CN203164394U - Inverter aging test platform of small wind or solar generator - Google Patents
Inverter aging test platform of small wind or solar generator Download PDFInfo
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- CN203164394U CN203164394U CN 201320180293 CN201320180293U CN203164394U CN 203164394 U CN203164394 U CN 203164394U CN 201320180293 CN201320180293 CN 201320180293 CN 201320180293 U CN201320180293 U CN 201320180293U CN 203164394 U CN203164394 U CN 203164394U
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Abstract
The utility model relates to an inverter aging test platform of a small wind or solar generator. The inverter aging test platform is used for carrying out aging test on an inverter of a small wind or solar generator. The inverter aging test platform at least comprises an aging test system which is composed of a step-down module of a step-down transformer, a current processing module and a test platform, wherein the step-down module is connected with a three-phase power grid to reduce voltage of three-phase power, the current processing module is connected with the step-down module and is used for simulating current into output of a solar or wind generator, and the test platform includes at least three tested inverters, is connected with the current processing module and is converted into a three-phase power grid through the tested inverters to output three-phase power to a commercial power grid. With the inverter aging test platform, aging test can be carried out on an inverter in an energy-saving and high-efficiency way.
Description
Technical field
The utility model relates to a kind of test platform, relates in particular to the inverter burn-in test platform of a kind of small-sized wind energy or solar generator.
Background technology
Consider sustainable development and the environmental pressure of human future source of energy, many countries have all formulated the plan of greatly developing the new forms of energy industry in the world.And in fact, the production run of a lot of new forms of energy equipment itself is exactly highly energy-consuming, dangerous, inefficient, how to make the new forms of energy industry development be efficient, continuable be all relevant enterprises and practitioner's corporation responsibility.Inverter is as the nucleus equipment of wind energy, solar electrical energy generation, and its production, test also face same problem.
Because wind energy or solar generator are output as direct current, and the effect of inverter to be direct current with this wind energy or solar generator output change into can be to the electric energy of three phase network output.Burn-in test to inverter is a procedure necessary in the production run.Yet, in the prior art, the inverter of wind energy or the solar generator especially burn-in test of the inverter of wind energy or solar generator is often directly taked dc-battery input, and the output terminal by inverter directly connects highly energy-consuming loads such as load such as resistance and tests for a long time.So, in burn-in test, the input of inverter all increases a large amount of invisible electric energy losses with output, does not meet the theory of modern energy-conserving and environment-protective.
In view of this, be necessary to provide the inverter aging testing system of bottom line energy resource consumption in a kind of production run.
Summary of the invention
The purpose of this utility model is to provide the inverter burn-in test platform of a kind of small-sized wind energy or solar generator, to reduce energy resource consumption.
The utility model purpose is achieved through the following technical solutions: the inverter burn-in test platform of a kind of small-sized wind energy or solar generator, be used for the inverter of sun power or wind-driven generator is carried out burn-in test, at least the aging testing system that comprises pull-down module, current processing module and the test platform formation of reducing transformer, wherein, described pull-down module is connected with three phase network, with the three-phase electricity step-down; Described current processing module connects described pull-down module, in order to being the output of sun power or wind-driven generator with current analog; Described test platform comprises at least three tested inverters, and this test platform connects described current processing module, and by converting three phase network behind the tested inverter to city's net output three-phase electricity.
On the such scheme basis, described pull-down module is to play the transformer of step-down and buffer action, be connected with described current processing module with three-phase city net respectively, described current processing module is made of rectifier bridge and current-limiting resistance, and the direct current that will meet tested inverter is delivered to described test platform.
On the such scheme basis, when the quantity of described tested inverter was three, the phase place of three tested inverters on test platform be 120 ° of mutual deviations successively, and the aging testing system of each inverter is independent.
