CN102983002A - An assembling capacitor, a multilevel inverter and applications of the assembling capacitor - Google Patents
An assembling capacitor, a multilevel inverter and applications of the assembling capacitor Download PDFInfo
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- CN102983002A CN102983002A CN2011102598586A CN201110259858A CN102983002A CN 102983002 A CN102983002 A CN 102983002A CN 2011102598586 A CN2011102598586 A CN 2011102598586A CN 201110259858 A CN201110259858 A CN 201110259858A CN 102983002 A CN102983002 A CN 102983002A
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Abstract
The invention particularly relates to an assembling capacitor, an inverter including the assembling capacitor and applications of the assembling capacitor in the inverter. The assembling capacitor includes a container; a plurality of capacitors are arranged in the container; the plurality of capacitors are connected in series, in parallel, or in a series and parallel hybrid manner; and in both terminals of the assembling capacitor composed in the above-described manner, and a common terminal of partial capacitors, at least a first pin is led out outwardly from each terminal point. The connection among the individual capacitors is completed inside the container, and only the connection of the first pin of a capacitor and a terminal is needed during wiring; the wiring is simple, and the installation is easy; for two capacitors which are connected to a common terminal, the connection of two capacitors with the terminal can be achieved via the first pin of the common terminal, reducing the number of terminals, and further reducing the area occupied.
Description
Technical field
The present invention relates to a kind of capacitor, be specifically related to a kind of integrated capacitor, comprise inverter and the application of integrated capacitor in inverter of this integrated capacitor.
Background technology
Electric capacity has the effects such as energy storage and filtering, in electrical technology field, have a wide range of applications, often a plurality of capacitances in series or mode in parallel or that mix with series and parallel connections need to be connected in the application, then the end points of some of them electric capacity again be connected components and parts and connect.When making circuit board, usually respectively each electric capacity is linked to each other with binding post, as shown in Figure 1, the quantity of this method binding post is many, and area occupied is large; After perhaps electric capacity being connected, its common port is linked to each other with binding post with non-common port, as shown in Figure 2, this method wiring is complicated again, and installation difficulty is large.
For example, in field of solar thermal power generation, multi-electrical level inverter obviously is better than traditional two-level inverter on volume, cost and harmonic characterisitic.As shown in figure 11, be the circuit diagram of three-level inverter.When two capacitances in series are done Dclink electric capacity, two end points of series capacitance need to be connect respectively the positive bus-bar terminal of dc bus and positive bus-bar terminal and the negative busbar terminal of negative busbar terminal and switching tube, the bus midpoint potential terminal of the public termination switching tube of two electric capacity.Must connect Dclink electric capacity with the pressing busbar of customization during wiring, because common cylindric capacitor size is large, so area occupied is large; And electric capacity to expose terminal too much, the environmental protection ability, the installation and maintenance workload is large.
When two capacitances in series are done Absorption Capacitance, the end points at series capacitance two ends need to be connect positive bus-bar terminal and the negative busbar terminal of switching tube, the bus midpoint potential terminal of the public termination switching tube of two electric capacity.During wiring, common Absorption Capacitance can't normal mounting, needs to use the electric capacity of customization pin, perhaps a foot pad of Absorption Capacitance is got up to use, also must be the aspectant installation of electric capacity, and area occupied is large.
Summary of the invention
The purpose of this invention is to provide that a kind of area occupied is little, wiring is simple, easy-to-install integrated capacitor, the inverter that comprises this integrated capacitor and the application of integrated capacitor in inverter.
For achieving the above object, the invention provides a kind of integrated capacitor, described integrated capacitor comprises a container, be equiped with a plurality of electric capacity in the described container, described a plurality of electric capacity connects in the mode of series connection or parallel connection or series and parallel connections mixing, in the two ends of the aggregation type electric capacity that forms in the above described manner and the common port of partition capacitance, each end points is outwards drawn at least one first pin.
As shown from the above technical solution, the internal tank that is connected between each electric capacity is finished, only the first pin of capacitor need be connected with binding post during wiring and get final product, wiring is simple, be easy to install, two electric capacity is connected with common port, just can realize being connected of two electric capacity and binding post by the first pin of common port, can reduce the quantity of binding post, further reduce area occupied.
The present invention also provides a kind of inverter A, described inverter A comprises the power switch module, described power switch module links to each other with direct voltage, this inverter A also comprises integrated capacitor of the present invention, described integrated capacitor comprises a container, be equiped with a plurality of electric capacity in the described container, described a plurality of electric capacity are with a kind of connection setting in the following dual mode:
Described a plurality of electric capacity connects in the mode of series connection, and in the common port of the two ends of described series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin.
