CN103777141A - Large generator brushless exciter online detection method, system and phase failure method - Google Patents
Large generator brushless exciter online detection method, system and phase failure method Download PDFInfo
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Abstract
The invention relates to a large generator brushless exciter online detection method, system and phase failure method. The online detection method is used for verifying a large generator brushless exciter rotating diode connecting monitoring device, and comprises a phase failure step and a function verifying step. The phase failure step comprises entering a stator chamber of the exciter, dismounting conductive connection sheets between a rotating armature and a rectification hub, and then mounting counterweight blocks which are equal to the conductive connection sheets in weight at the places where the conductive connection sheets are dismounted. The online detection system comprises the rotating armature, the rectification hub, the conductive connection sheets connected between the rotating armature and the rectification hub and the counterweight blocks which are equal to the conductive connection sheets in weight. According to the phase failure method, phase failure is achieved by dismounting the conductive connection sheets connected between the rotating armature and the rectification hub and mounting the counterweight blocks which are equal to the conductive connection sheets in weight at the places where the conductive connection sheets are dismounted. The phase failure and recovery operation in the method is small in difficulty, and detection time and detection cost can be greatly saved.
Description
Technical field
The present invention relates to high-rating generator, more particularly, relate to a kind of online test method and system of brushless exciter of high-rating generator, for verifying the function of rotating diode conducting monitoring device (be called for short DNC) of brushless exciter of high-rating generator, and disconnected phase study method.
Background technology
Million kilowatt Half Speed genset adopted first in ridge Australia of China nuclear power second phase, Shu Ling Australia nuclear power second phase significant design improvements item, wherein, the disconnected phase of brushless exciter and the test of rotating diode conducting monitoring device, compare ridge Australia first phase for newly-increased pilot project, commissioning staff, without related commissioning experience, is listed in material risk pilot project.
Armature winding and the rotating diode of Half Speed Dynamotor brushless excitation machine are fixed together, and with generator amature rotation, therefore detect rotating diode operation conditions more complicated.For guaranteeing unit safety operation; require new-built unit must carry out at the scene true mutually disconnected and DNC test; test objective mainly checks and calibrates the setting of DNC device various functions parameter; checking DNC device outlet logic is reported to the police mutually at rotating diode disconnected; disconnected two-phase chaser function, tests by these stability and the reliability that could verify DNC.Domestic equipment of the same type is less, adopt French ALSTOM company unit just to have the equipment of this type, but equipment is all less at Thermal Power Enterprises, with million kilowatt half speed generator of nuclear power station without comparability.
Thermal Power Enterprises for the way of small unit is; during unit complete start-up test, adopt the disconnected phase of method of removing exciter magnetic pole; and then break and one report to the police mutually and disconnected two-phase chaser test; the method exists mutually disconnected and recovery difficulty is high; the defect that holding time is long; be mainly manifested in: remove exciter magnetic pole required time long; and there is damage equipment Risk; recover assembling and need alignment again and transient equilibrium configuration; slightly bias can be brought equipment damage risk; and stop time is long, take engineering construction critical path time long, experimentation cost is high.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned disconnected phase of prior art and the defect that recovery difficulty is high, the running time is long, provides a kind of online test method, system and disconnected phase method of high-rating generator brushless exciter.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of high-rating generator online test method, be used for the function of the rotating diode conducting monitoring device of the brushless exciter of verifying high-rating generator, this online test method comprises disconnected phase step and functional verification step, described disconnected phase step comprises: enter in the stator thorax of described exciter, remove the conductive connecting piece between rotating armature and rectification hub, then the balancing weight weighing with conductive connecting piece etc. is installed in the position after dismounting.
In high-rating generator online test method of the present invention, for avoiding armature spindle bending, under intermittent jiggering state, carry out described disconnected phase step.
In high-rating generator online test method of the present invention, reliable and stable for guaranteeing better DNC output logic, this online test method also comprises calibration steps, and this calibration steps comprises:
Under disconnected two-phase state, the interim field power supply that closes, puts into excitation, manual voltage boosting, to rated voltage, regulates fastener (referring to the circuit board in DNC) potentiometer, until three pulses of waveform disappearance of fastener output, record the voltage of fastener potentiometer, as the first voltage;
Continue to regulate fastener potentiometer, until the waveform of fastener output lacks a pulse, record the voltage of fastener potentiometer, as second voltage; And
Continue to regulate fastener potentiometer, make its voltage equal the mean value of described the first voltage and second voltage.
