CN108008219A - Wind light mutual complementing nature imitation experiment device - Google Patents

Wind light mutual complementing nature imitation experiment device Download PDF

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CN108008219A
CN108008219A CN201711242401.8A CN201711242401A CN108008219A CN 108008219 A CN108008219 A CN 108008219A CN 201711242401 A CN201711242401 A CN 201711242401A CN 108008219 A CN108008219 A CN 108008219A
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • 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
    • G01R31/003—Environmental or reliability tests
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution

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  • Pure & Applied Mathematics (AREA)
  • Power Engineering (AREA)
  • Educational Administration (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Testing Relating To Insulation (AREA)
  • Photovoltaic Devices (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The present invention relates to a kind of wind light mutual complementing nature imitation experiment device, including：Photovoltaic generation experimental considerations unit, Wind Generation Research unit, and the off-network inverter module being connected with the storage battery；The photovoltaic generation experimental considerations unit includes：Photovoltaic grid-connected inversion module, dc switch module, photovoltaic module module；The Wind Generation Research unit includes：Wind-driven generator module, main transformer module, filtering compensation device module；Each module tests conducting wire by grafting respectively and is connected；The present invention passes through included photovoltaic generation experimental considerations unit, Wind Generation Research unit and is tested with completing photovoltaic and wind power grid.

