CN208172118U - A kind of wind power station electric energy quality test device - Google Patents
A kind of wind power station electric energy quality test device Download PDFInfo
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- CN208172118U CN208172118U CN201820430583.5U CN201820430583U CN208172118U CN 208172118 U CN208172118 U CN 208172118U CN 201820430583 U CN201820430583 U CN 201820430583U CN 208172118 U CN208172118 U CN 208172118U
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Abstract
The utility model relates to a kind of wind power station electric energy quality test devices, belong to wind power generation field.The risk for injuring testing crew by a crashing object is slid there are the surface accumulated ice of fan blade when start and stop blower.The utility model includes wind power generating set, box type transformer and bus rod, wind power generating set is connect with box type transformer by bus rod, wind power generating set includes interchanger, wind field centralized control module, public network module, remote control module, No.1 modem and No. two modems, box type transformer is connect with interchanger by bus rod, interchanger and wind field centralized control module pass through No.1 connection, wind field centralized control module and No.1 modem pass through No. two connections, No.1 modem and public network module pass through No. three connections, public network module passes through No. four connections with No. two modems, No. two modems and remote control module pass through No. five connections.
Description
Technical field
The utility model relates to a kind of wind power station electric energy quality test devices, belong to wind power generation field.
Background technique
Wind-driven generator is to convert wind energy into mechanical work, and mechanical work drives rotor rotation, the electricity of final output alternating current
Power equipment.
Wind-driven generator is because air quantity is unstable, therefore its output is the alternating current changed, and the charged device of palpus rectifies, then to storage
Storage battery charging, the electric energy for generating wind-driven generator become chemical energy.Then with there is the inverter for protecting circuit, in storage battery
Chemical energy be transformed into alternating current, just can guarantee stable use.
In recent years, the Wind Power Development of emerging market is rapid.In the case where national policy supports the background with energy supply anxiety, in
The wind-powered electricity generation of state especially wind power equipment manufacturing industry also emerges rapidly, has become global wind-powered electricity generation place the most active.
Power quality index is the specific descriptions of power quality various aspects, and different indexs has different definition, reference
IEC standard, the fundamemtal phenomena classification for causing interference for considering to provide from electromagnet phenomenon and interaction and influence angle.Electric energy matter
It measures (PowerQuality), from the stringent meaning, that measures power quality refers mainly to indicate voltage, frequency and waveform.From general
It is said in meaning and refers to quality supply, including quality of voltage, current quality, power supply quality and power quality.Power quality problem
It can be defined as：Lead to the deviation of the voltage of electrical equipment failure or cisco unity malfunction, electric current or frequency, content includes frequency
Rate deviation, voltage deviation, voltage fluctuation and flicker, three-phase imbalance, instantaneous or transient overvoltage, wave distortion (harmonic wave), electricity
Press temporarily drop, interruption, temporarily liter and power supply continuity etc..
Utility power quality control is a complicated system engineering, it is related to electric system, power electronics, automatic control etc.
Many aspects.Research of the foreign countries in relation to utility power quality control at present just starts climax, and content includes be applicable in Power Theory
Extension, the foundation of power quality assessment indicator system, the proposition of new power quality analysis method, and be based on custom power
The design and realization of the utility power quality control device of technology.
In the prior art, low pressure of the place that former wind power generating set electric energy quality test test is carried out in box type transformer
Side.From space layout as can be seen that former wind power generating set electric energy quality test test, testing crew are in box type transformer
In adverse circumstances (environment of cold environment, electromagnetic environment, hyperbaric environment, falling from high altitude risk).Former wind power generating set electric energy
Quality test test, when testing crew is tested under fan bottom, there are the surface accumulated ice landings of fan blade when start and stop blower
Injure the risk of testing crew by a crashing object；There are many number of former wind power generating set electric energy quality test test test process wiring, largely
Repeated work.
In view of this, disclosing a kind of wind power generating set in the patent document application No. is CN2016112251762
Electric energy quality test device and method, is related to wind power generation field.The wind power generating set electric energy quality test device, including：
Parameter acquisition unit acquires power parameter from the power parameter sensor being arranged in wind power generating set；Controller, with parameter
The connection of acquisition unit signal, is transferred to computing unit for the power parameter of acquisition；Computing unit, there are many electricity for computing unit storage
Energy quality-testing algorithm, connect with controller, and computing unit also stores the power parameter of acquisition, and more according to power parameter utilization
One of kind of electric energy quality test algorithm a variety of is tested.Above-mentioned documents there are test number (TN)s more, security risk
The disadvantages of big.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
The wind power station electric energy quality test device of reason, when can significantly decrease the consumption of wind power station electric energy quality test test
Between, hence it is evident that the essential safety coefficient for improving the test of wind power station electric energy quality test significantly improves wind power station electric energy matter
The working environment for measuring testing experiment personnel improves the progress of wind power station electric energy quality test test, improves wind-force hair
Power station entirety generated energy and enterprise income.
