CN203259611U - New energy integrated grid-connection test device - Google Patents
New energy integrated grid-connection test device Download PDFInfo
- Publication number
- CN203259611U CN203259611U CN 201320291942 CN201320291942U CN203259611U CN 203259611 U CN203259611 U CN 203259611U CN 201320291942 CN201320291942 CN 201320291942 CN 201320291942 U CN201320291942 U CN 201320291942U CN 203259611 U CN203259611 U CN 203259611U
- Authority
- CN
- China
- Prior art keywords
- transformer
- output
- test
- voltage
- grid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a new energy integrated grid-connection test device. The new energy integrated grid-connection test device includes an input circuit breaker, an input transformer, a bi-directional converter, a voltage regulator, an output transformer, an output circuit breaker, a bypass switch, an external power grid and a device to be tested. The new energy integrated grid-connection test device of the utility model can satisfy the requirements of all grid-connection power generation devices such as wind power/photovoltaic grid-connection power generation devices for high/low voltage ride through test, power grid adaptability test and electric energy quality test. The new energy integrated grid-connection test device is advantageous in high integration, small volume, low cost, simple operation, time-saving and labor-saving property, improvement of test efficiency, and wide application range.
Description
Technical field
The utility model relates to new energy field, is specifically related to the integrated proving installation that is incorporated into the power networks of the detection technique that is incorporated into the power networks, particularly new forms of energy of photovoltaic plant and wind-powered electricity generation unit.
Background technology
In recent years, the development of China Wind Power Generate, Generation, Generator volt power generating industry is rapid, and installed capacity is rapid growth year after year.For example, 2010, newly-increased 12904 of wind-powered electricity generation unit, installed capacity 18.93GW increases by 73.3% on a year-on-year basis, and the accumulative total installed capacity reaches 44.733GW, surpasses the U.S. and ranks first in the world, and has three wind-powered electricity generation device fabrication enterprises to enter world top ten.2011, Chinese photovoltaic product production capacity 30GW accounted for global production capacity 60%, several the worlds ten large photovoltaic enterprise was arranged all from China.At present, China national Bureau of Energy has announced " 12 " object of planning of Chinese Renewable Energy Development, and by 2015, the wind-electricity integration installed capacity will reach 100GW, produces energy 1,900 hundred million kilowatt hours per year; The photovoltaic generation installed capacity will reach 21GW, produce energy 25,000,000,000 kilowatt hours per year.
When being accompanied by Wind Power In China and photovoltaic industry and developing rapidly, problem is also frequent appearance, and extensive blower fan off-grid event has repeatedly occured the existing a plurality of wind energy turbine set of China at present, and operation brings grave danger to power system safety and stability.To belong to energy density low, stable poor due to solar energy power generating equally, and the energy that regulating power is poor, generated energy are subjected to the impact of weather and region larger, can power grid security be stablized after generating electricity by way of merging two or more grid systems, and the power supply quality of economical operation and electrical network causes certain influence.Return its reason, generating set except not possessing the high-low voltage ride-through capability, is also its major reason to the grid adaptability ability.Therefore, grid-connection device only has and possesses simultaneously low voltage crossing, high voltage crossing and grid adaptability ability, could with large electrical network harmonious coexistence, could really solve technically large-scale wind power, grid-connected problem.
At present, China has paid attention to this problem, State Grid Corporation of China has promulgated Q/GDW617-2011 " photovoltaic plant access electric power network technique regulation " and two company standards of Q/GDW618-2011 " photovoltaic plant access electrical network test procedure " in succession in 2011 for photovoltaic industry, simultaneously country has also promulgated GB GB/T19964-2012 " photo-voltaic power generation station access power system technology regulation ", and clear and definite photovoltaic plant is carried out the requirement of low voltage crossing test, voltage adaptation and frequency adaptation property testing; Country has also promulgated GB GB/T19963-2011 " wind energy turbine set access power system technology regulation " for the wind-powered electricity generation industry, also linked network consults on energy industry standard " power grid adaptability of wind generator set test procedure " simultaneously, requirement is carried out low voltage ride-through capability, grid adaptability (comprising voltage adaptation, frequency adaptability, imbalance of three-phase voltage adaptability, flickering adaptability and harmonic voltage adaptability) aptitude tests to grid-connected system, also will satisfy simultaneously the technical requirement that the quality of power supply requires and is incorporated into the power networks.Just need to come the actual conditions of simulating grid to test grid-connected system by special equipment for this reason.