On the such scheme basis, described aging testing system comprises three separate group systems, each group system comprises described pull-down module, a current processing module and a test platform, the pull-down module of each group system connects three-phase city net respectively, the phase place of the electric current of each group system output is 120 ° of mutual deviations successively, and the quantity of the tested inverter of the test platform of described each group system is three, and the phase place of three tested inverters of the test platform of same group system is identical.
On the such scheme basis, the current-limiting resistance with in the current processing module that loads tested inverter on the described test platform is connected.
The utility model inverter aging testing system is by being modeled as three-phase city net the output of sun power or wind-driven generator, and with the electric current that tests out and the net that enters the market, and realizes that inverter is energy-conservation, carry out burn-in test efficiently.
With the following Examples the utility model is further described.
Description of drawings
Fig. 1 is the connection block diagram of the inverter aging testing system of the utility model first embodiment;
Fig. 2 is the concrete connection diagram of the inverter aging testing system that discloses among Fig. 1;
Fig. 3 is the concrete connection diagram of the inverter aging testing system of second embodiment of the present utility model;
Label declaration among Fig. 1 and Fig. 2:
100---the inverter aging testing system;
30---pull-down module; 31,32,33---transformer;
40---the current processing module;
41,42,43---rectifier bridge; 45,46,47---current-limiting resistance;
50---test platform;
51,52,53---tested inverter;
Label declaration among Fig. 3:
200---the inverter aging testing system of three groups of test boards;
200A, 200B, 200C---A, B, the sub-test macro of C;
The A subsystem:
230A---pull-down module; 240A---current processing module; 250A---test platform;
The B subsystem:
230B---pull-down module; 240B---current processing module; 250B---test platform;
The C subsystem:
230C---pull-down module; 240C---current processing module; 250C---test platform;
251A, 252A, 253A, 251B, 252B, 253B, 251C, 252C, 253C---tested inverter.
Embodiment
As shown in Figure 1, the inverter burn-in test platform of a kind of small-sized wind energy or solar generator, be used for the inverter of sun power or wind-driven generator is carried out burn-in test, comprise the inverter aging testing system 100 that pull-down module 30, current processing module 40 and test platform 50 constitute, wherein:
Described pull-down module 30 is connected with three phase network, with the three-phase electricity step-down; Described current processing module 40 connects described pull-down module 30, in order to being the output of sun power or wind-driven generator with current analog; Described test platform 50 comprises three tested inverters 51,52,53, and this test platform 50 connects described current processing module 40, and by converting three phase network behind the tested inverter 51,52,53 to city's net output three-phase electricity.
Inverter aging testing system 100 of the present utility model is used for the three phase network step-down rectifier for being fit to the analog power of tested inverter, by converting three phase network to behind the tested inverter, being adjusted into required three phase network again transfers out, thereby effective use of energy sources, save electric energy, reduce cost.
This inverter aging testing system 100 comprises a pull-down module 30, a current processing module 40, a test platform 50, this pull-down module 30 and three-phase city net is connected with the three-phase electricity step-down, described current processing module 40 connects these pull-down module 30 being the DC current of the output of sun power or wind-driven generator with the current analog after the step-down, described test platform 50 comprises tested inverter, and this test platform 50 connects the three-phase electricity of this current processing module 40 and output to be used as city's net.
Particularly, see also Fig. 2, described pull-down module 30 comprises three transformers (TRANS) 31,32,33, and these three transformers 31,32,33 three-phase mains that is connected in parallel respectively is that required voltage is to mate tested inverter with the three-phase mains step-down with 380V.Described transformer 31,32,33 is used for step-down and isolation, has avoided influencing each other between city's net and test platform, each inverter to be measured, guarantees the safe handling of test platform.
Described current processing module 40 comprises and connects transformer 31,32,33 rectifier bridge (Bridge) 41,42,43 respectively and connect rectifier bridge 41,42,43 current-limiting resistance 45,46,47 respectively, so that each transformer 31,32,33 output current are regulated the direct current that is modeled as the tested required size of inverter.Described current- limiting resistance 45,46,47 have played the effects of cutting down the peak voltage of test platform, guarantee the safety of inverter to be measured.
