Yanchi Inventor before: Zhuang Junpeng Inventor before: Jiang Chuanwen Inventor before: Ai Qian Inventor before: He Wei |
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Free format text: CORRECT: INVENTOR; FROM: JIE DA FANG XINYU YU ZHIWEN ZHANG YANCHI ZHUANG JUNPENG JIANG CHUANWEN AI QIAN HE WEI TO: JIE DA LIU GAOWEI YU ZHIWEN ZHANG YANCHI ZHUANG JUNPENG JIANG CHUANWEN AI QIAN HE WEI PAN YU |
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Application publication date: 20120627 |