For example; The patent documentation of application number 201210177538.0 discloses a kind of portable wind-powered electricity generation unit height voltage and has passed through proving installation; Can be applicable to simultaneously the test of high-pressure system and low-pressure system; Described proving installation is connected between wind-powered electricity generation unit and electrical network; Mainly comprise the input isolating switch; The voltage-regulation unit; Bypass breaker and output isolating switch; Adopt many taps of transformer secondary pressure regulation form; Thyristor high speed switching controls and vehicle-mounted container structure; Change the transformer output voltage by controlling the thyristor break-make; The simulation test of realization to the different electric pressure faults of tested wind-powered electricity generation unit.This invention can be completed high low voltage crossing testing experiment simultaneously, and the device integrated level is high, and reliability is high, and economic and technical norms are the highest; Can be applicable to all kinds fan test, satisfy the high low voltage crossing test standard of China and European and American countries, applied widely; Adopt the vehicle-mounted container structure, modular design, convenient transportation, test is flexibly.
The patent documentation of application number 201010206913.0 discloses a kind of device for testing power grid adaptability of wind generator set, comprise the current transformer that builds based on power semiconductor switch, this current transformer input end connects three-phase supply, output terminal connects wind power generating set.The device for testing power grid adaptability of wind generator set of this invention adopts the current transformer that builds based on power semiconductor switch, power density is large, volume is little, cost is low, and can bear most of dynamic impulsion that electric network fault experimental session wind power generating set causes, thereby alleviate experimental system to the requirement of net capacity; Can realize the step-less adjustment of voltage, frequency, thereby can simulate easily and flexibly all kinds of electric network faults, the extend testing scope is enriched test data, reduces experimental period; Can also test at electric network fault the various original states of front simulation line voltage, thus the data when realizing that complete testing wind power generation unit breaks down under the various states of electrical network.
The above-mentioned patent one disclosed proving installation of document just passes through test for wind-powered electricity generation unit height voltage separately; And the patent two disclosed proving installations of document are also just tested for wind-powered electricity generation unit grid adaptability separately; Also having other disclosed proving installation patents that are incorporated into the power networks is all for testing in a certain respect; Not only high low voltage crossing test and grid adaptability test are separated into two covering devices; And for application (wind-power electricity generation; Photovoltaic plant or other devices that generates electricity by way of merging two or more grid systems) also distinguish; Its application is single; For example; The user that photovoltaic is arranged again for existing wind-powered electricity generation; Just need to buy the quadruplet device and just can complete all tests; Its cost of investment is high; Floor area is large; Caused simultaneously the waste of resource.
The utility model content
The purpose of this utility model is to propose the integrated proving installation that is incorporated into the power networks of new forms of energy, described proving installation adopts Intensive Design, can complete simultaneously high-low voltage and pass through test, and the grid adaptability test that comprises voltage, frequency, imbalance of three-phase voltage, voltage fluctuation and flickering, harmonic voltage, functional diversities, and described proving installation can satisfy wind-powered electricity generation simultaneously, all devices that generate electricity by way of merging two or more grid systems of photovoltaic pass through the requirement of test, grid adaptability test and electric energy quality test to high-low voltage.
The integrated proving installation that is incorporated into the power networks of new forms of energy described in the utility model; Comprise the input isolating switch; Input transformer; Two way convertor; Voltage regulator; Output transformer; The output isolating switch; By-pass switch; External electrical network; Device to be measured; Described input isolating switch connects input transformer; Described input transformer connects two way convertor and voltage regulator side by side; The output terminal of being connected with voltage regulator at described two way convertor connects output transformer; Described output transformer is connected with the output isolating switch; Be provided with by-pass switch between described output isolating switch and input isolating switch; Described input isolating switch connects external electrical network; Described output isolating switch is connected with device to be measured.