In high-rating generator online test method of the present invention, described functional verification step comprises:
The chaser function of disconnected two phase times of checking; And
The warning function of the disconnected phase time of checking.
In high-rating generator online test method of the present invention, described high-rating generator can be nuclear power station million kilowatt half speed generator.
The disconnected phase method of the brushless exciter of a kind of high-rating generator of the present invention structure is: the conductive connecting piece of removing between rotating armature and rectification hub is realized disconnected phase, and the balancing weight heavy with conductive connecting piece etc. installed in position after dismounting.
In the disconnected phase method of high-rating generator brushless exciter of the present invention, for avoiding armature spindle bending, be selected in and under intermittent jiggering state, carry out described disconnected phase.
A kind of high-rating generator on-line detecting system of the present invention's structure, be used for the function of the rotating diode conducting monitoring device of the brushless exciter of verifying high-rating generator, this on-line detecting system comprise rotating armature, rectification hub and be connected in this rotating armature and this rectification hub between conductive connecting piece, this on-line detecting system also comprises the balancing weight heavy with conductive connecting piece etc., for replacing conductive connecting piece between rotating armature and rectification hub to realize disconnected phase.
In high-rating generator on-line detecting system of the present invention, for avoiding armature spindle bending, under intermittent jiggering state, carry out described disconnected phase.
The invention has the beneficial effects as follows, adopt the conductive connecting piece of removing between rotating armature and rectification hub to realize disconnected phase, difficulty mutually disconnected and recovery operation is little, can greatly save detection time and testing cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the connection diagram of Half Speed Dynamotor brushless excitation machine rotating armature and rectification hub in embodiment;
Fig. 2 is the oscillogram that embodiment interrupts fastener output after two-phase;
Fig. 3 is that embodiment interrupts an oscillogram that rear fastener is exported mutually.
Embodiment
The high-rating generator that the present embodiment relates to is nuclear power station million kilowatt half speed generator, as shown in Figure 1, rotating armature 1 and the rectification hub 2 of the brushless exciter of this half speed generator are fixed together, rotate with generator amature, rotating armature 1 has 39 phases, and 39 are connected with rotating diode electricity with the corresponding fuse on rectification hub 2 by 39 conductive connecting pieces 3 respectively mutually.
The present embodiment high-rating generator on-line detecting system, be used for the function of the rotating diode conducting monitoring device of the brushless exciter of verifying high-rating generator, this on-line detecting system comprises: rotating armature 1, rectification hub 2, be connected in conductive connecting piece 3 between rotating armature 1 and rectification hub 2 and the balancing weight 4 and 5 heavy with conductive connecting piece 3 etc., balancing weight 4 and 5 is for replacing conductive connecting piece 3 between rotating armature 1 and rectification hub 2 to realize disconnected phase, and guarantee disconnected mutually after the transient equilibrium of unit.In the present embodiment, replace a conductive connecting piece 3 with two balancing weights 4 and 5, balancing weight 4 is contained on rectification hub 2, and balancing weight 5 is contained on rotating armature 1.Understandably, if adopt non-conducting material to make balancing weight, can use with a balancing weight of conductive connecting piece 3 same shapes and replace a conductive connecting piece 3, balancing weight one end is arranged on rectification hub 2, the other end is arranged on rotating armature 1.
The present embodiment high-rating generator online test method is used for the function of the rotating diode conducting monitoring device of verifying brushless exciter, this online test method comprises disconnected phase step and functional verification step, described disconnected phase step comprises: enter in the stator thorax of exciter, remove the conductive connecting piece 3 between rotating armature 1 and rectification hub 2, then the heavy balancing weight 4,5 such as the installation of the position after dismounting and conductive connecting piece 3.Balancing weight 4,5 need weigh with scale, and makes it to match with conductive connecting piece 3, and guaranteeing to remove conductive connecting piece 3 can not affect the transient equilibrium of unit, to avoid causing exciter burning damage accident.
Generator outage overlong time, can make armature spindle bending, therefore after long period shutdown, needs to adjust unit axis, can spend so a large amount of durations.For avoiding disconnected operation mutually to cause armature spindle bending, the operation mutually of breaking under intermittent jiggering state.Particularly; in disconnected phase front; make unit stop master car but state that hand turning is not isolated in the time shutting down; testing crew is opened excitation cabinet door; enter the phase operation of breaking in exciter stator thorax; the one-stop operation time can not exceed turbodynamo in residence time of hot lower permission (within this time; armature spindle can be not bending); testing crew is withdrawn from rear hand turning half-turn or multi-turn; until dish stops to comfortable setting; testing crew enters operation in exciter stator thorax again, so repeats, and has operated mutually until disconnected.
