CN204030937U - A kind of high-power combining inverter and electromagnetic interface filter thereof - Google Patents
A kind of high-power combining inverter and electromagnetic interface filter thereof Download PDFInfo
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- CN204030937U CN204030937U CN201420401416.XU CN201420401416U CN204030937U CN 204030937 U CN204030937 U CN 204030937U CN 201420401416 U CN201420401416 U CN 201420401416U CN 204030937 U CN204030937 U CN 204030937U
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Abstract
The application provides a kind of high-power combining inverter and electromagnetic interface filter thereof, comprise magnet ring box and several capacitor cells, magnet ring is encapsulated in the box body of magnet ring box, and capacitor cell is independent of magnet ring box, and capacitor cell comprises some equivalent capacitys and the equivalent resistance in parallel with each equivalent capacity.Magnet ring box comprises at least one magnet ring and the box body that holds magnet ring, and box body offers endoporus, and the positive and negative busbar of direct current of high-power combining inverter or three-phase alternating current busbar are through the endoporus of box body; The positive and negative busbar of direct current of capacitor cell and described high-power combining inverter or the electrical connection of three-phase alternating current busbar.The electromagnetic interface filter of the not overall package that the application provides can adapt to various complex electromagnetic environments, easy to maintenance, reduce configuration, take up room littlely reduces costs simultaneously.
Description
Technical field
The application relates to a kind of electromagnetic interface filter, especially relates to the electromagnetic interface filter of high-power combining inverter.
Background technology
High-power combining inverter (for example, for wind power generation and photovoltaic generating system) can progressively solve energy shortage and environmental pollution.But grid-connected application can produce electromagnetic interference on the one hand, can inject a large amount of harmonic waves to electrical network on the other hand.In order to address this problem; high-power combining inverter conventionally can and exchange outlet side at direct current input side and configure electromagnetic interface filter; refer to Fig. 1; for high-power combining inverter electrical schematics; high-power combining inverter direct current is inputted between the negative DC-of positive DC+, direct current input and the DC side of DC/AC inversion module DC filter is installed, the AC of DC/AC inversion module and also between site, alternating current filter is installed.
Because alternating current-direct current filter in high-power combining inverter is larger, conventionally adopt customization, the companies such as such as Xia Funa can provide specialty special, packaged AC/DC Filters.Refer to Fig. 2 a and Fig. 2 b, be respectively traditional DC filter that a certain professional electromagnetic interface filter company provides and the outline drawing of alternating current filter.Magnet ring and safety capacitor C x, Cy are encapsulated in the metal shell of a speciality by casting glue, and metal shell, as ground, that is to say, capacitor C y is connected across between power line and metal shell.Safety capacitor C x is between phase and phase, and safety capacitor C y is for relatively.
Because the housing of filter and the cabinet of inverter are mostly metal materials, filter can pass through the cabinet reliable ground of inverter.For the high-power combining inverter of not isolating; if AC/DC filter has safety capacitor C y; the input and output of inverter may influence each other; can cause disorderly closedown, causing cannot be grid-connected, therefore; inverter producer first selects one of them ground connection (Fig. 1 is not shown) conventionally; or DC filter ground connection, or alternating current filter ground connection, as standard configuration.
Adopt the filter of packaged type, embedding is conducive to heat radiation, also effectively immobilising device, conveniently transport.But also there is following shortcoming: (1) needs larger metal shell and casting glue, and therefore cost is higher; (2) be not easy to change parts wherein, if just a resistance damages, also can only integral replacing, cost is high; (3) for isolation high-power photovoltaic DC-to-AC converter not, input and output are not isolated, and because application scenario is more, some occasion can only adopt DC filter ground connection, some occasion can only adopt alternating current filter ground connection, due to the unpredictability of on-the-spot electromagnetic environment, may there is the situation of cisco unity malfunction in inverter (having done DC filter ground connection or alternating current filter ground connection before the dispatching from the factory) scene that standard configuration is good, be inconvenient to adjust earth connection while operation; (4) packaged type filter volume is large, need to take larger installing space.
