CN104765004A - Detection method and system for variable-pitch battery of wind generating set - Google Patents
Detection method and system for variable-pitch battery of wind generating set Download PDFInfo
- Publication number
- CN104765004A CN104765004A CN201510127840.9A CN201510127840A CN104765004A CN 104765004 A CN104765004 A CN 104765004A CN 201510127840 A CN201510127840 A CN 201510127840A CN 104765004 A CN104765004 A CN 104765004A
- Authority
- CN
- China
- Prior art keywords
- feathering
- generating set
- blade
- wind power
- power generating
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 71
- 230000008569 process Effects 0.000 claims abstract description 50
- 230000008859 change Effects 0.000 claims description 64
- 230000002123 temporal effect Effects 0.000 claims description 30
- 230000009471 action Effects 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 9
- 238000010248 power generation Methods 0.000 abstract description 6
- 210000003746 feather Anatomy 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 14
- 230000007257 malfunction Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 208000032953 Device battery issue Diseases 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Abstract
The embodiment of the invention provides a method and a system for detecting a variable-pitch battery of a wind generating set, wherein the method comprises the following steps: when the wind generating set is in a standby mode or a first fault mode, starting a variable pitch battery detection process, wherein the variable pitch battery detection process is used for carrying out the following blade control operation on at least one blade of the wind generating set, and comprises the following steps: controlling the blades of the wind generating set to be driven to open from 90 degrees to 15 degrees by adopting power supply of a power grid; after the power supply of a power grid is switched to the power supply of a variable-pitch battery, the blades are continuously driven to feather from 15 degrees to 90 degrees at present, and the time required by feathering is recorded; and triggering detection operation according to the size relation between the time required by feathering and a preset feathering time characteristic value. The technical scheme of the invention realizes safe and effective detection of the variable-pitch battery of the wind generating set and ensures that the normal power generation of the wind generating set is not influenced in the detection process.
Description
Technical field
The present invention relates to technical field of wind power, particularly relate to a kind of detection method and system of wind generating set pitch control battery.
Background technology
Wind power generating set (being called for short " unit ") becomes the back-up source that oar battery is wind generating set pitch control system, when the disconnection of wind power generating set theft-resistant link chain or grid cut-off, pitch-controlled system switches to back-up source, become the battery-operated pitch motor of oar, by blade feathering to home.
A kind of MW class wind turbine group pitch-controlled system battery automatically testing method is disclosed in prior art.The method need wind power generating set in the startup mode 80 ° to 50 ° drive oar during with becoming oar powered battery, carry out change oar battery testing; During the change oar powered battery of wind power generating set under grid-connect mode, control pitch-controlled system from 0 ° of feathering to 5 ° by master control system, then drive oar to 0 ° from 5 °; If become oar battery failure, then main electricity is used to carry out feathering.
Present invention applicant thinks above-mentioned change oar battery testing method, and there are the following problems: because the method is carried out under wind power generating set normal operation circumstances, therefore, have impact on the normal power generation of generator to a certain extent; Become oar battery power consumption limited, if become oar battery is not that complete failure is difficult to detect whether break down; In testing process, if grid cut-off and battery failure occur simultaneously, probably there is security incident, and there is certain potential safety hazard, and be not suitable for the high wind-powered electricity generation field of security requirement.
Summary of the invention
Embodiments of the invention provide a kind of detection method and system of wind generating set pitch control battery, to realize carrying out safe and effective detection to wind generating set pitch control battery, and guarantee the normal power generation not affecting wind power generating set in testing process.
For achieving the above object, The embodiment provides a kind of detection method of wind generating set pitch control battery, comprising:
When wind power generating set is in standby mode or Fisrt fault pattern, start and become oar battery detecting flow process, described change oar battery detecting flow process, into carrying out following blade control operation at least a slice blade of wind power generating set, comprising:
Control to adopt mains supply that the blade of wind power generating set is driven oar to 15 ° from 90 °;
Continue by described blade from current 15 ° of featherings to 90 ° after controlling described mains supply to be switched to change oar powered battery, and record feathering required time;
Magnitude relationship detection trigger according to described feathering required time and preset feathering temporal characteristics value operates.