Be preferably, described voltage regulator is the transformer type regulator.
Be preferably, described device to be measured is wind power generating set, photo-voltaic power generation station or other devices that generates electricity by way of merging two or more grid systems.
Be preferably, described input transformer is many taps input transformer.
Be preferably, described output transformer is many taps output transformer.
The various characteristics of the integrated proving installation energy simulating grid that is incorporated into the power networks of described new forms of energy, comprise the grid adaptability test of high voltage crossing test, low voltage crossing test and voltage deviation, frequency departure, imbalance of three-phase voltage, voltage fluctuation and flickering, harmonic voltage, satisfy simultaneously the test request of all devices that generate electricity by way of merging two or more grid systems.
The integrated proving installation that is incorporated into the power networks of described new forms of energy shares input isolating switch, output isolating switch, by-pass switch, input transformer and output transformer to all devices to be measured.
Realize the grid adaptability test by described two way convertor, that is: regulate the output voltage of described two way convertor and realize the voltage adaptation property testing; Regulate the output frequency of described two way convertor and realize the frequency adaptation property testing; By changing described two way convertor output one mutually or two-phase voltage magnitude or phase place, perhaps directly export negative sequence voltage, produce three-phase imbalance voltage, realize imbalance of three-phase voltage adaptability; Regulate output voltage fluctuation amplitude and the voltage fluctuation frequency of described two way convertor and realize flickering adaptability; Regulate output frequency and the voltage magnitude of described two way convertor and realize harmonic voltage adaptability.
Realize that by described voltage regulator high-low voltage passes through test, described voltage regulator adopts the transformer type regulator, be that the transformer secondary adopts many tap designs to draw, draw the tap voltage scope and comprise that rated voltage, rated voltage are following and more than rated voltage, and each of transformer secondary drawn one group of antiparallel thyristor valve group of tap series connection.Change the transformer output voltage by the break-make of controlling the thyristor valve group, realize that voltage-regulation completes high-low voltage and pass through test.
Described by-pass switch is used for controlling actual electric network access and simulating grid access, works as closes bypass switch, and device to be measured is powered by external electrical network; Bypass switch opens, device to be measured is by the integrated proving installation power supply of being incorporated into the power networks of described new forms of energy.
Described input transformer and output transformer adopt many taps mode to design, be used for controlling the coupling between described external electrical network and device voltage to be measured, described input transformer is connected to the input side of two way convertor and voltage regulator, with the voltage of external electrical network voltage transitions one-tenth and two way convertor and voltage regulator coupling; Output transformer is connected to the outgoing side of two way convertor and voltage regulator, converts the output voltage of two way convertor and voltage regulator to device coupling to be measured voltage.
Compared with prior art, the superior effect of the integrated proving installation that is incorporated into the power networks of new forms of energy described in the utility model is:
1. for traditional proving installation that is incorporated into the power networks; Complete height; Low voltage crossing test and grid adaptability test; Usually need two equipment to realize separately; Existing traditional proving installation that is incorporated into the power networks is single in application simultaneously; Need equally two complete equipments to realize separately as same test function at wind-powered electricity generation and photovoltaic; And the integrated proving installation that is incorporated into the power networks of new forms of energy described in the utility model; Adopt Intensive Design; One cover proving installation satisfies high simultaneously; The low voltage crossing test; Grid adaptability test and electric energy quality test requirement; Have highly integrated; Volume is little; The advantage that cost is low; Simultaneously, intensive design makes for device to be measured, and input side only needs primary connection, just completes two kinds of tests, and is simple to operate, time saving and energy saving, improved testing efficiency.
2. the integrated proving installation that is incorporated into the power networks of the utility model new forms of energy, carry out voltage matches by input transformer and output transformer simultaneously, can realize the test of multiple voltage grade, and applied range is saved cost.
