CN102590744A - Test method, test platform and test system for wind-photovoltaic-storage hybrid grid-connected power generation - Google Patents
Test method, test platform and test system for wind-photovoltaic-storage hybrid grid-connected power generation Download PDFInfo
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Abstract
A test method for wind-photovoltaic-storage hybrid grid-connected power generation includes the following steps: acquired resource data or power data are provided for a simulated power generation source controller in order to control the output power of the simulated power generation source; the statistic of a load is provided for a simulated load controller in order to control the power of the simulated load; the initial parameters of a wind-photovoltaic-storage hybrid power generation system to be tested are provided for a monitor; the data of each part of the system is acquired, and a comparison diagram is utilized to analyze the reliability of the system; an acquired actual curve is compared with a theoretical curve so as to evaluate whether the system performance meets requirement, and the controllability of the simulated power generation source controller and the simulated load controller is utilized to carry out a reliability test on the system under extreme and faulty conditions. According to the inveniton, the economy and reliability indexes of the wind-photovoltaic-storage hybrid power generation system can be conveniently researched and analyzed.
Description
Technical field
The present invention relates to the field tests of generating electricity, relate in particular to a kind of scene storage and unite the test macro that generates electricity by way of merging two or more grid systems.
Background technology
Sun power and wind energy are that the Nature is vouchsafed human renewable and clean energy resource.Sun power and wind energy have unlimited reserves, and be economical and have characteristics such as scope is wide.
Wind-light combined power generation system is exactly a complementarity of utilizing wind energy and sun power, as evening wind energy sufficient relatively, daytime, sun power was sufficient; Sun in summer can be sufficient; Winter, therefore wind energy abundance etc., thereby utilized the complementary consumption that can reduce energy storage to improve the economy and the reliability of system.And the reliability of system also not only depends on each assembly, and more by the electric network state that connects total system, and each control assembly decides.
Existing disclosed patented claim all only discloses a kind of or concentrated scene and has united the technology of generating electricity by way of merging two or more grid systems or system, but does not all disclose the design process of this wind-light combined power generation system.In power field; A lot of generators are when design; Corresponding performance test methods and test platform are all arranged, and whether reasonable, according to testing result generator is optimized and improves again if can be used for detecting the design of studying generator; But still do not exist in the prior art and special honourable storing cogeneration system is carried out the method and the platform of performance test analysis, this has just restricted the utilization and the development of honourable storing cogeneration system.
Publication number is that the one Chinese patent application of CN200910103683 discloses a kind of wind-photovoltaic-hydrogen comprehensive energy power generating system performance test methods and test platform thereof; Though the said technical scheme of this patented claim is built specific components classification/amount of capacity/performance and has been accomplished the test battery device; But cost of investment is high; The test equipment utilization factor is relatively low simultaneously, and fails only to rest on system's electrification component performance test aspect from whole network system aspect test performance.
In order to overcome the deficiency on the prior art, and for the technician provides a kind of economy that can conveniently research and analyse honourable storing cogeneration system, reliability index is needed design wind-light combined power generation system method of testing and corresponding test platform badly.
Summary of the invention
In view of this, the present invention provides a kind of and can conveniently research and analyse the economy of honourable storing cogeneration system, the method for testing of generating electricity by way of merging two or more grid systems, platform and system are united in the scene storage of reliability index.
For addressing the above problem, technical scheme provided by the invention is following:
The present invention provides a kind of scene storage associating grid-connected system performance test methods, said method comprising the steps of:
To gather resource data or power data and offer simulation energy source controller, the output power of control simulation energy source;
The statistical value of load is offered the fictitious load controller, the watt level of control fictitious load;
The initial parameter of to be tested honourable storing cogeneration system is offered watch-dog;
Gather the each several part data of said system, and utilize comparison diagram to analyze the reliability of said system;
With gather the contrast of actual curve and theoretical curve, whether assessment of system performance meets the requirements, and utilizes the controllability of simulation energy source controller and fictitious load controller, said system is carried out the reliability testing of limiting case, failure condition.
Preferably, said method also comprises: carry out the test of being incorporated into the power networks of actual wind, light energy source, the completion system performance evaluation.
Preferably, said simulation energy source is replaced by energy source, and/or said fictitious load is by generator loading or resistance box or RLC load replacement.