Utility model content
In view of this technical problem that, the application will solve be to provide a kind of can adapt to various complex electromagnetic environments, easy to maintenance, reduce configuration, the little electromagnetic interface filter simultaneously reducing costs takes up room.
A kind of electromagnetic interface filter that the application provides, is applied to high-power combining inverter, comprises magnet ring box and several capacitor cells, and each capacitor cell comprises some equivalent capacitys; Magnet ring box comprises at least one magnet ring and the box body that holds magnet ring, and box body offers endoporus, and the positive and negative busbar of direct current of high-power combining inverter or three-phase alternating current busbar are through the endoporus of box body; The positive and negative busbar of direct current of capacitor cell and high-power combining inverter or the electrical connection of three-phase alternating current busbar.
Further, the endoporus of box body and the endoporus of magnet ring are coaxial.
Further, box body is corresponding or identical with the shape of the endoporus of magnet ring.
Further, box body is cuboid or square.
Further, on the sidewall of box body, offer some apertures.
Further, each equivalent capacity comprises several electric capacity that electric upper serial or parallel connection or connection in series-parallel connect.
Further, equivalent capacity is parallel with equivalent resistance, and equivalent resistance comprises several resistance that electric upper serial or parallel connection or connection in series-parallel connect.
Further, for the situation that is used in high-power combining inverter DC side, magnet ring box is DC filter magnet ring box, and the positive and negative busbar of direct current of high-power combining inverter is all through the endoporus of the box body of DC filter magnet ring box; Between the negative busbar of the positive busbar of input side direct current at DC filter magnet ring box of high-power combining inverter and input side direct current, be connected at least one capacitor cell, and/or, the positive busbar of input side direct current over the ground and the negative busbar of input side direct current connect respectively at least one capacitor cell between over the ground; And/or, between the negative busbar of the positive busbar of outlet side direct current at DC filter magnet ring box of high-power combining inverter and outlet side direct current, be connected at least one capacitor cell, and/or, the positive busbar of outlet side direct current over the ground and the negative busbar of outlet side direct current connect respectively at least one capacitor cell between over the ground;
For the situation that is used in high-power combining inverter AC, magnet ring box is alternating current filter magnet ring box, and the three-phase alternating current busbar of high-power combining inverter is all through the endoporus of the box body of alternating current filter magnet ring box; The three-phase alternating current busbar that is positioned at alternating current filter magnet ring box two ends of high-power combining inverter connects respectively at least one capacitor cell, or the three-phase alternating current busbar that the three-phase alternating current busbar that is arranged in alternating current filter magnet ring box two ends of high-power combining inverter is at least positioned at one end connects at least one capacitor cell.
Further, for the situation that is used in high-power combining inverter DC side, magnet ring box is DC filter magnet ring box, and the positive and negative busbar of direct current of high-power combining inverter is all through the endoporus of the box body of DC filter magnet ring box; Between the negative busbar of the positive busbar of input side direct current at DC filter magnet ring box of high-power combining inverter and input side direct current, be connected at least one capacitor cell; The positive busbar of outlet side direct current at DC filter magnet ring box of high-power combining inverter over the ground and the negative busbar of outlet side direct current connect respectively at least one capacitor cell between over the ground;
For the situation that is used in high-power combining inverter AC, magnet ring box is alternating current filter magnet ring box, and the three-phase alternating current busbar of high-power combining inverter is all through the endoporus of the box body of alternating current filter magnet ring box; The three-phase alternating current busbar that is positioned at alternating current filter magnet ring box two ends of high-power combining inverter connects respectively at least one capacitor cell.
The application also provides a kind of high-power combining inverter, comprises above-mentioned electromagnetic interface filter.
Be applied to the packaged type electromagnetic interface filter of high-power combining inverter with respect to tradition, the electromagnetic interface filter of a kind of not overall package that the application provides, comprise magnet ring box and several capacitor cells, magnet ring is encapsulated in the box body of magnet ring box, capacitor cell is independent of magnet ring box, and capacitor cell comprises some equivalent capacitys.