Testing crew also will be paid close attention to the tightness of main inlet throttle-stop valve, otherwise can not guarantee stationary rotor while stopping quotation on the exchange car, therefore requiring the testing crew that enters exciter operation is actuator, strictly observe test responsible official's commander, before need manually boot jiggering, want prior notice operating personnel, prevent from withdrawing from hastily and cause foreign matter to fall into equivalent risk.
Disconnected complete mutually after, carry out the functional verification of DNC, functional verification step comprises: the chaser function of disconnected two phase times of checking (, disconnected two phase time turbodynamo chasers, and send chaser guard signal); And, the warning function (, whether a disconnected phase time sends warning indication information) of the disconnected phase time of checking.
Reliable and stable for guaranteeing better DNC output logic, this online test method also comprises calibration steps.
Above-mentioned functions verification step and calibration steps need to be withdrawn from after exciter at testing crew, and generator is moved under rated speed, and generator terminal voltage reaches rated voltage.
Particularly, realize by the following method the functional verification of calibration and disconnected two phase times: under disconnected two-phase state, interim field power supply closes; Put into excitation, manual voltage boosting is to rated voltage 24kV; Check that generator and excitation system are without abnormal alarm, the waveform of now fastener output should lack two pulses, and the level of deletion pulse position is low level; Regulate fastener potentiometer, until the waveform of fastener output lacks three pulses, record the voltage of fastener potentiometer, as the first voltage; Continue to regulate fastener potentiometer, until the waveform of fastener output lacks a pulse, record the voltage of fastener potentiometer, as second voltage; Continue to regulate fastener potentiometer, make its voltage equal the mean value of described the first voltage and second voltage, so far completed the calibration of a fastener; Check that the each fastener pilot lamp of DNC is correct; Record lacks the waveform of two-phase, as shown in Figure 2; Repeat above-mentioned steps, complete the calibration of two other fastener.Then, recover DNC chaser command signal; Confirmation steam turbine main inlet throttle-stop valve and pitch are closed, turntable vehicle state; Confirm field switch tripping operation, alerting signal is correct; Warning and the tripping operation information of confirming master-control room are correct; So far the disconnected two-phase functional verification of DNC completes.
After disconnected two-phase functional verification completes; make unit stop master car but state that hand turning is not isolated in the time shutting down; testing crew is opened excitation cabinet door; enter in exciter stator thorax; recover the conductive connecting piece of a phase; make unit in a disconnected phase state, after completing, the functional verification of the phase time that breaks.Concrete grammar is: interim field power supply closes; Put into excitation, manual voltage boosting is to generator rated voltage; Check that generator and excitation system are without abnormal alarm; Confirm that fastener output waveform should lack a pulse, the level of deletion pulse position is low level; Check that the each fastener pilot lamp of DNC is correct; Record lacks the waveform of a phase, as shown in Figure 3; Repeat above step, check that two other fastener output is correct; Manually make lock, confirm steam turbine tripping operation, turntable vehicle state; The alerting signal of confirming excitation cubicle and master-control room is correct.
After having verified, again make unit stop master car but state that hand turning is not isolated in the time shutting down, testing crew is opened excitation cabinet door, enters in exciter stator thorax, recovers the conductive connecting piece of another phase.
Move under rated speed because above-mentioned verification step needs generator, generator terminal voltage reaches rated voltage.In order to reduce generator start-stop number of times, optimize whole united test logical order, online test method of the present invention preferably after generator no-load test is complete, and time period before field regulator no-load test carry out.
Designer of the present invention has proposed innovatively to adopt and has not taken out exciter magnetic pole, and personnel climb into the phase of break in exciter, has fundamentally solved to extract exciter magnetic pole out and realize the disconnected disconnected phase existing mutually and recover that difficulty is high, the technological deficiency of running time length.The disconnected phase method of the present invention and high-rating generator online test method are in ridge Australia second phase nuclear power successful Application, obtain compared with good result, not only avoid magnetic pole gap to adjust risk, and make the duration of 10 days in the original plan only use 1 day half time, greatly reduce uniting and adjustment critical path, reduce experimentation cost, also optimized test sequence simultaneously.