Described a plurality of electric capacity connects in the mode that series and parallel connections mixes, wherein partition capacitance connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin, the Capacitance parallel connection that this series capacitance and another part electric capacity form.
The parameter of each electric capacity is identical in the above-mentioned series capacitance.
The first pin of described integrated capacitor is received on the power pin of power switch module, Absorption Capacitance as the power switch module, if N level of described inverter A output, direct voltage positive and negative electrode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin, this on power pin of partly or entirely receiving the power switch module of N the first pin, is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
Adopt above-mentioned integrated capacitor as the Absorption Capacitance of inverter, be easy to install, area occupied is little.
The present invention also provides a kind of inverter B, described inverter B comprises the power switch module, described power switch module links to each other with direct voltage, described inverter B also comprises integrated capacitor of the present invention, described integrated capacitor comprises a container, be equiped with a plurality of electric capacity in the described container, described a plurality of electric capacity are with a kind of connection setting in the following dual mode:
Described a plurality of electric capacity connects in the mode of series connection, and in the common port of the two ends of described series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin.At least one second pin is also outwards drawn at the two ends of described series capacitance separately.
Described a plurality of electric capacity connects in the mode that series and parallel connections mixes, wherein partition capacitance connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin, the Capacitance parallel connection that this series capacitance and another part electric capacity form, at least one second pin is also outwards drawn at the two ends of described series capacitance separately.
The parameter of each electric capacity is identical in the above-mentioned series capacitance.
The second pin of described integrated capacitor links to each other with the positive and negative electrode of direct voltage respectively, the first pin of described integrated capacitor is received on the power pin of power switch module, if N level of described inverter output, direct voltage positive and negative electrode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin, this is partly or entirely receiving respectively on the power pin of power switch module of N the first pin at least, is respectively following electrical voltage point:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
Adopt above-mentioned integrated capacitor as the Dclink electric capacity of inverter, easy-to-connect, area occupied is little, and capacitor terminal all is positioned at container, and the environmental protection ability is good, is easy to installation and maintenance.
The present invention also provides the application of integrated capacitor of the present invention in inverter, wherein said inverter comprises the power switch module, described power switch module links to each other with direct voltage, integrated capacitor comprises a container, be equiped with a plurality of electric capacity in the described container, described a plurality of electric capacity are with a kind of connection setting in the following dual mode:
Described a plurality of electric capacity connects in the mode of series connection, and in the common port of the two ends of described series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin.
Described a plurality of electric capacity connects in the mode that series and parallel connections mixes, wherein partition capacitance connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin, the Capacitance parallel connection that this series capacitance and another part electric capacity form.
The parameter of each electric capacity is identical in the above-mentioned series capacitance.
The first pin of described integrated capacitor is received on the power pin of power switch module, Absorption Capacitance as the power switch module, if N level of described inverter output, direct voltage positive and negative electrode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin, this on power pin of partly or entirely receiving the power switch module of N the first pin, is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
The present invention also provides the Another Application of integrated capacitor of the present invention in inverter, wherein said inverter comprises the power switch module, described power switch module links to each other with direct voltage, described inverter also comprises integrated capacitor of the present invention, described integrated capacitor comprises a container, be equiped with a plurality of electric capacity in the described container, described a plurality of electric capacity are with a kind of connection setting in the following dual mode:
Described a plurality of electric capacity connects in the mode of series connection, and in the common port of the two ends of described series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin.At least one second pin is also outwards drawn at the two ends of described series capacitance separately.
Described a plurality of electric capacity connects in the mode that series and parallel connections mixes, wherein partition capacitance connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin, the Capacitance parallel connection that this series capacitance and another part electric capacity form, at least one second pin is also outwards drawn at the two ends of described series capacitance separately.
The parameter of each electric capacity is identical in the above-mentioned series capacitance.
The second pin of described integrated capacitor links to each other with the positive and negative electrode of direct voltage respectively, the first pin of described integrated capacitor is received on the power pin of power switch module, if N level of described inverter output, direct voltage positive and negative electrode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin, this on power pin of partly or entirely receiving the power switch module of N the first pin, is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
Description of drawings
Fig. 1 is the wiring schematic diagram of electric capacity in the prior art;
Fig. 2 is the wiring schematic diagram of electric capacity in the prior art;
Fig. 3 is the wiring schematic diagram of one embodiment of the invention;
Fig. 4 is the wiring schematic diagram of one embodiment of the invention;
Fig. 5 is the wiring schematic diagram of one embodiment of the invention;
Fig. 6 is the wiring schematic diagram of one embodiment of the invention;
Fig. 7 is the wiring schematic diagram of one embodiment of the invention;
Fig. 8 is the wiring schematic diagram of one embodiment of the invention;
Fig. 9 is the circuit diagram of an embodiment of inverter of the present invention;
Figure 10 is the circuit diagram of an embodiment of inverter of the present invention;
Figure 11 is the circuit diagram of an embodiment of inverter of the present invention;
Figure 12 is the application circuit of one embodiment of the invention.
Embodiment
Shown in Fig. 3,4,5,6,7, the present invention includes a container 1, be equiped with a plurality of electric capacity 2 in the described container 1, described a plurality of electric capacity 2 connects in the mode of series connection or parallel connection or series and parallel connections mixing, in the two ends of the aggregation type electric capacity that forms in the above described manner and the common port of partition capacitance 2, each end points is outwards drawn at least one first pin 3.
Described electric capacity 2 can connect in the mode of series connection, shown in Fig. 3,4,6, described electric capacity 2 can also connect in parallel, and described electric capacity 2 also can connect with the series hybrid mode of being connected with in parallel, shown in Fig. 5,7, this depends primarily on the needs of electric capacity place system.In the common port of the two ends of described aggregation type electric capacity and partition capacitance 2, each end points is outwards drawn at least one first pin 3, and which end points need to outwards be drawn the first pin 3, also depends primarily on the connection needs of system.For example shown in Figure 3, the two ends of series capacitance all will link to each other with other components and parts with its common port, then all draw the first pin 3 from two ends and its common port of series capacitance.Also such as Fig. 5, only the node between adjacent two electric capacity is outwards drawn the first pin 3 from two end points of series capacitance and series capacitance.And the internal tank that is connected between each electric capacity 2 is finished, only need the first pin 3 with capacitor to be connected with binding post during wiring and get final product, wiring simply, be easy to installation.Two electric capacity is connected with common port, just can realize being connected of two electric capacity and binding post by the first pin of common port, can reduce the quantity of binding post, further reduces area occupied.
Further, shown in Fig. 3,4, described a plurality of electric capacity 2 connect in the mode of series connection, and in the common port of the two ends of described series capacitance and adjacent two electric capacity 2, each end points is outwards drawn at least one first pin 3.The number that each end points is drawn the first pin 3 depends primarily on each end points and need to link to each other with which module.Each end points is drawn the mode of connection of 3 the first pins 3 and is seen Fig. 8.
As shown in Figure 5, described a plurality of electric capacity 2 also can connect in the mode that series and parallel connections mixes, wherein partition capacitance 2 connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity 2, each end points is outwards drawn at least one first pin 3, the Capacitance parallel connection that this series capacitance and another part electric capacity 2 form.The number of another part electric capacity can be one or more.In the common port of the two ends of series capacitance and adjacent two electric capacity 2, the number that each end points is drawn the first pin 3 depends primarily on each end points and need to link to each other with which module.Each end points is drawn the mode of connection of 3 the first pins 3 and is seen Fig. 8.
Further, shown in Fig. 6,7, when described integrated capacitor has the occasion of other inputs, at least one second pin 4 is also outwards drawn at the two ends of described series capacitance separately.1 the second pin 4 is also generally outwards drawn at the two ends of described series capacitance separately, when the current ratio that accesses when described integrated capacitor is larger, also can outwards draw 2 or a plurality of the second pin 4.The concrete mode of connection as shown in Figure 8.
Further, in the assembled scheme of above-mentioned all schemes that comprise series capacitance or scheme, the parameter of each electric capacity is identical in the described series capacitance.
Above-mentioned said electric capacity 2 is not limited to single electric capacity, can also refer to by a plurality of capacitances in series or the combination capacitor that composes in parallel.
As one of preferred version of the present invention, described integrated capacitor comprises a container 1, is equiped with a plurality of electric capacity 2 in the described container 1, and described a plurality of electric capacity 2 are with a kind of connection setting in the following dual mode:
Described a plurality of electric capacity 2 connects in the mode of series connection, and in the common port of the two ends of described series capacitance and adjacent two electric capacity 2, each end points is outwards drawn at least one first pin 3.