Compared with prior art, the application has the following advantages: (1) adopts split-type structural, magnet ring box and capacitor cell separate packages or assembling, larger metal shell and the casting glue of conventional package formula electromagnetic interface filter are saved, reduce unnecessary configuration, both energy-conserving and environment-protective, have reduced again cost; (2) due to not embedding, all components and parts are all visible, once go wrong, more easily find the device of damage, and only need carry out maintain and replace to this damage device, do not need to change whole filter; (3), for the erecting bed with complex electromagnetic environment, be conducive to adjust wiring; (4) adopt split-type structural, small volume, magnet ring box and capacitor cell are flexible for installation, take installing space little.
Brief description of the drawings
Fig. 1 is the electrical schematics of high-power combining inverter;
Fig. 2 a is the outline drawing of traditional DC filter;
Fig. 2 b is the outline drawing of traditional alternating current filter;
Fig. 3 is the structural representation of the filter magnetic ring box that provides of the embodiment of the present application;
Fig. 4 be the embodiment of the present application provide DC filter ground connection time straight, alternating current filter equivalent electric scheme;
Fig. 5 be the embodiment of the present application provide alternating current filter ground connection time straight, alternating current filter equivalent electric scheme.
Embodiment
For the above-mentioned purpose, the feature and advantage that make the application can become apparent more, below in conjunction with accompanying drawing, the application's embodiment is described in detail.
In the prior art that compares, be applied to the conventional package formula filter of high-power combining inverter, the application provides a kind of can adapt to various complex electromagnetic environments, easy to maintenance, minimizing configures, the little electromagnetic interface filter simultaneously reducing costs takes up room.
The electromagnetic interface filter of what the embodiment of the present application provided be applied to high-power combining inverter, comprises magnet ring box and several capacitor cells; Magnet ring box comprises at least one magnet ring and the box body that holds magnet ring, and each capacitor cell comprises some equivalent capacitys.
Further, equivalent capacity can be parallel with equivalent resistance to be come for its electric discharge, and equivalent resistance comprises several resistance that electric upper serial or parallel connection or connection in series-parallel connect.
It should be noted that, according to actual needs, each capacitor cell adopts the quantity of electric capacity and resistance different, the capacitance of the equivalent capacity of each capacitor cell can be different, the resistance of the equivalent resistance of each capacitor cell can be different, according to the position of application, equivalent capacity can adopt safety capacitor C x or Cy in addition.
Compared with prior art, the application has the following advantages: (1) adopts split-type structural, magnet ring box and capacitor cell separate packages or assembling, larger metal shell and the casting glue of conventional package formula electromagnetic interface filter are saved, reduce unnecessary configuration, both energy-conserving and environment-protective, have reduced again cost; (2) due to not embedding, all components and parts are all visible, once go wrong, more easily find the device of damage, and only need carry out maintain and replace to this damage device, do not need to change whole filter; (3), for the erecting bed with complex electromagnetic environment, be conducive to adjust wiring; (4) adopt split-type structural, small volume, magnet ring box and capacitor cell are flexible for installation, take installing space little.
Refer to Fig. 3, the structural representation of the filter magnetic ring box providing for the embodiment of the present application.Magnet ring box 300 comprises box body 300a and two magnet ring 300b, and magnet ring 300b is placed in box body 300a, and the endoporus of box body 300a is coaxial with the endoporus of magnet ring 300b.
Further, the interior hole shape of box body is corresponding or identical with the interior hole shape of magnet ring.As shown in Figure 3, the endoporus of the endoporus of magnet ring 300b and box body 300a is circular.Certainly, if the endoporus of magnet ring be other shapes as ellipse, the endoporus of box body can be correspondingly circular or identical ellipse etc. with it.
Further, box body can be cuboid or square.It should be noted that, box body can be also other profiles, for example hexagon body or octagon body, and the convenience of being processed by reality determines, the application does not limit.
Further, as can be seen from Figure 3, on the sidewall of box body 300a, offer several apertures, play the effect of heat radiation.The shape of aperture can be circular oval or square, is determined by the convenience of die sinking or manufacture processing, and the application does not limit.
Please, with further reference to Fig. 3, on box body 300a, be provided with fixed installation parts 300c, be used for magnet ring box 300 fix or be assemblied in inverter cabinet.
