CN109555652A - Data monitoring system for wind generating set - Google Patents
Data monitoring system for wind generating set Download PDFInfo
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- CN109555652A CN109555652A CN201710873092.8A CN201710873092A CN109555652A CN 109555652 A CN109555652 A CN 109555652A CN 201710873092 A CN201710873092 A CN 201710873092A CN 109555652 A CN109555652 A CN 109555652A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 183
- 238000004804 winding Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims description 47
- 230000005611 electricity Effects 0.000 claims description 27
- 238000005259 measurement Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000013480 data collection Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
There is provided a data monitoring system for a wind power plant, the wind power plant comprising a generator for generating electrical energy and a converter for outputting the electrical energy generated by the generator to an external grid, the data monitoring system comprising: the input end of the first detection device is connected with a winding of the generator and used for detecting the output power of the generator, and the output end of the first detection device is connected with the monitoring terminal; the input end of the second detection device is connected with the output end of the converter and used for detecting the output power of the converter, and the output end of the second detection device is connected with the monitoring terminal; and the monitoring terminal is used for carrying out loss analysis on the wind generating set based on the output power of the generator detected by the first detection device and the output power of the converter detected by the second detection device. By adopting the data monitoring system for the wind generating set, which is disclosed by the exemplary embodiment of the invention, the output power of the machine side and the grid side of the wind generating set can be measured on line for a long time, so that the loss analysis of the wind generating set is facilitated.
Description
Technical field
All things considered of the present invention is related to technical field of wind power generation, more particularly, is related to a kind of for wind-driven generator
The data monitoring system of group.
Background technique
As country is more more and more urgent to energy-saving and emission-reduction demand, the requirement to wind-power electricity generation is also higher and higher, wind-power electricity generation
Unit reliability of operation and generated energy and cost have direct influence.
The efficiency of wind power generating set and loss at present is calculated by software design simulation, because not testing
Method is effectively verified, and is not also known where to begin so improving with optimization design.
Also, it is directed to the test of wind power generating set at present, can only be done in factory by test platform in a pre-installation
Relevant simulation test, does related type approval test to wind-driven generator unit core component, is all limited to single component
Simulation test.And whether environment temperature, humidity or electrical environment can not replicate wind to the simulation test in factory
The actual conditions of electric field can not obtain effective measured data of wind power generating set.
Summary of the invention
Exemplary embodiment of the present invention is designed to provide a kind of data monitoring system for wind power generating set,
Long-term on-line measurement can be carried out for the pusher side and net side of wind power generating set, to solve to be merely able to pass through wind in the prior art
The test platform of power generator group obtains simulation test data, and effective measured data of wind power generating set can not be obtained
Technical problem.
One side according to an exemplary embodiment of the present invention provides a kind of data monitoring system for wind power generating set
System, wind power generating set includes the change of the generator for producing electricl energy and the power output for generating generator to outer net
Device is flowed, the data monitoring system includes: the first detection device, and input terminal connects the winding of generator, for detecting power generation
The output power of machine, output end connect monitor terminal；Second detection device, input terminal connect the output end of current transformer, use
In the output power of detection current transformer, output end connects monitor terminal；Monitor terminal, the hair based on the detection of the first detection device
The output power of the current transformer of output power and the second detection device detection of motor carries out loss analysis to wind power generating set.
Optionally, the input terminal of the first detection device can be connected to the winding of generator and be arranged in generator and current transformer
Between switching switch between, the input terminal of second detection device can be connected to the output end of current transformer and be used to produce in generator
Raw electric energy is converted between the first transformer of outer net electric energy.
Optionally, the data monitoring system can further include: the second transformer, input terminal connect the output of current transformer
End, output end connect at least one control system in wind power generating set, to carry out at least one described control system
Power supply；Third detection device, input terminal connects the output end of the second transformer, for detecting the output work of the second transformer
Rate, output end connect monitor terminal, so that monitor terminal obtains the output power of the second transformer from third detection device.
Optionally, monitor terminal can determine that wind-force is sent out according to the output power of current transformer and the output power of the second transformer
The grid-connected power of motor group.
Optionally, monitor terminal can be by subtracting each other acquisition for the output power of the output power of current transformer and the second transformer
Grid-connected power.
Optionally, monitor terminal can determine the main confession of wind power generating set according to the output power and grid-connected power of generator
The electricity loss of electrical circuit.
Optionally, monitor terminal can obtain main current supply circuit by subtracting each other the output power of generator and grid-connected power
Electricity loss.
Optionally, the data monitoring system can further include: the 4th detection device, input terminal are respectively connected to wind-force hair
The input terminal of at least one control system in motor group, for detecting each control at least one described control system
The power consumption of system, output end connect monitor terminal, so that monitor terminal obtains each control from the 4th detection device
The power consumption of system, and determine based on the power consumption of each control system of acquisition the electricity consumption of each control system
Loss.