Described a plurality of electric capacity 2 connects in the mode that series and parallel connections mixes, wherein partition capacitance 2 connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin, the Capacitance parallel connection that this series capacitance and another part electric capacity 2 form.The number of another part electric capacity can be one or more.
The parameter of each electric capacity 2 is identical in the above-mentioned series capacitance.
Such scheme can be applied in the occasion of inverter, an inverter A, comprise the power switch module, described power switch module links to each other with direct voltage, this inverter A also comprises above-mentioned integrated capacitor, the first pin 3 of described integrated capacitor is received on the power pin of power switch module, Absorption Capacitance as the power switch module, if N level of described inverter A output, the direct current positive pressure, cathode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin 3, and this on power pin of partly or entirely receiving the power switch module of N the first pin 3, is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
Described integrated capacitor has N the first pin 3 to be applicable to the occasion of inverter output single-phase electricity, there is 2N the first pin 3 to be applicable to inverter output single-phase electricity and integrated capacitor and also needs the occasion that links to each other with balancing circuitry or charge-discharge circuit, there be 3N the first pin 3 to be applicable to the occasion of inverter output three-phase electricity, there is 4N the first pin 3 to be applicable to inverter output three-phase electricity and integrated capacitor and also needs the occasion that links to each other with balancing circuitry or charge-discharge circuit, there is 6N the first pin 3 to be applicable to inverter output three-phase electricity and integrated capacitor and also needs the occasion that links to each other with rectification module back-to-back, having 7N the first pin 3 to be applicable to inverter output three-phase electricity and integrated capacitor also needs the occasion that links to each other with balancing circuitry or charge-discharge circuit with rectification module back-to-back, etc.In a word, each end points of the series capacitance of integrated capacitor number of drawing the first pin 3 depends primarily on each end points and need to be connected with which module.
Inverter can be three-level inverter, this moment N=3, N '=1, then as shown in Figure 7,3 the first pins 3 of integrated capacitor receive respectively the power switch module+V ,-V and midpoint potential power pin on.
When being five-electrical level inverter, this moment N=5, N '=2, then as shown in Figure 8,5 the first pins 3 of integrated capacitor receive respectively the power switch module+V ,+1/2V ,-1/2V ,-V, and on the bus midpoint potential power pin.
The occasion of other inverters can be derived as stated above.
The present invention has also protected the application of above-mentioned preferred version one in inverter, and concrete connected mode is the same.
Above-mentioned preferred version of the present invention in being applied to multi-electrical level inverter, can also be applied to the occasion of two level elementary cells series connection, circuit connects as shown in figure 12.Can also be applied to the occasion of traditional two level, this moment, the power switch module comprised the switching tube of two series connection, the positive and negative electrode of two termination busbar voltages of tandem tap pipe, its mid point is drawn as output, then the two ends of series capacitance link to each other with the two ends of tandem tap pipe, and the mid point of series capacitance links to each other with the mid point of tandem tap pipe.In a word, so long as the occasion that has many capacitances in series and need to link to each other with the intermediate point of series capacitance can be used above-mentioned preferred version of the present invention.
This integrated capacitor wiring is simple, be easy to install, area occupied is little, can reduce the peak voltage at the power switch module pin place of inverter, reduces lead-in inductance, makes the ability of capacitive absorption ripple current stronger.
As two of preferred version of the present invention, described integrated capacitor comprises a container 1, is equiped with a plurality of electric capacity 2 in the described container 1, and described a plurality of electric capacity 2 are with a kind of connection setting in the following dual mode:
Described a plurality of electric capacity 2 connects in the mode of series connection, and in the common port of the two ends of described series capacitance and adjacent two electric capacity 2, each end points is outwards drawn at least one first pin 3.At least one second pin 4 is also outwards drawn at the two ends of described series capacitance separately.
Described a plurality of electric capacity 2 connects in the mode that series and parallel connections mixes, wherein partition capacitance 2 connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity, each end points is outwards drawn at least one first pin 3, the Capacitance parallel connection that this series capacitance and another part electric capacity form, at least one second pin 4 is also outwards drawn at the two ends of described series capacitance separately.
The parameter of each electric capacity is identical in the above-mentioned series capacitance.