For the situation that is used in high-power combining inverter DC side, magnet ring box is DC filter magnet ring box, the positive and negative busbar of direct current of high-power combining inverter is all through the endoporus of the box body of DC filter magnet ring box, between the negative busbar of the positive busbar of input side direct current at DC filter magnet ring box of high-power combining inverter and input side direct current, be connected at least one capacitor cell, and/or, the positive busbar of input side direct current over the ground and the negative busbar of input side direct current connect respectively at least one capacitor cell between over the ground; And/or, between the negative busbar of the positive busbar of outlet side direct current at DC filter magnet ring box of high-power combining inverter and outlet side direct current, be connected at least one capacitor cell, and/or, the positive busbar of outlet side direct current over the ground and the negative busbar of outlet side direct current connect respectively at least one capacitor cell between over the ground.
For the situation that is used in high-power combining inverter AC, magnet ring box is alternating current filter magnet ring box, and the three-phase alternating current busbar of high-power combining inverter is all through the endoporus of the box body of alternating current filter magnet ring box; The three-phase alternating current busbar that is positioned at alternating current filter magnet ring box two ends of high-power combining inverter connects respectively at least one capacitor cell, or the three-phase alternating current busbar that the three-phase alternating current busbar that is arranged in alternating current filter magnet ring box two ends of high-power combining inverter is at least positioned at one end connects at least one capacitor cell.
Below with embodiment the choosing and arranging of capacitor cell in bright DC filter and alternating current filter specifically.
Refer to Fig. 4, the equivalent electric scheme of straight when the DC filter ground connection that provides for the embodiment of the present application, alternating current filter.
DC filter 400 comprises magnet ring box 410 and three capacitor cells, is respectively the first capacitor cell 420a, the second capacitor cell 420b and the 3rd capacitor cell 420c, and three capacitor cells comprise respectively the equivalent capacity and the equivalent resistance that are connected in parallel; The electric capacity of the first capacitor cell 420a adopts safety capacitor C x, and the electric capacity of the second capacitor cell 420b and the 3rd capacitor cell 420c adopts safety capacitor C y.It should be noted that, the DC filter magnet ring box shown in Fig. 4 is the equivalent electric scheme that the positive and negative busbar of direct current of high-power combining inverter passes magnet ring box 410, and equivalent inductance is L1.
The first capacitor cell 420a is connected between the positive busbar DCin+ of input side direct current and the negative busbar DCin-of input side direct current of magnet ring box 410, the second capacitor cell 420b is connected between the negative busbar DCout-of outlet side direct current and ground of magnet ring box 410, and the 3rd capacitor cell 420c is connected between the positive busbar DCout+ of outlet side direct current and ground of magnet ring box 410.
It should be noted that, the first capacitor cell 420a, the second capacitor cell 420b, the 3rd capacitor cell 420c can be arranged on respectively separately independently on pcb board, also can be arranged on a pcb board, or, also can two be arranged on a pcb board, another is arranged on another independently on pcb board, designs according to actual needs with installing space, and the application does not limit.
Alternating current filter 500 in Fig. 4 comprises magnet ring box 510 and two capacitor cells, is respectively the 4th capacitor cell 520a, the 5th capacitor cell 520b.The 4th capacitor cell 520a comprises 4 capacitance resistance parallel branches, each capacitance resistance parallel branch comprises the equivalent capacity and the equivalent resistance that are connected in parallel, wherein the first end of three capacitance resistance parallel branches is connected with three-phase alternating current busbar L11, L12, the L13 of magnet ring box 510 inputs respectively, these three capacitance resistance parallel branches adopt safety capacitor C x, the second end of these three capacitance resistance parallel branches is connected and is connected with the first end of the 4th capacitance resistance parallel branch, and the 4th capacitance resistance parallel branch adopts safety capacitor C y.The 5th capacitor cell 520b in Fig. 4 also comprises 4 capacitance resistance parallel branches, each capacitance resistance parallel branch comprises the equivalent capacity and the equivalent resistance that are connected in parallel, wherein the first end of three capacitance resistance parallel branches respectively with the three-phase alternating current busbar L21 of magnet ring box 510 outputs, L22, L23 connects, the electric capacity of these three capacitance resistance parallel branches adopts safety capacitor C x, the second end of these three capacitance resistance parallel branches is connected and is connected with the first end of the 4th capacitance resistance parallel branch, the electric capacity of the 4th capacitance resistance parallel branch adopts safety capacitor C y.Alternating current filter magnet ring box shown in the Fig. 4 that needs to illustrate is the equivalent electric scheme that the three-phase alternating current busbar of high-power combining inverter passes magnet ring box 510, and equivalent inductance is L2.