Preferably, comparison diagram comprises: system power-time diagram; System voltage-time diagram; System frequency-time diagram; The system voltage probability distribution graph; The system frequency probability distribution graph; The voltage spectral density; Frequency spectrum density.
The present invention also provides a kind of honourable storing cogeneration system performance testing platform, comprising:
Power supply buses, experiment bus, first, second, third, fourth, the 5th, the 6th protection and relay system, simulation energy source, fictitious load, first, second, third, fourth optional transformer, first, second supply transformer, photovoltaic module, fan assembly, battery component, diesel-driven generator, simulation energy source/load cabinet supply transformer and direct current supply bus;
First, second supply transformer input end links to each other with power supply buses with the relay system isolating switch through first, second protection respectively;
The second supply transformer output terminal is connected with the fictitious load end with the simulation energy source through the experiment bus;
Photovoltaic module, fan assembly, battery component, the diesel-driven generator all power electronic equipment through separately are connected with the experiment bus with first, second, third, fourth optional transformer;
First, second, third, fourth optional transformer is connected with the experiment bus with relay system through the 3rd, the 4th, the 5th, the 6th protection respectively;
The electric pressure of first, second, third, fourth optional transformer is mated with the electric pressure of experiment bus.
Preferably, said the first, second, third, fourth, the 5th, the 6th protection and relay system are specially isolating switch.
Preferably, said simulation energy source is replaced by energy source, and/or said fictitious load is by generator loading or resistance box or RLC load replacement.
The present invention further provides a kind of scene storage to unite the test macro that generates electricity by way of merging two or more grid systems, and said system comprises: simulation energy source controller, fictitious load controller, watch-dog, data acquisition unit, comparison diagram analytic unit and assessment unit;
Data acquisition unit is gathered resource data or power data and is offered simulation energy source controller, the output power of control simulation energy source; Data acquisition unit offers the fictitious load controller with the statistical value of load, the watt level of control fictitious load;
Watch-dog receives the initial parameter of to be tested honourable storing cogeneration system;
The comparison diagram analytic unit is analyzed the each several part data of the said system that said data acquisition unit gathers, and is plotted as comparison diagram, confirms said system reliability;
Assessment unit; With gather actual curve and the theoretical curve contrast of said comparison diagram; Whether assessment of system performance meets the requirements, and utilizes the controllability of simulation energy source controller and fictitious load controller, said system is carried out the reliability testing of limiting case, failure condition.
Preferably, said simulation energy source is replaced by energy source, and/or said fictitious load is by generator loading or resistance box or RLC load replacement.
Through the description of such scheme, can see that the present invention possesses following advantage:
Because the said scene storage of embodiment of the invention associating grid-connected system performance test methods at first will be gathered resource data or power data and offer simulation energy source controller, the output power of control simulation energy source; The statistical value of load is offered the fictitious load controller, the watt level of control fictitious load; The initial parameter of to be tested honourable storing cogeneration system is offered watch-dog; Gather the each several part data of said system then, and utilize comparison diagram to analyze the reliability of said system; To gather at last the contrast of actual curve and theoretical curve, whether assessment of system performance meets the requirements, and utilizes the controllability of simulation energy source controller and fictitious load controller, said system is carried out the reliability testing of limiting case, failure condition.Therefore said method can conveniently be researched and analysed economy, the reliability index of honourable storing cogeneration system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the scene storage associating grid-connected system performance test methods first embodiment process flow diagram according to the invention;
Fig. 2 is a honourable storing cogeneration system performance testing platform structure synoptic diagram according to the invention;
Fig. 3 is a scene storage associating grid-connected system Performance Test System structural drawing according to the invention;
Fig. 4 is a scene storage associating grid-connected system Performance Test System specific embodiment structural drawing according to the invention;
Fig. 5 is supervision according to the invention and control unit interface structural drawing;
Fig. 6 is an OO module diagnostic classification chart according to the invention.
Embodiment
The present invention provides a kind of can conveniently research and analyse the economy of honourable storing cogeneration system, the method for testing of generating electricity by way of merging two or more grid systems is united in the scene storage of reliability index.
For the ease of those skilled in the art's understanding, scheme according to the invention is described further below in conjunction with accompanying drawing.