Description of drawings
Fig. 1 is the integrated proving installation fundamental diagrams that are incorporated into the power networks of the utility model new forms of energy;
Fig. 2 is the integrated proving installation voltage modulator circuit schematic diagrams that are incorporated into the power networks of the utility model new forms of energy;
Fig. 3 is integrated proving installation embodiment 2 fundamental diagrams that are incorporated into the power networks of the utility model new forms of energy;
Fig. 4 is integrated proving installation embodiment 3 fundamental diagrams that are incorporated into the power networks of the utility model new forms of energy;
Fig. 5 is the integrated proving installation embodiment 4 principle of work block diagrams that are incorporated into the power networks of the utility model new forms of energy;
Fig. 6 is the integrated proving installation embodiment 4 grid adaptability test philosophy block diagrams that are incorporated into the power networks of the utility model new forms of energy;
Fig. 7 is the integrated high low voltage crossing test philosophy of proving installation embodiment 4 block diagrams that are incorporated into the power networks of the utility model new forms of energy.
Description of reference numerals is as follows:
1-inputs isolating switch, 2-input transformer, 3-two way convertor, the 4-voltage regulator, the many tap transformers of 41-, 42-thyristor valve group, 43-anti-parallel thyristor valve group, the 5-output transformer, 6-exports isolating switch, the 7-by-pass switch, 8-external electrical network, 9-device to be measured, the 10-input media, 20-output unit, 30-grid adaptability device, 40-high-low pressure traversing device, 50-controls pick-up unit.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment 1
Be illustrated in figure 1 as the integrated proving installation fundamental diagram that is incorporated into the power networks of the utility model new forms of energy; The integrated proving installation that is incorporated into the power networks of described new forms of energy; Comprise input isolating switch 1; Input transformer 2; Two way convertor 3; Voltage regulator 4; Output transformer 5; Output isolating switch 6; By-pass switch 7; Described input isolating switch 1 connects input transformer 2; Described input transformer 2 connects two way convertor 3 and voltage regulator 4 side by side; The output terminal of being connected with voltage regulator at described two way convertor 3 connects output transformer 5; Described output transformer 5 is connected with output isolating switch 6; Be provided with by-pass switch 7 between described output isolating switch 6 and input isolating switch 1; Described input isolating switch 1 connects external electrical network 8; Described output isolating switch 5 is connected with device 9 to be measured.Described voltage regulator 4 is transformer type regulators, and described device 9 to be measured is wind power generating set, photo-voltaic power generation station or other devices that generates electricity by way of merging two or more grid systems, and described input transformer 2 is many taps input transformers, and described output transformer 5 is many taps output transformers.
The common input isolating switch 1 of the integrated proving installation utilization of being incorporated into the power networks of described new forms of energy, input transformer 2, output transformer 5, output isolating switch 6 and by-pass switch 7 are completed high voltage crossing test, low voltage crossing test and are comprised the grid adaptability test of voltage deviation, frequency departure, imbalance of three-phase voltage, voltage fluctuation and flickering, harmonic voltage, and satisfy simultaneously wind power generating set and the photo-voltaic power generation station test request that is incorporated into the power networks.
Described by-pass switch 7 is used for controlling actual electric network access or simulating grid access, closes bypass switch 7, and device 9 to be measured is by actual external electrical network 8 power supplies; Bypass switch opens 7 enters test process, and device 9 to be measured is by the described proving installation power supply of being incorporated into the power networks.
1, high-low voltage passes through test
High-low voltage passes through test and is realized by voltage regulator 4, at first wants closed input isolating switch 1, output isolating switch 6, and the test ingredient is external electrical network 8, input transformer 2, voltage regulator 4, output transformer 5 and device to be measured 9.