Claims (9)
1. a high-rating generator online test method, be used for the function of the rotating diode conducting monitoring device of the brushless exciter of verifying high-rating generator, this online test method comprises disconnected phase step and functional verification step, it is characterized in that, described disconnected phase step comprises: enter in the stator thorax of described exciter, remove the conductive connecting piece between rotating armature and rectification hub, then the balancing weight weighing with conductive connecting piece etc. is installed in the position after dismounting.
2. high-rating generator online test method according to claim 1, is characterized in that, carries out described disconnected phase step under intermittent jiggering state.
3. high-rating generator online test method according to claim 1, is characterized in that, this online test method also comprises calibration steps, and this calibration steps comprises:
Under disconnected two-phase state, the interim field power supply that closes, puts into excitation, and manual voltage boosting, to rated voltage, regulates fastener potentiometer, until the waveform of fastener output lacks three pulses, records the voltage of fastener potentiometer, as the first voltage;
Continue to regulate fastener potentiometer, until the waveform of fastener output lacks a pulse, record the voltage of fastener potentiometer, as second voltage; And
Continue to regulate fastener potentiometer, make its voltage equal the mean value of described the first voltage and second voltage.
4. high-rating generator online test method according to claim 1, is characterized in that, described functional verification step comprises:
The chaser function of disconnected two phase times of checking; And
The warning function of the disconnected phase time of checking.
5. high-rating generator online test method according to claim 1, is characterized in that, described high-rating generator is nuclear power station million kilowatt half speed generator.
6. a disconnected phase method for the brushless exciter of high-rating generator, is characterized in that, the conductive connecting piece of removing between rotating armature and rectification hub is realized disconnected phase, and the balancing weight heavy with conductive connecting piece etc. installed in position after dismounting.
7. the disconnected phase method of high-rating generator brushless exciter according to claim 6, is characterized in that, carries out described disconnected phase under intermittent jiggering state.
8. a high-rating generator on-line detecting system, be used for the function of the rotating diode conducting monitoring device of the brushless exciter of verifying high-rating generator, this on-line detecting system comprise rotating armature, rectification hub and be connected in this rotating armature and this rectification hub between conductive connecting piece, it is characterized in that: described on-line detecting system also comprises the balancing weight heavy with conductive connecting piece etc., for replacing conductive connecting piece between rotating armature and rectification hub to realize disconnected phase.
9. high-rating generator on-line detecting system according to claim 8, is characterized in that: under intermittent jiggering state, carry out described disconnected phase.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730936A (en) * | 2015-03-05 | 2015-06-24 | 国家电网公司 | Electromechanical transient model actual measuring and modeling method for nuclear power unit 39-phase self-excitation brushless excitation system |
| CN106291146A (en) * | 2015-05-13 | 2017-01-04 | 中广核工程有限公司 | The fault detection method of heterogeneous brushless excitation system rotating rectifier and device |
| CN107525991A (en) * | 2017-09-29 | 2017-12-29 | 中广核核电运营有限公司 | Phase failure protector disconnected phase threshold value setting method, device, medium and computer equipment |
| CN109581174A (en) * | 2018-11-30 | 2019-04-05 | 中广核工程有限公司 | A kind of nuclear power station Dynamic Simulating Test system and test method |
| CN109782171A (en) * | 2019-01-28 | 2019-05-21 | 浙江浙能技术研究院有限公司 | A kind of anti-jamming traction device for being detected in generator thorax |
| CN109782170A (en) * | 2019-01-28 | 2019-05-21 | 浙江浙能技术研究院有限公司 | Intelligent checking system in the generator thorax of rotor is not taken out |