Description

Wind light mutual complementing nature imitation experiment device
Technical field
The present invention relates to a kind of power supply and distribution experimental system, more particularly to a kind of wind light mutual complementing nature imitation experiment device, it is established that The method of work using new energy as the power supply and distribution experimental system of representative with certain capacity.
Background technology
There are two types using solar power generation：One kind is solar power generation（Also known as solar energy generates electricity）, it is another kind of to be Solar thermal power generation（Also known as solar energy thermal-power-generating）.It is economical and practical since the utilization rate of solar energy power generation is high, largely promoted Use.Solar energy power generation is a kind of generation mode that solar energy is translates directly into electric energy.It includes photovoltaic generation, photochemistry Generate, Generation, Generator sensing power generation and photo-biological generate electricity four kinds of forms, wherein, technology relative maturity at this stage, using it is more be the sun Can photovoltaic generation.And the principle of wind-power electricity generation, it is to drive air vane rotation using wind-force, then through booster engine by rotating speed Degree lifting, to promote electrical power generators.Its essence is that the kinetic energy of wind is transformed into mechanical kinetic energy, then mechanical kinetic energy is converted into electricity Energy.
But although wind energy, solar energy is there is many of the above advantage, but we still cannot ignore their own Shortcoming.They are all not only a kind of very low energy of energy density, but also can all be changed with the change of weather and weather, I.e. and a kind of energy stability difference the energy.These drawbacks bring problem to their popularization and application.Thus in order to establish Play more reliable and more stable, the energy resource system of economical rationality, it would be desirable to make full use of wind energy and solar energy in many complementations Property, wind energy and solar energy composite are used.
The content of the invention
The object of the present invention is to provide a kind of method of work of wind light mutual complementing nature imitation experiment device, its meet to solar energy and The needs of wind power grid experiment.
In order to solve the above technical problem, the present invention provides a kind of method of work of wind light mutual complementing nature imitation experiment device, Wherein, the wind light mutual complementing nature imitation experiment device includes：Photovoltaic generation experimental considerations unit, Wind Generation Research unit, and with institute State the off-network inverter module that storage battery is connected；The photovoltaic generation experimental considerations unit includes：Photovoltaic grid-connected inversion module, dc switch Module, photovoltaic module module；The Wind Generation Research unit includes：Wind-driven generator module, main transformer module, filtering are mended Repay apparatus module；The method of work includes：During experiment, by each conducting wire difference each near modules of grafting input and output hole so that The input of corresponding module, output terminal are connected.
Further, the wind light mutual complementing nature imitation experiment device further includes：For carrying out the capacitance of capacitance on-line checking experiment Test cell, the method for work of the capacity measurement unit include the following steps：
Step 1：The voltage vector at measured capacitance both ends is gathered, and the voltage vector is decomposited into fundamental voltageWithnIt is secondary Harmonic voltage component, i.e. the superimposed voltage at the measured capacitance both ends, i.e.,, calculating should The virtual value of superimposed voltageU, the virtual value of fundamental voltageU 0。
Step 2：Capacitance sound pressure level database is established, which includes：All types of capacitances are in only fundamental voltage The corresponding capacitance sound pressure level of virtual value institute.
Default measured capacitance type, rated capacitanceC 0, according to measured capacitance type and the virtual value of current fundamental voltageU 0 Corresponding capacitance sound pressure level is obtained from the capacitance sound pressure level database。
The voice signal that measured capacitance produces is gathered, to obtain corresponding capacitance sound pressure level, pass through formula, calculate the actual capacitance of measured capacitanceC x 。
Step 3：According to the actual capacitance of measured capacitanceC x With the virtual value of superimposed voltageUEstablish capacitance and estimate public affairs Formula, i.e.,；Wherein,CExtreme capacitance values when being damaged for measured capacitance,tFor capacitance damage expeced time,kFor list Virtual value U of the measured capacitance in current fundamental voltage in the time of position0Under corresponding electric capacitance change coefficient, i.e., wherein,C x1WithC x2For the capacitance initial value and final value of measured capacitance in the unit time.
Set the extreme capacitance valuesC, the meter of capacitance damage t expeced time is derived by the capacitance predictor formula Formula is calculated, i.e.,, to calculate the expeced time that measured capacitance is damaged.
Further, the virtual value U of the superimposed voltage passes through fundamental voltageWith nth harmonic component of voltage's The square root of virtual value quadratic sum obtains.
Further, the nth harmonic component of voltageMiddle n takes 5.
The above technical solution of the present invention has the following advantages over the prior art：（1）The present invention passes through included light Volt generator experimental unit, Wind Generation Research unit are tested with completing photovoltaic and wind power grid；（2）The present invention is supersonic sensing Device and High Frequency Current Sensor combine, and realize the on-line checking that need not close power supply；（3）The present invention is passed by ultrasonic wave The capacitance sound pressure level that sensor collection measured capacitance produces；The magnitude of voltage at High Frequency Current Sensor collection capacitance both ends, establishes electricity Capacity predictor formula, is predicted the service life of measured capacitance using the formula, actual than traditional only detection capacitance present Capacitance is more forward-looking to judge the capacitance service life, and can open up Power Electronic Technique class by the experimental provision Journey, the assessment to electric capacitor have reference value.
Brief description of the drawings
In order to make the content of the present invention more clearly understood, below according to specific embodiment and with reference to attached drawing, The present invention is described in further detail, wherein
The structure diagram of Fig. 1 wind light mutual complementing nature imitation experiment devices；
The functional block diagram of Fig. 2 capacity measurement units；
Fig. 3 is the flow chart of the method for work of capacity measurement unit.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid this is unnecessarily obscured The concept of invention.
Embodiment 1