Described test platform 50 is used for loading tested inverter (INVERTER) 51,52,53.Each inverter 51,52,53 is the corresponding current-limiting resistance 45,46,47 that connects current processing module 40 respectively.In the present embodiment, described inverter 51,52,53 is output as three-phase alternating current, the output terminal that is inverter 51 is that the output terminal of phase place, the inverter 52 of A end is that the output terminal of the phase place of B end, inverter 53 is phase place 120 ° of the mutual deviations successively of C end output, use thereby make the output that meets inverter aging testing system 100 can insert three-phase city net, reduce the loss of electric energy widely.Each inverter 51,52,53 input and output also are provided with switch (figure is mark).
Seeing also Fig. 3, is the inverter aging testing system 200 of three groups of test boards.This inverter aging testing system 200 comprises three sub-test macro 200A, 200B, 200C.Each sub-test macro is similar to the inverter aging testing system 100 among first embodiment among A, B, the sub-test macro 200A of C, 200B, the 200C, and its neutron test macro 200A comprises pull-down module 230A, a current processing module 240A, reaches a test platform 250A; Sub-test macro 200B comprises pull-down module 230B, a current processing module 240B, reaches a test platform 250B; Sub-test macro 200C comprises pull-down module 230C, a current processing module 240C, reaches a test platform 250C.Be with inverter aging testing system 100 differences among first embodiment, each sub-test macro 200A, 200B, 200C are output as the phase place unidirectional electrical of 120 ° of mutual deviations successively, and sub-test macro 200A, 200B, 200C form a three-phase electricity that can pass back into three-phase city net jointly.
Particularly, the phase place of three inverter 251A, 252A among the test platform 250A of sub-exactly test macro 200A correspondence, the output of 253A arranges and is all the A phase place mutually, the phase place of three inverter 251B, 252B among the test platform 250B of sub-test macro 200B correspondence, the output of 253B arranges and is all the B phase place mutually, the phase place of three inverter 251C, 252C among the test platform 250A of sub-test macro 200C correspondence, the output of 253C arranges and is all the C phase place mutually, and A phase place, B phase place, C phase place be 120 ° of mutual deviations successively.
By the design of three sub-test macro 200A, 200B, 200C, effectively reduce the load of test, keep the current balance type of net that enters the market that refluxes, and realized the concurrent testing of the inverter to be measured of 3*N platform, greatly improved testing efficiency.
In sum, the utility model inverter aging testing system is by being modeled as three-phase city net the output into sun power or wind-driven generator, and with the electric current that tests out and the net that enters the market, realizes that electric energy obtains recycling.Test in practical application, when the novel inverter aging testing system 100 of this use, 200 power input during for 2500W, the output power of returning city's net can reach 2130W, and cycle efficieny has reached more than 85%; Add that inverter aging testing system 100,200 can realize the parallel of 60 2-10KW inverters, the test inverter is energy-conservation, carry out burn-in test efficiently.
Above embodiment only is used for the explanation the technical solution of the utility model but not to the restriction of the utility model protection domain; although with reference to preferred embodiment the utility model has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (5)
1. the inverter burn-in test platform of a small-sized wind energy or solar generator, be used for the inverter of sun power or wind-driven generator is carried out burn-in test, at least the aging testing system that comprises pull-down module, current processing module and the test platform formation of reducing transformer, it is characterized in that, described pull-down module is connected with three phase network, with the three-phase electricity step-down; Described current processing module connects described pull-down module, in order to being the output of sun power or wind-driven generator with current analog; Described test platform comprises at least three tested inverters, and this test platform connects described current processing module, and by converting three phase network behind the tested inverter to city's net output three-phase electricity.