It should be noted that, the in the situation that of DC filter ground connection, alternating current filter does not need to add over the ground safety capacitor C y, that is to say the in the situation that of DC filter ground connection, alternating current filter does not need above-mentioned the 4th capacitance resistance parallel branch, but before inverter dispatches from the factory, the 4th capacitance resistance parallel branch can be used as standard configuration, adjust earth connection to facilitate according to installing and using on-site actual situations.
It should be noted that, each capacitance resistance parallel branch of the 4th capacitor cell 520a or the 5th capacitor cell 520b can be arranged on respectively separately independently on pcb board, also can be arranged on a pcb board; Or, also can be arranged on two pcb boards, such as three capacitance resistance parallel branches are wherein arranged on a pcb board, the 4th capacitance resistance parallel branch is arranged on another independently on pcb board; Or each capacitance resistance parallel branch of the 4th capacitor cell 520a, the 5th capacitor cell 520b is arranged on a pcb board.Need to design with installing space according to actual needs, the application does not limit.
Refer to Fig. 5, provide for the embodiment of the present application alternating current filter ground connection time straight, alternating current filter equivalent electric scheme, be alternating current filter 500 ground connection with the difference shown in Fig. 4, the 4th the capacitance resistance parallel branch of the 4th capacitor cell 520a and the 5th capacitor cell 520b ground connection or just one of them ground connection nearby respectively, not shown.
It should be noted that, although in the time of alternating current filter 500 ground connection, DC filter 400 does not need the second capacitor cell 420b, the 3rd capacitor cell 420c, but before inverter dispatches from the factory, the second capacitor cell 420b, the 3rd capacitor cell 420c can be used as standard configuration, adjust earth connection to facilitate according to installing and using on-site actual situations.
It should be noted that, in Fig. 4 and Fig. 5, the second capacitor cell 420b and the 3rd capacitor cell 420c all adopt safety capacitor C y, can adopt identical capacitor cell, adopt the equivalent resistance of equivalent capacity and the similar resistance of identical capacitance.In reality, the second capacitor cell 420b and the 3rd capacitor cell 420c also can adopt the equivalent resistance of equivalent capacity and/or the different resistances of different capacitances; In Fig. 4 and Fig. 5, provide the 4th capacitor cell 520a and the 5th capacitor cell 520b can adopt identical capacitor cell, adopt the equivalent resistance of identical capacitance equivalent capacity and similar resistance to form capacitor cell.In reality, the 4th capacitor cell 520a and the 5th capacitor cell 520b also can adopt the equivalent resistance of equivalent capacity and/or the different resistances of different capacitances.
It should be noted that, equivalent capacity in the embodiment of the present application comprises several electric capacity that electric upper serial or parallel connection or connection in series-parallel connect, equivalent resistance comprises several resistance that electric upper serial or parallel connection or connection in series-parallel connect, to improve the withstand voltage of electric capacity and resistance and to change its capacity, not limited by the number of the electric capacity shown in Fig. 4 and Fig. 5 and resistance.The number of the capacitor cell that DC filter and alternating current filter adopt is not subject to the restriction shown in Fig. 4 and Fig. 5 yet, but the EMI of inverter is required to determine during according to practical application.
Please, with further reference to Fig. 4 and Fig. 5, the embodiment of the present application also provides a kind of high-power combining inverter, comprises DC filter and alternating current filter in DC/AC inversion module and above-described embodiment.
