CN207799037U - Monitoring device, generator's motor shaft and the steam turbine of generator's motor shaft operating status - Google Patents
Monitoring device, generator's motor shaft and the steam turbine of generator's motor shaft operating status Download PDFInfo
- Publication number
- CN207799037U CN207799037U CN201820222698.5U CN201820222698U CN207799037U CN 207799037 U CN207799037 U CN 207799037U CN 201820222698 U CN201820222698 U CN 201820222698U CN 207799037 U CN207799037 U CN 207799037U
- Authority
- CN
- China
- Prior art keywords
- carbon brush
- generator
- motor shaft
- monitoring device
- grounding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to a kind of monitoring devices of generator's motor shaft operating status, including sampling carbon brush, grounding carbon brush, insulating support, signal monitoring device and earthing or grounding means；Insulating support is set on the radial section of generator's motor shaft, and insulating support is equipped with sampling carbon brush and grounding carbon brush；Sampling carbon brush and grounding carbon brush are contacted with the surface of the radial section of generator's motor shaft respectively；Sampling carbon brush and grounding carbon brush are electrically connected with signal monitoring device；Grounding carbon brush is grounded by earthing or grounding means；Voltage waveform and typical waveform are compared the operating status that analysis obtains generator's motor shaft by the voltage waveform between signal monitoring device monitoring sampling carbon brush and grounding carbon brush.The program obtains the shaft voltage that generator's motor shaft radial section generates, and the operating status of the comparative analysis result monitoring generator's motor shaft of the waveform and typical waveform according to shaft voltage realizes the accurate measurements to the operating status of generator's motor shaft.A kind of generator's motor shaft and steam turbine are also provided.
Description
Technical field
The utility model is related to technical field of motors, the monitoring more particularly to a kind of generator's motor shaft operating status fills
It sets, generator's motor shaft and steam turbine.
Background technology
Generator is at runtime due to field circuit asymmetry of the stator of generator and rotor etc. so that is attached to hair
Electrostatic charge quantity on the big axis of motor, which changes, generates shaft voltage, and harmful effect is caused to the operation of generator.
In terms of the shaft voltage harm for eliminating generator, it is typically employed in bearing bottom of the generator's motor shaft close to exciter end
Seat installs reliable insulation spacer additional, forms the mode of big axis single-point grounding, and formation current loop reaches between avoiding two bearings
The effect of shaft voltage is eliminated, can also one or two be installed simultaneously on the outside of bearing at turbine end in generator's motor shaft simultaneously
The United Nations General Assembly's axis grounding carbon brush is grounded using ground signalling device, if generating the reasons such as the bad electric leakage of shaft voltage, rotor insulation makes greatly
Axis charges, and electric current can be guided into the earth by carbon brush in time, and ground signalling device warns signal, to the shaft voltage of generator's motor shaft
It is monitored so as to judge the operation conditions of generator's motor shaft, convenient for carrying out respective handling to big axis.
Multiple voltage signal sampling points are usually arranged in traditional technology on the axial direction of generator's motor shaft, acquire generator
The shaft voltage signals generated when big axis operation, the operation conditions of generator's motor shaft is judged by the shaft voltage signals acquired.However, this
Kind of technology causes big to generator since the signal relevance between each signal sampling point for being arranged on generator's motor shaft is weak
The reliability that the operation conditions of axis is monitored is relatively low.
Utility model content
Based on this, it is necessary to for the low problem of traditional technology reliability, provide a kind of generator's motor shaft operating status
Monitoring device, generator's motor shaft and steam turbine.
A kind of monitoring device of generator's motor shaft operating status, including sampling carbon brush, grounding carbon brush, insulating support, signal
Monitoring device and earthing or grounding means；
The insulating support is set on the radial section of generator's motor shaft, and the insulating support is equipped with sampling carbon brush and connects
Ground carbon brush；
The sampling carbon brush and grounding carbon brush are connected with the surface of the radial section of generator's motor shaft respectively；
The sampling carbon brush and grounding carbon brush are electrically connected with the signal monitoring device respectively；The grounding carbon brush is by connecing
Ground device ground connection；
The signal monitoring device is used to obtain the voltage waveform between the sampling carbon brush and grounding carbon brush, according to the electricity
The operating status of corrugating and the result monitoring generator's motor shaft of typical waveform comparing analysis.