Referring to Fig. 1, this figure is the scene storage associating grid-connected system performance test methods first embodiment process flow diagram according to the invention.
The said scene storage of first embodiment of the invention associating grid-connected system performance test methods may further comprise the steps:
S100, will gather resource data or power data and offer simulation energy source controller, the output power of control simulation energy source.
Said simulation energy source can be substituted by the energy source of reality; Like diesel engine, gasoline engine etc. substitute, and also can use motor drawing generator analog power; But only can realize the power output of stable state, can't realize wind, the needed dynamic change simulation of light generating simulation.
S200, the statistical value of load is offered the fictitious load controller, the watt level of control fictitious load.
Fictitious load can use motor load, resistance box or RLC load, but only can realize the power of stable state, perhaps among a small circle in notch cuttype regulate size, can't simulate the needed dynamic change simulation of actual loading.
S300, the initial parameter of to be tested honourable storing cogeneration system is offered watch-dog.
Said initial parameter comprises the amount of capacity of energy storage, parameters such as start-up time; And the diesel-driven generator amount of capacity, start-up time, parameters such as minimum working time.
The each several part data of S400, the said system of collection, and utilize comparison diagram to analyze the reliability of said system.
Comparison diagram mainly comprises: system power-time diagram (comprising various energy sources and consumption); System voltage-time diagram; System frequency-time diagram; The system voltage probability distribution graph; The system frequency probability distribution graph; Voltage spectral density (V^2/Hz); Frequency spectrum density (Hz^2/Hz) etc.
S500, will gather the contrast of actual curve and theoretical curve, whether assessment of system performance meets the requirements, and utilizes the controllability of simulation energy source controller and fictitious load controller, said system is carried out the reliability testing of limiting case, failure condition.
Because the said scene storage of embodiment of the invention associating grid-connected system performance test methods at first will be gathered resource data or power data and offer simulation energy source controller, the output power of control simulation energy source; The statistical value of load is offered the fictitious load controller, the watt level of control fictitious load; The initial parameter of to be tested honourable storing cogeneration system is offered watch-dog; Gather the each several part data of said system then, and utilize comparison diagram to analyze the reliability of said system; To gather at last the contrast of actual curve and theoretical curve, whether assessment of system performance meets the requirements, and utilizes the controllability of simulation energy source controller and fictitious load controller, said system is carried out the reliability testing of limiting case, failure condition.Therefore said method can conveniently be researched and analysed economy, the reliability index of honourable storing cogeneration system.
The difference of relative first embodiment of scene storage associating grid-connected system performance test methods second embodiment according to the invention is, also comprises behind the said step S500: carry out the test of being incorporated into the power networks of actual wind, light energy source, the completion system performance evaluation.
The present invention provides a kind of can conveniently research and analyse the economy of honourable storing cogeneration system, the test platform that generates electricity by way of merging two or more grid systems is united in the scene storage of reliability index.
Referring to Fig. 2, this figure is a honourable storing cogeneration system performance testing platform structure synoptic diagram according to the invention.
Honourable storing cogeneration system performance testing platform according to the invention comprises: power supply buses, experiment bus, first, second, third, fourth, the 5th, the 6th protection and relay system, simulation energy source, fictitious load, first, second, third, fourth optional transformer, first, second supply transformer, photovoltaic module, fan assembly, battery component, diesel-driven generator, simulation energy source/load cabinet supply transformer and direct current supply bus.
Said the first, second, third, fourth, the 5th, the 6th protection and relay system specifically can be isolating switch.
Wherein, if experiment bus and power supply buses are connected to the test macro that is incorporated into the power networks; If experiment bus and power supply buses are broken as from the net test macro.
First, second supply transformer input end links to each other with power supply buses with the relay system isolating switch through first, second protection respectively.
The second supply transformer output terminal is connected with the fictitious load end with the simulation energy source through the experiment bus.
Photovoltaic module, fan assembly, battery component, the diesel-driven generator all power electronic equipment through separately are connected with experiment bus (electrical network) with first, second, third, fourth optional transformer.
First, second, third, fourth optional transformer is connected with the experiment bus with relay system through the 3rd, the 4th, the 5th, the 6th protection respectively.
The electric pressure of first, second, third, fourth optional transformer is mated with the electric pressure of experiment bus.