Such scheme can be applied in the occasion of inverter, an inverter B, comprise the power switch module, described power switch module links to each other with direct voltage, described inverter B also comprises above-mentioned preferred version two described integrated capacitors, the second pin 4 of described integrated capacitor and direct voltage are just, negative pole links to each other, the first pin 3 of described integrated capacitor is received on the power pin of power switch module, if N level of described inverter B output, the direct current positive pressure, cathode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin 3, this at least N the first pin all or part of receive on the power pin of power switch module, be respectively following electrical voltage point:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
Described integrated capacitor has N the first pin 3 to be applicable to the occasion of inverter output single-phase electricity, there is 2N the first pin 3 to be applicable to inverter output single-phase electricity and integrated capacitor and also needs the occasion that links to each other with balancing circuitry or charge-discharge circuit, there be 3N the first pin 3 to be applicable to the occasion of inverter output three-phase electricity, there is 4N the first pin 3 to be applicable to inverter output three-phase electricity and integrated capacitor and also needs the occasion that links to each other with balancing circuitry or charge-discharge circuit, having 6N the first pin 3 to be applicable to inverter output three-phase electricity and integrated capacitor also needs the occasion that links to each other with rectification module back-to-back, has 7N the first pin 3 to be applicable to inverter and exports three-phase electricity and integrated capacitor and also need occasion that links to each other with balancing circuitry or charge-discharge circuit with rectification module back-to-back etc.In a word, each end points of the series capacitance of integrated capacitor number of drawing the first pin 3 depends primarily on each end points and need to be connected with which module.
Described integrated capacitor generally has two the second pins 4, is connected on the positive and negative electrode of direct voltage, and when direct current was larger, described integrated capacitor can arrange the positive and negative electrode that 4 the second pins 4 are connected on respectively direct voltage, as shown in Figure 8.
Inverter can be three-level inverter, this moment N=3, N '=1, then as shown in Figure 7,3 the first pins 3 of integrated capacitor receive respectively the power switch module+V ,-V and midpoint potential power pin on.
When being five-electrical level inverter, this moment N=5, N '=2, then as shown in Figure 8,5 the first pins 3 of integrated capacitor receive respectively the power switch module+V ,+1/2V ,-1/2V ,-V, and on the bus midpoint potential power pin.
The occasion of other inverters can be derived as stated above.
The present invention has also protected the application of above-mentioned preferred version two in inverter, and concrete connected mode is the same.
Above-mentioned preferred version of the present invention in being applied to multi-electrical level inverter, can also be applied to the occasion of two level elementary cells series connection, circuit connects as shown in figure 12.Can also be applied to the occasion of traditional two level, this moment, the two ends of series capacitance were connected with the positive and negative electrode of power model, and the mid point of series capacitance is connected with the mid point of input (perhaps output) filter capacitor.In a word, so long as the occasion that has many capacitances in series and need to link to each other with the intermediate point of series capacitance can be used above-mentioned preferred version of the present invention.
Above-mentioned integrated capacitor has the advantages such as installation is succinct, volume is little, degree of protection is high, easy to maintenance as DClink electric capacity.
Inverter can also comprise preferred version one and the preferred version two of above-mentioned integrated capacitor simultaneously, as shown in Figure 9, is respectively the circuit diagram of DClink electric capacity and Absorption Capacitance in the three-level inverter.
Claims (10)
1. integrated capacitor, it is characterized in that: described integrated capacitor comprises a container (1), be equiped with a plurality of electric capacity (2) in the described container (1), described a plurality of electric capacity (2) connects in the mode of series connection or parallel connection or series and parallel connections mixing, in the two ends of the aggregation type electric capacity that forms in the above described manner and the common port of partition capacitance (2), each end points is outwards drawn at least one first pin (3).
2. integrated capacitor according to claim 1, it is characterized in that: described a plurality of electric capacity (2) connect in the mode of series connection, in the common port of the two ends of described series capacitance and adjacent two electric capacity (2), each end points is outwards drawn at least one first pin (3).
3. integrated capacitor according to claim 1, it is characterized in that: described a plurality of electric capacity (2) connect in the mode that series and parallel connections mixes, wherein partition capacitance (2) connects in the mode of series connection, in the common port of the two ends of this series capacitance and adjacent two electric capacity (2), each end points is outwards drawn at least one first pin (3), the Capacitance parallel connection that this series capacitance and another part electric capacity (2) form.
4. according to claim 1 and 2 or 3 described integrated capacitors, it is characterized in that: at least one second pin (4) is also outwards drawn at the two ends of described aggregation type electric capacity separately.
5. according to claim 2 or 3 described integrated capacitors, it is characterized in that: the parameter of each electric capacity is identical in the described series capacitance.
6. integrated capacitor according to claim 4, it is characterized in that: the parameter of each electric capacity is identical in the described series capacitance.