The monitoring device of above-mentioned generator's motor shaft operating status, samples carbon brush and grounding carbon brush is located at the diameter of generator's motor shaft
To section and it is respectively connected to signal monitoring device, generator's motor shaft is grounded by grounding carbon brush by earthing or grounding means.Using the party
Case can obtain the shaft voltage of generator's motor shaft radial section generation, the comparative analysis of waveform and typical waveform according to shaft voltage
As a result the operating status for monitoring generator's motor shaft, improves the reliability and validity of shaft voltage signals data, overcomes tradition
The weak problem for causing reliability low of relevance between each sampled point of technology shaft voltage signals, realizes to generator's motor shaft
The accurate measurements of operating status.
In one embodiment, the sampling carbon brush includes the first sampling carbon brush and the second sampling carbon brush；The ground connection carbon
Brush includes the first grounding carbon brush and the second grounding carbon brush；
The first sampling carbon brush and the second sampling carbon brush are coupled to the signal monitoring device；The first ground connection carbon
Brush and the second grounding carbon brush are connected in parallel to the earthing or grounding means, are also connected in parallel to the signal monitoring device.
In one embodiment, the first sampling carbon brush, the first grounding carbon brush, the second sampling carbon brush and the second ground connection carbon
Brush cross-distribution on insulating support is arranged.
In one embodiment, the signal monitoring device is used to obtain the voltage wave between sampling carbon brush and grounding carbon brush
Shape extracts the steady-state value and instantaneous value of the shaft voltage of generator's motor shaft from the voltage waveform, according to steady-state value and instantaneous value
The operating status of monitoring generator's motor shaft in real time is compared with typical waveform data.
In one embodiment, the signal monitoring device is additionally operable to the generator's motor shaft is normal under different operating modes
The typical waveform data of operation are recorded, the Wave data source that the typical waveform data of record are analyzed as a comparison.
In one embodiment, the earthing or grounding means includes shunt resistance and ammeter in parallel；The shunting of the parallel connection
Resistance connects grounding carbon brush with ammeter one end, and the other end is grounded.
In one embodiment, the through-flow value of the shunt resistance matches selection with the earth protective device of generator.
In one embodiment, the resistance value of the shunt resistance matches selection with the range of ammeter.
In one embodiment, a kind of generator's motor shaft is provided, is equipped on the section of the generator's motor shaft as above any
The monitoring device of generator's motor shaft operating status described in embodiment.
In one embodiment, a kind of steam turbine is provided, which includes the generator's motor shaft described in embodiment as above.
Description of the drawings
Fig. 1 is the structural schematic diagram of the monitoring device of the generator's motor shaft operating status in one embodiment；
Fig. 2 is the structural schematic diagram of the monitoring device of the generator's motor shaft operating status in another embodiment；
Fig. 3 is the electrical wiring schematic diagram of the monitoring device of the generator's motor shaft operating status in one embodiment.
Specific implementation mode
Below in conjunction with the accompanying drawings to the specific implementation mode of the monitoring device of the generator's motor shaft operating status of the utility model
It is described in detail.
In one embodiment, a kind of monitoring device of generator's motor shaft operating status is provided, as shown in FIG. 1, FIG. 1 is one
The structural schematic diagram of the monitoring device of generator's motor shaft operating status in a embodiment, the monitoring device may include：Sampling
Carbon brush 110, grounding carbon brush 120, insulating support 100, signal monitoring device 200 and earthing or grounding means 300；Insulating support 100 is arranged
On the radial section of generator's motor shaft, insulating support 100 is equipped with sampling carbon brush 110 and grounding carbon brush 120, the insulating support
100 when being installed to generator's motor shaft sampling carbon brush 110 and grounding carbon brush 120 can cut with the radial direction of generator's motor shaft respectively
The surface in face is contacted, and the sampling carbon brush 110 and grounding carbon brush 120 are electrically connected with signal monitoring device 200 respectively, are connect
Ground carbon brush 120 is also grounded by earthing or grounding means 300.
In the present embodiment, sampling carbon brush 110 is used to acquire the electric signal of generator's motor shaft, and grounding carbon brush 120 is for leading to
It crosses earthing or grounding means 300 to be grounded generator's motor shaft, signal monitoring device 200 is for monitoring sampling carbon brush 110 and grounding carbon brush 120
Between voltage waveform, and the voltage waveform and the typical waveform that prestores are compared into the operation shape that analysis obtains generator's motor shaft
The signal monitorings equipment such as oscillograph may be used in state, wherein signal monitoring device 200, and typical waveform may include that the generator is big
The Wave data for the electric signal that axis generated during former operation.
The present embodiment can utilize insulating support 100 that will sample carbon brush 110 and grounding carbon brush 120 mounted on hair to be monitored
The same radial section of the big axis of motor so that the table of generator's motor shaft can be touched by sampling carbon brush 110 and grounding carbon brush 120
In general face can select the sampling carbon brush 110 and grounding carbon brush 120 of characteristic close.
In generator's motor shaft operational process, sampling carbon brush 110 can collect generator's motor shaft and be produced in the radial surface
Generator's motor shaft is grounded by earthing or grounding means 300 to meet big axis ground connection just by raw shaft voltage signals, grounding carbon brush 120
It often requires, can also be the signal reference point that signal monitoring device 200 provides monitoring shaft voltage signals, signal monitoring device 200
Monitoring in real time can will be obtained by the current shaft voltage signals of the generator's motor shaft for sampling carbon brush 110 and the acquisition of grounding carbon brush 120
The voltage waveform taken is compared to obtain generator's motor shaft current operating situation with history Wave data.
In actual use, for the asymmetric situation of the field circuit of generator unit stator, rotor, due to stator,
The magnetic field of rotor and its distribution are changed, and the electrostatic charge quantity being attached on big axis changes, can be by shaft voltage
Waveform carries out the symmetrical analysis in magnetic field, and to judge whether generator unit stator, rotor turn-to-turn short circuit, slot wedge loosening, end occur solid
Determine situations such as device loosens；For another example in steamer vapour system, if steam carries water droplet, impact friction steam turbine last stage is moved
Blade generates a large amount of electrostatic charge, and the band of steam-turbine system in operation is may determine that by the analysis of electrostatic charge situation of change
Regimen condition can provide foundation for unit optimizing operation.
The monitoring device of the generator's motor shaft operating status of above-described embodiment, samples carbon brush 110 and grounding carbon brush 120 is located at
The radial section of generator's motor shaft is simultaneously respectively connected to signal monitoring device 200, and grounding carbon brush 120 will by earthing or grounding means 300
Generator's motor shaft is grounded.The shaft voltage that the generation of generator's motor shaft radial section can be obtained using the program, according to shaft voltage
The comparative analysis result of waveform and typical waveform monitors the operating status of generator's motor shaft, and improve shaft voltage signals data can
By property and validity, overcome that the relevance between each sampled point of traditional technology shaft voltage signals is weak to cause reliability is low to ask
Topic, realizes the accurate measurements to the operating status of generator's motor shaft.
If Fig. 2, Fig. 2 are the structural schematic diagram of the monitoring device of the generator's motor shaft operating status in another embodiment,
In one embodiment, sampling carbon brush 110 may include the first sampling carbon brush 111 and second sampling carbon brush 112, grounding carbon brush
120 may include the first grounding carbon brush 121 and the second grounding carbon brush 122；First sampling carbon brush 111 and second samples carbon brush 112
It is connected in parallel to signal monitoring device 200, the first sampling carbon brush 111 and second samples carbon brush 112 and is located at insulating support 100 not
With the electric signal that on position, can be used for acquiring different sampled points on the same radial section of generator's motor shaft；First grounding carbon brush
121 and second grounding carbon brush 122 be connected in parallel to earthing or grounding means 300, for by the radial section different location of generator's motor shaft
Point is grounded, and the first grounding carbon brush 121 and the second grounding carbon brush 122 are also connected in parallel to signal monitoring device 200, also provide for
Signal monitoring device 200 monitors the voltage reference points of shaft voltage signals.
With reference to figure 3, Fig. 3 is the electrical wiring principle of the monitoring device of the generator's motor shaft operating status in one embodiment
Figure, the present embodiment, can be in the same radial sections of big axis mainly by the way that two sampling carbon brush and two grounding carbon brushs are arranged
Different location point acquire multigroup electrical signal data so that signal monitoring device 200 can pass through two groups of sampling carbon brush and ground connection
Signal data of the shaft voltage on radial section is obtained in carbon brush, and to ensure the reliability of data, big axis is run to improve
The accuracy that state is monitored.
Optionally, in order to further increase the reliability of electrical signal data, sampling carbon brush and grounding carbon brush can be intersected
Arrangement is mounted on insulating support 100, the arrangement mode of this carbon brush can each carbon brush with the contact situation of big axis be highly one
It causes, that is to say, that when generator's motor shaft is run, power generation can be acquired on equally spaced sample point by each carbon brush
Electric signal of the machine large-diameter on section so that the voltage signal data of acquisition is more acurrate, ensure that big axis operating status is online
The reliability and validity of monitoring.
In one embodiment, signal monitoring device 200 can be further used for obtain sampling carbon brush and grounding carbon brush it
Between voltage waveform, from the voltage waveform extract generator's motor shaft shaft voltage steady-state value and instantaneous value, by shaft voltage
Steady-state value and instantaneous value are compared with the typical waveform data to prestore, and generator's motor shaft is monitored in real time according to analysis result
Operating status.
Generator's motor shaft will produce shaft voltage when running, the present embodiment is mainly supervised by signal monitoring device 200 in real time
Survey voltage waveform between sampling carbon brush and grounding carbon brush, obtain the shape information of shaft voltage, including the steady state values of shaft voltage and
The information such as the instantaneous value of shaft voltage, i.e. frequency characteristic are divided the steady-state value of shaft voltage and instantaneous value with history Wave data
Analysis comparison, the result according to analysis comparison obtain the current operating status of generator's motor shaft, reach and monitor big axis operation shape in real time
The effect of state.
In one embodiment, the monitoring of signal monitoring device 200 sampling carbon brush and ground connection with recording function may be used
Voltage waveform between carbon brush, the signal monitoring device 200 can be also used under different operating modes normally transporting generator's motor shaft
Capable typical waveform data are recorded, and the typical waveform data of record are preserved, the Wave data analyzed as a comparison
Source.
With reference to figure 2, in one embodiment, earthing or grounding means 300 may include the shunt resistance 320 and electric current being connected in parallel
Table 310；The shunt resistance 320 of the parallel connection and wherein one end of ammeter 310 can be connected to grounding carbon brush, and the other end is connect
Ground, the earth current for obtaining generator's motor shaft.
In the present embodiment, with reference to figure 3, Fig. 3 is the monitoring device of the generator's motor shaft operating status in one embodiment
Electrical wiring schematic diagram, shunt resistance 320 provides earth point for being grounded grounding carbon brush for big axis, it is possible to understand that
, the resistance value of shunt resistance 320 is generally much less than the contact resistance of carbon brush and big axis, earthing effect can consider be equal to by
Carbon brush is directly grounded.Ammeter 310 is used to monitor the electric current i.e. shaft current of shunt resistance 320, and ammeter 310 can pass through measurement
The pressure drop of shunt resistance 320 is worth to the earth current of generator's motor shaft in real time come measure earth current.
The resistance value of shunt resistance 320 can match setting with the range of ammeter 310, such as may be used 0.005 ohm
The shunt resistance 320 of resistance value can also match while not influencing big axis earthing effect with ammeter 310.Shunt resistance
320 through-current capability usually requires to match selection with the earth protective device of generator, and it is 20 amperes that can select through-current capability
Shunt resistance 320.
Above-described embodiment can obtain connecing for generator's motor shaft using the shunt resistance 320 and ammeter 310 being connected in parallel
Earth-current, the operating status to monitor generator's motor shaft provide data and support, further increase and be monitored to operating status
Accuracy and reliability.
For the low problem of monitoring running state reliability of the traditional technology to generator's motor shaft, in one embodiment,
A kind of generator's motor shaft is also provided, the generator's motor shaft fortune described in any one embodiment as above is installed on the generator's motor shaft
The monitoring device of row state.
Using the generator's motor shaft of the present embodiment, the operating status of generator's motor shaft can be obtained in real time, ensure generator
The safe operation of big axis.
In one embodiment, a kind of steam turbine is provided, which includes generator's motor shaft as described above.
Steam turbine provided in this embodiment uses the generator's motor shaft of the utility model embodiment, can be to the hair of steam turbine
The big axis operating status of motor carries out accurate measurements, improves the safety of steam turbine operation.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of monitoring device of generator's motor shaft operating status, which is characterized in that including sampling carbon brush (110), grounding carbon brush
(120), insulating support (100), signal monitoring device (200) and earthing or grounding means (300)；
The insulating support (100) is set on the radial section of generator's motor shaft, and the insulating support (100) is equipped with sampling carbon
Brush (110) and grounding carbon brush (120)；
The sampling carbon brush (110) and grounding carbon brush (120) are connected with the surface of the radial section of generator's motor shaft respectively；
The sampling carbon brush (110) and grounding carbon brush (120) are electrically connected with the signal monitoring device (200) respectively；It is described to connect
Ground carbon brush (120) is grounded by earthing or grounding means (300)；
The signal monitoring device (200) is used to obtain the voltage wave between the sampling carbon brush (110) and grounding carbon brush (120)
Shape, the result according to the voltage waveform and the analysis of typical waveform comparing monitor the operating status of generator's motor shaft.
2. the monitoring device of generator's motor shaft operating status according to claim 1, which is characterized in that the sampling carbon brush
(110) include the first sampling carbon brush (111) and the second sampling carbon brush (112)；The grounding carbon brush (120) includes the first ground connection carbon
Brush (121) and the second grounding carbon brush (122)；
The first sampling carbon brush (111) and the second sampling carbon brush (112) are coupled to the signal monitoring device (200)；Institute
It states the first grounding carbon brush (121) and the second grounding carbon brush (122) is connected in parallel to the earthing or grounding means (300), be also connected in parallel to the letter
Number monitoring device (200).
3. the monitoring device of generator's motor shaft operating status according to claim 2, which is characterized in that first sampling
Carbon brush (111), the first grounding carbon brush (121), the second sampling carbon brush (112) and the second grounding carbon brush (122) are in insulating support
(100) cross-distribution is arranged on.
4. the monitoring device of generator's motor shaft operating status according to any one of claims 1 to 3, which is characterized in that institute
Signal monitoring device (200) is stated for obtaining the voltage waveform between sampling carbon brush and grounding carbon brush, from the voltage waveform
The steady-state value and instantaneous value for extracting the shaft voltage of generator's motor shaft are compared according to steady-state value and instantaneous value with typical waveform data
To analyzing the operating status of monitoring generator's motor shaft in real time.
5. the monitoring device of generator's motor shaft operating status according to claim 4, which is characterized in that the signal monitoring
Device (200) is additionally operable to that the typical waveform data of normal operation record under different operating modes by the generator's motor shaft, will
The Wave data source that the typical waveform data of record are analyzed as a comparison.
6. the monitoring device of generator's motor shaft operating status according to claim 4, which is characterized in that the earthing or grounding means
(300) include in parallel ammeter (310) and shunt resistance (320)；The ammeter (310) and shunt resistance of the parallel connection
(320) one end connects grounding carbon brush, and the other end is grounded.
7. the monitoring device of generator's motor shaft operating status according to claim 6, which is characterized in that the shunt resistance
(320) through-flow value matches selection with the earth protective device of generator.
8. the monitoring device of the generator's motor shaft operating status described according to claim 6 or 7, which is characterized in that the shunting
The resistance value of resistance (320) matches selection with the range of ammeter (310).
9. a kind of generator's motor shaft, which is characterized in that installation is just like any one of claim 1 to 8 on the section of generator's motor shaft
The monitoring device of the generator's motor shaft operating status.