Platform according to the invention can compatible variety classes and the test of capacity module: the wind, light, bavin, the storage joint test that vary in size like many pool-sizes.Platform according to the invention can compatible different voltage level estimates: selects according to the electric pressure and the voltage of experiment bus, and the corresponding transformer transformation of each assembly, system works is tested in the different voltages with different grade.Platform according to the invention can adapt to different mains frequencies: if the equipment in the test equipment can both adapt to the mains frequency of 50Hz/60Hz, therefore when power supply is set to 60Hz, can carry out the test of 60Hz.Platform according to the invention can adapt to the test of different power network topology: the test of can the completion system leave/being incorporated into the power networks of the switching through different switches.Platform according to the invention can carry out limit test and fault test: because the simulation energy source and the fictitious load of system are controlled fully; Can be through generating, the load variations under the simulation limiting case; Perhaps the analog part component faults is carried out the limit and fault test.Platform according to the invention can be perfect remote monitoring and protection system: the state of each equipment and parameter are transferred in the monitoring cabinet in real time in the test equipment, and when warning of setting when being in order and protective condition, supervisory system is sent alerting signal or action.
Equally, said simulation energy source can be replaced by energy source.Said fictitious load can be by generator loading or resistance box or RLC load replacement.
Combine Fig. 2 to specify the test process of honourable storing cogeneration system performance testing platform at present:
1) test of being incorporated into the power networks separately; Switch on the at first closed experiment bus; I.e. protection and relay system 2 (second protection and relay system); Break off simulation energy source and fictitious load end switch simultaneously, i.e. protection and relay system 1 (first protection and relay system) is through the switch that is connected of the single blower fan of closure, photovoltaic, battery, diesel-driven generator and experiment bus; I.e. protection and relay system 3,4,5,6 (third and fourth, five, six protection and relay systems) is to the debugging of being incorporated into the power networks respectively of each assembly.Supervisory system through each assembly obtains its performance parameter, like the essential characteristic parameter of blower fan part: wind speed curve, powertrace, the voltage curve that is incorporated into the power networks, current curve, frequency curve, start-up time, turn-off time, brake time or the like; The fundamental characteristics parameter of photovoltaic part: irradiation intensity curve, powertrace, the voltage curve that is incorporated into the power networks, current curve, frequency curve or the like; The minimum working time of diesel generation part, minimum load requirement, start-up time, stand-by time, powertrace, voltage curve, current curve etc.; The dump energy of energy storage section, temperature, powertrace, the voltage curve that is incorporated into the power networks, current curve or the like; These essential characteristic parameters are offered the supervision and the controller of test macro, revise the preset value of supervisory controller;
2) from the simulation of net bus; Leaving black startup of net tests; At first break off the protection and the relay system 3,4 (i.e. the 3rd, the 4th protection and relay system) of blower fan, photovoltaic correspondence, closed battery, corresponding protection and the relay system 1 of simulation energy source; 5 (promptly first, five guarantees protect and relay system); Let simulation energy source and the whole analog bus of start battery, fictitious load is as the total load consumed power, the black start-up ability of assessment battery during as main voltage support; And when simulation energy source and battery different proportion, the characteristic of whole simulation electrical network: voltage curve, current curve, powertrace, frequency curve etc.
3) grid type blower fan, photovoltaic are connected to from the operation of net bus; On the black basis that starts experiment of net, closed blower fan, photovoltaic corresponding protection and relay system 3,4 in the system (i.e. the 3rd, the 4th protection and relay system) carry out commissioning test, obtain and 1) identical service data, and supervisory system carried out the initial value correction.
4) microgrid test; Through to open and close and the switching state thereof of protection with the switch of relay system 2 (i.e. second protection and relay system); Accomplish from the test of different electric net topologies such as net type, grid type; Design comprises the simulation minor scale power net system of experiment bus, protection and the relay system of various change-over switches, different voltages with different grade and form; Obtain technical data such as the relevant quality of power supply minimum requirements of various topological structures, stable minimum requirements; And the fault detect and the failure operation scheme of microgrid system studied and test, accomplish basic microgrid test.
The present invention also provides a kind of can conveniently research and analyse the economy of honourable storing cogeneration system, the test macro that generates electricity by way of merging two or more grid systems is united in the scene storage of reliability index.