Optionally, at least one described control system may include yaw control system, variable blade control system, radiating control system
System and water-cooling control system, the 4th detection device may include the first sub- detection device, the second sub- detection device, third detection dress
It sets and the 4th sub- detection device, wherein the input terminal of the first sub- detection device can connect the input terminal of yaw control system, be used for
Detect the power consumption of yaw control system, the output end of the first sub- detection device can connect monitor terminal so that monitor terminal from
First sub- detection device obtains the power consumption of yaw control system, and is determined according to the power consumption of the yaw control system of acquisition
The input terminal of the electricity loss of yaw control system, the second sub- detection device can connect the input terminal of variable blade control system, be used for
Detect the power consumption of variable blade control system, the output end of the second sub- detection device can connect monitor terminal so that monitor terminal from
Second sub- detection device obtains the power consumption of variable blade control system, and is determined according to the power consumption of the variable blade control system of acquisition
The input terminal of the electricity loss of variable blade control system, the sub- detection device of third can connect the input terminal of cooling control system, be used for
Detect the power consumption of cooling control system, the output end of the sub- detection device of third can connect monitor terminal so that monitor terminal from
The sub- detection device of third obtains the power consumption of cooling control system, and is determined according to the power consumption of the cooling control system of acquisition
The input terminal of the electricity loss of cooling control system, the 4th sub- detection device can connect the input terminal of water-cooling control system, be used for
Detect the power consumption of water-cooling control system, the output end of the 4th sub- detection device can connect monitor terminal so that monitor terminal from
4th sub- detection device obtains the power consumption of water-cooling control system, and is determined according to the power consumption of the water-cooling control system of acquisition
The electricity loss of water-cooling control system.
Optionally, the first detection device may include the first current transformer and the first intelligent electric meter, wherein the first electric current is mutual
Sensor may include U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor, be respectively connected to the winding of generator with
Between the first end for switching switch, the current signal of generator output end is measured, and by the electric current of the generator output end of measurement
Signal is sent to the first intelligent electric meter, and the first intelligent electric meter can also detect the output voltage of the winding of generator, the first intelligence electricity
Table can determine the output power of generator according to the current signal of current transformer acquisition and the output voltage of detection,
Second detection device may include the second current transformer and the second intelligent electric meter, wherein the second current transformer includes U phase current
Mutual inductor, V phase current mutual inductor, W phase current mutual inductor are respectively connected to the input of the output end and the second transformer of current transformer
Between end, the current signal of current transformer output end is measured, and sends second for the current signal of the current transformer output end of measurement
Intelligent electric meter, the second intelligent electric meter can also detect the output voltage of current transformer output end, and the second intelligent electric meter can be according to the electricity
The current signal of current transformer acquisition and the output voltage of detection determine the output power of current transformer.
Optionally, the first detection device, second detection device, third detection device, each inspection in the 4th detection device
The output end for surveying device can connect monitor terminal via interchanger, so that monitor terminal is filled via interchanger from each detection
Set the data for obtaining each detection device detection.
Optionally, the data monitoring system can further include: sub-controller and master controller, the first detection device and the 4th
The output end of detection device can be separately connected the input terminal of sub-controller, the input of the output end connection master controller of sub-controller
The output end at end, master controller connects monitor terminal, so that monitor terminal is via master controller and sub-controller respectively from first
Detection device and the 4th detection device obtain the output power of generator and the power consumption of each control system, the second detection
Device and the output end of third detection device can be separately connected the input terminal of master controller, so that monitor terminal is via master controller
The output power of current transformer and the output power of the second transformer are obtained from second detection device and third detection device respectively.
Optionally, generator, switching switch, the first detection device, the 4th detection device and sub-controller may be provided at cabin
Interior, current transformer, second detection device, third detection device and master controller may be provided at tower bottom.
Using the data monitoring system for wind power generating set of exemplary embodiment of the present, can be sent out for wind-force
The pusher side of motor group and the output power of net side carry out long-term on-line measurement, to facilitate the loss point to wind power generating set
Analysis.
Detailed description of the invention
Pass through the detailed description carried out below with reference to the attached drawing for being exemplarily illustrated embodiment, exemplary embodiment of the present
Above and other objects, features and advantages will become apparent,
Fig. 1 shows the structural frames of the data monitoring system according to an exemplary embodiment of the present invention for wind power generating set
Figure；
Fig. 2 shows the connections of the data monitoring system according to an exemplary embodiment of the present invention for wind power generating set to show
It is intended to；
Fig. 3 shows the MS master-slave of the data monitoring system according to an exemplary embodiment of the present invention for wind power generating set
Structure connection diagram.
Specific embodiment
Now, different example embodiments is more fully described with reference to the accompanying drawings, some exemplary embodiments are in the accompanying drawings
It shows.
Fig. 1 shows the structural frames of the data monitoring system according to an exemplary embodiment of the present invention for wind power generating set
Figure.