As shown in Figure 1, a kind of method of work of wind light mutual complementing nature imitation experiment device, wherein, wind light mutual complementing nature imitation experiment device bag Include：Photovoltaic generation experimental considerations unit, Wind Generation Research unit, and the off-network inverter module being connected with the storage battery；It is described Photovoltaic generation experimental considerations unit includes：Photovoltaic grid-connected inversion module, dc switch module, photovoltaic module module；The wind-power electricity generation Experimental considerations unit includes：Wind-driven generator module, main transformer module, filtering compensation device module；The method of work includes：It is real When testing, each conducting wire is distinguished into the input and output hole of each near modules of grafting so that the input of corresponding module, output terminal are connected.
The corresponding module refers to that each module in an experimental considerations unit is attached according to requirement of experiment, i.e. photovoltaic The input hole of the delivery outlet connection dc switch module of assembly module, the delivery outlet connection of the dc switch module are grid-connected inverse Become the input hole of module.
The photovoltaic grid-connected inversion module, dc switch module, main transformer module, filtering compensation device module, off-network For inverter module respectively on experimental substrate, each module both sides are respectively equipped with input and output hole, which, which is suitable for grafting experiment, leads Line builds experimental circuit.
Above-mentioned each module is that it is used to allow student to complete experimental wiring in the prior art with disclosed circuit module, with And used in measurement necessary data.Student can carry out respective gut according to curriculum requirements, improve the manipulative ability of student.
Embodiment 2
As shown in Fig. 2, the wind light mutual complementing nature imitation experiment device on the basis of embodiment 1 further includes：Exist for carrying out capacitance The capacity measurement unit of line test experience, the capacity measurement unit include：
Ultrasonic sensor, for gathering the voice signal of measured capacitance generation, to obtain corresponding capacitance sound pressure level。
High Frequency Current Sensor, for gathering the voltage vector at capacitance both ends.
The ultrasonic sensor, High Frequency Current Sensor pass through corresponding data conditioning unit and data processing and control respectively Unit is connected；That is, ultrasonic sensor, High Frequency Current Sensor respectively by first, second data conditioning unit and numerical control at Reason control unit is connected, and first, second data conditioning unit can use the certain proportion being made of integrated operational amplifier Amplifier.
The data processing control units, including：
Capacitance superimposed voltage computing module, suitable for the voltage vector of acquisition is decomposited fundamental voltageWithnSubharmonic voltage Component, i.e. the superimposed voltage at the measured capacitance both ends, i.e.,, calculate the superimposed voltage Virtual valueU, while calculate the virtual value of fundamental voltageU 0；Wherein, obtaining harmonic wave and the method for fundamental wave is obtained by FFT computings Arrive, this method existing a large amount of descriptions in the prior art document, such as：Outstanding in the September, 2009 of Li Jiasheng, bavin generation is published in periodical 《Electric power system protection and control》On paper " electric energy quality harmonic m-Acetyl chlorophosphonazo on-line quick detection technique study " in existing phase Close description.
Capacitance computing module, suitable for according to default measured capacitance type, rated capacitanceC 0, pass through the capacitance acoustic pressure Level data storehouse obtains measured capacitance capacitance sound pressure level corresponding with the virtual value of only each fundamental voltage；Pass through measured capacitance The voice signal of generation, to obtain corresponding capacitance sound pressure level, pass through formula, Calculate the actual capacitance of measured capacitanceC x ；Wherein, the capacitance sound pressure levelBy establishing capacitance sound pressure level database Mode obtain, i.e., all types of capacitances capacitance sound pressure level corresponding with the virtual value of each fundamental voltage is stored with the database, By the type of default input measured capacitance, and the currently virtual value of fundamental voltage obtained by calculating, from capacitance acoustic pressure series The corresponding capacitance acoustic pressure level data of the capacitance is obtained according to library lookup；Calculate corresponding capacitance sound pressure levelMethod in paper document： In June, 2010 is published in《Electronic technology journal》The capacitor noise level calculation method based on vibration signal in be disclosed.
Measured capacitance service life computing module, suitable for the actual capacitance according to measured capacitanceC x With the virtual value of superimposed voltageUCapacitance predictor formula is established, i.e.,；Wherein,CExtreme capacitance values when being damaged for measured capacitance,tFor Capacitance damage expeced time,kFor measured capacitance in the unit time current fundamental voltage virtual valueU 0Under corresponding capacitance Variation coefficient, i.e., whereinC x1WithC x2For in the virtual value of current fundamental voltageU 0Under unit interval The capacitance initial value and final value of interior measured capacitance；Electric capacitance change coefficientkCan be according to all types of capacitances in each fundamental voltage The electric capacitance change coefficient data storehouse established under virtual value by actual measurement obtains, and the electric capacitance change coefficient data storehouse is according to capacitance The virtual value of model and corresponding fundamental voltage is searched to obtain the corresponding electric capacitance change coefficient k of the capacitance, its specific acquisition methods： Capacitance initial value and final value of the measured all types of capacitances within a period of time under the virtual value of various fundamental voltages, then convert Go out corresponding capacitance initial value and final value in a unit interval, obtained by the type of default measured capacitance, and calculating The virtual value of current fundamental voltage, that is searched from electric capacitance change coefficient data storehouse goes out the corresponding electric capacitance change system of the capacitance Numberk, for the ease of calculating, if variable quantity of the capacitance within the unit interval is linear；And pass through the capacitance predictor formula Derive the calculation formula of capacitance damage t expeced time, i.e.,, set the extreme capacitance valuesC, with calculate by Survey the expeced time that capacitance is damaged.
The superimposed voltageVirtual value U computational methods include：Fundamental voltageWithnSubharmonic voltage componentVirtual value quadratic sum square root.It is describednSubharmonic voltage componentInnTake 5.
The data processing control units are realized by FPGA module, i.e. fpga chip XC6SLX9-TQG144.
Table 1 is experimental data and actual measurement comparing result one, and the electric capacitor of table 1 selects huge magnificent electric capacitor BSMJ- 0.415-15-3 15Kvar, set the extreme capacitance values C as the 40% of former capacity.
1 experimental data of table and the actual measurement table of comparisons
Wherein, when calculating electric capacitance change coefficient k, when the unit interval is 24 small, i.e., under 525V fundamental wave virtual values, one day Capacitance change is 0.08uF through actual measurement.