Be applied to the packaged type electromagnetic interface filter of high-power combining inverter with respect to tradition, the electromagnetic interface filter of a kind of not overall package that the application provides, comprise magnet ring box and several capacitor cells, magnet ring is encapsulated in the box body of magnet ring box, capacitor cell is independent of magnet ring box, and capacitor cell comprises some equivalent capacitys and the equivalent resistance in parallel with each equivalent capacity.
Compared with prior art, the application has the following advantages: (1) adopts split-type structural, magnet ring box and capacitor cell separate packages or assembling, larger metal shell and the casting glue of conventional package formula electromagnetic interface filter are saved, reduce unnecessary configuration, both energy-conserving and environment-protective, have reduced again cost; (2) due to not embedding, all components and parts are all visible, once go wrong, more easily find the device of damage, and only need carry out maintain and replace to this damage device, do not need to change whole filter; (3), for the erecting bed with complex electromagnetic environment, be conducive to adjust wiring; (4) adopt split-type structural, small volume, magnet ring box and capacitor cell are flexible for installation, take installing space little.
The above, be only the application's preferred embodiment, not the application done to any pro forma restriction.Although this application has discloses as above with preferred embodiment, but not in order to limit the application.Any those of ordinary skill in the art, do not departing from present techniques scheme scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to present techniques scheme, or be revised as the equivalent embodiment of equivalent variations.It should be noted that, the input described in the embodiment of the present application, output do not represent current direction, only consideration for convenience of description.Therefore, every content that does not depart from present techniques scheme,, all still belongs in the scope of present techniques scheme protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the application's technical spirit.
Claims (10)
1. an electromagnetic interface filter, is applied to high-power combining inverter, it is characterized in that,
Comprise magnet ring box and several capacitor cells, each described capacitor cell comprises some equivalent capacitys;
Described magnet ring box comprises at least one magnet ring and the box body that holds described magnet ring, and described box body offers endoporus, and the positive and negative busbar of direct current of described high-power combining inverter or three-phase alternating current busbar are through the endoporus of described box body;
The positive and negative busbar of direct current of described capacitor cell and described high-power combining inverter or the electrical connection of three-phase alternating current busbar.
2. electromagnetic interface filter according to claim 1, is characterized in that, the endoporus of described box body is coaxial with the endoporus of described magnet ring.
3. electromagnetic interface filter according to claim 2, is characterized in that, described box body is corresponding or identical with the shape of the endoporus of described magnet ring.
4. electromagnetic interface filter according to claim 1, is characterized in that, described box body is cuboid or square.
5. electromagnetic interface filter according to claim 1, is characterized in that, offers some apertures on the sidewall of described box body.
6. electromagnetic interface filter according to claim 1, is characterized in that, each described equivalent capacity comprises several electric capacity that electric upper serial or parallel connection or connection in series-parallel connect.
7. electromagnetic interface filter according to claim 1, is characterized in that, described equivalent capacity is parallel with equivalent resistance, and described equivalent resistance comprises several resistance that electric upper serial or parallel connection or connection in series-parallel connect.
8. according to the electromagnetic interface filter described in claim 1 to 7 any one, it is characterized in that,
For the situation that is used in described high-power combining inverter DC side, described magnet ring box is DC filter magnet ring box, and the positive and negative busbar of direct current of described high-power combining inverter is all through the endoporus of the box body of described DC filter magnet ring box; Between the negative busbar of the positive busbar of input side direct current at described DC filter magnet ring box of described high-power combining inverter and input side direct current, be connected capacitor cell described at least one, and/or, the positive busbar of input side direct current over the ground and the negative busbar of input side direct current connect respectively capacitor cell described at least one between over the ground; And/or, between the negative busbar of the positive busbar of outlet side direct current at described DC filter magnet ring box of described high-power combining inverter and outlet side direct current, be connected capacitor cell described at least one, and/or, the positive busbar of outlet side direct current over the ground and the negative busbar of outlet side direct current connect respectively capacitor cell described at least one between over the ground;
For the situation that is used in described high-power combining inverter AC, described magnet ring box is alternating current filter magnet ring box, and the three-phase alternating current busbar of described high-power combining inverter is all through the endoporus of the box body of described alternating current filter magnet ring box; The three-phase alternating current busbar that is positioned at described alternating current filter magnet ring box two ends of described high-power combining inverter connects respectively capacitor cell described at least one, or the three-phase alternating current busbar that the three-phase alternating current busbar that is arranged in described alternating current filter magnet ring box two ends of described high-power combining inverter is at least positioned at one end connects capacitor cell described at least one.
9. electromagnetic interface filter according to claim 8, is characterized in that,
For the situation that is used in described high-power combining inverter DC side, described magnet ring box is DC filter magnet ring box, and the positive and negative busbar of direct current of described high-power combining inverter is all through the endoporus of the box body of described DC filter magnet ring box; Between the negative busbar of the positive busbar of input side direct current at described DC filter magnet ring box of described high-power combining inverter and input side direct current, be connected capacitor cell described at least one; The positive busbar of outlet side direct current at described DC filter magnet ring box of described high-power combining inverter over the ground and the negative busbar of outlet side direct current connect respectively capacitor cell described at least one between over the ground;
For the situation that is used in described high-power combining inverter AC, described magnet ring box is alternating current filter magnet ring box, and the three-phase alternating current busbar of described high-power combining inverter is all through the endoporus of the box body of described alternating current filter magnet ring box; The three-phase alternating current busbar that is positioned at described alternating current filter magnet ring box two ends of described high-power combining inverter connects respectively capacitor cell described at least one.
10. a high-power combining inverter, comprises the electromagnetic interface filter described in any one in claim 1 to 9.
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| CN201420401416.XU CN204030937U (en) | 2014-07-19 | 2014-07-19 | A kind of high-power combining inverter and electromagnetic interface filter thereof |
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| CN201420401416.XU CN204030937U (en) | 2014-07-19 | 2014-07-19 | A kind of high-power combining inverter and electromagnetic interface filter thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9974201B1 (en) | 2016-10-28 | 2018-05-15 | General Electric Company | High power feedthrough for use with a high frequency power converter |
| CN108196205A (en) * | 2017-12-19 | 2018-06-22 | 湖南大学 | The fault detection circuit of neutral-point-clamped type power supply and failure modes detection method |
| CN108809065A (en) * | 2017-05-03 | 2018-11-13 | 法雷奥西门子新能源汽车(德国)有限公司 | Transverter |
| CN109067168A (en) * | 2018-08-24 | 2018-12-21 | 中车南京浦镇车辆有限公司 | A method of reducing rail vehicle subordinate inverter EMC electromagnetic interference |
| CN111446902A (en) * | 2020-04-30 | 2020-07-24 | 西安电子科技大学 | AC-DC coupling integrated EMI filter for motor driving system |
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2014
- 2014-07-19 CN CN201420401416.XU patent/CN204030937U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9974201B1 (en) | 2016-10-28 | 2018-05-15 | General Electric Company | High power feedthrough for use with a high frequency power converter |
| CN108809065A (en) * | 2017-05-03 | 2018-11-13 | 法雷奥西门子新能源汽车(德国)有限公司 | Transverter |
| US11025045B2 (en) * | 2017-05-03 | 2021-06-01 | Valeo Siemens Eautomotive Germany Gmbh | Inverter with internal/external ferromagnetic cores |
| CN108809065B (en) * | 2017-05-03 | 2023-08-08 | 法雷奥西门子新能源汽车(德国)有限公司 | Inverter |
| CN108196205A (en) * | 2017-12-19 | 2018-06-22 | 湖南大学 | The fault detection circuit of neutral-point-clamped type power supply and failure modes detection method |
| CN109067168A (en) * | 2018-08-24 | 2018-12-21 | 中车南京浦镇车辆有限公司 | A method of reducing rail vehicle subordinate inverter EMC electromagnetic interference |
| CN111446902A (en) * | 2020-04-30 | 2020-07-24 | 西安电子科技大学 | AC-DC coupling integrated EMI filter for motor driving system |
| CN111446902B (en) * | 2020-04-30 | 2022-09-06 | 西安电子科技大学 | AC-DC coupling integrated EMI filter for motor driving system |
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