Be illustrated in figure 2 as the integrated proving installation voltage modulator circuit schematic diagram that is incorporated into the power networks of the utility model new forms of energy, voltage regulator 4 adopts the transformer type voltage regulator, formed by many tap transformers 41 and thyristor valve group 42, it is 0 that the tap of transformer secondary is designed to minimum voltage, being up to Un+x(Un is rated voltage, x is the percentage higher than rated voltage, wherein x flexible design as required), namely test point place voltage can be realized changing with 5% or 10% between 0-Un+x.Thyristor valve group of the corresponding series connection of each tap of transformer secondary corresponds to TS0-TSUn+x with 0-Un+x.Change the transformer secondary tap of connecting system by controlling the thyristor break-make, realize the simulation test of the different electric pressure faults of tested device is satisfied low voltage crossing testing experiment and high voltage crossing testing experiment simultaneously.
2, grid adaptability test
The grid adaptability test is realized by two way convertor 3, at first wants closed input isolating switch 1, output isolating switch 6, and the test ingredient is external electrical network 8, input transformer 2, two way convertor 3, output transformer 5 and device to be measured 9.
Carry out the test of voltage adaptation property testing by the output voltage amplitude of regulating two way convertor 3; The regulation output frequency is carried out the frequency adaptability testing experiment; Wherein, the voltage-regulation step-length is 1% of rated voltage, and the frequency adjustment step-length is 0.01Hz.
By changing two way convertor 3 outputs one mutually or two-phase voltage magnitude or phase place, perhaps directly export negative sequence voltage, produce three-phase imbalance voltage, realize imbalance of three-phase voltage adaptive testing test; Regulation output voltage fluctuation amplitude and voltage fluctuation frequency carry out flickering adaptive testing test; Regulation output frequency and voltage magnitude are realized harmonic voltage adaptive testing test.
Embodiment 2
As shown in Figure 3, on the basis of embodiment 1, merge into a transformer with realizing many tap transformers 41 that high-low voltage passes through test with input transformer 1, be that the former secondary of transformer all is designed to many taps and draws, two way convertor 3 is connected to the tap of the specified shelves of transformer secondary, both provided cost savings like this, reduced again volume.
When high-low voltage passes through test, do not start two way convertor 3, change the transformer secondary tap of connecting system by the break-make of thyristor in each tap of control transformer, realize the simulation test to the different electric pressure faults of device 9 to be measured;
During the grid adaptability test, disconnect all thyristor valve groups 42, start two way convertor 3, realize the grid adaptability test by output voltage and the frequency of controlling two way convertor 3.
As shown in Figure 4, on the basis of embodiment 2, increase by one group of anti-parallel thyristor valve group 43, after being connected on described two way convertor 3.Pass through when test doing high-low voltage, for the restriction of compensator transformer output voltage, switch to two way convertor 3 by thyristor valve group 43, realize the step-less adjustment of test voltage.
As shown in Fig. 5～7, the integrated proving installation that is incorporated into the power networks of described new forms of energy adopts modular design and vehicle-mounted container structure, is comprised of input media 10, output unit 20, grid adaptability device 30, high and low pressure traversing device 40 and control, pick-up unit 50.
For the scheme of embodiment 1, input media 10 comprises input isolating switch 1, input transformer 2 and by-pass switch 7; Output unit 20 comprises output isolating switch 6 and output transformer 5; Grid adaptability device 30 comprises two way convertor 3; High-low voltage traversing device 40 comprises voltage regulator 4; Control, pick-up unit 50 comprise host computer and main control unit; Wherein, by-pass switch 7 is arranged in input media 10, also can be arranged in output unit 20.
Test site, to install 10,20,30,40,50 assemblings carries out successively grid adaptability and high-low voltage and passes through test, in the time of need to testing simultaneously for difference device 9 to be measured, increase a cover input media 10, a cover output unit 20 and a cover and control pick-up unit 50, grid adaptability device 30 and high-low voltage traversing device 40 are separated, and combination is flexible, dismounting is simple, convenient, raising testing efficiency.Because input transformer 2, output transformer 5 adopt many tap designs, the integrated proving installation that is incorporated into the power networks of described new forms of energy adopts same set of input media 10, output unit 20 not only the device 9 different to be measured with electric pressure to be tested simultaneously, simultaneously the device 9 different to be measured of different electric pressures is tested.