7. inverter A, comprise the power switch module, described power switch module links to each other with direct voltage, it is characterized in that: this inverter A also comprises integrated capacitor according to claim 5, first pin (3) of described integrated capacitor is received on the power pin of power switch module, Absorption Capacitance as the power switch module, if N level of described inverter A output, the direct current positive pressure, cathode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin (3), this on power pin of partly or entirely receiving the power switch module of N the first pin (3), is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
8. inverter B, comprise the power switch module, described power switch module links to each other with direct voltage, it is characterized in that: described inverter B also comprises integrated capacitor according to claim 6, second pin (4) of described integrated capacitor and direct voltage are just, negative pole links to each other, first pin (3) of described integrated capacitor is received on the power pin of power switch module, if N level of described inverter B output, the direct current positive pressure, cathode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin (3), this on power pin of partly or entirely receiving the power switch module of N the first pin (3), is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
9. the application of integrated capacitor according to claim 5 in inverter, wherein said inverter comprises the power switch module, described power switch module links to each other with direct voltage, first pin (3) of integrated capacitor is received on the power pin of power switch module, Absorption Capacitance as the power switch module, if N level of described inverter output, the direct current positive pressure, cathode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin (3), this on power pin of partly or entirely receiving the power switch module of N the first pin (3), is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
10. the application of integrated capacitor according to claim 6 in inverter, wherein said inverter comprises the power switch module, described power switch module links to each other with direct voltage, second pin (4) of described integrated capacitor and direct voltage are just, negative pole links to each other, first pin (3) of described integrated capacitor is received on the power pin of power switch module, if N level of described inverter output, the direct current positive pressure, cathode voltage is respectively+V and-V, then integrated capacitor has at least N the first pin (3), this on power pin of partly or entirely receiving the power switch module of N the first pin (3), is respectively following electrical voltage point at least:
± | V (1-2N '/(N-1)) |, N '=0,1 ..., [N/2] }, [N/2] represents the N/2 round numbers.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107369557A (en) * | 2017-08-10 | 2017-11-21 | 铜陵市启动电子制造有限责任公司 | A kind of multifunctional combination thin film capacitor |
| CN109378217A (en) * | 2018-11-30 | 2019-02-22 | 铜陵市三盛电子有限公司 | A kind of pin is convenient for more capacitance value capacitors of differentiation |
| CN109698623A (en) * | 2017-10-20 | 2019-04-30 | 泰达电子股份有限公司 | A kind of power module and power circuit |
| US10680506B2 (en) | 2014-03-26 | 2020-06-09 | Solaredge Technologies Ltd. | Multi-level inverter |
| US11063528B2 (en) | 2013-03-14 | 2021-07-13 | Solaredge Technologies Ltd. | Generating an alternating-current voltage with a high frequency multi-level inverter |
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| US11742777B2 (en) | 2013-03-14 | 2023-08-29 | Solaredge Technologies Ltd. | High frequency multi-level inverter |
| US11063528B2 (en) | 2013-03-14 | 2021-07-13 | Solaredge Technologies Ltd. | Generating an alternating-current voltage with a high frequency multi-level inverter |
| US10680505B2 (en) | 2014-03-26 | 2020-06-09 | Solaredge Technologies Ltd. | Multi-level inverter |
| US10886831B2 (en) | 2014-03-26 | 2021-01-05 | Solaredge Technologies Ltd. | Multi-level inverter |
| US10700588B2 (en) | 2014-03-26 | 2020-06-30 | Solaredge Technologies Ltd. | Multi-level inverter |
| US10886832B2 (en) | 2014-03-26 | 2021-01-05 | Solaredge Technologies Ltd. | Multi-level inverter |
| US11296590B2 (en) | 2014-03-26 | 2022-04-05 | Solaredge Technologies Ltd. | Multi-level inverter |
| US11855552B2 (en) | 2014-03-26 | 2023-12-26 | Solaredge Technologies Ltd. | Multi-level inverter |
| US10680506B2 (en) | 2014-03-26 | 2020-06-09 | Solaredge Technologies Ltd. | Multi-level inverter |
| US11632058B2 (en) | 2014-03-26 | 2023-04-18 | Solaredge Technologies Ltd. | Multi-level inverter |
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| US12062482B2 (en) | 2017-10-20 | 2024-08-13 | Delta Electronics (Thailand) Public Company Limited | Power module and power circuit |
| CN109378217A (en) * | 2018-11-30 | 2019-02-22 | 铜陵市三盛电子有限公司 | A kind of pin is convenient for more capacitance value capacitors of differentiation |
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