Referring to Fig. 3, this figure is a scene storage associating grid-connected system Performance Test System structural drawing according to the invention.
The test macro that generates electricity by way of merging two or more grid systems is united in the said scene storage of first embodiment of the invention, comprising: simulation energy source controller 11, fictitious load controller 12, watch-dog 13, data acquisition unit 14, comparison diagram analytic unit 15 and assessment unit 16.
Watch-dog 13 receives the initial parameter of to be tested honourable storing cogeneration system.Said initial parameter comprises the amount of capacity of energy storage, parameters such as start-up time; And the diesel-driven generator amount of capacity, start-up time, parameters such as minimum working time.
Comparison diagram analytic unit 15 is analyzed the each several part data that data acquisition unit is gathered said system, obtains comparison diagram, confirms said system reliability.
Comparison diagram mainly comprises: system power-time diagram (comprising various energy sources and consumption); System voltage-time diagram; System frequency-time diagram; The system voltage probability distribution graph; The system frequency probability distribution graph; Voltage spectral density (V^2/Hz); Frequency spectrum density (Hz^2/Hz) etc.
Equally, said simulation energy source can be replaced by energy source.Said fictitious load can be by generator loading or resistance box or RLC load replacement.
Referring to Fig. 4 to Fig. 6, Fig. 4 is a scene storage associating grid-connected system Performance Test System specific embodiment structural drawing according to the invention; Fig. 5 is supervision according to the invention and control unit interface structural drawing; Fig. 6 is an OO module diagnostic classification chart according to the invention.
Scene storage associating grid-connected system Performance Test System according to the invention is also referred to as scene storage associating grid-connected system supervisory system, can comprise complete supervision, control and the test function of a cover.
Said surveillance can consist of the following components: man-machine interface PC, watch-dog, remote transport interface, sub-controller 1,2,3,4,5,6, electrical network characterisitic parameter acquisition interface, electric network state control interface.The state (voltage, electric current, frequency, power) of state of all devices (voltage, electric current, temperature, on off state) and electrical network can pass through in the mode input monitoring device of IO interface or communication, and watch-dog is controlled each assembly simultaneously.Can realize real-time communication between watch-dog and the host computer interface.Operating personnel can monitor test macro through man-machine interface PC, and the remote transport interface mode can be provided.
Supervision is as shown in Figure 5 with control unit interface, and supervision mainly comprises with the interface of controller: simulated measurement input circuit interface, digital quantity imput output circuit interface, communication interface.
Simulated measurement input circuit interface: the voltage and current amount of gathering each assembly and electric network state through the voltage and current mutual inductor;
Digital quantity imput output circuit interface:, and monitor the state of each isolating switch through the disconnection and the closure of Digital I CS;
Communication interface: mainly the mode through industrial communication obtains the quantity of state of each assembly and controlled quentity controlled variable is provided;
Said watch-dog can use OO design, and is as shown in Figure 6.
With each component Name, rated power, priority, state, active power, same characteristic features such as reactive power are defined as identical parent;
To comprise separately: characteristics such as the start-up time of generating class, stop time, maximum output, energy resource consumption; Characteristics such as the start-up time of energy storage class, stop time, maximum output; The start-up time of load class, stop time, maximum output etc. respectively is customized for the subclass of different characteristic; Subclass is inherited the parent characteristic through the Object-Oriented Software Design method, accomplishes the description of each assembly.As shown in Figure 5, can each assembly of system be united in the case, through generating in the instant recognition system or electricity consumption component states, can accomplish the assembly networking test of variety classes and different capabilities size.And system is to fault test, and limit test also has excellent adaptability.
Down in the face of each assembly with the different capacity grade start, shut down, the test process of continuous runtime system describes:
At first need realize mainly including but are not limited to the combination of following assembly operating state, reach the purpose of the different operating conditions of simulation system:
Blower fan is shut down running status; The fan starting running status; Wind speed sharply changes running status; Photovoltaic is shut down running status; The photovoltaic continuously running duty; The diesel-driven generator starting state; The diesel-driven generator stopped status; Diesel-driven generator underrun state; The quick responsive state of energy storage short-term; The energy storage dispatch state; The constant duty state; Sudden load condition; Ultimate limit state; Catastrophic discontinuityfailure state etc.
Write down the basic parameter under the various combination situation of above state:
Experiment bus basic parameter: voltage, electric current, frequency, power etc.; Assembly basic parameter: efficient, power, power factor, temperature etc.; Carry out power quality analysis (voltage deviation, harmonic wave, variation in voltage, frequency jitter), the equilibrium analysis of generating-load power, grid adaptability analysis (low-voltage, high voltage, low frequency, high-frequency) according to basic parameter afterwards.
Through the time series data of gathering is comprised statistical value statistics such as minimum value, maximal value, mean value, standard deviation under the different time intervals situation; With reference to European utility distribution system voltage characteristic standard EN 50160, utilize maximal value and minimum value evaluating system whether can satisfy minimum requirements; Utilize mean value and standard deviation evaluating system error; Utilize the upward contrast of axle at one time of generated output, load power, voltage, electric current, frequency time series, in voltage constantly, electric current, the frequency limitation, then system performance parameter does not meet the demands if any generated output and load power match; If these values transfinite, then carry out the grid adaptability analysis, like low/high-voltage state, the reason that low/high-frequency state produces, and, systematic parameter is met the demands through revising supervision and controller parameter.
Statistical analysis, comparative evaluation system component amount of capacity, and whether the control performance of controller meets security, stability, reliability and power quality index requirement.On this basis, carry out the test of being incorporated into the power networks of actual wind, light energy source, the completion system performance evaluation.
The method of the invention, platform and system can compatible variety classeses and the test of capacity module: the blower fan, photovoltaic, diesel-driven generator, the battery joint test that vary in size like many pool-sizes; Compatible different voltage level estimates: the voltage according to two buses is selected, and the corresponding transformer transformation of each assembly, and system works is tested in the different voltages with different grade; Adapt to different mains frequencies:, therefore when power supply is set to 60Hz, can carry out the test of 60Hz if the equipment in the test equipment can both adapt to the mains frequency of 50Hz/60Hz; Adapt to the test of different power network topology: the test of can the completion system leave/being incorporated into the power networks of the switching through different switches; Can carry out limit test and fault test: because the simulation energy source and the fictitious load of system are controlled fully, can be through generating, the load variations under the simulation limiting case, perhaps the analog part component faults is carried out the limit and fault test; Perfect remote monitoring and protection system: the state of each equipment and parameter are transferred in the monitoring cabinet in real time in the test equipment, and when warning of setting when being in order and protective condition, supervisory system is sent alerting signal or action.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a scene storage associating grid-connected system performance test methods is characterized in that, said method comprising the steps of:
To gather resource data or power data and offer simulation energy source controller, the output power of control simulation energy source;
The statistical value of load is offered the fictitious load controller, the watt level of control fictitious load;
The initial parameter of to be tested honourable storing cogeneration system is offered watch-dog;
Gather the each several part data of said system, and utilize comparison diagram to analyze the reliability of said system;
With gather the contrast of actual curve and theoretical curve, whether assessment of system performance meets the requirements, and utilizes the controllability of simulation energy source controller and fictitious load controller, said system is carried out the reliability testing of limiting case, failure condition.
2. scene storage associating grid-connected system performance test methods according to claim 1 is characterized in that said method also comprises: carry out the test of being incorporated into the power networks of actual wind, light energy source, the completion system performance evaluation.
3. scene storage associating grid-connected system performance test methods according to claim 1 is characterized in that said simulation energy source is replaced by energy source, and/or said fictitious load is by generator loading or resistance box or RLC load replacement.
4. scene storage associating grid-connected system performance test methods according to claim 1 is characterized in that comparison diagram comprises: system power-time diagram; System voltage-time diagram; System frequency-time diagram; The system voltage probability distribution graph; The system frequency probability distribution graph; The voltage spectral density; Frequency spectrum density.
5. a honourable storing cogeneration system performance testing platform is characterized in that, comprising:
Power supply buses, experiment bus, first, second, third, fourth, the 5th, the 6th protection and relay system, simulation energy source, fictitious load, first, second, third, fourth optional transformer, first, second supply transformer, photovoltaic module, fan assembly, battery component, diesel-driven generator, simulation energy source/load cabinet supply transformer and direct current supply bus;
First, second supply transformer input end links to each other with power supply buses with the relay system isolating switch through first, second protection respectively;
The second supply transformer output terminal is connected with the fictitious load end with the simulation energy source through the experiment bus;
Photovoltaic module, fan assembly, battery component, the diesel-driven generator all power electronic equipment through separately are connected with the experiment bus with first, second, third, fourth optional transformer;
First, second, third, fourth optional transformer is connected with the experiment bus with relay system through the 3rd, the 4th, the 5th, the 6th protection respectively;
The electric pressure of first, second, third, fourth optional transformer is mated with the electric pressure of experiment bus.
6. honourable storing cogeneration system performance testing platform according to claim 5 is characterized in that said the first, second, third, fourth, the 5th, the 6th protection and relay system are specially isolating switch.
7. honourable storing cogeneration system performance testing platform according to claim 5 is characterized in that said simulation energy source is replaced by energy source, and/or said fictitious load is by generator loading or resistance box or RLC load replacement.
8. the test macro that generates electricity by way of merging two or more grid systems is united in a scene storage, it is characterized in that said system comprises: simulation energy source controller, fictitious load controller, watch-dog, data acquisition unit, comparison diagram analytic unit and assessment unit;
Data acquisition unit is gathered resource data or power data and is offered simulation energy source controller, the output power of control simulation energy source; Data acquisition unit offers the fictitious load controller with the statistical value of load, the watt level of control fictitious load;
Watch-dog receives the initial parameter of to be tested honourable storing cogeneration system;
The comparison diagram analytic unit is analyzed the each several part data of the said system that said data acquisition unit gathers, and is plotted as comparison diagram, confirms said system reliability;
Assessment unit; With gather actual curve and the theoretical curve contrast of said comparison diagram; Whether assessment of system performance meets the requirements, and utilizes the controllability of simulation energy source controller and fictitious load controller, said system is carried out the reliability testing of limiting case, failure condition.
9. honourable storing cogeneration system performance testing according to claim 8 system is characterized in that said simulation energy source is replaced by energy source, and/or said fictitious load is replaced by generator loading or resistance box or RLC load.
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102801157A (en) * | 2012-07-24 | 2012-11-28 | 江苏省电力设计院 | Wind and photovoltaic complementary power generation system reliability evaluation method based on Copula theory |
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| CN102801157A (en) * | 2012-07-24 | 2012-11-28 | 江苏省电力设计院 | Wind and photovoltaic complementary power generation system reliability evaluation method based on Copula theory |
| CN103135020A (en) * | 2013-02-06 | 2013-06-05 | 上海交通大学 | Flexibly configured experimental platform suitable for various distributed type power supply connection modes |
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| CN106856331B (en) * | 2015-12-09 | 2020-10-13 | 中国电力科学研究院 | Grid-connected performance testing method for wind-solar combined power generation system |
| CN106856331A (en) * | 2015-12-09 | 2017-06-16 | 中国电力科学研究院 | A kind of grid-connected performance test methods of wind-light combined power generation system |
| CN105846463A (en) * | 2016-05-09 | 2016-08-10 | 东南大学 | Black-start method and system with multi-source coordination |
| CN105846463B (en) * | 2016-05-09 | 2018-12-18 | 东南大学 | A kind of black-start method and system of multi-source coordination |
| CN106872818A (en) * | 2016-12-29 | 2017-06-20 | 中国电力科学研究院 | The grid-connected Performance Test System and method of a kind of smooth storing cogeneration device |
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| CN112615372A (en) * | 2020-12-24 | 2021-04-06 | 国网江西省电力有限公司电力科学研究院 | Voltage interference device-containing zone detection method based on coefficient of variation |
| CN112615372B (en) * | 2020-12-24 | 2022-10-11 | 国网江西省电力有限公司电力科学研究院 | Voltage interference device-containing zone detection method based on coefficient of variation |
| CN112881857A (en) * | 2021-01-11 | 2021-06-01 | 华翔翔能科技股份有限公司 | Real-time perception power grid fault prevention system and method |
| CN112510734A (en) * | 2021-02-05 | 2021-03-16 | 沈阳微控新能源技术有限公司 | Virtual inertia response offline test system and method based on flywheel energy storage device |
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| CN114243756B (en) * | 2021-11-16 | 2023-09-15 | 云南电网有限责任公司迪庆供电局 | Regional parallel off-grid multiple power generation unit control device and method thereof |
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