| CN109991539A (en) * | 2019-03-29 | 2019-07-09 | 广西防城港核电有限公司 | Multiphase corner connection brushless exciter rotating diode one-phase open circuit detection method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913317A (en) * | 2006-08-29 | 2007-02-14 | 四川东风电机厂有限公司 | Brushless excitation steam turbine rotation rectifier |
| CN1917358A (en) * | 2006-09-08 | 2007-02-21 | 四川东风电机厂有限公司 | Brushless excitation control system of TRT synchronous generator |
| CN2932764Y (en) * | 2006-08-08 | 2007-08-08 | 四川东风电机厂有限公司 | Brushless excitation steam turbine rotary rectifier |
| CN201290052Y (en) * | 2008-11-04 | 2009-08-12 | 山东齐鲁电机制造有限公司 | Brushless excitation rotary rectifying device for turbine generator |
| CN201886119U (en) * | 2010-11-25 | 2011-06-29 | 杭州三和电控设备有限公司 | Rotary diode fault detection system based on microcomputer excitation adjuster |
-
2012
- 2012-10-22 CN CN201210404100.1A patent/CN103777141B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2932764Y (en) * | 2006-08-08 | 2007-08-08 | 四川东风电机厂有限公司 | Brushless excitation steam turbine rotary rectifier |
| CN1913317A (en) * | 2006-08-29 | 2007-02-14 | 四川东风电机厂有限公司 | Brushless excitation steam turbine rotation rectifier |
| CN1917358A (en) * | 2006-09-08 | 2007-02-21 | 四川东风电机厂有限公司 | Brushless excitation control system of TRT synchronous generator |
| CN201290052Y (en) * | 2008-11-04 | 2009-08-12 | 山东齐鲁电机制造有限公司 | Brushless excitation rotary rectifying device for turbine generator |
| CN201886119U (en) * | 2010-11-25 | 2011-06-29 | 杭州三和电控设备有限公司 | Rotary diode fault detection system based on microcomputer excitation adjuster |
Non-Patent Citations (3)
| Title |
|---|
| 朱晓瑾: ""旋转二极管故障检测新技术在无刷励磁机上的应用分析"", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》, no. 7, 15 July 2012 (2012-07-15) * |
| 王如海: ""无刷励磁机旋转二极管故障试验检讨"", 《四川电力技术》, no. 3, 31 December 1999 (1999-12-31) * |
| 陈宇锋: ""无刷励磁机旋转二极管非导通检测系统"", 《江西电力》, vol. 29, no. 4, 30 April 2004 (2004-04-30) * |
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| CN104730936B (en) * | 2015-03-05 | 2017-04-26 | 国家电网公司 | Electromechanical transient model actual measuring and modeling method for nuclear power unit 39-phase self-excitation brushless excitation system |
| CN104730936A (en) * | 2015-03-05 | 2015-06-24 | 国家电网公司 | Electromechanical transient model actual measuring and modeling method for nuclear power unit 39-phase self-excitation brushless excitation system |
| CN106291146B (en) * | 2015-05-13 | 2019-03-05 | 中广核工程有限公司 | The fault detection method and device of multiphase brushless excitation system rotating rectifier |
| CN106291146A (en) * | 2015-05-13 | 2017-01-04 | 中广核工程有限公司 | The fault detection method of heterogeneous brushless excitation system rotating rectifier and device |
| CN107525991B (en) * | 2017-09-29 | 2020-01-14 | 中广核核电运营有限公司 | Open-phase protector open-phase threshold setting method, device, medium and computer equipment |
| CN107525991A (en) * | 2017-09-29 | 2017-12-29 | 中广核核电运营有限公司 | Phase failure protector disconnected phase threshold value setting method, device, medium and computer equipment |
| CN109581174A (en) * | 2018-11-30 | 2019-04-05 | 中广核工程有限公司 | A kind of nuclear power station Dynamic Simulating Test system and test method |
| CN109581174B (en) * | 2018-11-30 | 2021-05-04 | 中广核工程有限公司 | Nuclear power station dynamic simulation test system and test method |
| CN109782171A (en) * | 2019-01-28 | 2019-05-21 | 浙江浙能技术研究院有限公司 | A kind of anti-jamming traction device for being detected in generator thorax |
| CN109782170A (en) * | 2019-01-28 | 2019-05-21 | 浙江浙能技术研究院有限公司 | Intelligent checking system in the generator thorax of rotor is not taken out |
| CN109782171B (en) * | 2019-01-28 | 2020-10-23 | 浙江浙能技术研究院有限公司 | Anti-blocking traction device for detection in generator chamber |
| CN109782170B (en) * | 2019-01-28 | 2020-10-27 | 浙江浙能技术研究院有限公司 | Generator bore inner intelligent detection system without rotor extraction |
| CN109991539A (en) * | 2019-03-29 | 2019-07-09 | 广西防城港核电有限公司 | Multiphase corner connection brushless exciter rotating diode one-phase open circuit detection method and system |
| CN109991539B (en) * | 2019-03-29 | 2021-06-22 | 广西防城港核电有限公司 | Method and system for detecting one-phase open circuit of rotating diode of multiphase angle connection brushless exciter |
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Address after: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |