CN116044640B - Intelligent monitoring and processing system for peristaltic movement of water turbine and operation mode - Google Patents
Intelligent monitoring and processing system for peristaltic movement of water turbine and operation mode Download PDFInfo
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- CN116044640B CN116044640B CN202310012448.4A CN202310012448A CN116044640B CN 116044640 B CN116044640 B CN 116044640B CN 202310012448 A CN202310012448 A CN 202310012448A CN 116044640 B CN116044640 B CN 116044640B
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- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 206
- 238000012545 processing Methods 0.000 title claims abstract description 130
- 238000012544 monitoring process Methods 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 230000033001 locomotion Effects 0.000 title claims description 34
- 230000003993 interaction Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000007547 defect Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/008—Measuring or testing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Water Turbines (AREA)
Abstract
The peristaltic intelligent monitoring processing system of the water turbine comprises an intelligent monitoring system, a peristaltic intelligent processing system and a man-machine interaction system, wherein the intelligent monitoring system comprises a generator set judging subsystem and a peristaltic monitoring subsystem, the peristaltic intelligent processing system comprises a first peristaltic processing device and a second peristaltic processing device, and the man-machine interaction system comprises an alarm subsystem and an information interaction subsystem; the generator set judging subsystem firstly judges the running state of the water turbine generator set, then the peristaltic monitoring subsystem sends the monitored data to the peristaltic intelligent processing system, and the information interaction transmission is carried out with the outside at any time through the Cheng Zhongren machine interaction system; the method can not only quickly and accurately find out the peristaltic faults of the water turbine, but also eliminate the faults in the first time, avoid the situation that the water turbine generator cannot be started and connected with the grid, and simultaneously improve the service life of the water turbine generator.
Description
Technical Field
The invention belongs to the technical field of intelligent monitoring systems, and particularly relates to an intelligent monitoring and processing system for peristaltic movement of a water turbine and an operation mode.
Background
The peristaltic movement of the hydraulic generator means that the hydraulic turbine runs at a low revolution, the rotating speed is usually lower than 5% of rated value, the root cause of the peristaltic movement of the hydraulic turbine is that after the hydraulic turbine is stopped, water leaks in the hydraulic turbine due to the fact that the guide vanes are not tightly closed, the hydraulic turbine is driven to rotate at a low speed after the water leakage amount is increased, and then the peristaltic movement of the hydraulic generator is formed, and the rotational speed is lower when the peristaltic movement of the hydraulic turbine occurs, so that the peristaltic movement of the hydraulic turbine is not easy to perceive.
The creep of the hydraulic generator has great damage to the unit bearing, the creep of the unit mainly damages the thrust bearing for the unit with a vertical structure, and the creep of the unit can damage both the guide bearing and the thrust bearing for the unit with a horizontal structure, and the creep time of the unit is too long, so that accidents such as dry friction and tile burning can be caused; in the prior art, an operation and maintenance personnel can additionally install a peristaltic detector on a high-head unit or a unit with small moment of inertia, which is easy to generate peristaltic motion, and when the unit generates peristaltic motion in a shutdown state, the peristaltic detector can give an action alarm and remind the personnel to process in time; although the peristaltic fault of the water turbine can be found in time, the peristaltic fault eliminating device cannot automatically eliminate the defect, and for a medium-low water head unit, due to the fact that the peristaltic probability is low and the range is small, the peristaltic detector cannot accurately detect and form detection blanks sometimes, and inspection staff can ignore similar fault points generally.
Disclosure of Invention
In view of the technical problems existing in the background art, the intelligent monitoring and processing system for the peristaltic movement of the water turbine and the operation mode thereof provided by the invention not only can rapidly and accurately discover the peristaltic movement fault of the water turbine, but also can eliminate the fault in the first time, thereby avoiding the situation that the water turbine generator cannot be started and connected with the grid, and prolonging the service life of the water turbine generator.
In order to solve the technical problems, the invention adopts the following technical scheme:
the peristaltic intelligent monitoring processing system of the water turbine comprises an intelligent monitoring system, a peristaltic intelligent processing system and a man-machine interaction system, wherein the intelligent monitoring system comprises a generator set judging subsystem and a peristaltic monitoring subsystem, the peristaltic intelligent processing system comprises a first peristaltic processing device and a second peristaltic processing device, and the man-machine interaction system comprises an alarm subsystem and an information interaction subsystem; the generator set judging subsystem firstly judges the running state of the water turbine generator set, then the peristaltic monitoring subsystem sends the monitored data to the peristaltic intelligent processing system, and the Cheng Zhongren machine interaction system performs information interaction transmission with the outside at any time.
In the preferred scheme, the generator set judging subsystem divides the running state of the water turbine generator set into four states, wherein the four states are a grid-connected running state of the generator set, a shutdown standby state of the generator set, a maintenance state of the generator set and a defect eliminating state of the generator set.
In the preferred scheme, the first peristaltic processing device adopts a braking principle and adopts electric drive, and the second peristaltic processing device adopts a wind gate principle and adopts pneumatic drive.
In a preferred scheme, the peristaltic intelligent processing system comprises two sets of starting modes, namely starting a single peristaltic processing device and starting two peristaltic processing devices.
In the preferred scheme, the alarm subsystem is provided with a peristaltic alarm module, a throw-in alarm module, a continuous alarm module, two peristaltic processing alarm modules and a timeout alarm module.
In a preferred scheme, the information interaction subsystem comprises a monitoring information display module, a parameter setting module, an alarm display module, an alarm prompt module and a peristaltic processing monitoring module.
The operation mode of the intelligent monitoring and processing system for the peristaltic movement of the water turbine comprises the following steps:
step1: the intelligent monitoring system is put into operation, and the generator set judging subsystem monitors and judges the running state of the water turbine in real time;
step2: when the water turbine is found to generate peristaltic motion, the peristaltic motion monitoring subsystem judges the peristaltic motion condition of the water turbine and sends out a corresponding instruction signal;
Step3: the peristaltic intelligent processing system receives signals sent by the peristaltic monitoring subsystem and immediately controls the peristaltic processing device to be put into use and performs peristaltic braking processing;
Step4: the peristaltic condition of the water turbine disappears, and the intelligent monitoring system is put into operation again and continuously monitors the subsequent operation state of the water turbine.
In Step1, when the generator set judging subsystem inquires that the water turbine generator set is in a generator set grid-connected running state and a generator set maintenance state, the intelligent monitoring system and the intelligent processing system are in an exit state; when the generator set judging subsystem inquires that the water turbine generator set is in a generator set shutdown standby state, the intelligent monitoring system and the peristaltic intelligent processing system are in an input state; when the water turbine generator set is in the generator set defect eliminating state, the intelligent monitoring system is in the input state and the peristaltic intelligent processing system is in the exit state.
In Step3, the peristaltic intelligent processing system firstly inputs one peristaltic processing device and performs peristaltic braking processing when processing peristaltic, then the intelligent monitoring system monitors whether the peristaltic is continuously present, and inputs the other peristaltic processing device and continuously performs peristaltic braking processing when the intelligent monitoring system monitors that the peristaltic is still present in the water turbine unit until the peristaltic is completely disappeared.
The following beneficial effects can be achieved in this patent:
1. The generator set judging subsystem in the system can judge the running state of the generator set of the water turbine, and when the water turbine is in a peristaltic state, the peristaltic intelligent processing system can quickly eliminate defects, so that the loss caused by the incapability of starting the water turbine set is avoided;
2. The peristaltic processing devices are adopted in the system, when one set of peristaltic processing devices fails or fails to completely eliminate the failure, the other set of peristaltic processing devices can be rapidly put into use, so that the peristaltic failure can be completely processed by the system, and the damage of power generation equipment is further avoided;
3. the system can monitor the running state of the water turbine generator set in real time, and can effectively avoid accidents that the water turbine cannot be started up normally and run in a grid-connected mode due to abnormal running.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a block diagram of a peristaltic intelligent processing system of the present invention;
FIG. 2 is a block diagram of the intelligent monitoring system of the present invention;
FIG. 3 is a block diagram of a human-computer interaction system of the present invention;
FIG. 4 is a flow chart of the overall system of the present invention;
FIG. 5 is a flow chart of the operation of the generating set decision subsystem of the present invention.
In the figure: the intelligent monitoring system 1, the generator set judging subsystem 101, the peristaltic monitoring subsystem 102, the peristaltic intelligent processing system 2, the first peristaltic processing device 201, the second peristaltic processing device 202, the man-machine interaction system 3, the alarm subsystem 301, the peristaltic alarm module 3011, the input alarm module 3012, the continuous alarm module 3013, the two sets of peristaltic processing alarm modules 3014, the timeout alarm module 3015, the information interaction subsystem 302, the monitoring information display module 3021, the parameter setting module 3022, the alarm display module 3023, the alarm prompt module 3024 and the peristaltic processing monitoring module 3025.
Detailed Description
As shown in fig. 1 to 3, a peristaltic intelligent monitoring and processing system of a water turbine comprises an intelligent monitoring system 1, a peristaltic intelligent processing system 2 and a man-machine interaction system 3, wherein the intelligent monitoring system 1 comprises a generator set judging subsystem 101 and a peristaltic monitoring subsystem 102, the peristaltic intelligent processing system 2 comprises a first peristaltic processing device 201 and a second peristaltic processing device 202, and the man-machine interaction system 3 comprises an alarm subsystem 301 and an information interaction subsystem 302; the generator set judging subsystem 101 firstly judges the running state of the water turbine generator set, then the peristaltic monitoring subsystem 102 sends the monitored data to the peristaltic intelligent processing system 2, and the man-machine interaction system 3 performs information interaction transmission with the outside at any time in the process.
As shown in fig. 5, the generator set judging subsystem 101 divides the operation states of the water turbine generator set into four states, which are a generator set grid-connected operation state, a generator set shutdown standby state, a generator set maintenance state and a generator set defect elimination state; the generator set judging subsystem 101 mainly judges through a generator set outlet breaker, when the breaker is in a combined position, the generator set is in a grid-connected operation state, when the breaker is in a breaking position, the generator set is in a shutdown standby state, and the generator set maintenance state and the generator set defect eliminating state are set by staff in man-machine interaction.
The preferred scheme is as shown in fig. 1, the first peristaltic processing device 201 adopts a braking principle and adopts electric driving, a plurality of brake pads are arranged around the outer ring of the rotor, and the motor is utilized for driving, when a control system sends out peristaltic processing commands, a driving motor is started to start peristaltic processing, after the peristaltic phenomenon is eliminated, the control system sends out commands after a certain time interval of device action, the driving motor stops working, and the brake pads are reset;
The second peristaltic processing device 202 adopts the air brake principle and adopts pneumatic driving, and by arranging a plurality of brakes along the outer ring of the rotor, a set of air storage devices can be independently installed to perform peristaltic processing by using a power plant air system as power. When the control system sends out peristaltic processing command, the air system brake is started, peristaltic processing is started, after peristaltic phenomenon is eliminated, the control system sends out command after the device acts for a certain time interval, the air system brake stops working, and the brake is reset.
The preferred scheme is shown in fig. 4, the peristaltic intelligent processing system 2 comprises two sets of starting modes, namely starting a single peristaltic processing device and starting two peristaltic processing devices respectively;
When a single peristaltic processing device is adopted, a worker determines which peristaltic processing device to start, and when the peristaltic processing device is set, the peristaltic processing device does not need to be set again. For example: when a worker selects a first peristaltic processing device, the peristaltic monitoring device monitors peristaltic phenomenon, the system sends out a control command, the peristaltic processing device is started, and when the peristaltic phenomenon is monitored again after the peristaltic phenomenon disappears, the peristaltic processing device is still started;
When two peristaltic processing devices are adopted, the relevant setting is firstly carried out, and the peristaltic processing devices are started immediately after the peristaltic monitoring devices monitor the peristaltic phenomenon, and when the peristaltic phenomenon still exists after the peristaltic processing devices are put into one peristaltic processing device for a certain time (the time can be set), the other peristaltic processing device is started until the peristaltic phenomenon disappears. When the peristaltic phenomenon is again monitored, the peristaltic processing device is started first and then started, similar to a rotation start.
The preferred scheme is as shown in fig. 3, the alarm subsystem 301 is provided with a peristaltic alarm module 3011, a throw-in alarm module 3012, a continuous alarm module 3013, two peristaltic processing alarm modules 3014 and a timeout alarm module 3015;
The peristaltic alarm module 3011 performs real-time peristaltic monitoring, when peristaltic conditions are monitored, immediately alarms in the human-computer interaction device and performs peristaltic processing, at the moment, the alarm is continuous, voice alarm and message alarm are performed, the message alarm automatically returns after the peristaltic conditions disappear, the voice alarm needs to be manually confirmed and then is eliminated, and the staff is ensured to find the peristaltic conditions in time;
After the input alarm module 3012 is input, an alarm device in the man-machine interaction system immediately alarms to prompt a duty worker, and after the worker confirms the alarm, the worker monitors the peristaltic processing process;
When a set of peristaltic processing device is put into a certain time, the peristaltic condition still exists, at the moment, the continuous warning module 3013 of the man-machine interaction device starts to give an alarm to prompt the staff that the peristaltic condition still exists, the alarm has voice alarm and message alarm, the voice alarm needs to be eliminated after being confirmed manually, and the message alarm is automatically reset after the peristaltic condition is eliminated;
After a set of peristaltic processing devices is put into, the peristaltic situation can not be processed, after a certain time delay (the time delay can be set by a man-machine interaction device), a second set of peristaltic processing devices is put into, after the second set of peristaltic processing devices is put into, two sets of peristaltic processing alarm modules 3014 immediately alarm, and the message alarm is that the two sets of peristaltic processing devices are started simultaneously and accompanied by voice alarm, the voice alarm needs to be eliminated after being confirmed by staff, and the message alarm is automatically reset after the peristaltic phenomenon is eliminated;
when the two peristaltic processing devices run simultaneously and the running time is too long, the peristaltic phenomenon is not eliminated, the overtime alarm module 3015 gives an alarm, and the voice alarm and the message alarm indicate that the peristaltic processing devices cannot effectively process peristaltic movement and other operations are needed to process peristaltic movement.
As shown in fig. 3, the information interaction subsystem 302 includes a monitoring information display module 3021, a parameter setting module 3022, an alarm display module 3023, an alarm prompt module 3024 and a peristaltic processing monitoring module 3025;
The information display module 3021 can display various monitoring information, peristaltic processing conditions, generator set rotating speed conditions and the like, and workers can check various information in the man-machine interaction device, so that later-stage work can be conveniently carried out;
The parameter setting module 3022 mainly performs various operation parameter settings, such as: setting parameters such as peristaltic real-time monitoring time interval, peristaltic processing time and the like;
the alarm display module 3023 is used for displaying the message alarm of the peristaltic processing device and prompting the staff to process in time;
The peristaltic processing monitoring module 3025 is configured to continuously detect operation of the water turbine, and immediately perform peristaltic intelligent processing when the generator set has peristaltic conditions, and after a certain time interval, the peristaltic processing monitoring module 3025 performs peristaltic real-time monitoring again, and after the peristaltic conditions are detected to disappear, the peristaltic processing device is withdrawn, and the peristaltic processing monitoring module 3025 continuously performs real-time monitoring.
The operation mode of the intelligent monitoring and processing system for the peristaltic movement of the water turbine comprises the following steps:
Step1: the intelligent monitoring system 1 is put into operation, and the generator set judging subsystem 101 monitors and judges the running state of the water turbine in real time;
Step2: when the water turbine is found to generate peristaltic motion, the peristaltic motion monitoring subsystem 102 judges the peristaltic motion condition of the water turbine and sends out a corresponding instruction signal;
Step3: the peristaltic intelligent processing system 2 receives signals sent by the peristaltic monitoring subsystem 102, and immediately controls the peristaltic processing device to be put into use and performs peristaltic braking treatment;
step4: the peristaltic situation of the water turbine disappears, and the intelligent monitoring system 1 is put into operation again and continuously monitors the subsequent operation state of the water turbine.
In Step1, when the generator set judging subsystem 101 inquires that the water turbine generator set is in a generator set grid-connected running state and a generator set maintenance state, the intelligent monitoring system 1 and the intelligent processing system 2 are in an exit state; when the generator set judging subsystem 101 inquires that the water turbine generator set is in a generator set shutdown standby state, the intelligent monitoring system 1 and the peristaltic intelligent processing system 2 are in an input state; when the water turbine generator set is in the generator set defect eliminating state, the intelligent monitoring system 1 is in the input state and the peristaltic intelligent processing system 2 is in the exit state.
In Step3, the peristaltic intelligent processing system 2 firstly inputs a set of peristaltic processing device and performs peristaltic braking processing when processing peristaltic, then the intelligent monitoring system 1 monitors whether peristaltic is continuously present, and when the intelligent monitoring system 1 monitors that peristaltic is still present in the hydro-turbine set, the peristaltic intelligent processing system 2 inputs another set of peristaltic processing device and continuously performs peristaltic braking processing until peristaltic is completely disappeared.
The above embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the technical features described in the present invention can be combined with each other without collision. The protection scope of the present invention is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (4)
1. The utility model provides a hydraulic turbine peristaltic intelligent monitoring processing system, system includes intelligent monitoring system (1), peristaltic intelligent processing system (2) and human-computer interaction system (3), its characterized in that: the intelligent monitoring system (1) comprises a generator set judging subsystem (101) and a peristaltic monitoring subsystem (102), the peristaltic intelligent processing system (2) comprises a first peristaltic processing device (201) and a second peristaltic processing device (202), and the man-machine interaction system (3) comprises an alarm subsystem (301) and an information interaction subsystem (302); the generator set judging subsystem (101) firstly judges the running state of the water turbine generator set, then the peristaltic monitoring subsystem (102) sends monitored data to the peristaltic intelligent processing system (2), and the man-machine interaction system (3) performs information interaction transmission with the outside at any time in the process;
The generator set judging subsystem (101) divides the running state of the water turbine generator set into four states which are a generator set grid-connected running state, a generator set shutdown standby state, a generator set maintenance state and a generator set defect eliminating state respectively;
When the generator set judging subsystem (101) inquires that the water turbine generator set is in a generator set grid-connected operation state and a generator set maintenance state, the intelligent monitoring system (1) and the intelligent processing system (2) are in an exit state; when the generator set judging subsystem (101) inquires that the water turbine generator set is in a generator set shutdown standby state, the intelligent monitoring system (1) and the peristaltic intelligent processing system (2) are in an input state; when the water turbine generator set is in a generator set defect eliminating state, the intelligent monitoring system (1) is in a put-in state and the peristaltic intelligent processing system (2) is in an exit state;
When the peristaltic intelligent processing system (2) processes peristaltic motion, a set of peristaltic motion processing device is firstly put into the peristaltic motion braking processing, then the intelligent monitoring system (1) can monitor whether peristaltic motion continuously exists, and when the intelligent monitoring system (1) monitors that peristaltic motion still exists in the hydro-turbine unit, another set of peristaltic motion processing device is put into the peristaltic motion processing device and continuously carries out peristaltic motion braking processing until the peristaltic motion completely disappears.
2. The intelligent monitoring and processing system for peristaltic movement of a water turbine according to claim 1, wherein: the first peristaltic processing device (201) adopts a brake principle and adopts electric driving, and the second peristaltic processing device (202) adopts a wind brake principle and adopts pneumatic driving.
3. The intelligent monitoring and processing system for peristaltic movement of a water turbine according to claim 1, wherein: the alarm subsystem (301) is provided with a peristaltic alarm module (3011), a throw-in alarm module (3012), a continuous alarm module (3013), two peristaltic processing alarm modules (3014) and a timeout alarm module (3015).
4. The intelligent monitoring and processing system for peristaltic movement of a water turbine according to claim 1, wherein: the information interaction subsystem (302) comprises a monitoring information display module (3021), a parameter setting module (3022), an alarm display module (3023), an alarm prompt module (3024) and a peristaltic processing monitoring module (3025).
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