10. a kind of steam turbine, which is characterized in that including generator's motor shaft as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222698.5U CN207799037U (en) | 2018-02-07 | 2018-02-07 | Monitoring device, generator's motor shaft and the steam turbine of generator's motor shaft operating status |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222698.5U CN207799037U (en) | 2018-02-07 | 2018-02-07 | Monitoring device, generator's motor shaft and the steam turbine of generator's motor shaft operating status |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207799037U true CN207799037U (en) | 2018-08-31 |
Family
ID=63276006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820222698.5U Active CN207799037U (en) | 2018-02-07 | 2018-02-07 | Monitoring device, generator's motor shaft and the steam turbine of generator's motor shaft operating status |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207799037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703090A (en) * | 2019-08-30 | 2020-01-17 | 江苏核电有限公司 | Generator shaft current detection device |
| CN110954753A (en) * | 2019-11-26 | 2020-04-03 | 中广核核电运营有限公司 | Device and method for measuring insulation to ground of excitation end sealing tile of generator |
-
2018
- 2018-02-07 CN CN201820222698.5U patent/CN207799037U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703090A (en) * | 2019-08-30 | 2020-01-17 | 江苏核电有限公司 | Generator shaft current detection device |
| CN110703090B (en) * | 2019-08-30 | 2022-04-19 | 江苏核电有限公司 | Generator shaft current detection device |
| CN110954753A (en) * | 2019-11-26 | 2020-04-03 | 中广核核电运营有限公司 | Device and method for measuring insulation to ground of excitation end sealing tile of generator |
| CN110954753B (en) * | 2019-11-26 | 2021-12-14 | 中广核核电运营有限公司 | Device and method for measuring insulation to ground of excitation end sealing tile of generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108303648A (en) | The monitoring device and its monitoring method of generator's motor shaft operating status | |
| Artigao et al. | Current signature analysis to monitor DFIG wind turbine generators: A case study | |
| Popa et al. | Condition monitoring of wind generators | |
| Chen et al. | Bearing corrosion failure diagnosis of doubly fed induction generator in wind turbines based on stator current analysis | |
| US10088506B2 (en) | Method for detecting a fault condition in an electrical machine | |
| CN103926506B (en) | Based on the rotor of steam turbo generator Winding Short Fault Diagnosis method of constructor | |
| CN103823150B (en) | Turbo generator rotor interturn short circuit fault diagnosis method of multi sensor joint | |
| Stone et al. | Objective methods to interpret partial-discharge data on rotating-machine stator windings | |
| CN101101319A (en) | Generator rotor interturn short-circuit state detection device | |
| CN101025430A (en) | Cage type asynchronous motor rotor strip-broken failure detecting method | |
| JP2005538371A (en) | Apparatus and method for monitoring and / or analyzing an electrical machine during operation | |
| CN207799037U (en) | Monitoring device, generator's motor shaft and the steam turbine of generator's motor shaft operating status | |
| Stone et al. | Unusual PD pulse phase distributions in operating rotating machines | |
| US11722079B2 (en) | Detection system and method for rotor dynamic turn-to-turn short circuit fault of synchronous generator | |
| Zamudio-Ramírez et al. | Smart sensor for fault detection in induction motors based on the combined analysis of stray-flux and current signals: A flexible, robust approach | |
| CN103792463A (en) | Steam-turbine generator rotor winding short trouble diagnosis method based on fictitious power principle | |
| CN106772039B (en) | Turn-to-turn short circuit of rotor winding of automobile turbine generator diagnostic method based on core through screw rod | |
| Kerszenbaum et al. | Utilization of repetitive surge oscillograph (RSO) in the detection of rotor shorted-turns in large turbine-driven generators | |
| JP2015010525A (en) | Method and apparatus for monitoring turbine blade state | |
| Stone et al. | Monitoring of shaft voltages and grounding currents in rotating machines | |
| CN212254562U (en) | Vibration monitoring system for moving blade of steam turbine | |
| EP0256845A2 (en) | Jet engine gas path condition monitoring | |
| Kheirmand et al. | Advances in online monitoring and localization of partial discharges in large rotating machines | |
| Hudon et al. | The importance of phase resolved partial discharge pattern recognition for on-line generator monitoring | |
| Sarma et al. | Condition monitoring of rotating electrical machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |