CN204789831U - Little electric wire netting simulation experiment platform - Google Patents

Little electric wire netting simulation experiment platform Download PDF

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Publication number
CN204789831U
CN204789831U CN201520538850.7U CN201520538850U CN204789831U CN 204789831 U CN204789831 U CN 204789831U CN 201520538850 U CN201520538850 U CN 201520538850U CN 204789831 U CN204789831 U CN 204789831U
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microgrid
current
photovoltaic
micro
wind
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刘志强
吕斌
姜禹强
罗文�
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NANJING KUANGSEN ELECTRICAL TECHNOLOGY Co Ltd
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NANJING KUANGSEN ELECTRICAL TECHNOLOGY Co Ltd
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Abstract

The utility model relates to a little electric wire netting simulation experiment platform. Its purpose is in order to provide an electric wire netting simulation platform of regulating and control flexibility, reliable data. The utility model discloses an electric wire netting simulator, direct current energy memory, two way convertor, non -linear rectification load, central controller and display screen. The direct current microgrid parallelly connectedly respectively has three branch roads with exchanging between the microgrid, and each is provided with electric energy quality analysis appearance on the road respectively, the direct current microgrid with exchange between the microgrid first on the road in proper order the series connection have direct current energy memory and two way convertor, the direct current microgrid with exchange second between the microgrid and establish ties in proper order on the road and have photovoltaic analog power supply and photovoltaic inverter, the direct current microgrid with exchange third between the microgrid and establish ties in proper order on the road and have wind -powered electricity generation analog power supply and wind -powered electricity generation converter. Be provided with non -linear rectification load on the fourth way that the interchange microgrid was drawn, the current output terminal and the power end of RLC tunable load of non -linear rectification load are connected to be provided with the 5th electric energy quality analysis appearance.

Description

A kind of micro-capacitance sensor simulation experiment platform
Technical field
The utility model relates to micro-capacitance sensor technical field, particularly relates to a kind of micro-capacitance sensor simulation experiment platform.
Background technology
Mainly rely on fossil fuel with the prehuman productive life energy, these fossil fuels mainly comprise oil, rock gas and coal etc. natural, non-renewable energy resources.Forming process due to fossil fuel needs, through thousands of upper a century, to add the continuous increase of the size of population, and fossil fuel very soon can be depleted, and the mankind will have to face energy starved problem.
Electric energy is clean practical secondary energy, has to pass through the conversion of primary energy.The primary energy such as sun power, wind energy, fire, water, tide energy, nuclear energy can obtain electric energy by conversion.The acquisition of electric energy not only solves energy starved problem on the one hand, further improves energy structure, alleviates environmental pollution; On the one hand, the primary energy such as wind energy, sun power can be gathered materials on the spot, and without the need to transport, pollution-free, tool has an enormous advantage, and is the representational new and renewable sources of energy of most.Therefore, wind-power electricity generation and photovoltaic generation become the research emphasis of power industry, and based on this, propose the concept of the micro-capacitance sensor be jointly made up of wind energy, sun power, accumulator and gas turbine.
Appearance and the fast development of micro-capacitance sensor will be the problems that electric system is difficult to avoid.The impact that they will bring front what is called to have to existing electric system; and produce some new problems: as Grid-connection standards, the combination method of micro-capacitance sensor and electrical network; impact on electrical network after micro-capacitance sensor access electrical network; the operation of the supervision of the energy, monitoring and adjustment and micro-capacitance sensor itself controls, and the aspect such as protective relaying device and cooperation thereof all needs to carry out research and exploitation.The research in this respect of current China and field operation experiences less, carry out testing and directly dropping into construction if insufficient, have a lot of drawback and improper: on the one hand, many detours will inevitably be walked in micro-capacitance sensor process of construction, not only lose time, and the manpower and materials that loss is a large amount of; On the other hand, because technology is immature and rashly implement, possibly damage is caused to whole electric system, produce the consequence that cannot retrieve.
Utility model content
The technical problems to be solved in the utility model is to provide the micro-capacitance sensor simulation experiment platform that a kind of structure is simple, regulation and control are flexible, simulated data is true and reliable.
A kind of micro-capacitance sensor simulation experiment platform of the utility model, comprise electrical network simulator, DC energy storage device, two way convertor, Nonlinear Integer current load, central controller and display screen, the ac bus of electric system is connected by the current input terminal of transformer with electrical network simulator, the current output terminal of electrical network simulator is connected with the current input terminal of rectifier by wire, the current output terminal of rectifier is connected with direct-current micro-grid, the wire of the current output terminal of electrical network simulator is provided with the first power quality analyzer, microgrid is exchanged with the wire between rectifier is drawn at the first power quality analyzer, direct-current micro-grid is parallel with the first branch road respectively with exchanging between microgrid, second branch road and the 3rd branch road, direct-current micro-grid is in series with DC energy storage device and two way convertor successively with on the first branch road exchanged between microgrid, two way convertor is provided with the second power quality analyzer with exchanging between microgrid, direct-current micro-grid is in series with photovoltaic analog power and photovoltaic DC-to-AC converter successively with on the second branch road exchanged between microgrid, the current input terminal of photovoltaic DC-to-AC converter is also connected with the current output terminal end of photovoltaic battery panel, the power end access controllable electric power of photovoltaic battery panel, photovoltaic DC-to-AC converter is provided with the 3rd power quality analyzer with exchanging between microgrid, direct-current micro-grid is in series with wind-powered electricity generation analog power and wind electric converter successively with on the 3rd branch road exchanged between microgrid, the current input terminal of wind electric converter is connected with the current output terminal of small-sized fan, the position of small-sized fan is provided with controlled wind regime, wind electric converter is provided with the 4th power quality analyzer with exchanging between microgrid, interchange microgrid draws the 4th branch road, 4th branch road is provided with Nonlinear Integer current load, the current output terminal of Nonlinear Integer current load is connected with the power end of RLC tunable load, at Nonlinear Integer current load with exchange and be provided with the 5th power quality analyzer between microgrid, DC energy storage device, two way convertor, photovoltaic analog power, photovoltaic DC-to-AC converter, wind-powered electricity generation analog power is connected with the signal receiving end of central controller respectively by electric signal with the signal output part of wind electric converter, the signal output part of central controller is connected with the signal receiving end of display screen, DC energy storage device, two way convertor, photovoltaic analog power, photovoltaic DC-to-AC converter, wind-powered electricity generation analog power is also connected respectively by the signal receiving end of electric signal with Nonlinear Integer current load with the signal output part of wind electric converter.
A kind of micro-capacitance sensor simulation experiment platform of the utility model, wherein said electrical network simulator inside is provided with temperature and humidity controller.
A kind of micro-capacitance sensor simulation experiment platform of the utility model, the circuit between wherein said transformer and electrical network simulator is provided with the first isolating switch.
A kind of micro-capacitance sensor simulation experiment platform of the utility model, is provided with the first relay protector and the first electrical energy data acquiring device between wherein said DC energy storage device and two way convertor.
A kind of micro-capacitance sensor simulation experiment platform of the utility model, wherein said central controller is singlechip controller.
A kind of micro-capacitance sensor simulation experiment platform of the utility model difference from prior art is: the electric current that the utility model electrical network simulator externally exports flows into direct-current micro-grid respectively and exchanges microgrid, the first branch road, the second branch road and the 3rd branch road is parallel with between direct-current micro-grid and interchange microgrid, first branch road is provided with DC energy storage device and two way convertor, can energy storage be carried out, and the conversion between AC and DC can be carried out; Second branch road is provided with photovoltaic analog power and photovoltaic DC-to-AC converter, monitoring experiment can be carried out to photovoltaic transmission system; 3rd branch road is provided with wind-powered electricity generation analog power and wind electric converter, can carries out monitoring experiment to wind-powered electricity generation transmission system, the data obtained is accurate, can provide required data for the construction of micro-capacitance sensor.The various state sent DC energy storage device, two way convertor, photovoltaic analog power, photovoltaic DC-to-AC converter, wind-powered electricity generation analog power and wind electric converter by central controller and parameter signal are received, and externally shown by display screen, can assess the feasibility of whole simulation experiment platform, more directly perceived, data by display adjust each equipment, can control stronger.Interchange microgrid also leads to the 4th branch road, 4th branch road is provided with Nonlinear Integer current load and RLC tunable load case, for RLC tunable load case provides required electric energy after Nonlinear Integer current load carries out rectification to interchange microgrid electric current, RLC tunable load case access external circuit, for external circuit provides required electric energy.
Below in conjunction with accompanying drawing, a kind of micro-capacitance sensor simulation experiment platform of the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the anatomical connectivity figure of a kind of micro-capacitance sensor simulation experiment platform of the utility model.
Embodiment
As shown in Figure 1, for the anatomical connectivity figure of a kind of micro-capacitance sensor simulation experiment platform of the utility model, comprise electrical network simulator 3, DC energy storage device 6, two way convertor 7, Nonlinear Integer current load 31, RLC tunable load case 32, central controller 16 and display screen 17.The ac bus of electric system is connected with the current input terminal of electrical network simulator 3 after transformer 2 step-down, electrical network simulator 3 inside is provided with temperature and humidity controller, temperature and humidity controller can control the temperature and humidity of electrical network simulator 3 inside, ensure that electrical network simulator 3 carries out work under remaining at same temperature and humidity conditions, circuit between transformer 2 and electrical network simulator 3 is provided with the first isolating switch 19, electric system can be cut off at any time.The current output terminal of electrical network simulator 3 is connected by the current input terminal of wire with rectifier 33, and the current output terminal of rectifier 33 is connected with direct-current micro-grid 34.The wire of the current output terminal of electrical network simulator 3 is provided with the first power quality analyzer 5, thus the electric current parameters that the current output terminal of electrical network simulator 3 exports is monitored, exchange microgrid 35 at the first power quality analyzer 5 with the wire between rectifier 33 is drawn, be provided with the second isolating switch 20 exchanging the junction between microgrid 35 and wire.The first branch road, the second branch road and the 3rd branch road is parallel with respectively with exchanging between microgrid 35 in direct-current micro-grid 34, DC energy storage device 6 and two way convertor 7 is in series with successively with on the first branch road exchanged between microgrid 35 in direct-current micro-grid 34, be provided with the first relay protector 22 and the first electrical energy data acquiring device 21 between DC energy storage device 6 and two way convertor 7, two way convertor 7 is provided with the second power quality analyzer 23 with exchanging between microgrid 35; Photovoltaic analog power 8 and photovoltaic DC-to-AC converter 9 is in series with successively with on the second branch road exchanged between microgrid 35 in direct-current micro-grid 34, the current input terminal of photovoltaic DC-to-AC converter 9 is also connected with the current output terminal end of photovoltaic battery panel 10, the power end access controllable electric power 11 of photovoltaic battery panel 10, powered for photovoltaic battery panel 10 by controllable electric power 11, be provided with the 3rd power quality analyzer 24 at photovoltaic DC-to-AC converter 9 with exchanging between microgrid 35; Wind-powered electricity generation analog power 12 and wind electric converter 13 is in series with successively with on the 3rd branch road exchanged between microgrid 35 in direct-current micro-grid 34, the current input terminal of wind electric converter 13 is connected with the current output terminal of small-sized fan 14, the position of small-sized fan 14 is provided with controlled wind regime 15, drive small-sized fan 14 to generate electricity by controlled wind regime 15, be provided with the 4th power quality analyzer 25 at wind electric converter 13 with exchanging between microgrid 35.Interchange microgrid 35 draws the 4th branch road, 4th branch road is provided with Nonlinear Integer current load 31, the current output terminal of Nonlinear Integer current load 31 is connected with the power end of RLC tunable load case 32, at Nonlinear Integer current load 31 with exchange and be provided with the 5th power quality analyzer 26 between microgrid 35.DC energy storage device 6, two way convertor 7, photovoltaic analog power 8, photovoltaic DC-to-AC converter 9, wind-powered electricity generation analog power 12 are connected respectively by the signal receiving end of electric signal with central controller 16 with the signal output part of wind electric converter 13, the signal output part of central controller 16 is connected with the signal receiving end of display screen 17, and the various data-signals received by central controller 16 by display screen 17 are externally shown.DC energy storage device 6, two way convertor 7, photovoltaic analog power 8, photovoltaic DC-to-AC converter 9, wind-powered electricity generation analog power 12 are also connected respectively by the signal receiving end of electric signal with Nonlinear Integer current load 31 with the signal output part of wind electric converter 13, Nonlinear Integer current load 31 adjusts the electric current of self and voltage ratio according to each signal received, and rectification is carried out to interchange microgrid 35 electric current, thus for RLC tunable load case 32 self control required electric energy is provided.
The central controller 16 adopted in an embodiment of the present utility model is singlechip controller.
The course of work of the present utility model is: 10kV ac bus voltage step-down in electric system is power for electrical network simulator 3 after 400V ac bus voltage by transformer 2, the electric pressure of electrical network simulator 3 experimentally platform simulation adjusts voltage again, voltage access simulation experiment platform again after adjustment, the parameters of the electric current that the first power quality analyzer 5 pairs electrical network simulator 3 exports is monitored.The electric current part that electrical network simulator 3 exports flows into and exchanges microgrid 35, and another part flows into direct-current micro-grid 34 after rectifier 33, and the electric current flowing into direct-current micro-grid 34 flows into again the first branch road, the second branch road and the 3rd branch road respectively.The electric current flowing into the first branch road enters DC energy storage device 6 and stores, when exchanging microgrid 35 no current, electric current in DC energy storage device 6 can be monitored the parameters flowing into the electric current exchanging microgrid 35 in the first branch road by being supplied to interchange microgrid 35, second power quality analyzer 23 after two way convertor 7 inversion; When direct-current micro-grid 34 no current, the electric current exchanged in microgrid 35 also stores by being supplied to DC energy storage device 6 after two way convertor 7 rectification, and powers for direct-current micro-grid 34 where necessary.The electric current flowing into the second branch road provides electric energy for photovoltaic analog power 8, the electric current that photovoltaic analog power 8 exports is supplied to and exchanges microgrid 35 after photovoltaic DC-to-AC converter 9, when photovoltaic analog power 8 cannot provide electric current, also in interchange microgrid 35, provide electric current by photovoltaic battery panel 10, the 3rd power quality analyzer 24 can be monitored the parameters flowing into the electric current exchanging microgrid 35 in the second branch road.The electric current flowing into the 3rd branch road provides electric energy for wind-powered electricity generation analog power 12, the electric current that wind-powered electricity generation analog power 12 exports is supplied to and exchanges microgrid 35 after wind electric converter 13, when wind-powered electricity generation analog power 12 cannot provide electric current, also in interchange microgrid 35, provide electric current by small-sized fan 14, the 4th power quality analyzer 25 can be monitored the parameters flowing into the electric current exchanging microgrid 35 in the 3rd branch road.The electric current exchanged in microgrid 35 is that Nonlinear Integer current load 31 and RLC tunable load 32 are powered.When whole simulation experiment platform normally works, central controller 16 receives the various state and parameter signal that DC energy storage device 6, two way convertor 7, photovoltaic analog power 8, photovoltaic DC-to-AC converter 9, wind-powered electricity generation analog power 12 and wind electric converter 13 send, and externally shown by display screen 17, thus can assess the feasibility of whole simulation experiment platform.The state that Nonlinear Integer current load 31 sends according to DC energy storage device 6, two way convertor 6, photovoltaic analog power 8, photovoltaic DC-to-AC converter 9, wind-powered electricity generation analog power 12 and wind electric converter 13 and parameter signal adjust the electric current of self and voltage ratio, and rectification is carried out to interchange microgrid 35 electric current, thus for RLC tunable load case 32 self control required electric energy is provided, RLC tunable load case 32 accesses external circuit.