The technical scheme in the invention for solving the above technical problem is：Wind power station electric energy quality test dress
It sets, including wind power generating set, box type transformer and bus rod, the wind power generating set and box type transformer pass through confluence
Bus connection, design feature are：The wind power generating set includes interchanger, wind field centralized control module, public network
Module, remote control module, No.1 modem, No. two modems, No.1 route, No. two routes, No. three routes, four
Number route and No. five routes, the box type transformer are connect with interchanger by bus rod, and the interchanger and wind field are concentrated
Control module is connected by No.1 connection, the wind field centralized control module and No.1 modem by No. two routes
It connects, the No.1 modem and public network module pass through No. three connections, the public network module and No. two tune
Modulator-demodulator passes through No. five connections, institute by No. four connections, No. two modems and remote control module
Stating box type transformer includes column foot PLC, twisted pair and booster stations, and the column foot PLC and booster stations are described by twisted pair line connection
Booster stations are connect with bus rod.
Further, the quantity of the box type transformer is multiple, and the multiple box type transformer connects with bus rod
It connects.
It further, further include wind field local area network module, the wind field local area network module is connect with interchanger.
Further, it is mounted on the No.1 route, No. two routes, No. three routes, No. four routes and No. five routes
Breaker and disconnecting link.
Compared with prior art, the utility model has the following advantages that：
1, do not repeat the box type transformer of electric energy quality test test stops transmission process, can significantly decrease wind-force
The elapsed time of power station electric energy quality test test, changes the mode of connection, and test investment is greatly lowered, increases for power station
Using hourage, equivalent increment life insurance.
2, the essential safety coefficient of wind power station electric energy quality test test is significantly improved, testing crew does not have to testing
When under the fan bottom, the surface accumulated ice of fan blade slides the risk for injuring testing crew by a crashing object when eliminating start and stop blower；It reduces
The number of test process wiring, reduces the risk of experimenter wiring electric shock；Eliminate experimentation experimenter and fortune
Administrative staff is in the danger of frostbite in cold environment for a long time.
3, the working environment of wind power station electric energy quality test testing crew is significantly improved, testing crew does not have to be in case
In the adverse circumstances of formula transformer (environment of cold environment, electromagnetic environment, hyperbaric environment, falling from high altitude risk), between electronics
Test inside can be completed.
4, the service life that can extend box type transformer, this method avoid the frequent start-stops of box type transformer, reduce
Start-stop time, extends the service life of box type transformer.The progress for improving the test of wind power station electric energy quality test, mentions
High wind power station entirety generated energy and enterprise income.
Detailed description of the invention
Fig. 1 is the connection relationship diagram of the wind power station electric energy quality test device of the utility model embodiment.
In figure：Box type transformer 1, interchanger 2, wind field centralized control module 3, public network module 4, remote control module
5,6, No. two modems 7 of No.1 modem, bus rod 8, the route 92, three of No.1 route 91, two route 93,
No. four routes 94, No. five routes 95, column foot PLC11, twisted pair 12, booster stations 13.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
It is shown in Figure 1, it should however be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to match
The revealed content of specification is closed, so that those skilled in the art understands and reads, being not intended to limit the utility model can
The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute
In the range of the technology contents of announcement can be covered.Meanwhile if in this specification with reference as "upper", "lower", "left", "right", " in
Between " and " one " etc. term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Wind power station electric energy quality test device in the present embodiment, including wind field local area network module, wind-power electricity generation
Unit, box type transformer 1 and bus rod 8, wind power generating set are connect with box type transformer 1 by bus rod 8, wind-force hair
Motor group includes interchanger 2, wind field centralized control module 3, public network module 4, remote control module 5, No.1 modulation /demodulation
6, No. two modems 7 of device, 93, No. four routes 94 of the route of route 92, three of No.1 route 91, two and No. five routes 95,
Box type transformer 1 is connect with interchanger 2 by bus rod 8, and interchanger 2 and wind field centralized control module 3 pass through No.1 route
91 connections, wind field centralized control module 3 and No.1 modem 6 are connect by No. two routes 92, No.1 modem 6 and
Public network module 4 is connected by No. three routes 93, and public network module 4 and No. two modems 7 pass through No. four routes 94
Connection, No. two modems 7 are connect with remote control module 5 by No. five routes 95, and box type transformer 1 includes column foot
PLC11, twisted pair 12 and booster stations 13, column foot PLC11 are connect with booster stations 13 by twisted pair 12, and booster stations 13 and confluence are female
Line 8 connects；Wind field local area network module is connect with interchanger 2.
The quantity of box type transformer 1 in the present embodiment be it is multiple, multiple box type transformers 1 are connect with bus rod 8；
Breaker and knife are mounted on 93, No. four routes 94 of the route of route 92, three of No.1 route 91, two and No. five routes 95
Lock.
The test method of wind power station electric energy quality test device in the present embodiment, includes the following steps：
The first step：Testing crew and operations staff confirm measuring cell unprotect.
Second step：Testing crew and operations staff's replacement meet the high-precision examination of electric energy quality test test national standard
Test measuring cell.
Third step：Start to carry out electric energy quality test test and acquire data, connection operations staff sends out by platform start and stop wind-force
Motor group.
4th step：Test is completed, and test measurement element, off-test are removed；The first step to the 4th step successively carries out.
In the first step in the present embodiment, measuring cell is mounted on the connection side for the bus rod 8 connecting with booster stations 13；
In second step, the high-precision DianKeYuan test measurement element replacement of electric energy quality test test national standard will be met to power station
Corresponding position in system；In third step, after the completion of the test of all wind power generating sets, the 4th step is carried out；In third step, test
When apply for work ticket, other wind power generating sets on bus rod 8 are adjusted to manually controlling position.
In the present embodiment, wind power station electric energy quality test device is arranged on the bus rod 8 in booster stations 13.
In the present embodiment, former electric energy quality test test needs to shut down wind power generating set before the test, box-type transformation
Device 1 has a power failure, and carries out physical isolation, and testing crew carries out wiring in the low-pressure side of box type transformer 1, and operations staff is to box
Transformer 1 carries out power transmission, starts wind power generating set, testing experiment data, operations staff shuts down wind power generating set, box
Transformer 1 has a power failure, and carries out physical isolation, and testing crew carries out removing test connecting line in the low-pressure side of box type transformer 1,
Operations staff carries out power transmission to box type transformer 1, starts wind power generating set, restores other test measures, repeat and carry out down
The electric energy quality test test of one wind power generating set.
In the present embodiment, the meter of replacement is digital voltmeter, shows clear and intuitive, accuracy of reading, digital voltmeter energy
Artificial measurement error (such as parallax) is avoided, guarantees the objectivity and accuracy of reading；It meets the reading habit of people simultaneously,
The time that can be shortened reading and record has identifier display function, including measure the item symbol, unit symbol and special symbol
Number.Accuracy is high：The accuracy of digital voltmeter is much better than analog voltmeter.For example, 31/2,41/2 DVM's is accurate
Degree reachable respectively ± 0.1%, ± 0.02%.High resolution：Resolution ratio refer to the lowest numeric (except zero) that can show with most
The percentage of big number.The digital voltmeter reflection of voltage value representated by 1 word of last bit instrument on minimum voltage range is sensitive
The height of degree, and improved with the increase of figure place showing.
Below table is the test data of wind power generating set electric energy quality test test in test：
By the test data in above table it is found that the test method meets test national standard.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of wind power station electric energy quality test device, including wind power generating set, box type transformer and bus rod, institute
It states wind power generating set and is connect with box type transformer by bus rod, it is characterised in that：The wind power generating set includes handing over
It changes planes, wind field centralized control module, public network module, remote control module, No.1 modem, No. two modulation /demodulation
Device, No.1 route, No. two routes, No. three routes, No. four routes and No. five routes, the box type transformer and interchanger pass through remittance
Bus connection is flowed, the interchanger and wind field centralized control module pass through No.1 connection, the wind field centralized control module
No. three routes are passed through by No. two connections, the No.1 modem and public network module with No.1 modem
Connection, the public network module and No. two modems are by No. four connections, No. two modems and remote
For process control module by No. five connections, the box type transformer includes column foot PLC, twisted pair and booster stations, the column foot
By twisted pair line connection, the booster stations are connect with bus rod for PLC and booster stations.
2. electric energy quality test device in wind power station according to claim 1, it is characterised in that：The box type transformer
Quantity be it is multiple, the multiple box type transformer is connect with bus rod.
3. electric energy quality test device in wind power station according to claim 1, it is characterised in that：It further include wind field local
Network module, the wind field local area network module are connect with interchanger.
4. electric energy quality test device in wind power station according to claim 1, it is characterised in that：The No.1 route,
Breaker and disconnecting link are mounted on No. two routes, No. three routes, No. four routes and No. five routes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430583.5U CN208172118U (en) | 2018-03-28 | 2018-03-28 | A kind of wind power station electric energy quality test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430583.5U CN208172118U (en) | 2018-03-28 | 2018-03-28 | A kind of wind power station electric energy quality test device |
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| Publication Number | Publication Date |
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| CN208172118U true CN208172118U (en) | 2018-11-30 |
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| CN201820430583.5U Active CN208172118U (en) | 2018-03-28 | 2018-03-28 | A kind of wind power station electric energy quality test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387801A (en) * | 2018-03-28 | 2018-08-10 | 华电电力科学研究院有限公司 | A kind of wind power station electric energy quality test device and test method |
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2018
- 2018-03-28 CN CN201820430583.5U patent/CN208172118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387801A (en) * | 2018-03-28 | 2018-08-10 | 华电电力科学研究院有限公司 | A kind of wind power station electric energy quality test device and test method |
| CN108387801B (en) * | 2018-03-28 | 2024-05-17 | 华电电力科学研究院有限公司 | Wind power station electric energy quality testing device and testing method |
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