For the scheme of embodiment 2, input media 10 comprises input isolating switch 1, transformer and by-pass switch 7; Output unit 20 comprises output isolating switch 6 and output transformer 5; Grid adaptability device 30 comprises two way convertor 3; High-low voltage traversing device 40 comprises thyristor valve group 42; Control, pick-up unit 50 comprise host computer and main control unit; Equally, by-pass switch 7 can be arranged in input media 10, also can be arranged in output unit 20.
For the scheme of embodiment 3, input media 10 comprises input isolating switch 1, transformer and by-pass switch 7; Output unit 20 comprises output isolating switch 6 and output transformer 5; Grid adaptability device 30 comprises two way convertor 3 and thyristor valve group 43; High-low voltage traversing device 40 comprises thyristor valve group 42; Control, pick-up unit 50 comprise host computer and main control unit; Equally, by-pass switch 7 can be arranged in input media 10, can also arrange in output unit 20.
Described host computer is the computation terminal, and described main control unit is digital control chip.
The integrated proving installation that is incorporated into the power networks of new forms of energy described in the utility model is determined the type of input isolating switch 1, output isolating switch 6 and device to be measured 9 according to actual conditions.
The utility model is not limited to above-mentioned embodiment, in the situation that do not deviate from flesh and blood of the present utility model, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present utility model.
Claims (6)
1. the integrated proving installation that is incorporated into the power networks of new forms of energy; Comprise input isolating switch (1); Input transformer (2); Two way convertor (3); Voltage regulator (4); Output transformer (5); Output isolating switch (6); By-pass switch (7); External power source (8); Device to be measured (9); It is characterized in that; Described input isolating switch (1) connects input transformer (2); Described input transformer (2) connects two way convertor (3) and voltage regulator (4) side by side; Be connected 4 at described two way convertor (3) with voltage regulator) output terminal connect output transformer (5); Described output transformer (5) is connected with output isolating switch (6); Be provided with by-pass switch (7) between described output isolating switch (6) and input isolating switch (1); Described input isolating switch (1) connects external electrical network (8); Described output isolating switch (5) is connected with device to be measured (9).
2. the integrated proving installation that is incorporated into the power networks of new forms of energy according to claim 1, is characterized in that, described voltage regulator (4) is the transformer type regulator.
3. the integrated proving installation that is incorporated into the power networks of new forms of energy according to claim 1, is characterized in that, described device to be measured (9) is wind power generating set.
4. the integrated proving installation that is incorporated into the power networks of new forms of energy according to claim 1, is characterized in that, described device to be measured (9) is photo-voltaic power generation station.
5. the integrated proving installation that is incorporated into the power networks of new forms of energy according to claim 1, is characterized in that, described input transformer (2) is many taps input transformer.