As shown in Figure 1, wind power generating set may include generator 10, switching switch (not shown), 20 and of current transformer
First transformer.Here, generator 10 is for producing electricl energy, and the power output that current transformer 20 is used to generate in generator is outside
Net switches the winding of the first end connection generator of switch, switches the second end connection current transformer 20 of switch, switches the control of switch
End processed receives control instruction, to be switched on or switched off the winding of generator, the input terminal of the first transformer according to the control instruction
The output end of current transformer 20 is connected, the output end of the first transformer is connected to outer net, to be powered for outer net.
Data monitoring system according to an exemplary embodiment of the present invention for wind power generating set includes the first detection dress
Set 30, second detection device 40 and monitor terminal 50.
Particularly, the winding of the input terminal connection generator 10 of the first detection device 30, for detecting generator 10
Output power, the output end of the first detection device 30 connect monitor terminal 50, so that monitor terminal 50 is from the first detection device 30
Obtain the output power of generator.
Preferably, the input terminal (that is, data collection terminal) of the first detection device 30 is connected to the winding of generator 10 and cuts
It changes between switch.
The output end of the input terminal connection current transformer 20 of second detection device 40, for detecting the output work of current transformer 20
The output end of rate, second detection device 40 connects monitor terminal 50, becomes so that monitor terminal 50 is obtained from second detection device 40
Flow the output power of device 20.
Preferably, the input terminal of second detection device 40 is connected between the output end of current transformer 20 and the first transformer.
The output power and second detection device 40 for the generator 10 that monitor terminal 50 is detected based on the first detection device 30
The output power of the current transformer 20 of detection carries out loss analysis to wind power generating set.
The course of work of the above-mentioned data monitoring system for wind power generating set is discussed in detail referring to Fig. 2.
Fig. 2 shows the connections of the data monitoring system according to an exemplary embodiment of the present invention for wind power generating set to show
It is intended to.
As shown in Fig. 2, wind power generating set may include generator 10, switching switch 20, current transformer 30, the first transformer
40, the second transformer 50 and at least one control system 60.Here, generator 10, switching switch 20, current transformer 30, first
The main current supply circuit of the composition wind power generating set of transformer 40.It is according to an exemplary embodiment of the present invention to be used for wind power generating set
Data monitoring system may include the first detection device 70, second detection device 80, third detection device 90, the 4th detection device
100 and monitor terminal 110.
As an example, generator 10 can have the first winding and the second winding, it is preferable that generator 10 can drive power generation to be straight
Machine.Switching switch 20 can be according to the first winding of control instruction ON/OFF and/or the second winding.Current transformer 30 may include first
Current transformer 31 and the second current transformer 32.
In this example, blower main control PLC can generate control instruction according to grid-connected logic, and the control instruction of generation is passed through
It is sent to the control terminal of switching switch, by current transformer 30 with the first winding of ON/OFF and/or the second winding.
Switching switch 20 may include the first breaker 21 and the second breaker 22.The first end of first breaker 21 connects hair
First winding of motor 10, the second end of the first breaker 21 connect the input terminal of the first current transformer 31, the first breaker 21
Control terminal receives the first control instruction from the first current transformer 31, to be switched on or switched off the first winding according to the first control instruction.The
Second winding of the first end connection generator 10 of two breakers 22, the second end of the second breaker 22 connect the second current transformer 32
Input terminal, the control terminal of the second breaker 22 receives the second control instruction from the first current transformer 32, to be referred to according to the second control
Order is switched on or switched off the second winding.
Preferably, the input terminal (that is, data collection terminal) of the first detection device 70 is connected to the winding of generator 10 and cuts
It changes between switch 20.
As an example, the first detection device 70 includes the first current transformer (electric current CT) and the first intelligent electric meter 1.This
In, the first current transformer may include U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor, be respectively connected to send out
Between the winding of motor 10 and the first end of switching switch, the current signal of 10 output end of generator is measured, and by the hair of measurement
The current signal of 10 output end of motor is sent to the first intelligent electric meter 1.First intelligent electric meter 1 also detects the defeated of the winding of generator
Voltage (not shown) out, the first intelligent electric meter 1 is according to the power generation of the first current transformer current signal acquired and detection
The output voltage of the winding of machine 10 determines the output power of generator 10.
There is the case where the first winding and the second winding for generator 10, it can be in each of the first winding and the second winding
Current transformer is set in phase, for measuring the current signal of each phase of generator 10, then by the electric current of each phase of measurement
Signal is sent to the first intelligent electric meter 1.
The output of input terminal connection current transformer 30 (that is, the first current transformer 31 and second current transformer 32) of first transformer 40
End, the output end of the first transformer 40 is connected to outer net, to be powered for outer net.
Preferably, the input terminal (that is, data collection terminal) of second detection device 40 be connected to the output end of current transformer 20 with
Between first transformer 40.
As an example, second detection device 80 may include the second current transformer (electric current CT) and the second intelligent electric meter 2.This
In, the second current transformer may include U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor, be respectively connected to become
It flows between the output end of device 30 and the input terminal of the second transformer 40, measures the current signal of 30 output end of current transformer, and will survey
The current signal of 30 output end of current transformer of amount is sent to the second intelligent electric meter 2.It is defeated that second intelligent electric meter 2 also detects current transformer 30
The output voltage (not shown) of outlet, the current signal and inspection that the second intelligent electric meter 2 is acquired according to the second current transformer
The output voltage of 30 output end of current transformer of survey determines the output power of current transformer 30.
The output end of the input terminal connection current transformer 30 of second transformer 50, the output end of the second transformer 50 connect wind-force
At least one control system in generating set, to be powered at least one described control system.
The input terminal (that is, data collection terminal) of third detection device 90 connects the output end of the second transformer 50, for examining
The output power of the second transformer 50 is surveyed, the output end of third detection device 90 connects monitor terminal 110, so that monitor terminal
110 obtain the output power of the second transformer 50 from third detection device 90.
As an example, third detection device 90 may include third current transformer (electric current CT) and third intelligent electric meter 3.This
In, third current transformer may include U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor, be respectively connected to
Between the output end of two transformers 50 and the input terminal of at least one control system 60,50 output end of the second transformer is measured
Current signal, and send third intelligent electric meter 3 for the current signal of 50 output end of the second transformer of measurement.Third intelligence
Ammeter 3 also detects the output voltage (not shown) of 50 output end of the second transformer, and third intelligent electric meter 3 is according to third electric current
The output voltage of 50 output end of the second transformer of the current signal and detection of mutual inductor acquisition determines the defeated of the second transformer 50
Power out.Here, it can determine that respectively control is in wind power generating set according to the output power of the second transformer 50 measured
System from power consumption (that is, wind power generating set secondary with electrical circuit from power consumption).
Preferably, monitor terminal 110 can be true according to the output power of current transformer 30 and the output power of the second transformer 50
Determine the grid-connected power of wind power generating set.For example, monitor terminal 110 can be by by the output power of current transformer 30 and the second transformation
The output power of device 50, which subtracts each other, obtains grid-connected power.
In the case, monitor terminal 110 can determine wind-power electricity generation according to the output power and grid-connected power of generator 10
The electricity loss of the main current supply circuit of unit.For example, monitor terminal 110 can be by by the output power of generator 10 and grid-connected function
Rate subtracts each other the electricity loss for obtaining main current supply circuit.
Here, the loss of generator 10 may include rotor loss, electromagnetic consumable, stator loss and copper loss.Major loop loss
It may include loss of the electric energy of the output of generator 10 on major loop transmission line, such as, it may include route, becomes switching switch
Flow device, transformer loss etc..In this example, it can power back using the difference of the output power of generator 10 and grid-connected power as main
The electricity loss on road.
The input terminal of 4th detection device 100 is respectively connected at least one described control system in wind power generating set
Input terminal, for detecting the power consumption of each control system at least one described control system, the 4th detection device 100
Output end connects monitor terminal 110, so that monitor terminal 110 obtains each control system from the 4th detection device 100
Power consumption, and determine based on the power consumption of each control system of acquisition the electricity loss of each control system
(that is, wind power generating set from power consumption, electric energy consumed by wind power generating set itself electrical equipment).
As an example, at least one described control system 60 in wind power generating set may include yaw control system 61,
Variable blade control system 62, cooling control system 63 and water-cooling control system 64.4th detection device 100 includes the first son detection dress
It sets, the second sub- detection device, the sub- detection device of third and the 4th sub- detection device.
Particularly, the input terminal of the input terminal connection yaw control system 61 of the first sub- detection device, for detecting partially
The power consumption for control system 61 of navigating, the output end of the first sub- detection device connect monitor terminal 110 so that monitor terminal 110 from
First sub- detection device obtains the power consumption of yaw control system 61, and according to the power consumption of the yaw control system of acquisition 61 come
Determine the electricity loss of yaw control system 61.
As an example, the first sub- detection device may include the 4th current transformer (electric current CT) and the 4th intelligent electric meter 4.This
In, the 4th current transformer may include that U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor (only show one in figure
The connection schematic diagram of phase), it is respectively connected between the input terminal of yaw control system 61 and the output end of the second transformer 50, surveys
The current signal of 61 input terminal of yaw control system is measured, and the current signal of 61 input terminal of the yaw control system of measurement is sent
To the 4th intelligent electric meter 4.The input voltage that 4th intelligent electric meter 4 also detects 61 input terminal of yaw control system (does not show in figure
Out), the 4th intelligent electric meter 4 is according to 61 input terminal of yaw control system of the 4th current transformer current signal acquired and detection
Input voltage determine the power consumption of yaw control system 61.Here, it can be determined by above-mentioned current signal and input voltage inclined
The instantaneous power for control system 61 of navigating, and then obtain the power consumption of yaw control system 61.
The input terminal of the input terminal connection variable blade control system 62 of second sub- detection device, for detecting variable blade control system
The output end of 62 power consumption, the second sub- detection device connects monitor terminal 110, so that monitor terminal 110 is detected from the second son
Device obtains the power consumption of variable blade control system 62, and variable pitch control is determined according to the power consumption of the variable blade control system of acquisition 62
The electricity loss of system 62 processed.