2. the inverter burn-in test platform of small-sized wind energy according to claim 1 or solar generator, it is characterized in that: described pull-down module is to play the transformer of step-down and buffer action, be connected with described current processing module with three-phase city net respectively, described current processing module is made of rectifier bridge and current-limiting resistance, and the direct current that will meet tested inverter is delivered to described test platform.
3. the inverter burn-in test platform of small-sized wind energy according to claim 1 and 2 or solar generator, it is characterized in that: when the quantity of described tested inverter is three, the phase place of three tested inverters on test platform be 120 ° of mutual deviations successively, and the aging testing system of each inverter is independent.
4. the inverter burn-in test platform of small-sized wind energy according to claim 1 and 2 or solar generator, it is characterized in that: described aging testing system comprises three separate group systems, each group system comprises described pull-down module, one current processing module and a test platform, the pull-down module of each group system connects three-phase city net respectively, the phase place of the electric current of each group system output is 120 ° of mutual deviations successively, and the quantity of the tested inverter of the test platform of described each group system is three, and the phase place of three tested inverters of the test platform of same group system is identical.
5. the inverter burn-in test platform of small-sized wind energy according to claim 2 or solar generator is characterized in that: the current-limiting resistance with in the current processing module that loads tested inverter on the described test platform is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180293 CN203164394U (en) | 2013-04-11 | 2013-04-11 | Inverter aging test platform of small wind or solar generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320180293 CN203164394U (en) | 2013-04-11 | 2013-04-11 | Inverter aging test platform of small wind or solar generator |
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| CN203164394U true CN203164394U (en) | 2013-08-28 |
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| CN 201320180293 Expired - Lifetime CN203164394U (en) | 2013-04-11 | 2013-04-11 | Inverter aging test platform of small wind or solar generator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066435A (en) * | 2016-06-22 | 2016-11-02 | 广东百事泰电子商务股份有限公司 | Photovoltaic DC-to-AC converter aging testing system |
| CN109444584A (en) * | 2018-11-09 | 2019-03-08 | 广州市微龙电子科技有限公司 | A kind of burn in test circuit of charging gun, device and method |
| CN110726949A (en) * | 2019-10-30 | 2020-01-24 | 上能电气股份有限公司 | Aging test circuit and method for string type photovoltaic inverter |
| CN112814937A (en) * | 2019-11-15 | 2021-05-18 | 神讯电脑(昆山)有限公司 | Fan aging testing device |
-
2013
- 2013-04-11 CN CN 201320180293 patent/CN203164394U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066435A (en) * | 2016-06-22 | 2016-11-02 | 广东百事泰电子商务股份有限公司 | Photovoltaic DC-to-AC converter aging testing system |
| CN109444584A (en) * | 2018-11-09 | 2019-03-08 | 广州市微龙电子科技有限公司 | A kind of burn in test circuit of charging gun, device and method |
| CN110726949A (en) * | 2019-10-30 | 2020-01-24 | 上能电气股份有限公司 | Aging test circuit and method for string type photovoltaic inverter |
| CN110726949B (en) * | 2019-10-30 | 2022-10-11 | 上能电气股份有限公司 | Aging test circuit and method for string type photovoltaic inverter |
| CN112814937A (en) * | 2019-11-15 | 2021-05-18 | 神讯电脑(昆山)有限公司 | Fan aging testing device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315700, No. 57, golden access road, Binhai Industrial Park, Xiangshan County, Ningbo, Zhejiang Patentee after: NINGBO GINLONG NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 315700, No. 57, golden access road, Binhai Industrial Park, Xiangshan County, Ningbo, Zhejiang Patentee before: Ningbo Ginlong Technologies Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 315700, No. 57, golden access road, Binhai Industrial Park, Xiangshan County, Ningbo, Zhejiang Patentee after: Jinlang Technology Co.,Ltd. Address before: No. 57, Jintong Road, Binhai Industrial Park, Xiangshan County, Ningbo City, Zhejiang Province, 315700 Patentee before: NINGBO GINLONG NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
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| CX01 | Expiry of patent term |