6. the integrated proving installation that is incorporated into the power networks of new forms of energy according to claim 1, is characterized in that, described output transformer (5) is many taps output transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291942 CN203259611U (en) | 2013-05-24 | 2013-05-24 | New energy integrated grid-connection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291942 CN203259611U (en) | 2013-05-24 | 2013-05-24 | New energy integrated grid-connection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259611U true CN203259611U (en) | 2013-10-30 |
Family
ID=49472162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320291942 Expired - Lifetime CN203259611U (en) | 2013-05-24 | 2013-05-24 | New energy integrated grid-connection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278717A (en) * | 2013-05-24 | 2013-09-04 | 北京荣华恒信开关技术有限公司 | New energy integrated grid-connected testing device |
| CN106291363A (en) * | 2016-09-26 | 2017-01-04 | 武汉承光博德光电科技有限公司 | The new forms of energy grid-connected test device of integration |
| CN107782999A (en) * | 2014-06-11 | 2018-03-09 | 钱珺佳 | A kind of method of work of wind light mutual complementing nature imitation experiment device |
-
2013
- 2013-05-24 CN CN 201320291942 patent/CN203259611U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278717A (en) * | 2013-05-24 | 2013-09-04 | 北京荣华恒信开关技术有限公司 | New energy integrated grid-connected testing device |
| CN103278717B (en) * | 2013-05-24 | 2015-08-19 | 北京荣华恒信开关技术有限公司 | The grid-connected proving installation of new forms of energy integration |
| CN107782999A (en) * | 2014-06-11 | 2018-03-09 | 钱珺佳 | A kind of method of work of wind light mutual complementing nature imitation experiment device |
| CN107991563A (en) * | 2014-06-11 | 2018-05-04 | 陈国栋 | Power supply and distribution, the wind light mutual complementing nature imitation experiment device of grid-connected experiment and method of work |
| CN108008219A (en) * | 2014-06-11 | 2018-05-08 | 钱珺佳 | Wind light mutual complementing nature imitation experiment device |
| CN108037386A (en) * | 2014-06-11 | 2018-05-15 | 陈国栋 | For power supply and distribution, the wind light mutual complementing nature imitation experiment device of grid-connected experiment |
| CN108037386B (en) * | 2014-06-11 | 2020-11-06 | 广东广能电力设计院有限公司 | Wind-solar complementary simulation experiment device for power supply and distribution and grid-connected experiment |
| CN107991563B (en) * | 2014-06-11 | 2021-01-15 | 国网浙江省电力有限公司绍兴供电公司 | Wind-solar complementary simulation experiment device for power supply and distribution and grid-connected experiment and working method |
| CN106291363A (en) * | 2016-09-26 | 2017-01-04 | 武汉承光博德光电科技有限公司 | The new forms of energy grid-connected test device of integration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103278717B (en) | The grid-connected proving installation of new forms of energy integration | |
| CN102736028B (en) | Mobile wind turbine generator system high-low voltage ride through test device | |
| CN103064023B (en) | For grid-connected proving installation and the method for testing thereof of wind-powered electricity generation and photovoltaic | |
| CN103454521B (en) | A kind of wind power plant power grid operation simulator | |
| CN203037769U (en) | Wind power and photovoltaic grid-connected testing platform | |
| CN102520218A (en) | Programmable trouble power simulator | |
| Anzalchi et al. | High-penetration grid-tied photovoltaics: Analysis of power quality and feeder voltage profile | |
| CN204287338U (en) | A kind of novel wind power, grid-connected detection combined test apparatus | |
| Jaalam et al. | Strategy to enhance the low-voltage ride-through in photovoltaic system during multi-mode transition | |
| CN103956777A (en) | Method for connecting photovoltaic generated electricity into power grid | |
| CN205665322U (en) | Electric wire netting adaptability testing arrangement | |
| CN202649427U (en) | Mobile wind turbine generator system high-low voltage ride through test device | |
| CN102508162A (en) | Low-voltage ride through detection system and method of wind generating set | |
| CN105717399B (en) | Grid adaptability test device | |
| CN103078329B (en) | Output reactive compensation analysis method for long-distance 200kV submarine cable of offshore wind plant | |
| CN105281366A (en) | Method for simultaneously realizing low-voltage ride through and island detection | |
| CN203259611U (en) | New energy integrated grid-connection test device | |
| Solanki et al. | Utilization of PV solar farm for Grid Voltage regulation during night; Analysis & control | |
| CN204992581U (en) | Apply to electric main wiring of two electric pressure intermediate pressure sections of wind -powered electricity generation field | |
| CN106291363A (en) | The new forms of energy grid-connected test device of integration | |
| Karabiber | Controllable AC/DC integration for power quality improvement in microgrids | |
| CN203479929U (en) | Grid operation simulating device for wind power plant | |
| Al Riyami et al. | Grid code compliance for integrating 50 MW wind farm into Dhofar power grid | |
| Peng et al. | Improving power quality in distribution feeders with high PV penetration through inverter controls | |
| CN203037823U (en) | Wind power and photovoltaic grid-connected test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |