CN210564905U - Comprehensive testing device of double-fed wind generating set - Google Patents
Comprehensive testing device of double-fed wind generating set Download PDFInfo
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- CN210564905U CN210564905U CN201921287028.2U CN201921287028U CN210564905U CN 210564905 U CN210564905 U CN 210564905U CN 201921287028 U CN201921287028 U CN 201921287028U CN 210564905 U CN210564905 U CN 210564905U
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- 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
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- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The comprehensive testing device of the doubly-fed wind generating set comprises a generating cabinet, a joint debugging control cabinet and a dragging frequency conversion cabinet, wherein the joint debugging control cabinet and the dragging frequency conversion cabinet are fixedly installed at the top of the generating cabinet; install debugging system PLC controller and drag system PLC controller in the antithetical couplet transfers the switch board, debugging system PLC controller and cabin PLC controller with become oar PLC controller communication connection, drag system PLC controller with drag converter communication connection, still install the transformer that is used for the power step-down in the antithetical couplet transfers the switch board, still install the touch-sensitive screen of being convenient for instruction input and information display on the cabinet door of antithetical couplet transfers the switch board. The device reasonable in design, multiple functional can carry out static debugging and drag the test to wind generating set in the effect interval of no power to the efficiency of software testing is high, guarantees generating set's safety, quick the use of coming into operation.
Description
Technical Field
The utility model relates to a wind power generation technical field, especially a double-fed formula wind generating set's integrated test device.
Background
The joint debugging test technology of the wind generating set is a key technology in the field of wind power and is a weak link of domestic wind power manufacturers. The existing wind generating set joint debugging test needs stable power supply, so that a joint debugging test site is limited to a production test workshop and other fixed places with power supply, the application of a joint debugging test technology to wind power plants, unit warehouses, open-air stagnant unit storage yards and other places without stable power supply is greatly limited, if the joint debugging test needs to be carried out in the places, a large amount of manpower and material resources are needed to arrange a power supply device and a cable, and the additional production cost of the wind generating set is increased.
The debugging and testing of the wind generating set needs to be carried out static debugging and dragging testing, while the existing debugging and testing technology separately carries out the static debugging and dragging testing of the fan, needs to use two sets of testing devices and operating methods which are respectively used for the static debugging and dragging testing, has complex operation, and has larger potential safety hazard when different testing devices are mutually switched.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide an easy and simple to handle, safe and reliable, multiple functional, but the independent work is in the operation interval's of no power supply double-fed formula wind generating set's comprehensive testing device.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a comprehensive testing device of a double-fed wind generating set, which comprises a generating cabinet, a joint debugging control cabinet and a dragging frequency conversion cabinet, wherein the joint debugging control cabinet and the dragging frequency conversion cabinet are fixedly arranged at the top of the generating cabinet; a dragging frequency converter is installed in the dragging frequency conversion cabinet, and the output end of the dragging frequency converter is connected with a cable used for being connected with a terminal at the stator side of the double-fed wind driven generator; install debugging system PLC controller and drag system PLC controller in the antithetical couplet transfers the switch board, be connected with on the debugging system PLC controller be used for with cabin PLC controller with become the communication module that oar PLC controller communication is connected, drag system PLC controller with drag the converter communication and be connected, still install the transformer that is used for the power step-down in the antithetical couplet transfers the switch board, still install the touch-sensitive screen of being convenient for instruction input and information display on the cabinet door of antithetical couplet transfers the switch board, the touch-sensitive screen is connected with debugging system PLC controller and drag system PLC controller.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above doubly-fed formula wind generating set's comprehensive testing device, the power of electricity generation rack for alliing oneself with transfers the switch board and drag the frequency conversion cabinet power supply is the 690V alternating current, and the power after the transformer step-down is the 400V alternating current.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above doubly present formula wind generating set's comprehensive testing arrangement, power source includes 400V alternating current interface and 24V direct current interface.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above doubly-fed formula wind generating set's comprehensive testing device, debugging system PLC controller is provided with two at least.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above doubly-fed formula wind generating set's comprehensive testing device, still install a plurality of pilot lamps and button on the cabinet door of antithetical couplet accent switch board.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above doubly-fed formula wind generating set's comprehensive testing device, the bottom of electricity generation rack is provided with the truckle of being convenient for to remove, all is provided with the handle on electricity generation rack, antithetical couplet transfers the switch board and the cabinet door that drags the frequency conversion cabinet, antithetical couplet transfers the switch board and the top that drags the frequency conversion cabinet all is provided with the lug.
Compared with the prior art, the utility model discloses a debugging system PLC controller is connected with cabin PLC controller, becomes oar PLC controller, carries out static debugging, specifically is to the control logic and the control strategy of cabin PLC controller, the oar PLC controller debug, also can carry out real-time supervision to each part state condition of cabin, the oar system simultaneously; the dragging frequency converter is connected with the wiring terminal of the rotor of the doubly-fed wind driven generator, dragging tests are carried out, meanwhile, the temperature rise condition of important parts of main equipment in the fan can be observed, and the debugging reliability is guaranteed; and secondly, a power supply is provided for the test process through the power generation cabinet, so that the device can work independently in an operation interval without power supply. The device reasonable in design, multiple functional can carry out static debugging and drag the test to wind generating set in the effect interval of no power to the efficiency of software testing is high, guarantees generating set's safety, quick the use of coming into operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the joint debugging control cabinet of the present invention;
FIG. 3 is a schematic view of the power cable connection of the present invention;
fig. 4 is a control schematic block diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the comprehensive testing device of the double-fed wind generating set comprises a generating cabinet 2, a joint debugging control cabinet 1 and a dragging frequency conversion cabinet 3 which are fixedly arranged at the top of the generating cabinet 2, wherein a generator is arranged in the generating cabinet 2, so that independent power generation is facilitated, a power supply is provided for the device, and a diesel generator is usually adopted; the joint debugging control cabinet 1 and the dragging frequency conversion cabinet 3 are respectively connected with the power generation cabinet 2 through power supply cables, and the side part of the joint debugging control cabinet 1 is also provided with a power supply interface for connecting and supplying power with an engine room control system and a variable pitch control system; a dragging frequency converter is installed in the dragging frequency conversion cabinet 3, and the output end of the dragging frequency converter is connected with a cable for connecting with a terminal at the stator side of the doubly-fed wind driven generator and is used for carrying out dragging tests; a debugging system PLC controller 4 and a dragging system PLC controller 5 are installed in the joint debugging control cabinet 1, a communication module for being in communication connection with the cabin PLC controller and the pitch PLC controller is connected to the debugging system PLC controller 4, in practical application, the debugging system PLC controller 4 is connected with the cabin PLC controller and the pitch PLC controller through optical fibers, the dragging system PLC controller 5 is in communication connection with a dragging frequency converter, a transformer 6 for reducing power supply is also installed in the joint debugging control cabinet 1, the high-voltage end of the transformer 6 is connected with a generator, the low-voltage end is connected with a power supply input wiring end of the joint debugging control cabinet 1 and used for reducing the high voltage output by the generator and then inputting the high voltage into the joint debugging control cabinet 1 so as to meet the voltage requirement; still install the touch-sensitive screen 8 that is convenient for instruction input and information display on the cabinet door of antithetical couplet accent switch board 1, touch-sensitive screen 8 passes through the serial port line and is connected with debugging system PLC controller 4 and drag system PLC controller 5. Related low-voltage electrical appliances 7 such as relays, contactors and the like are also configured in the power generation cabinet 2, the joint debugging control cabinet 1 and the dragging frequency conversion cabinet 3 according to actual needs;
the power supply of the power generation cabinet 2 for the joint debugging control cabinet 1 and the dragging frequency conversion cabinet 3 is 690V alternating current, and the power supply of the transformer 6 after voltage reduction is 400V alternating current. The power generation cabinet 2 is connected with the dragging variable frequency cabinet 3 through a cable, and 690V alternating current is supplied to the dragging variable frequency cabinet 3 through power generation of a generator; the power generation cabinet 2 is connected with a transformer 6 in the joint debugging control cabinet 1 through a cable, 690V alternating current generated by a power generator is reduced in voltage through the transformer 6, and 400V alternating current is obtained and supplied to the joint debugging control cabinet 1.
The power interface comprises a 400V alternating current interface and a 24V direct current interface. The 400V alternating current interface and the 24V direct current interface are connected in parallel, an aviation plug 9 is adopted, 400V alternating current and 24V direct current are supplied to the cabin control system and the variable pitch control system respectively, and the aviation plug 9 is located on the side edge of the joint adjusting control cabinet 1 and is convenient to plug.
The debugging system PLC controller 4 is provided with two at least, and the debugging control PLC controller includes PLC power module, CPU module, optic fibre module, analog input output module, digital input output module, storage module etc. can set up a plurality ofly according to actual need, is used for multiple model wind generating set's debugging respectively.
Still install a plurality of pilot lamps 10 and button 11 on the cabinet door of allies oneself with accent switch board 1, pilot lamp 10 includes power indicator 10, opening door pilot lamp 10, generator work pilot lamp 10 etc. and button 11 includes scram button 11, power button 11, start button 11 etc. can dispose pilot lamp 10 and button 11 according to actual need.
The bottom of electricity generation rack 2 is provided with the truckle 12 of being convenient for remove, all is provided with handle 13 on electricity generation rack 2, antithetical couplet transfers switch board 1 and the cabinet door that drags converter cabinet 3, and antithetical couplet transfers switch board 1 and drags the top of converter cabinet 3 and all is provided with lug 14. 4 casters 12 are provided to facilitate horizontal movement of the device; 1 handle 13 is arranged on the cabinet doors of the power generation cabinet 2, the joint debugging control cabinet 1 and the dragging frequency conversion cabinet 3, so that the cabinet doors can be opened and closed conveniently; the top of alliing oneself with accent switch board 1 and dragging frequency conversion cabinet 3 all is provided with 4 lugs 14, convenient hoist and mount, the device's of being convenient for vertical removal.
During testing, the power generation cabinet 2 is connected with the dragging frequency converter cabinet through a cable, the power generation cabinet 2 is connected with a step-down transformer 6 in the joint debugging control cabinet 1 through a cable, the step-down transformer 6 is connected with the joint debugging control cabinet 1 through a cable, the joint debugging control cabinet 1 is connected with the engine room and a variable propeller through cables, finally, the dragging frequency converter cabinet 3 is connected with a rotor wiring end of the doubly-fed wind driven generator through a cable, and a stator side wiring end of the doubly-fed wind driven generator is in short circuit through a short circuit cable. Connecting a debugging system PLC controller 4 with a cabin PLC controller and a variable pitch PLC controller through optical fibers, and connecting the debugging system PLC and a dragging system PLC controller 5 with a touch screen 8 through serial port lines;
after wiring is finished, a static debugging link can be entered, wherein the main content of the static debugging is to perform function test on each component under the static condition of the wind generating set and debug the control logic and control strategy of the cabin PLC and the variable pitch PLC;
firstly, the device is subjected to insulation test, and after the insulation test is qualified, the generator is started to supply power to the joint debugging control cabinet 1, the dragging frequency conversion cabinet 3, the engine room and the variable propeller. Starting a debugging system PLC controller 4, a dragging system PLC controller 5, a cabin PLC controller and a variable pitch PLC controller through low-voltage electrical elements, starting a touch screen 8, opening debugging software, entering a cabin and variable pitch state monitoring interface, checking the state change condition of each part of a fan, entering a fan static test operation interface after the state change condition is qualified, and enabling the debugging system PLC controller 4 to send a control instruction by clicking an operation option on the operation interface to drive each part of the cabin and the variable pitch to act so as to detect the installation precision and the assembly quality of each part of the fan; meanwhile, when the engine room and each variable pitch component are debugged, the state conditions (pressure, temperature, rotating speed, amplitude and the like) of the engine room and each variable pitch component are fed back to the debugging system PLC controller 4 through various sensors and induction elements arranged at the tail ends of the components, and then the state conditions are displayed in the monitoring interface of the engine room and the variable pitch state in the touch screen 8, so that real-time control and real-time monitoring in the debugging process are realized.
After the static debugging is finished, a dragging test link can be carried out, the principle of the dragging test is that a dragging frequency converter is connected with a rotor wiring end of a doubly-fed wind driven generator through a cable, two short-circuit cables are used for short-circuit the stator side of the generator, the generator is changed into a motor for use, a fan transmission chain is dragged reversely to rotate, and the rotation of a fan is simulated, so that the installation quality, the assembly effect and the structural stability of each part of the fan are detected;
firstly, the dragging frequency conversion cabinet 3 and the double-fed wind generating set are subjected to insulation test and phase sequence check, after the check is qualified, starting a dragging system PLC controller 5, firstly clicking a touch screen 8 to enter a state monitoring interface of a dragging frequency conversion cabinet 3, checking whether each basic parameter of the dragging frequency conversion cabinet 3 is normal, clicking the touch screen 8 to enter an operation interface of the dragging frequency conversion cabinet 3 after the basic parameter is checked to be qualified, by clicking the operation option on the operation interface, the system operation interface is controlled to give 10% torque or given rotating speed of 300r/min through the dragging frequency converter on the touch screen 8, at the moment, the dragging frequency converter starts to output with the given torque or rotating speed to drive the double-fed wind generating set to rotate, and checking the motor current, wherein the motor current is about 60A, standing at the tail of the fan to observe the impeller, and the impeller starts to rotate slowly in the anticlockwise direction. After the stable operation is carried out for 10 minutes at the given torque, the given torque is adjusted to 20 percent or the given rotating speed is adjusted to 600r/min, the stable operation is carried out for 20 minutes, finally the given torque is adjusted to 30 percent or the given rotating speed is adjusted to 900r/min, the motor current is checked, the motor current is about 120A at the moment, the stable operation is carried out for 30 minutes, and the dragging test can be finished when the fan is not abnormal. During the period, the temperature rise of important parts of main equipment in the fan is mainly observed, such as the temperature of a generator winding, the temperature of a generator bearing, the temperature of a gearbox oil, the temperature of a gearbox bearing, the temperature of front and rear bearings of a main shaft of a transmission chain and the like, the rotating parts and the bearings have no noise or vibration when the fan is listened to at different rotating speeds, and a tester monitors the data through a dragging test monitoring interface of the touch screen 8 to judge whether the running condition of the equipment is normal or not.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. The comprehensive testing device of the double-fed wind generating set is characterized in that: the device comprises a power generation cabinet, a joint debugging control cabinet and a dragging frequency conversion cabinet which are fixedly arranged at the top of the power generation cabinet, wherein a power generator is arranged in the power generation cabinet, the joint debugging control cabinet and the dragging frequency conversion cabinet are respectively connected with the power generation cabinet through power supply cables, and the side part of the joint debugging control cabinet is also provided with a power supply interface for connecting and supplying power with an engine room control system and a variable pitch control system; a dragging frequency converter is installed in the dragging frequency conversion cabinet, and the output end of the dragging frequency converter is connected with a cable used for being connected with a terminal at the stator side of the double-fed wind driven generator; install debugging system PLC controller and drag system PLC controller in the antithetical couplet transfers the switch board, be connected with on the debugging system PLC controller be used for with cabin PLC controller with become the communication module that oar PLC controller communication is connected, drag system PLC controller with drag the converter communication and be connected, still install the transformer that is used for the power step-down in the antithetical couplet transfers the switch board, still install the touch-sensitive screen of being convenient for instruction input and information display on the cabinet door of antithetical couplet transfers the switch board, the touch-sensitive screen is connected with debugging system PLC controller and drag system PLC controller.
2. The integrated test device of the doubly-fed wind generating set according to claim 1, wherein: the power supply of the power generation cabinet for the joint debugging control cabinet and the dragging frequency conversion cabinet is 690V alternating current, and the power supply after voltage reduction of the transformer is 400V alternating current.
3. The integrated test device of the doubly-fed wind generating set according to claim 1, wherein: the power interface comprises a 400V alternating current interface and a 24V direct current interface.
4. The integrated test device of the doubly-fed wind generating set according to claim 1, wherein: the debugging system PLC controller is provided with two at least.
5. The integrated test device of the doubly-fed wind generating set according to claim 1, wherein: and a plurality of indicator lamps and buttons are also arranged on the cabinet door of the joint debugging control cabinet.
6. The integrated test device of the doubly-fed wind generating set according to claim 1, wherein: the bottom of electricity generation rack is provided with the truckle of being convenient for to remove, all is provided with the handle on electricity generation rack, antithetical couplet transfers the switch board and drags the cabinet door of inverter cabinet, and antithetical couplet transfers the switch board and drags the top of inverter cabinet all to be provided with the lug.
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| CN201921287028.2U CN210564905U (en) | 2019-08-09 | 2019-08-09 | Comprehensive testing device of double-fed wind generating set |
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| CN201921287028.2U CN210564905U (en) | 2019-08-09 | 2019-08-09 | Comprehensive testing device of double-fed wind generating set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210198075A1 (en) * | 2019-12-31 | 2021-07-01 | Taiyuan University Of Science And Technology | Device and method for detecting flatness of sheet material |
| CN114323517A (en) * | 2021-12-13 | 2022-04-12 | 陕西航空电气有限责任公司 | Generator environment test system dragged by rigid shaft |
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2019
- 2019-08-09 CN CN201921287028.2U patent/CN210564905U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210198075A1 (en) * | 2019-12-31 | 2021-07-01 | Taiyuan University Of Science And Technology | Device and method for detecting flatness of sheet material |
| US11891261B2 (en) * | 2019-12-31 | 2024-02-06 | Taiyuan University Of Science And Technology | Device and method for detecting flatness of sheet material |
| CN114323517A (en) * | 2021-12-13 | 2022-04-12 | 陕西航空电气有限责任公司 | Generator environment test system dragged by rigid shaft |
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Address after: 222069 west side of Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province (south of Dongfang Avenue) Patentee after: Guoneng United Power Technology (Lianyungang) Co.,Ltd. Address before: 222000 No.88 Dapu Road, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province Patentee before: Guodian United Power Technology (Lianyungang) Co.,Ltd. |