Table 2 is experimental data and actual measurement comparing result two, and the electric capacitor of table 2 selects Shanghai Wei Sikang electric capacitors BSMJ0.4-15-3 and capacitance BSMJ 0.45-15-3, sets the extreme capacitance values C as the 40% of former capacity.
2 experimental data of table and the actual measurement table of comparisons
Wherein, when calculating electric capacitance change coefficient k, when the unit interval is 24 small, i.e., under 450V fundamental wave virtual values, one day Capacitance change is 0.12uF through actual measurement；Or under 415V fundamental wave virtual values, the capacitance change of one day is by actual measurement 0.11uF。
Table 3 is experimental data and actual measurement comparing result three, and the electric capacitor of table 3 selects De Lixi self-healing low-voltage capacitors The parallel power condenser BSMJS0.4 20-3 BSMJ, set the extreme capacitance values C as the 40% of former capacity.
3 experimental data of table and the actual measurement table of comparisons
Wherein, when calculating electric capacitance change coefficient k, when the unit interval is 24 small, i.e., under 380V fundamental wave virtual values, one day Capacitance change is 0.063uF through actual measurement.
Fundamental wave virtual value in the present invention is it is also assumed that be voltage effective value ideally.
From table 1 to table 3 as can be seen that the present invention capacitance on-line checking estimate capacitance remaining time be it is effective, Have the characteristics that accuracy is high, during extreme capacitance values C when close to capacitance actual capacitance close to capacitance damage, settled accounts As a result closer to measured result.Therefore, this experimental provision can complete necessary capacitance on-line checking experiment, its data has very high Reference value；Student can have the use of electric capacitor very deep understanding by capacity measurement unit, enrich scene The subject of complementary emulation experiment.
Embodiment 3
As shown in figure 3, on the basis of embodiment 2, there is provided a kind of method of work of wind light mutual complementing nature imitation experiment device, wherein, The wind light mutual complementing nature imitation experiment device further includes：For carrying out the capacity measurement unit of capacitance on-line checking experiment, the electricity The method of work for holding test cell includes the following steps：
Step S100, obtains superimposed voltage, the virtual value of fundamental voltage at measured capacitance both ends.
The voltage vector at measured capacitance both ends is gathered, and the voltage vector is decomposited into fundamental voltageWithnSubharmonic Component of voltage, i.e. the superimposed voltage at the measured capacitance both ends, i.e.,, calculate the superposition The virtual value of voltageU, while calculate the virtual value U of fundamental voltage0；Wherein, obtaining harmonic wave and the method for fundamental wave is transported by FFT Obtain, this method existing a large amount of descriptions in the prior art document, such as：Outstanding in the September, 2009 of Li Jiasheng, bavin generation is published in the phase Periodical《Electric power system protection and control》On paper " electric energy quality harmonic m-Acetyl chlorophosphonazo on-line quick detection technique study " in it is existing Associated description.Capacitance is electric capacitor in the present invention.
Step S200, obtains the actual capacitance of measured capacitance.
Capacitance sound pressure level database is established, which includes：All types of capacitances are effective only each fundamental voltage The corresponding capacitance sound pressure level of value institute.
Default measured capacitance type, rated capacitanceC 0, measured capacitance is obtained by the capacitance sound pressure level database and is existed The virtual value of current fundamental voltageU 0Under corresponding capacitance sound pressure level；The voice signal that measured capacitance produces is gathered, to obtain Obtain corresponding capacitance sound pressure level, pass through formula, calculate the actual electricity of measured capacitance CapacityC x ；Wherein, the capacitance sound pressure levelObtained by way of establishing capacitance sound pressure level database, i.e., in the database All types of capacitances capacitance sound pressure level corresponding with the virtual value of only each fundamental voltage is stored with, passes through default input measured capacitance Type, and obtained by calculating current fundamental voltage virtual value, obtain the capacitance pair from capacitance sound pressure level database lookup The capacitance acoustic pressure level data answered；Wherein, only have each fundamental voltage and refer to no harmonic voltage；Calculate corresponding capacitance sound pressure level Method in paper document：In June, 2010 is published in《Electronic technology journal》The capacitor noise leveler based on vibration signal It has been disclosed in calculation method.
Step S300, by establishing capacitance predictor formula, calculates the expeced time that measured capacitance is damaged.
Step S310, establishes capacitance predictor formula and electric capacitance change coefficient k calculation formula.
According to the actual capacitance of measured capacitanceC x With the virtual value of superimposed voltageUCapacitance predictor formula is established, i.e.,；Wherein,CExtreme capacitance values when being damaged for measured capacitance,tFor capacitance damage expeced time,kFor the unit time Virtual value of the interior measured capacitance in current fundamental voltageU 0Under corresponding electric capacitance change coefficient, i.e.,C x1 WithC x2For in the virtual value of current fundamental voltageU 0Under unit interval in measured capacitance capacitance initial value and final value；Capacitance Variation coefficientkThe electric capacitance change system that can be established according to the virtual value of all types of capacitances and only each fundamental voltage by actual measurement Number database obtains, which searches to obtain according to the virtual value of capacitance model and corresponding fundamental voltage The corresponding electric capacitance change coefficient of the capacitancek, its specific acquisition methods：It is all kinds of measured by under the virtual value of various fundamental voltages Capacitance initial value and final value of the type capacitance within a period of time, then converse in a unit interval corresponding capacitance initial value and Final value, according to the virtual value of current fundamental voltage obtained by the type of default measured capacitance, and calculating, from electric capacitance change system That is searched in number database goes out the corresponding electric capacitance change coefficient of the capacitancek, for the ease of calculating, if capacitance is within the unit interval Variable quantity be linear.
Step S320, calculates the expeced time that measured capacitance is damaged.
Capacitance damage expeced time is derived by the capacitance predictor formulatCalculation formula, i.e.,If The fixed extreme capacitance valuesC, to calculate the service life of the expeced time that measured capacitance is damaged, i.e. measured capacitance；Its In, extreme capacitance valuesCBy being manually set, the threshold value that also gives a warning for capacitance, easy to carry out online evaluation to capacitance.
Further, the virtual value of the superimposed voltageUPass through fundamental voltageWithnSubharmonic voltage component's The square root of virtual value quadratic sum obtains.
Further, it is contemplated that harmonic energy is distributed, describednSubharmonic voltage componentInnTake 5.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing Change example.

Claims (1)

  1. A kind of 1. wind light mutual complementing nature imitation experiment device, it is characterised in that including：Photovoltaic generation experimental considerations unit, Wind Generation Research list Member, and the off-network inverter module being connected with the storage battery；
    The photovoltaic generation experimental considerations unit includes：Photovoltaic grid-connected inversion module, dc switch module, photovoltaic module module；
    The Wind Generation Research unit includes：Wind-driven generator module, main transformer module, filtering compensation device module；
    The method of work includes：During experiment, by the input and output hole of each conducting wire difference each near modules of grafting so that respective mode The input of block, output terminal are connected；
    The wind light mutual complementing nature imitation experiment device further includes：For carrying out the capacity measurement unit of capacitance on-line checking experiment, institute The method of work for stating capacity measurement unit includes the following steps：
    Step 1：The voltage vector at measured capacitance both ends is gathered, and the voltage vector is decomposited into fundamental voltageWithnIt is secondary humorous Wave voltage component, you can draw the superimposed voltage at the measured capacitance both ends, i.e.,, then Calculate the virtual value of the superimposed voltageU, the virtual value of fundamental voltageU 0；
    Step 2：Capacitance sound pressure level database is established, which includes：All types of capacitances have with only fundamental voltage The corresponding capacitance sound pressure level of valid value；
    Default measured capacitance type, rated capacitanceC 0, according to measured capacitance type and the virtual value of current fundamental voltageU 0From institute State capacitance sound pressure level database and obtain corresponding capacitance sound pressure level；
    The voice signal that measured capacitance produces is gathered, to obtain corresponding capacitance sound pressure level, pass through formula, calculate the actual capacitance of measured capacitanceC x ；
    Step 3：According to the actual capacitance of measured capacitanceC x With the virtual value of superimposed voltageUCapacitance predictor formula is established, i.e.,；Wherein,CExtreme capacitance values when being damaged for measured capacitance,tFor capacitance damage expeced time,kFor the unit time Virtual value of the interior measured capacitance in current fundamental voltageU 0Under corresponding electric capacitance change coefficient, i.e., its In,C x1WithC x2For the capacitance initial value and final value of measured capacitance in the unit time；
    Set the extreme capacitance valuesC, capacitance damage expeced time is derived by the capacitance predictor formulatCalculating it is public Formula, i.e.,, to calculate the expeced time that measured capacitance is damaged.
CN201711242401.8A 2014-06-11 2014-09-18 Wind light mutual complementing nature imitation experiment device Withdrawn CN108008219A (en)

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CN201711245018.8A Expired - Fee Related CN108037386B (en) 2014-06-11 2014-09-18 Wind-solar complementary simulation experiment device for power supply and distribution and grid-connected experiment
CN201711077611.6A Withdrawn CN107807291A (en) 2014-06-11 2014-09-18 For the wind light mutual complementing nature imitation experiment device for distribution, grid-connected experiment
CN201711245009.9A Active CN107991563B (en) 2014-06-11 2014-09-18 Wind-solar complementary simulation experiment device for power supply and distribution and grid-connected experiment and working method
CN201711077612.0A Withdrawn CN107861003A (en) 2014-06-11 2014-09-18 Wind light mutual complementing nature imitation experiment device
CN201711075357.6A Withdrawn CN107607823A (en) 2014-06-11 2014-09-18 A kind of method of work of wind light mutual complementing nature imitation experiment device
CN201711242401.8A Withdrawn CN108008219A (en) 2014-06-11 2014-09-18 Wind light mutual complementing nature imitation experiment device
CN201711242404.1A Withdrawn CN107782999A (en) 2014-06-11 2014-09-18 A kind of method of work of wind light mutual complementing nature imitation experiment device
CN201410480111.7A Active CN105319459B (en) 2014-06-11 2014-09-18 A kind of method of work of wind light mutual complementing nature imitation experiment device
CN201711077613.5A Withdrawn CN107843790A (en) 2014-06-11 2014-09-18 For the method for work for distribution, the wind light mutual complementing nature imitation experiment device of grid-connected experiment

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CN201711077611.6A Withdrawn CN107807291A (en) 2014-06-11 2014-09-18 For the wind light mutual complementing nature imitation experiment device for distribution, grid-connected experiment
CN201711245009.9A Active CN107991563B (en) 2014-06-11 2014-09-18 Wind-solar complementary simulation experiment device for power supply and distribution and grid-connected experiment and working method
CN201711077612.0A Withdrawn CN107861003A (en) 2014-06-11 2014-09-18 Wind light mutual complementing nature imitation experiment device
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Publication number Priority date Publication date Assignee Title
CN107607823A (en) * 2014-06-11 2018-01-19 钱珺佳 A kind of method of work of wind light mutual complementing nature imitation experiment device

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CN110649656B (en) * 2019-10-14 2023-03-24 国网山东省电力公司莱芜供电公司 Grid-connected system of photovoltaic power station

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