CN111722035A - Wind power quality intelligent test system - Google Patents
Wind power quality intelligent test system Download PDFInfo
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- CN111722035A CN111722035A CN202010528739.5A CN202010528739A CN111722035A CN 111722035 A CN111722035 A CN 111722035A CN 202010528739 A CN202010528739 A CN 202010528739A CN 111722035 A CN111722035 A CN 111722035A
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 53
- 238000012372 quality testing Methods 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000012806 monitoring device Methods 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000010248 power generation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
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Abstract
The invention discloses an intelligent wind power quality testing system which comprises a data acquisition module, a power supply module, a switch protection module, a temperature and humidity adjusting module, a remote monitoring module and an electromagnetic interference prevention module, wherein the data acquisition module is used for acquiring a wind power signal; the data acquisition module is used for acquiring field test data, the power supply module is used for continuously supplying power to a power supply of the test system, the switch protection module is used for switching and protecting a circuit, the temperature and humidity adjusting module is used for adjusting the temperature and humidity of the test system, the remote monitoring module is used for acquiring, monitoring and storing data, and the electromagnetic interference preventing module is used for effectively isolating electromagnetic interference generated around the test system. The invention fully solves the problems encountered in field test, ensures the safety, reliability and convenience of the test system, and provides an intelligent test system for the wind power quality for the power quality test in the wind power industry.
Description
Technical Field
The invention belongs to the technical field of electric control equipment testing, and particularly relates to an intelligent wind power quality testing system.
Background
With the continuous development of the wind power industry, the on-hook capacity is expected to be more and more from the onshore to the offshore gradually. The wind power generation system based on land or sea has the advantages that when the wind power generation unit is hung up, the whole plant needs to be subjected to pretesting, and the electric energy quality characteristic of the whole wind power generation unit meets the international standard requirement. The wind turbine generator is also subjected to examination of external environments such as high temperature, low temperature, humidity, salt fog, corrosion degree and the like according to different sites, for example, in inner Mongolia, northern Hebei, northeast and other areas, the wind turbine generator is relatively cold in winter, and offshore wind power has very high salt fog and the like. Measuring devices used in the field generally have: a Rogowski coil CWT30B for measuring current, wherein the power supply temperature range is 0-40 ℃; and a data collector DEWE2600 for measuring harmonic flicker, the working temperature of which is 0-50 ℃, which are all subject to the above environment.
The on-site wind power complete machine hanging needs electric energy quality pre-test, and a power supply of a test system is taken from a converter module in a wind power module. In the power distribution network, the problems of voltage fluctuation and over-high or over-low voltage of a loop are inevitable, and the quality of a power supply of the test system is influenced.
In addition, the wind power generation is in a strong electromagnetic environment in the operation process, and certain interference can be generated on the measuring equipment. The measuring platform generally includes measuring equipment, a power supply, a collection terminal (computer), a network cable and the like. The power supply directly gets electricity on the scene, and measuring equipment directly is connected with power supply through the wire, and the data that outside power supply quality has direct influence to measuring equipment gathers have two kinds of possibilities, and one is through the cable transmit to measuring equipment in, and its second is through space coupling to measuring equipment in. The measurement device is directly exposed to the air in field use, and the device is also tested.
Generally, in actual measurement, wind power equipment needs to have a certain requirement on wind power to generate electric quantity with full power load, but due to uncontrollable nature of weather, the content to be measured cannot be guaranteed to be tested at one time according to power grade, particularly, with application of offshore wind power products, an offshore platform needs to be tested, which is a great test for personnel and equipment, and due to uncertainty of wind volume, the measuring personnel needs to wait for a long time on site.
Therefore, aiming at the problems, the wind power quality intelligent test system can solve the problem that under the condition of no wind or little wind, the back-and-forth wave of testers to the site is reduced, convenience and quickness are realized, and the wind power quality intelligent test system has important practical significance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an intelligent wind power quality testing system which can reduce the back-and-forth wave of testers going to the site and realize convenience and quickness under the condition of no wind or little wind.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
an intelligent wind power quality testing system comprises a data acquisition module, a power supply module, a switch protection module, a temperature and humidity adjusting module, a remote monitoring module and an electromagnetic interference prevention module;
the switch protection module comprises a primary protection switch module, a secondary protection switch module and a tertiary protection switch module; the input end of the primary protection switch module is connected with an external power supply, and the output end of the primary protection switch module is connected with the power supply module and the tertiary protection switch module;
the output end of the power supply module is connected with the input end of the temperature and humidity adjusting module and the input end of the remote monitoring module, the output end of the power supply module is connected with the input end of the secondary protection switch module, the output end of the secondary protection switch module is connected with the input end of the data acquisition module, the input end of the temperature and humidity adjusting module and the input end of the remote monitoring module, the input end of the tertiary protection switch module is connected with the output end of the primary protection switch module, the output end of the tertiary protection switch module is connected with the input end of the data acquisition module, the input end of the temperature and humidity adjusting module and the input end of the remote monitoring module, the data acquisition module is in communication connection with the remote monitoring module, and the remote monitoring module is connected with the primary protection switch module;
the electromagnetic interference prevention module comprises a magnetic ring and a shielding wire, and the magnetic ring is connected with the input end of the power supply module, the input end of the data acquisition module and the input end of the remote monitoring module; the shielding wire connects the grounding wires of the data acquisition module, the temperature and humidity adjusting module and the remote monitoring module together.
Further, the temperature and humidity control module comprises a temperature sensor, a humidity sensor, a heating module and a heat dissipation module, the temperature sensor, the humidity sensor, the heating module and the heat dissipation module are all electrically connected with the remote monitoring module, the temperature sensor, the humidity sensor, a data acquisition module, a power module, a switch protection module, the remote monitoring module and the electromagnetic interference prevention module are used for acquiring air temperature and humidity, and the remote monitoring module controls the work of the heating module and the heat dissipation module.
Furthermore, the power module comprises a UPS power supply, a battery energy storage module and a switching power supply, the battery energy storage module supplies power to the UPS power supply, and the output end of the UPS power supply is connected with the input end of the switching power supply.
Furthermore, the first-stage protection switch module and the second-stage protection switch module can be selected as leakage protection switches with auxiliary contacts, and the third-stage protection switch module comprises a miniature circuit breaker, a contactor and an intermediate relay.
Furthermore, the data acquisition module comprises a voltage collector, a current collector, a storage module and a communication module, wherein the voltage collector and the current collector can collect voltage and current output by the field wind power generator, the storage module stores the collected data, and the communication module can send the data in the storage module to the remote monitoring module.
Furthermore, the remote monitoring module comprises a PLC module, a monitoring device, a wireless transmitting module and a terminal device, the monitoring device is connected with the data acquisition module through a communication module, the PLC module is in communication connection with the monitoring device, and the acquired data is transmitted to the terminal device through the wireless transmitting module.
The invention has the advantages and positive effects that:
when an external power supply is abnormal, the whole test system can be protected at a critical moment, the data acquisition module or other modules are continuously supported by the power supply, abnormal data are stored, and later analysis by testers is facilitated; in addition, electromagnetic interference generated when the wind power module or other modules run can be shielded, and interference generated when the data acquisition module records data can be reduced; the environment temperature of the test system can be controlled and adjusted in real time, and a good normal test environment is provided.
Drawings
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a connection structure of an intelligent wind power quality testing system provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of a circuit connection structure of the intelligent wind power quality testing system provided by the embodiment of the invention;
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be specifically described below by way of example, but all the descriptions are for illustrative purposes only and should not be construed as limiting the present invention in any way. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the description of the present invention, it should be noted that the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1-2.
An intelligent wind power quality testing system comprises a data acquisition module 1, a power supply module 2, a switch protection module 3, a temperature and humidity adjusting module 4, a remote monitoring module 5 and an electromagnetic interference prevention module 6;
the data acquisition module 1 comprises a voltage collector 101, a current collector 102, a storage module 103 and a communication module 104, wherein the voltage collector 101 and the current collector 102 are used for collecting voltage and current output by the on-site wind power generator, the storage module 103 stores the collected data, and the communication module 104 can send the data in the storage module 103 to the remote monitoring module 5; it should be noted that the data acquisition module 1 may adopt existing products, the german creative series of products.
The switch protection module 3 comprises a primary protection switch module 31, a secondary protection switch module 32 and a tertiary protection switch module 33; the input end of the primary protection switch module 31 is connected with the external power supply 7, and the output end is connected with the power supply module 2 and the tertiary protection switch module 33;
the power module 2 comprises a UPS 21, a battery energy storage module 22 and a switch power supply 23, the battery energy storage module 22 supplies power to the UPS 21, the switch power supply 23 controls the input of the whole testing system 24V power supply, the battery energy storage module can adopt an external battery to directly input the UPS 21 of the power module, the output end of the UPS 21 is connected with the input end of the switch power supply 23, the output end of the power module 2 is connected with the input end of the temperature and humidity adjusting module 4 and the input end of the remote monitoring module 5, the output end of the UPS 21 of the power module 2 is connected with the input end of the secondary protection switch module 32, the output end of the secondary protection switch module 32 is connected with the input end of the data acquisition module 1, the temperature and humidity adjusting module 4 and the input end of the remote monitoring module 5, the input end of the tertiary protection switch module 33 is connected with the output end of the primary, the output end of the temperature and humidity control module is connected with the input end of the data acquisition module 1, the input end of the temperature and humidity control module 4 and the input end of the remote monitoring module 5.
The data acquisition module 1 is in communication connection with the remote monitoring module 5, wherein the remote monitoring module 5 comprises a PLC module 501, a monitoring device 502, a wireless transmitting module 503 and a terminal device 504, the monitoring device 502 is connected with the data acquisition module 1 through a communication module 104, the PLC module 501 is in communication connection with the monitoring device 502, acquired data, states, commands and the like can be displayed on the terminal device 504 through the wireless transmitting module 503, it needs to be explained that the monitoring module 502 can adopt a desktop computer and the like, and the terminal device 504 can adopt a smart phone, a notebook computer and the like.
The primary protection switch module 31 and the secondary protection switch module 32 can be selected as leakage protection switches with auxiliary contacts; the combination of the miniature circuit breaker, the contactor and the intermediate relay can be selected by the three-stage protection switch module 33, the circuit breaker of the three-stage protection module is in a closed state under a normal state, the attraction of the contactor is mainly controlled through the PLC, wherein the circuit breaker and the contactor are series circuits, the auxiliary contact state of the contactor is directly fed back to the D I module of the PLC module, and the attraction of the contactor coil is indirectly realized by controlling the intermediate relay coil through the DO module of the PLC. It should be noted that the first-stage protection switch module, the second-stage protection switch module and the third-stage protection switch module are all connected with the remote monitoring module 5, so that the states of the first-stage protection switch module, the second-stage protection switch module and the third-stage protection switch module are monitored through the PLC module 501, and the results are uploaded to the terminal device 504 through the wireless transmitting module 503, thereby facilitating on-site monitoring when the power supply is abnormal.
The electromagnetic interference prevention module 6 comprises a magnetic ring 61 and a shielding wire 62, wherein the magnetic ring 61 is sleeved with the input end of the power module 2, the input end of the data acquisition module 1 and the input end of the remote monitoring module 5; the shielding wire 62 connects the grounding wires of the data acquisition module 1, the temperature and humidity adjusting module 4 and the remote monitoring module 5 together.
Temperature humidity control module 4 includes temperature sensor 401, humidity transducer 402, heating module 403 and heat dissipation module 404, temperature sensor 401, humidity transducer 402, heating module 403 and heat dissipation module 404 all with remote monitoring module 5 electricity is connected, temperature sensor, humidity transducer data acquisition module, power module, switch protection module, remote monitoring module, anti electromagnetic interference module department air temperature, humidity, remote monitoring module control heating module and heat dissipation module's work, it needs to explain, temperature sensor 401, humidity transducer 402, heating module 403 and heat dissipation module 404 all with remote monitoring module 5's PLC module 501 electricity is connected, heating module can adopt electric heater, and heat dissipation module can adopt fan etc.
For example, in this embodiment, when the voltage of the external power supply 7 is abnormal, the primary protection switch module 31 acts, and uploads the switch state to the remote monitoring module, and the power supply module 2 continues to supply power to the system; when the UPS power supply of the power module 2 is abnormal, the secondary protection switch module 32 operates, and the tertiary protection switch module interlocked with the secondary protection switch module is put into operation, that is, the power supply mode does not pass through the UPS power supply any more; in the test process, when the temperature of the air of the test system is less than or equal to the set temperature of the controller, the heating module operates; when the temperature or the humidity of the air in the test system is more than or equal to the set temperature and humidity of the controller, the heat dissipation module operates. In addition, supplementary notes are: when the UPS is abnormal, the switching power supply does not work any more, and the 24VDC of the whole test system needs the battery energy storage module 22 to supply power directly.
In summary, the data acquisition module 1 acquires data, and the power supply module 2 provides power supply support for the data acquisition module 1, the temperature and humidity adjustment module 4 and the remote monitoring module 5; the switch protection module 3 provides protection control for the input end of the data acquisition module 1, the input end of the power supply module 2, the input end of the temperature and humidity regulation module 4 and the input end of the remote monitoring module 5; the temperature and humidity adjusting module 4 controls and adjusts the environments of the data acquisition module 1, the power supply module 2, the switch protection module 3, the remote monitoring module 5 and the electromagnetic interference preventing module 6; the remote monitoring module 5 carries out remote monitoring and data storage on the data acquisition module 1 and the switch protection module 3; the electromagnetic interference prevention module 6 provides a smaller interference environment for the input end of the data acquisition module 1, the input end of the power supply module 2, the switch protection module 3, the input end of the temperature and humidity adjustment module 4 and the input end of the remote monitoring module 5.
The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a wind-powered electricity generation quality intelligent test system which characterized in that: the intelligent temperature and humidity monitoring system comprises a data acquisition module, a power supply module, a switch protection module, a temperature and humidity adjusting module, a remote monitoring module and an electromagnetic interference prevention module;
the switch protection module comprises a primary protection switch module, a secondary protection switch module and a tertiary protection switch module; the input end of the primary protection switch module is connected with an external power supply, and the output end of the primary protection switch module is connected with the power supply module and the tertiary protection switch module;
the output end of the power supply module is connected with the input end of the temperature and humidity adjusting module and the input end of the remote monitoring module, the output end of the power supply module is connected with the input end of the secondary protection switch module, the output end of the secondary protection switch module is connected with the input end of the data acquisition module, the input end of the temperature and humidity adjusting module and the input end of the remote monitoring module, the input end of the tertiary protection switch module is connected with the output end of the primary protection switch module, the output end of the tertiary protection switch module is connected with the input end of the data acquisition module, the input end of the temperature and humidity adjusting module and the input end of the remote monitoring module, the data acquisition module is in communication connection with the remote monitoring module, and the remote monitoring module is connected with the primary protection switch module;
the electromagnetic interference prevention module comprises a magnetic ring and a shielding wire, and the magnetic ring is connected with the input end of the power supply module, the input end of the data acquisition module and the input end of the remote monitoring module; the shielding wire connects the grounding wires of the data acquisition module, the temperature and humidity adjusting module and the remote monitoring module together.
2. The intelligent wind power quality testing system according to claim 1, wherein: the temperature and humidity adjusting module comprises a temperature sensor, a humidity sensor, a heating module and a heat dissipation module, the temperature sensor, the humidity sensor, the heating module and the heat dissipation module are all electrically connected with the remote monitoring module, the temperature sensor, the humidity sensor data acquisition module, the power supply module, the switch protection module, the remote monitoring module and the electromagnetic interference prevention module are used for acquiring air temperature and humidity, and the remote monitoring module controls the heating module and the heat dissipation module to work.
3. The intelligent wind power quality testing system according to claim 1, wherein: the power module comprises a UPS (uninterrupted power supply), a battery energy storage module and a switch power supply, the battery energy storage module supplies power to the UPS, and the output end of the UPS is connected with the input end of the switch power supply.
4. The intelligent wind power quality testing system according to claim 1, wherein: the first-stage protection switch module and the second-stage protection switch module can be selected as leakage protection switches with auxiliary contacts, and the third-stage protection switch module comprises a miniature circuit breaker, a contactor and an intermediate relay.
5. The intelligent wind power quality testing system according to claim 1, wherein: the data acquisition module comprises a voltage collector, a current collector, a storage module and a communication module, wherein the voltage collector and the current collector can collect voltage and current output by the wind turbine generator on site, the storage module stores the collected data, and the communication module can send the data in the storage module to the remote monitoring module.
6. The intelligent wind power quality testing system according to claim 5, wherein: the remote monitoring module comprises a PLC module, a monitoring device, a wireless transmitting module and a terminal device, the monitoring device is connected with the data acquisition module through a communication module, the PLC module is in communication connection with the monitoring device, and the acquired data are transmitted to the terminal device through the wireless transmitting module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010528739.5A CN111722035A (en) | 2020-06-11 | 2020-06-11 | Wind power quality intelligent test system |
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| CN202010528739.5A CN111722035A (en) | 2020-06-11 | 2020-06-11 | Wind power quality intelligent test system |
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| CN111722035A true CN111722035A (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196739A (en) * | 2020-10-10 | 2021-01-08 | 国电联合动力技术有限公司 | Wind generating set uninterrupted power supply intelligent regulation and control system and method |
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2020
- 2020-06-11 CN CN202010528739.5A patent/CN111722035A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112196739A (en) * | 2020-10-10 | 2021-01-08 | 国电联合动力技术有限公司 | Wind generating set uninterrupted power supply intelligent regulation and control system and method |
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