As an example, the second sub- detection device may include the 5th current transformer (electric current CT) and the 5th intelligent electric meter 5.This
In, the 5th current transformer may include U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor, be respectively connected to become
Between the input terminal of blade control system 62 and the output end of the second transformer 50, the electric current of 62 input terminal of variable blade control system is measured
Signal, and the 5th intelligent electric meter 5 is sent by the current signal of 62 input terminal of the variable blade control system of measurement.5th intelligent electric meter
5 also detect the input voltage (not shown) of 62 input terminal of variable blade control system, and the 5th intelligent electric meter 5 is mutual according to the 5th electric current
The input voltage of 62 input terminal of variable blade control system of the current signal and detection of sensor acquisition determines variable blade control system 62
Power consumption.Here, the instantaneous power of variable blade control system 62 can be determined by above-mentioned current signal and input voltage, and then is obtained
The power consumption of variable blade control system 62.
The input terminal of the input terminal connection cooling control system 63 of the sub- detection device of third, for detecting cooling control system
The output end of 63 power consumption, the sub- detection device of third connects monitor terminal 110, so that monitor terminal 110 is detected from third
Device obtains the power consumption of cooling control system 63, and heat dissipation control is determined according to the power consumption of the cooling control system of acquisition 63
The electricity loss of system 63 processed.
As an example, the sub- detection device of third may include the 6th current transformer (electric current CT) and the 6th intelligent electric meter 6.This
In, the 6th current transformer may include that U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor (only show one in figure
The connection schematic diagram of phase), it is respectively connected between the input terminal of cooling control system 63 and the output end of the second transformer 50, surveys
The current signal of 63 input terminal of cooling control system is measured, and the current signal of 63 input terminal of the cooling control system of measurement is sent
To the 6th intelligent electric meter 6.The input voltage that 6th intelligent electric meter 6 also detects 63 input terminal of cooling control system (does not show in figure
Out), the 6th intelligent electric meter 6 is according to 63 input terminal of cooling control system of the 6th current transformer current signal acquired and detection
Input voltage determine the power consumption of cooling control system 63.Here, it can be determined and be dissipated by above-mentioned current signal and input voltage
The instantaneous power of thermal control system 63, and then obtain the power consumption of cooling control system 63.
The input terminal of the input terminal connection water-cooling control system 64 of 4th sub- detection device, for detecting water-cooling control system
The output end of 64 power consumption, the 4th sub- detection device connects monitor terminal 110, so that monitor terminal 110 is detected from the 4th son
Device obtains the power consumption of water-cooling control system 64, and water cooling control is determined according to the power consumption of the water-cooling control system of acquisition 64
The electricity loss of system 64 processed.
As an example, the 4th sub- detection device may include the 7th current transformer (electric current CT) and the 7th intelligent electric meter 7.This
In, the 7th current transformer may include that U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor (only show one in figure
The connection schematic diagram of phase), it is respectively connected between the input terminal of water-cooling control system 64 and the output end of the second transformer 50, surveys
The current signal of 64 input terminal of water-cooling control system is measured, and the current signal of 64 input terminal of the water-cooling control system of measurement is sent
To the 7th intelligent electric meter 7.The input voltage that 7th intelligent electric meter 7 also detects 64 input terminal of water-cooling control system (does not show in figure
Out), the 7th intelligent electric meter 7 is according to 64 input terminal of water-cooling control system of the 7th current transformer current signal acquired and detection
Input voltage determine the power consumption of water-cooling control system 64.Here, water can be determined by above-mentioned current signal and input voltage
The instantaneous power of cold control system 64, and then obtain the power consumption of water-cooling control system 64.
In the illustrated example shown in fig. 2, the first detection device, second detection device, third detection device, the 4th detection device
In each detection device output end can based on ICP/IP protocol via interchanger (such as the first interchanger 11, second switch
22,3rd switch 33) monitor terminal 110 is connected, it can be attached by optical fiber between each interchanger, so that monitor terminal
110 obtain the data that each detection device detects from each detection device via interchanger.
However, the invention is not limited thereto, main-slave structure, the MS master-slave based on building can be also constructed between cabin and tower bottom
Structure transmits data.
Fig. 3 shows the MS master-slave of the data monitoring system according to an exemplary embodiment of the present invention for wind power generating set
Structure connection diagram.
As shown in figure 3, in this example, using programmable logic controller (PLC) PLC as controller.For example, can be in cabin
Interior setting generator 10, switching switch 20, the first detection device 70, the 4th detection device 100 and the substation PLC, are arranged in tower bottom
Current transformer 30, second detection device 80, third detection device 90 and PLC master station.
Particularly, the output end of the first detection device 70 and the 4th detection device 100 be separately connected sub-controller (that is,
The substation PLC) input terminal, for example, RS485 can be passed through between the first detection device 70, the 4th detection device 100 and sub-controller
It is communicated.The input terminal of the output end connection master controller of sub-controller, as an example, between sub-controller and master controller
It can be attached by optical fiber, the output end of master controller connects monitor terminal 110, so that monitor terminal 110 is via main control
Device and sub-controller obtain the output power of generator 10 and described from the first detection device 70 and the 4th detection device 100 respectively
The power consumption of each control system.
Second detection device 80 and the output end of third detection device 90 are separately connected the input terminal of master controller, so that prison
Control terminal 110 obtains the output work of current transformer 30 via master controller from second detection device 80 and third detection device 90 respectively
The output power of rate and the second transformer 50.
As an example, the data monitoring system of above-mentioned main-slave structure can be in the form of ModBus bus communication as communication link
Road is parallel to blower PLC master control system independent operating, and acquires the partial data in master control system simultaneously by communication bus,
It is synchronized in acquisition data, is saved in the PLC of data monitoring system according to reference axis at the same time.
It should be understood that the data monitoring system for wind power generating set of exemplary embodiment of the present should first obtain blower
The timestamp (all data be all subject to the PLC timestamp) of main control PLC, to guarantee the same of data monitoring system and unit data
Step.
Using the data monitoring system for wind power generating set of exemplary embodiment of the present, can be sent out for wind-force
The pusher side of motor group and the output power of net side carry out long-term on-line measurement, obtain the running actual measurement number of wind power generating set
According to facilitate the loss analysis to wind power generating set.
In addition, using the above-mentioned data monitoring system for wind power generating set of exemplary embodiment of the present, it can
Realize the accurate measurement to direct wind-driven generator group pusher side low frequency high current.And the master-that above-mentioned data monitoring system is built
Flexibility, which can be increased, from control platform reduces cost, and guarantees the precision of test.
In addition, can be directed to using the data monitoring system for wind power generating set of exemplary embodiment of the present
Pusher side, net side and each control system of wind power generating set carry out long-term on-line measurement, to facilitate to wind power generating set
Loss analysis.
In addition, using the data monitoring system for wind power generating set of exemplary embodiment of the present, according to wind-force
The measured data of generating set has built a set of effective data processing platform (DPP), it can be achieved that real time monitoring grid power quality.
Although being particularly shown and describing the present invention, those skilled in the art referring to its exemplary embodiment
It should be understood that in the case where not departing from the spirit and scope of the present invention defined by claim form can be carried out to it
With the various changes in details.
Claims (13)
1. a kind of data monitoring system for wind power generating set, wind power generating set includes the generator for producing electricl energy
With the current transformer of the power output for generating generator to outer net, which is characterized in that the data monitoring system includes:
First detection device, input terminal connect the winding of generator, and for detecting the output power of generator, output end connects
Connect monitor terminal；
Second detection device, input terminal connects the output end of current transformer, for detecting the output power of current transformer, output end
Connect monitor terminal；
Monitor terminal, the output power of the generator based on the detection of the first detection device and the current transformer of second detection device detection
Output power to wind power generating set carry out loss analysis.
2. data monitoring system according to claim 1, which is characterized in that the input terminal of the first detection device is connected to hair
Between the winding of motor and the switching being arranged between generator and current transformer switch,
The input terminal of second detection device is connected to the output end of current transformer and is used to be converted to the electric energy that generator generates outer
Between first transformer of net electric energy.
3. data monitoring system according to claim 1 or 2, which is characterized in that the data monitoring system further include:
Second transformer, input terminal connect the output end of current transformer, and output end connects at least one in wind power generating set
A control system, to be powered at least one described control system；
Third detection device, input terminal connects the output end of the second transformer, for detecting the output power of the second transformer,
Its output end connects monitor terminal, so that monitor terminal obtains the output power of the second transformer from third detection device.
4. data monitoring system according to claim 3, which is characterized in that monitor terminal is according to the output power of current transformer
The grid-connected power of wind power generating set is determined with the output power of the second transformer.
5. data monitoring system according to claim 4, which is characterized in that monitor terminal is by by the output work of current transformer
The output power of rate and the second transformer, which subtracts each other, obtains grid-connected power.
6. data monitoring system according to claim 4, which is characterized in that monitor terminal is according to the output power of generator
The electricity loss of the main current supply circuit of wind power generating set is determined with grid-connected power.
7. data monitoring system according to claim 6, which is characterized in that monitor terminal is by by the output work of generator
Rate and grid-connected power subtract each other the electricity loss for obtaining main current supply circuit.
8. data monitoring system according to claim 3, which is characterized in that the data monitoring system further include:
4th detection device, input terminal are respectively connected to the input of at least one control system in wind power generating set
End, for detecting the power consumption of each control system respectively, output end connects monitor terminal, so that monitor terminal is examined from the 4th
It surveys device and obtains the power consumption of each control system, and determined based on the power consumption of each control system of acquisition
The electricity loss of each control system.
9. data monitoring system according to claim 8, which is characterized in that at least one described control system includes yaw
Control system, variable blade control system, cooling control system and water-cooling control system, the 4th detection device include the first son detection dress
It sets, the second sub- detection device, the sub- detection device of third and the 4th sub- detection device,
Wherein, the input terminal of the input terminal connection yaw control system of the first sub- detection device, for detecting yaw control system
Power consumption, the output end of the first sub- detection device connects monitor terminal, so that monitor terminal is obtained from the first sub- detection device
The power consumption of yaw control system, and determine according to the power consumption of the yaw control system of acquisition the electricity consumption of yaw control system
Loss,
The input terminal of the input terminal connection variable blade control system of second sub- detection device, for detecting the power consumption of variable blade control system
The output end of amount, the second sub- detection device connects monitor terminal, so that monitor terminal obtains variable pitch control from the second sub- detection device
The power consumption of system processed, and determine according to the power consumption of the variable blade control system of acquisition the electricity loss of variable blade control system,
The input terminal of the input terminal connection cooling control system of the sub- detection device of third, for detecting the power consumption of cooling control system
The output end of amount, the sub- detection device of third connects monitor terminal, so that monitor terminal obtains heat dissipation control from the sub- detection device of third
The power consumption of system processed, and determine according to the power consumption of the cooling control system of acquisition the electricity loss of cooling control system,
The input terminal of the input terminal connection water-cooling control system of 4th sub- detection device, for detecting the power consumption of water-cooling control system
The output end of amount, the 4th sub- detection device connects monitor terminal, so that monitor terminal obtains water cooling control from the 4th sub- detection device
The power consumption of system processed, and determine according to the power consumption of the water-cooling control system of acquisition the electricity loss of water-cooling control system.
10. data monitoring system according to claim 2, which is characterized in that the first detection device includes that the first electric current is mutual
Sensor and the first intelligent electric meter,
Wherein, the first current transformer includes U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor, is separately connected
To generator winding and switching switch first end between, measure the current signal of generator output end, and by the hair of measurement
The current signal of motor output end is sent to the first intelligent electric meter,
First intelligent electric meter also detects the output voltage of the winding of generator, and the first intelligent electric meter is adopted according to the current transformer
The current signal of collection and the output voltage of detection determine the output power of generator,
Wherein, second detection device includes the second current transformer and the second intelligent electric meter,
Wherein, the second current transformer includes U phase current mutual inductor, V phase current mutual inductor, W phase current mutual inductor, is separately connected
To current transformer output end and the second transformer input terminal between, measure current transformer output end current signal, and will measurement
The current signal of current transformer output end be sent to the second intelligent electric meter,
Second intelligent electric meter also detects the output voltage of current transformer output end, and the second intelligent electric meter is adopted according to the current transformer
The current signal of collection and the output voltage of detection determine the output power of current transformer.
11. data monitoring system according to claim 8, which is characterized in that the first detection device, second detection device,
Third detection device, each detection device in the 4th detection device output end connect monitor terminal via interchanger so that
Monitor terminal obtains the data that each detection device detects from each detection device via interchanger.
12. data monitoring system according to claim 8, which is characterized in that the data monitoring system further include: sub- control
Device and master controller processed,
The output end of first detection device and the 4th detection device is separately connected the input terminal of sub-controller, the output of sub-controller
The input terminal of end connection master controller, the output end of master controller connects monitor terminal, so that monitor terminal is via master controller
With sub-controller respectively from the output power and each control of the first detection device and the 4th detection device acquisition generator
The power consumption of system,
Second detection device and the output end of third detection device are separately connected the input terminal of master controller, so that monitor terminal passes through
Obtain the output power and the second transformer of current transformer from second detection device and third detection device respectively by master controller
Output power.
13. data monitoring system according to claim 12, which is characterized in that generator, switching switch, the first detection dress
It sets, the 4th detection device and sub-controller are arranged in cabin, current transformer, second detection device, third detection device and main control
Device is arranged in tower bottom.
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080150285A1 (en) * | 2006-12-22 | 2008-06-26 | Wind To Power System, S.L. | Doubly-controlled asynchronous generator |
| US20100314872A1 (en) * | 2009-06-12 | 2010-12-16 | Robert Gregory Wagoner | Methods and systems for operating a wind turbine power converter |
| CN102163850A (en) * | 2010-02-22 | 2011-08-24 | 北京动力机械研究所 | Wind power generation grid-connected switching system and method |
| CN202454945U (en) * | 2012-02-16 | 2012-09-26 | 大连恩泽电器有限责任公司 | Wind power transformer substation with loss on-line monitoring function |
| CN102769306A (en) * | 2012-07-13 | 2012-11-07 | 兰州交通大学 | Low voltage ride through control method for network side inverter of permanent magnet direct drive wind power system |
| CN102830692A (en) * | 2012-08-08 | 2012-12-19 | 中国电力科学研究院 | Low-voltage ride through consistency testing system and method of main control system of wind turbine generator |
| CN203037734U (en) * | 2013-01-21 | 2013-07-03 | 国电联合动力技术有限公司 | Wind generating set self consumption measuring apparatus |
| CN103368254A (en) * | 2012-04-04 | 2013-10-23 | 歌美飒创新技术公司 | Power generation and distribution system for wind turbine |
| CN103490440A (en) * | 2012-06-12 | 2014-01-01 | 华锐风电科技(集团)股份有限公司 | Mixed convertor device and method suitable for double-fed wind turbine system |
| US20140306526A1 (en) * | 2013-03-05 | 2014-10-16 | General Electric Company | Power converter and methods for increasing power delivery of soft alternating current power source |
| US20140319838A1 (en) * | 2013-04-26 | 2014-10-30 | General Electric Company | Switching-based control for a power converter |
| CN104296990A (en) * | 2014-09-22 | 2015-01-21 | 东方电气集团东方汽轮机有限公司 | Device and method for testing transmission chain efficiency of wind generating set |
| WO2015028399A1 (en) * | 2013-08-27 | 2015-03-05 | Senvion Se | Wind turbine comprising an internal power supply unit |
| US9190923B2 (en) * | 2011-05-30 | 2015-11-17 | General Electric Company | System and method for converter switching frequency control |
| CN106357178A (en) * | 2016-09-30 | 2017-01-25 | 中车株洲电力机车研究所有限公司 | Method for optimum controlling for electric transmission system of low-speed direct-drive wind turbine generator |
| EP3125401A1 (en) * | 2015-07-31 | 2017-02-01 | Senvion GmbH | Wind turbine with voltage-controlled internal requirements power supply |
| CN206096259U (en) * | 2016-10-19 | 2017-04-12 | 龙源（北京）风电工程技术有限公司 | Two -way electric energy metering device of wind generating set and wind generating set |
| US20170229907A1 (en) * | 2016-02-10 | 2017-08-10 | General Electric Company | System and Method For Operating A Wind Turbine |
-
2017
- 2017-09-25 CN CN201710873092.8A patent/CN109555652B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080150285A1 (en) * | 2006-12-22 | 2008-06-26 | Wind To Power System, S.L. | Doubly-controlled asynchronous generator |
| US20100314872A1 (en) * | 2009-06-12 | 2010-12-16 | Robert Gregory Wagoner | Methods and systems for operating a wind turbine power converter |
| CN102163850A (en) * | 2010-02-22 | 2011-08-24 | 北京动力机械研究所 | Wind power generation grid-connected switching system and method |
| US9190923B2 (en) * | 2011-05-30 | 2015-11-17 | General Electric Company | System and method for converter switching frequency control |
| CN202454945U (en) * | 2012-02-16 | 2012-09-26 | 大连恩泽电器有限责任公司 | Wind power transformer substation with loss on-line monitoring function |
| CN103368254A (en) * | 2012-04-04 | 2013-10-23 | 歌美飒创新技术公司 | Power generation and distribution system for wind turbine |
| CN103490440A (en) * | 2012-06-12 | 2014-01-01 | 华锐风电科技(集团)股份有限公司 | Mixed convertor device and method suitable for double-fed wind turbine system |
| CN102769306A (en) * | 2012-07-13 | 2012-11-07 | 兰州交通大学 | Low voltage ride through control method for network side inverter of permanent magnet direct drive wind power system |
| CN102830692A (en) * | 2012-08-08 | 2012-12-19 | 中国电力科学研究院 | Low-voltage ride through consistency testing system and method of main control system of wind turbine generator |
| CN203037734U (en) * | 2013-01-21 | 2013-07-03 | 国电联合动力技术有限公司 | Wind generating set self consumption measuring apparatus |
| US20140306526A1 (en) * | 2013-03-05 | 2014-10-16 | General Electric Company | Power converter and methods for increasing power delivery of soft alternating current power source |
| US20140319838A1 (en) * | 2013-04-26 | 2014-10-30 | General Electric Company | Switching-based control for a power converter |
| WO2015028399A1 (en) * | 2013-08-27 | 2015-03-05 | Senvion Se | Wind turbine comprising an internal power supply unit |
| CN104296990A (en) * | 2014-09-22 | 2015-01-21 | 东方电气集团东方汽轮机有限公司 | Device and method for testing transmission chain efficiency of wind generating set |
| EP3125401A1 (en) * | 2015-07-31 | 2017-02-01 | Senvion GmbH | Wind turbine with voltage-controlled internal requirements power supply |
| US20170229907A1 (en) * | 2016-02-10 | 2017-08-10 | General Electric Company | System and Method For Operating A Wind Turbine |
| CN106357178A (en) * | 2016-09-30 | 2017-01-25 | 中车株洲电力机车研究所有限公司 | Method for optimum controlling for electric transmission system of low-speed direct-drive wind turbine generator |
| CN206096259U (en) * | 2016-10-19 | 2017-04-12 | 龙源（北京）风电工程技术有限公司 | Two -way electric energy metering device of wind generating set and wind generating set |
Non-Patent Citations (2)
| Title |
|---|
| 景巍等: "永磁直驱风电变流器功率器件损耗分析", 《电力系统及其自动化学报》 * |
| 杨光磊等: "风电场工程节能评估中电能损耗的计算方法", 《华电技术》 * |
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