A kind of micro-capacitance sensor simulation experiment platform of the utility model, the electric current that electrical network simulator 3 externally exports flows into direct-current micro-grid 34 respectively and exchanges microgrid 35, the first branch road, the second branch road and the 3rd branch road is parallel with between direct-current micro-grid 34 and interchange microgrid 35, first branch road is provided with DC energy storage device 6 and two way convertor 7, can energy storage be carried out, and the conversion between AC and DC can be carried out; Second branch road is provided with photovoltaic analog power 8 and photovoltaic DC-to-AC converter 9, monitoring experiment can be carried out to photovoltaic transmission system; 3rd branch road is provided with wind-powered electricity generation analog power 12 and wind electric converter 13, can carries out monitoring experiment to wind-powered electricity generation transmission system, the data obtained is accurate, can provide required data for the construction of micro-capacitance sensor.The various state sent by central controller 16 pairs of DC energy storage devices 6, two way convertor 7, photovoltaic analog power 8, photovoltaic DC-to-AC converter 9, wind-powered electricity generation analog power 12 and wind electric converter 13 and parameter signal are received, and externally shown by display screen 17, can assess the feasibility of whole simulation experiment platform, more directly perceived, data by display adjust each equipment, can control stronger.Interchange microgrid 35 also leads to the 4th branch road, 4th branch road is provided with Nonlinear Integer current load 31 and RLC tunable load case 32, for RLC tunable load case 31 provides required electric energy after Nonlinear Integer current load 31 carries out rectification to interchange microgrid 35 electric current, RLC tunable load case 31 accesses external circuit, for external circuit provides required electric energy.The utility model structure is simple, regulation and control are flexible, Reality simulation, simulated data are reliable, compared with prior art has obvious advantage.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.

Claims (5)

1. a micro-capacitance sensor simulation experiment platform, it is characterized in that: comprise electrical network simulator (3), DC energy storage device (6), two way convertor (7), Nonlinear Integer current load (31), central controller (16) and display screen (17), the ac bus of electric system is connected with the current input terminal of electrical network simulator (3) by transformer (2), the current output terminal of electrical network simulator (3) is connected by the current input terminal of wire with rectifier (33), the current output terminal of rectifier (33) is connected with direct-current micro-grid (34), the wire of the current output terminal of electrical network simulator (3) is provided with the first power quality analyzer (5), wire between the first power quality analyzer (5) with rectifier (33) is drawn and exchanges microgrid (35), direct-current micro-grid (34) is parallel with the first branch road respectively with exchanging between microgrid (35), second branch road and the 3rd branch road, direct-current micro-grid (34) with the first branch road exchanged between microgrid (35) is in series with successively DC energy storage device (6) and two way convertor (7), two way convertor (7) is provided with the second power quality analyzer (23) with exchanging between microgrid (35), direct-current micro-grid (34) with the second branch road exchanged between microgrid (35) is in series with successively photovoltaic analog power (8) and photovoltaic DC-to-AC converter (9), the current input terminal of photovoltaic DC-to-AC converter (8) is also connected with the current output terminal end of photovoltaic battery panel (10), power end access controllable electric power (11) of photovoltaic battery panel (10), photovoltaic DC-to-AC converter (9) is provided with the 3rd power quality analyzer (24) with exchanging between microgrid (35), direct-current micro-grid (34) is in series with wind-powered electricity generation analog power (12) and wind electric converter (13) successively with on the 3rd branch road exchanged between microgrid (35), the current input terminal of wind electric converter (13) is connected with the current output terminal of small-sized fan (14), the position of small-sized fan (14) is provided with controlled wind regime (15), wind electric converter (13) is provided with the 4th power quality analyzer (25) with exchanging between microgrid (35), at upper extraction the 4th branch road of interchange microgrid (35), 4th branch road is provided with Nonlinear Integer current load (31), the current output terminal of Nonlinear Integer current load (31) is connected with the power end of RLC tunable load (32), at Nonlinear Integer current load (31) with exchange and be provided with the 5th power quality analyzer (26) between microgrid (35), DC energy storage device (6), two way convertor (7), photovoltaic analog power (8), photovoltaic DC-to-AC converter (9), wind-powered electricity generation analog power (12) is connected respectively by the signal receiving end of electric signal with central controller (16) with the signal output part of wind electric converter (13), the signal output part of central controller (16) is connected with the signal receiving end of display screen (17), DC energy storage device (6), two way convertor (7), photovoltaic analog power (8), photovoltaic DC-to-AC converter (9), wind-powered electricity generation analog power (12) is also connected respectively by the signal receiving end of electric signal with Nonlinear Integer current load (31) with the signal output part of wind electric converter (13).
2. a kind of micro-capacitance sensor simulation experiment platform according to claim 1, is characterized in that: described electrical network simulator (3) inside is provided with temperature and humidity controller.
3. a kind of micro-capacitance sensor simulation experiment platform according to claim 1, is characterized in that: the circuit between described transformer (2) and electrical network simulator (3) is provided with the first isolating switch (19).
4. a kind of micro-capacitance sensor simulation experiment platform according to claim 1, is characterized in that: be provided with the first relay protector (22) and the first electrical energy data acquiring device (21) between described DC energy storage device (6) and two way convertor (7).
5. a kind of micro-capacitance sensor simulation experiment platform according to claim 1, is characterized in that: described central controller (16) is singlechip controller.
CN201520538850.7U 2015-07-23 2015-07-23 Little electric wire netting simulation experiment platform Active CN204789831U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105301520A (en) * 2015-11-24 2016-02-03 北京东方计量测试研究所 Adjustable nonlinear load configuration system
CN107947150A (en) * 2017-10-23 2018-04-20 北京科诺伟业科技股份有限公司 A kind of wind-light storage micro-capacitance sensor simulation experiment platform
CN108957378A (en) * 2018-07-24 2018-12-07 阳光电源股份有限公司 It is a kind of for testing the test platform of Energy Management System
CN113608522A (en) * 2021-09-29 2021-11-05 南京研旭电气科技有限公司 Micro-grid secondary control test platform based on rapid prototype controller

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105301520A (en) * 2015-11-24 2016-02-03 北京东方计量测试研究所 Adjustable nonlinear load configuration system
CN105301520B (en) * 2015-11-24 2018-01-16 北京东方计量测试研究所 Adjustable nonlinear load configures system
CN107947150A (en) * 2017-10-23 2018-04-20 北京科诺伟业科技股份有限公司 A kind of wind-light storage micro-capacitance sensor simulation experiment platform
CN108957378A (en) * 2018-07-24 2018-12-07 阳光电源股份有限公司 It is a kind of for testing the test platform of Energy Management System
CN113608522A (en) * 2021-09-29 2021-11-05 南京研旭电气科技有限公司 Micro-grid secondary control test platform based on rapid prototype controller
CN113608522B (en) * 2021-09-29 2021-12-17 南京研旭电气科技有限公司 Micro-grid secondary control test platform based on rapid prototype controller

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