Embodiments of the invention additionally provide a kind of detection system of wind generating set pitch control battery, and described detection system comprises: trigger action module and control module;
Described trigger action module, during for being in standby mode or Fisrt fault pattern in wind power generating set, triggering described control module and starts change oar battery detecting flow process;
Described control module, for carrying out blade control operation at least a slice blade of wind power generating set after the triggering receiving described startup change oar battery detecting flow process;
Described control module comprises:
First control module, adopts mains supply to drive the blade of wind power generating set to drive oar to 15 ° from 90 ° for controlling in described blade control operation;
Second control module, continues to drive described blade from current 15 ° of featherings to 90 °, and records feathering required time for control described mains supply to be switched to change oar powered battery in described blade control operation after;
Processing unit, for operating according to the magnitude relationship detection trigger of described feathering required time and preset feathering temporal characteristics value in described blade control operation.
The detection method of the wind generating set pitch control battery that the embodiment of the present invention provides and system, first the blade of wind power generating set is driven to drive oar to 15 ° from 90 ° by mains supply, and then switch to change oar battery powered drive blade from current 15 ° of featherings to 90 °, judge finally by the magnitude relationship analyzing feathering process required time and preset feathering temporal characteristics value the failure condition becoming oar battery, and trigger corresponding detection and operate and realize testing goal.Whole testing process is carried out under wind power generating set is in standby mode or Fisrt fault pattern simultaneously, does not affect the normal power generation of wind power generating set, and improves security.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of a detection method embodiment of wind generating set pitch control battery provided by the invention;
Fig. 2 is the method flow diagram of another embodiment of detection method of wind generating set pitch control battery provided by the invention;
Fig. 3 is the structural representation of a detection system embodiment of wind generating set pitch control battery provided by the invention;
Fig. 4 is the structural representation of another embodiment of detection system of wind generating set pitch control battery provided by the invention;
Drawing reference numeral explanation
31-trigger action module, 311-receiving element, 312-trigger action unit; 32-control module; 321-first control module, 322-second control module, 323-processing unit.
Embodiment
Embodiments of the invention are when wind power generating set is in standby mode or the normal Fisrt fault pattern of pitch-controlled system, utilize and become oar battery powered drive blade feathering, record feathering required time, by carrying out analyzing the failure condition judging to become oar battery to feathering required time simultaneously.The technical scheme of the embodiment of the present invention goes for the detection of the change oar battery of various wind power generating set.
Embodiment one
Fig. 1 is the method flow diagram of a detection method embodiment of wind generating set pitch control battery provided by the invention, the executive agent of the method can be the master control system of unit, or the integrated system for wind generating set pitch control battery detecting (being described for master control system in subsequent embodiment) in the unit.The triggering environment that the method is performed is in standby mode or Fisrt fault pattern in wind power generating set; wherein; this Fisrt fault pattern is that the pitch-controlled system of unit is normal, and unit is because some other system malfunctions causes a kind of malfunction of compressor emergency shutdown.So can reduce on the impact that genset normally works in testing process, improve the security of unit simultaneously.When the environmental baseline of above-mentioned triggering meets, detection system starts change oar battery detecting flow process and detects change oar battery.Described change oar battery detecting flow process is into carrying out blade control operation at least a slice blade of wind power generating set, and as shown in Figure 1, the detection method of this wind generating set pitch control battery comprises:
S101, when wind power generating set is in standby mode or Fisrt fault pattern, starts and becomes oar battery detecting flow process, that is: carry out the blade control operation as step S102 ~ S104 at least a slice blade of wind power generating set.
S102, controls to adopt mains supply to drive the blade of wind power generating set to drive oar to 15 ° from 90 °.
Under master control system controls, adopt mains supply to drive pitch motor, blade is driven oar to 15 ° from 90 °.Here illustrate, 15 ° is preferred value, also can choose other angles being less than 90 ° under the premise that security is guaranteed as the angle on target driving oar.
S103, continues to drive blade from current 15 ° of featherings to 90 ° after controlling mains supply to be switched to change oar powered battery, and records feathering required time.
After blade being driven oar to angle on target, control mains supply to switch to become oar powered battery by master control system.Then adopt and become oar battery powered drive pitch motor, by blade from current 15 ° of featherings to 90 °.Timer record feathering required time is started in feathering process.
S104, the magnitude relationship detection trigger according to feathering required time and preset feathering temporal characteristics value operates.
Usual change oar battery capacity sufficient and working properly time, blade can be driven to become oar speed with theory and become oar, this theory change oar speed is relevant with the design of unit itself, is intrinsic parameter; And when becoming oar battery capacity deficiency or when breaking down, often causing driving blade to become oar with the speed becoming oar speed lower than theory, thus extend the change oar time.In the present embodiment based on this by becoming in oar battery-operated feathering process, actual feathering required time with become oar battery capacity or failure judgement whether corresponding relation, set special feathering temporal characteristics value and weigh the capacity or malfunction that become oar battery.Here illustrate, for the change oar process of different angles difference, also there is adaptations in the size of this feathering temporal characteristics value.
The feathering temporal characteristics value adopted in the present embodiment is arranged to 90 ° (differential seat angle is 75 °) from 15 ° of featherings for feathering angle.Wherein, this feathering temporal characteristics value can be one or more, by judging under change oar is battery-operated, the feathering required time of blade feathering and the magnitude relationship of these feathering temporal characteristics values, can be become the result of oar battery in capacity or malfunction accordingly and be judged.Corresponding operation as warning, maintenance etc. detect, to complete the testing process to becoming oar battery is carried out according to different result of determination.
In above-mentioned blade control operation process, it is in order to maximum magnitude expands the depth of discharge detecting and become oar battery that control blade drives oar to 15 °, and this position affects by vane airfoil profile usually, and the wind energy of absorption is limited.Certainly, in practical operation, open oar position to regulate according to different leaves or wind power generating set type.And drive pitch motor to drive oar by mains supply, being the steering logic in order to not change former pitch-controlled system and wiring, being conducive to the enforcement simplifying whole change oar battery detection method.
The detection method of the wind generating set pitch control battery that the embodiment of the present invention provides, first the blade of wind power generating set is driven to drive oar to 15 ° from 90 ° by mains supply, and then switch to change oar battery powered drive blade from current 15 ° of featherings to 90 °, judge finally by the magnitude relationship analyzing feathering process required time and preset feathering temporal characteristics value the failure condition becoming oar battery, and trigger corresponding detection and operate and realize testing goal.Whole testing process is carried out under wind power generating set is in standby mode or Fisrt fault pattern simultaneously, does not affect the normal power generation of wind power generating set, and improves security.
Embodiment two
Fig. 2 is the method flow diagram of another embodiment of detection method of wind generating set pitch control battery provided by the invention, can be considered a kind of specific implementation embodiment illustrated in fig. 1.As shown in Figure 2, the detection method of this wind generating set pitch control battery comprises:
S201, receives the change oar battery detecting instruction that wind generating set main control system periodically issues.
For the ease of periodically detecting change oar battery, in unit master control system, integrated periodicity the trigger action becoming the instruction of oar battery detecting can be issued.After the detection system becoming oar battery receives this detection instruction, can perform according to detecting instruction the testing process becoming oar battery.
S202, according to the instruction of change oar battery detecting, when wind power generating set is in standby mode or Fisrt fault pattern, start and become oar battery detecting flow process, namely successively the blade control operation as step S203 ~ S205 is carried out to blade each in wind power generating set, and its blade position of blade that setting is not in blade control operation is 90 °.After receiving the instruction of change oar battery detecting, detection system can perform step S101, when wind power generating set is in standby mode or Fisrt fault pattern, start and become oar battery detecting flow process, that is: the blade control operation as step S102 ~ S104 is carried out at least a slice blade of wind power generating set.
In actual mechanical process, the present embodiment employing is carried out blade control operation successively to all blades of unit and is used as once complete change oar battery detecting flow process.After a blade completes all operations step of blade control operation, carrying out identical blade control operation for next blade.And in order to ensure the security of unit, in whole change oar battery detecting flow process, the blade not being in blade control operation is arranged its blade position into 90 °.
S203, controls to adopt mains supply to drive the blade of wind power generating set to drive oar to 15 ° from 90 °.
S204, continues to drive blade from current 15 ° of featherings to 90 ° after controlling mains supply to be switched to change oar powered battery, and records feathering required time.
S205, the magnitude relationship detection trigger according to feathering required time and preset feathering temporal characteristics value operates.
The content of above-mentioned steps S203 ~ S205 can the corresponding content see step S102 ~ S104, does not repeat at this.
In step S205, in operating according to the magnitude relationship detection trigger of feathering required time and preset feathering temporal characteristics value, the present embodiment is specialized feathering temporal characteristics value, gives two concrete values, is respectively feathering time theory value and feathering time maximal value.
Wherein, feathering time theory value, for wind power generating set is with the time used during aforementioned theory change oar speed change oar, when reality becomes the oar time the closer to feathering time theory value, then characterizes and drives power supply more stable, be in normal operating conditions.Feathering time maximal value is weigh measuring of actual change oar process required time, oar speed is become close to theoretical when employing becomes oar battery powered drive actual change oar speed, when causing actual change oar required time to be less than feathering time maximal value, characterize and become oar battery normally, and capacity relative is sufficient; And become oar battery powered drive actual change oar speed much smaller than theory change oar speed when adopting, when causing actual change oar required time to be greater than feathering time maximal value, characterize and become oar battery failure, or off-capacity.
Based on given two feathering temporal characteristics values, present embodiment illustrates the three kinds of different modes realizing step S205, specific as follows:
Mode one:
If the difference that feathering required time subtracts feathering time theory value is less than 10% of feathering time theory value, then detects to be operating as to send and detect normal signal.
When the difference that feathering required time subtracts feathering time theory value is less than 10% of feathering time theory value, characterize current change oar battery and be in normal operating conditions, and battery capacity is sufficient, without the need to carrying out attended operation.Now, detection system can send and detect normal signal, and becomes oar battery detecting flow process and proceed.Wherein, the specific gravity range that difference that feathering required time and this time subtracts feathering time theory value accounts for feathering time theory value can specifically be carried, as being less than 10% detecting in normal signal.
Mode two:
If the difference that feathering required time subtracts feathering time theory value is 10% ~ 20% of feathering time theory value, then detect the signal being operating as and sending and detect warning.
The difference subtracting feathering time theory value when feathering required time is 10% ~ 20% of feathering time theory value, time, characterize current change oar battery and be in normal operating conditions, but battery capacity relative deficiency, certain influence is produced to change oar speed.Now, detection system can send the signal detecting warning, has notified staff for change oar battery detecting flow process according to actual set situation or proceed or stop.Wherein, the specific gravity range that difference that feathering required time and this time subtracts feathering time theory value accounts for feathering time theory value can specifically be carried in the signal detecting warning, as 10% ~ 20%.
Mode three:
If the difference that feathering required time subtracts feathering time theory value is greater than 20% of feathering time theory value, or be greater than feathering time maximal value, then detect to be operating as and control to adopt mains supply by the current blade feathering to 90 ° being in the wind power generating set of detected state, and exit and become oar battery detecting flow process and make wind power generating set enter the second fault mode and report to the police.
The difference subtracting feathering time theory value when feathering required time is greater than 20% of feathering time theory value, or when being greater than feathering time maximal value, characterize current change oar battery or be in abnormal operating state, or battery capacity being extremely not enough.Now, in order to ensure the safety of unit, detection system need indicate master control system to control to adopt mains supply by the current blade feathering to 90 ° being in the wind power generating set of detected state immediately, and exit and become oar battery detecting flow process and make wind power generating set enter the second fault mode and report to the police, Maintenance and Repair need be carried out to change oar battery to warn staff.Wherein, this second fault mode can for the state being the change oar cell malfunctions that may exist in the shutdown reason that causes because of fault at unit.In the alerting signal sent, the specific gravity range that difference that feathering required time and this time subtracts feathering time theory value accounts for feathering time theory value can also be carried, as being less than 10%; Or, carry the information that blade does not complete brigadier's operation, as the feathering time exceeds the information of feathering time maximal value.
Above three kinds of modes can in conjunction with execution, if desired can relation between adaptability revision setting feathering time theory value and feathering time maximal value, to guarantee that in above-mentioned three kinds of modes, any two kinds of implementations do not clash each other.
The detection method of the wind generating set pitch control battery that the present embodiment provides; on basis embodiment illustrated in fig. 1; by carrying out blade control operation successively to all blades of unit, and the position being set to the blade being in blade control operation is 90 °, guarantees the security of unit.Reason is, once become oar battery and electrical network all can not be powered, also can ensure that the impeller of unit does not rotate, and reduces potential safety hazard.Simultaneously, when operating according to the magnitude relationship detection trigger of feathering required time and preset feathering temporal characteristics value, give two specific feathering temporal characteristics values, and provide the concrete methods of realizing of three kinds of detection trigger operations, thus detection change oar battery detecting flow process is standardized more, reach the object detecting and safeguard and combine.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Embodiment three
Fig. 3 is the structural representation of a detection system embodiment of wind generating set pitch control battery provided by the invention, can be used for performing method step embodiment illustrated in fig. 1, as shown in Figure 3, the detection system of this wind generating set pitch control battery comprises: trigger action module 31 and control module 32; Wherein:
Trigger action module 31, during for being in standby mode or Fisrt fault pattern in wind power generating set, trigger control module 32 starts and becomes oar battery detecting flow process;
Control module 32, for carrying out blade control operation at least a slice blade of wind power generating set after receiving the triggering starting and become oar battery detecting flow process;
Control module 32 specifically can comprise:
First control module 321, adopts mains supply to drive the blade of wind power generating set to drive oar to 15 ° from 90 ° for controlling in blade control operation;
Second control module 322, continues to drive blade from current 15 ° of featherings to 90 °, and records feathering required time for control mains supply to be switched to change oar powered battery in blade control operation after;
Processing unit 323, for operating according to the magnitude relationship detection trigger of feathering required time and preset feathering temporal characteristics value in blade control operation.
Further, as shown in Figure 4, on basis embodiment illustrated in fig. 3, above-mentioned trigger action module 31 can comprise:
Receiving element 311, for receiving the change oar battery detecting instruction that wind generating set main control system periodically issues;
Trigger action unit 312, for according to the instruction of change oar battery detecting, when wind power generating set is in standby mode or Fisrt fault pattern, trigger control module starts and becomes oar battery detecting flow process.
Further, above-mentioned control module 32 also can be used for:
After receiving the triggering starting and become oar battery detecting flow process successively to wind power generating set in each blade carry out blade control operation, and to arrange its blade position of blade not being in blade control operation be 90 °.
Further, above-mentioned preset feathering temporal characteristics value comprises: feathering time theory value and feathering time maximal value.
Further, above-mentioned preset feathering temporal characteristics value comprises: feathering time theory value and feathering time maximal value.
Further, Fig. 3 and embodiment illustrated in fig. 4 in, above-mentioned preset feathering temporal characteristics value comprises: feathering time theory value and feathering time maximal value.
Further, Fig. 3 and embodiment illustrated in fig. 4 in, described processing unit 323 also can be used for:
If the difference that feathering required time subtracts feathering time theory value is less than 10% of feathering time theory value, then sends and detect normal signal.
If the difference that feathering required time subtracts feathering time theory value is 10% ~ 20% of feathering time theory value, then send the signal detecting warning.
If the difference that feathering required time subtracts feathering time theory value is greater than 20% of feathering time theory value, or be greater than feathering time maximal value, then control to adopt mains supply by the current blade feathering to 90 ° being in the wind power generating set of detected state, and exit and become oar battery detecting flow process and make wind power generating set enter the second fault mode and report to the police.
Three concrete functions operation of above-mentioned processing unit 323 at Fig. 3 and embodiment illustrated in fig. 4ly middlely can to use respectively, also can be combined.
Above-mentioned all or part of method step embodiment illustrated in fig. 2 by Fig. 3 or embodiment illustrated in fig. 4 in the detection system of wind generating set pitch control battery complete, at this, its step principle is not repeated.
The detection system of the wind generating set pitch control battery that the present embodiment provides, first the blade of wind power generating set is driven to drive oar to 15 ° from 90 ° by mains supply, and then switch to change oar battery powered drive blade from current 15 ° of featherings to 90 °, judge finally by the magnitude relationship analyzing feathering process required time and preset feathering temporal characteristics value the failure condition becoming oar battery, and trigger corresponding detection and operate and realize testing goal.Whole testing process is carried out under wind power generating set is in standby mode or Fisrt fault pattern simultaneously, does not affect the normal power generation of wind power generating set, and improves security.
Further, by carrying out blade control operation successively to all blades of unit, and the position being set to the blade being in blade control operation is 90 °, guarantees the security of unit.Simultaneously, when operating according to the magnitude relationship detection trigger of feathering required time and preset feathering temporal characteristics value, give two specific feathering temporal characteristics values, and provide the concrete methods of realizing of three kinds of detection trigger operations, thus detection change oar battery detecting flow process is standardized more, reach the object detecting and safeguard and combine.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (14)
1. a detection method for wind generating set pitch control battery, is characterized in that, comprising:
When wind power generating set is in standby mode or Fisrt fault pattern, start and become oar battery detecting flow process, described change oar battery detecting flow process, into carrying out following blade control operation at least a slice blade of wind power generating set, comprising:
Control to adopt mains supply to drive the blade of wind power generating set to drive oar to 15 ° from 90 °;
Continue to drive described blade from current 15 ° of featherings to 90 ° after controlling described mains supply to be switched to change oar powered battery, and record feathering required time;
Magnitude relationship detection trigger according to described feathering required time and preset feathering temporal characteristics value operates.
2. method according to claim 1, is characterized in that, described method also comprises:
Receive the change oar battery detecting instruction that wind generating set main control system periodically issues;
According to the instruction of described change oar battery detecting, when wind power generating set is in described standby mode or Fisrt fault pattern, start described change oar battery detecting flow process.
3. method according to claim 1, is characterized in that, described at least a slice blade to wind power generating set carries out blade control operation and comprises:
Successively described blade control operation is carried out to blade each in described wind power generating set, and its blade position of blade that setting is not in described blade control operation is 90 °.
4. the method according to claim 1 or 3, is characterized in that, described preset feathering temporal characteristics value comprises: feathering time theory value and feathering time maximal value.
5. method according to claim 4, is characterized in that, the described magnitude relationship detection trigger according to described feathering required time and preset feathering temporal characteristics value operates and comprises:
If the difference that described feathering required time subtracts described feathering time theory value is less than 10% of described feathering time theory value, then described detection is operating as to send and detects normal signal.
6. method according to claim 4, is characterized in that, the described magnitude relationship detection trigger according to described feathering required time and preset feathering temporal characteristics value operates and comprises:
If the difference that described feathering required time subtracts described feathering time theory value is 10% ~ 20% of described feathering time theory value, then described detection is operating as the signal sending and detect warning.
7. method according to claim 4, is characterized in that, the described magnitude relationship detection trigger according to described feathering required time and preset feathering temporal characteristics value operates and comprises:
If the difference that described feathering required time subtracts described feathering time theory value is greater than 20% of described feathering time theory value, or be greater than described feathering time maximal value, then described detection is operating as and controls to adopt mains supply by the current blade feathering to 90 ° being in the wind power generating set of detected state, and exits described change oar battery detecting flow process and make wind power generating set enter the second fault mode and report to the police.
8. a detection system for wind generating set pitch control battery, is characterized in that, described detection system comprises: trigger action module and control module;
Described trigger action module, during for being in standby mode or Fisrt fault pattern in wind power generating set, triggering described control module and starts change oar battery detecting flow process;
Described control module, for carrying out blade control operation at least a slice blade of wind power generating set after the triggering receiving described startup change oar battery detecting flow process;
Described control module comprises:
First control module, adopts mains supply to drive the blade of wind power generating set to drive oar to 15 ° from 90 ° for controlling in described blade control operation;
Second control module, continues to drive described blade from current 15 ° of featherings to 90 °, and records feathering required time for control described mains supply to be switched to change oar powered battery in described blade control operation after;
Processing unit, for operating according to the magnitude relationship detection trigger of described feathering required time and preset feathering temporal characteristics value in described blade control operation.
9. detection system according to claim 8, is characterized in that, described trigger action module comprises:
Receiving element, for receiving the change oar battery detecting instruction that wind generating set main control system periodically issues;
Trigger action unit, for according to the instruction of described change oar battery detecting, when wind power generating set is in described standby mode or Fisrt fault pattern, triggers described control module and starts described change oar battery detecting flow process.
10. detection system according to claim 8, is characterized in that, described control module also for:
Receive described start the triggering becoming oar battery detecting flow process after successively to described wind power generating set in each blade carry out described blade control operation, and to arrange its blade position of blade not being in described blade control operation be 90 °.
Detection system described in 11. according to Claim 8 or 10, is characterized in that, described preset feathering temporal characteristics value comprises: feathering time theory value and feathering time maximal value.
12. detection systems according to claim 11, is characterized in that, described processing unit also for:
If the difference that described feathering required time subtracts described feathering time theory value is less than 10% of described feathering time theory value, then sends and detect normal signal.
13. detection systems according to claim 11, is characterized in that, described processing unit also for:
If the difference that described feathering required time subtracts described feathering time theory value is 10% ~ 20% of described feathering time theory value, then send the signal detecting warning.
14. detection systems according to claim 11, is characterized in that, described processing unit also for:
If the difference that described feathering required time subtracts described feathering time theory value is greater than 20% of described feathering time theory value, or be greater than described feathering time maximal value, then control to adopt mains supply by the current blade feathering to 90 ° being in the wind power generating set of detected state, and exit described change oar battery detecting flow process and make wind power generating set enter the second fault mode and report to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127840.9A CN104765004A (en) | 2015-03-23 | 2015-03-23 | Detection method and system for variable-pitch battery of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127840.9A CN104765004A (en) | 2015-03-23 | 2015-03-23 | Detection method and system for variable-pitch battery of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104765004A true CN104765004A (en) | 2015-07-08 |
Family
ID=53646956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510127840.9A Pending CN104765004A (en) | 2015-03-23 | 2015-03-23 | Detection method and system for variable-pitch battery of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104765004A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275750A (en) * | 2015-11-10 | 2016-01-27 | 四川东方电气自动控制工程有限公司 | Detection control method for variable-pitch batteries of variable-pitch wind power generators |
| CN105402092A (en) * | 2015-12-10 | 2016-03-16 | 北京天诚同创电气有限公司 | Detection method and device of wind generating set |
| CN106842039A (en) * | 2016-12-24 | 2017-06-13 | 大连尚能科技发展有限公司 | A kind of wind generating set pitch control battery detecting cycle methods |
| CN107229017A (en) * | 2017-01-06 | 2017-10-03 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set pitch control battery abnormal failure Forecasting Methodology |
| CN110470998A (en) * | 2019-08-11 | 2019-11-19 | 埃斯倍风电科技(青岛)有限公司 | A kind of backup battery health status test method of pitch-controlled system |
| CN110531275A (en) * | 2019-08-11 | 2019-12-03 | 埃斯倍风电科技(青岛)有限公司 | A kind of backup battery test method of pitch-controlled system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520277A (en) * | 2011-12-01 | 2012-06-27 | 北京金风科创风电设备有限公司 | Super capacitor detection method and detection system of wind driven generator variable pitch system |
| CN102680906A (en) * | 2012-05-29 | 2012-09-19 | 国电联合动力技术有限公司 | Method for testing blade-changing battery of megawatt wind generating set |
| CN102830365A (en) * | 2012-09-12 | 2012-12-19 | 国电联合动力技术有限公司 | Megawatt-level wind generating set paddle changing system battery automatic testing method and system |
| CN202789319U (en) * | 2011-12-15 | 2013-03-13 | 南京风电科技有限公司 | Wind mill variable-pitch cell detection system |
| CN103472406A (en) * | 2013-09-13 | 2013-12-25 | 国电联合动力技术有限公司 | Wind turbine generator unit pitch system standby power supply online automatic detection method and device |
-
2015
- 2015-03-23 CN CN201510127840.9A patent/CN104765004A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520277A (en) * | 2011-12-01 | 2012-06-27 | 北京金风科创风电设备有限公司 | Super capacitor detection method and detection system of wind driven generator variable pitch system |
| CN202789319U (en) * | 2011-12-15 | 2013-03-13 | 南京风电科技有限公司 | Wind mill variable-pitch cell detection system |
| CN102680906A (en) * | 2012-05-29 | 2012-09-19 | 国电联合动力技术有限公司 | Method for testing blade-changing battery of megawatt wind generating set |
| CN102830365A (en) * | 2012-09-12 | 2012-12-19 | 国电联合动力技术有限公司 | Megawatt-level wind generating set paddle changing system battery automatic testing method and system |
| CN103472406A (en) * | 2013-09-13 | 2013-12-25 | 国电联合动力技术有限公司 | Wind turbine generator unit pitch system standby power supply online automatic detection method and device |
Non-Patent Citations (1)
| Title |
|---|
| REE: "2MW机组变桨系统后备电池现场测试方案", 《百度文库》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275750A (en) * | 2015-11-10 | 2016-01-27 | 四川东方电气自动控制工程有限公司 | Detection control method for variable-pitch batteries of variable-pitch wind power generators |
| CN105402092A (en) * | 2015-12-10 | 2016-03-16 | 北京天诚同创电气有限公司 | Detection method and device of wind generating set |
| CN105402092B (en) * | 2015-12-10 | 2018-10-02 | 北京天诚同创电气有限公司 | Detection method and device of wind generating set |
| CN106842039A (en) * | 2016-12-24 | 2017-06-13 | 大连尚能科技发展有限公司 | A kind of wind generating set pitch control battery detecting cycle methods |
| CN107229017A (en) * | 2017-01-06 | 2017-10-03 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set pitch control battery abnormal failure Forecasting Methodology |
| CN107229017B (en) * | 2017-01-06 | 2019-07-09 | 科诺伟业风能设备（北京）有限公司 | A kind of wind generating set pitch control battery abnormal failure prediction technique |
| CN110470998A (en) * | 2019-08-11 | 2019-11-19 | 埃斯倍风电科技(青岛)有限公司 | A kind of backup battery health status test method of pitch-controlled system |
| CN110531275A (en) * | 2019-08-11 | 2019-12-03 | 埃斯倍风电科技(青岛)有限公司 | A kind of backup battery test method of pitch-controlled system |
| CN110531275B (en) * | 2019-08-11 | 2022-07-22 | 埃斯倍风电科技(青岛)有限公司 | Backup battery testing method of variable pitch system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104765004A (en) | Detection method and system for variable-pitch battery of wind generating set | |
| CN101893855B (en) | Control method for guaranteeing safe operation of wind turbine | |
| CN102680906B (en) | Method for testing blade-changing battery of megawatt wind generating set | |
| EP3530933B1 (en) | Method and system for controlling wind turbine shutdown | |
| CN108626070B (en) | Brake control method and system of wind generating set | |
| CN103472406A (en) | Wind turbine generator unit pitch system standby power supply online automatic detection method and device | |
| CN103629048A (en) | Intelligent pitch control system of wind turbine generator and pitch control method thereof | |
| CN102374120A (en) | Control method and system for wind turbine generator system | |
| CN102748213A (en) | Emergency shutdown control system and method for wind generating set | |
| US8109723B2 (en) | Device and method for controlling wind turbine | |
| CN102418662A (en) | Safety operation control system of wind driven generator | |
| CN107630785B (en) | Wind turbines Protection control system under one kind of multiple operating conditions | |
| CN102305177A (en) | Wind generating set start control method and system | |
| CN102830365B (en) | Megawatt-level wind generating set paddle changing system battery automatic testing method and system | |
| CN110531275B (en) | Backup battery testing method of variable pitch system | |
| CN104047803B (en) | A kind of electronic feathering controlling method | |
| CN202645850U (en) | Emergency shutdown control system of wind generating set | |
| CN107701372A (en) | A kind of wind power generating set self-protection control method become under oar Actuators Failures | |
| CN107086662B (en) | A kind of control method of wind power plant distribution yaw backup power system | |
| CN203248316U (en) | Operation control system for variable pitch system | |
| EP3796016A1 (en) | System and method for detecting battery faults in a pitch system of a wind turbine | |
| CN104158239A (en) | Emergency electric power source system for pitch system | |
| CN110778467B (en) | Lightning stroke protection method for wind generating set | |
| CN103281017B (en) | A kind of motor steering control appliance, method, system and engineering vehicle | |
| CN105257472A (en) | Safety control method for direct-drive fan direct-current pitch varying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |