WO2022249248A1 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
- Publication number
- WO2022249248A1 WO2022249248A1 PCT/JP2021/019642 JP2021019642W WO2022249248A1 WO 2022249248 A1 WO2022249248 A1 WO 2022249248A1 JP 2021019642 W JP2021019642 W JP 2021019642W WO 2022249248 A1 WO2022249248 A1 WO 2022249248A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insulators
- conversion device
- power conversion
- metal
- power converter
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 127
- 239000012212 insulator Substances 0.000 claims abstract description 120
- 239000002184 metal Substances 0.000 claims abstract description 98
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 54
- 238000002955 isolation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 18
- 238000009413 insulation Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
- H05K7/14339—Housings specially adapted for power drive units or power converters specially adapted for high voltage operation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
Definitions
- the present disclosure relates to power converters.
- Patent Document 1 describes a power converter.
- the power conversion device described in Patent Literature 1 includes a plurality of base pillars, a first stage, a plurality of stage pillars, a second stage, and a plurality of power conversion units.
- the first stage is supported by multiple base struts.
- the second stage is supported by a plurality of base struts.
- Each of the plurality of stage stanchions is attached to each of the plurality of base stanchions.
- a plurality of power conversion units are arranged on the first stage and the second stage.
- each of the plurality of stage columns is attached to each of the plurality of base columns, so the number and arrangement of the plurality of base columns depend on the number and arrangement of the plurality of stage columns. will be restricted.
- the present disclosure provides a power conversion device in which the number and arrangement of insulators for supporting the insulating pedestal are not restricted by the pillars of the insulating pedestal.
- the power conversion device of the present disclosure includes a plurality of first insulators, a first metal mount arranged on the plurality of first insulators, and at least one insulation mount arranged on the first metal mount. , and a plurality of sub-modules mounted on at least one insulating pedestal.
- Each of the at least one insulating pedestal has a plurality of posts and a plurality of insulating plates supported by the plurality of posts and on which each of the plurality of submodules are arranged.
- Each of the plurality of columns includes a plurality of metal columns and a plurality of second insulators, and is arranged on the first metal mount with one of the plurality of second insulators interposed therebetween. Adjacent two of the plurality of metal columns are connected by each of the plurality of second insulators.
- the power conversion device of the present disclosure it is possible to prevent the number and arrangement of the insulators for supporting the insulating pedestal from being restricted by the pillars of the insulating pedestal.
- FIG. 1 is a schematic circuit diagram of a power conversion device 100; FIG. 2 is a schematic circuit diagram of a submodule 10; FIG. 1 is a front view of a power conversion device 100; FIG. 2 is a side view of the power conversion device 100; FIG. 2 is a front view of the power conversion device 200; FIG. It is a front view of power converter 100A. It is a front view of the power converter device 100B. It is a front view of power converter 100C. It is a front view of power converter device 100D. It is a front view of the power converter device 100E. It is a front view of the power converter device 100F. It is a side view of the power converter device 100F. It is a side view of the power converter device 100F which concerns on a modification. It is a front view of power converter 100G. It is a front view of the power converter device 100H.
- Embodiment 1 A power conversion device (hereinafter referred to as “power conversion device 100”) according to Embodiment 1 will be described.
- the power converter 100 is, for example, an MMC (Multilevel Modular Converter) type HVDC (High Voltage DC) converter.
- the power electronics device 100 is not limited to this.
- FIG. 1 is a schematic circuit diagram of the power converter 100. As shown in FIG. As shown in FIG. 1 , the power conversion device 100 has multiple pairs of upper arms 110 and lower arms 120 . Upper arm 110 and lower arm 120 are connected in series. Each of the multiple sets of upper arms 110 and lower arms 120 are connected in parallel. A transformer 130 is connected between the upper arm 110 and the lower arm 120 . The upper arm 110 and the lower arm 120 have multiple submodules 10 connected in series.
- FIG. 2 is a schematic circuit diagram of the submodule 10.
- the submodule 10 has, for example, switching elements 11a and 11b, diodes 12a and 12b, capacitors 13, and connection lines 14a and 14b.
- the switching elements 11a and 11b are, for example, IGBTs (Insulated Gate Bipolar Transistors).
- the switching element 11a and the switching element 11b are connected in series.
- the diodes 12a and 12b are connected in parallel so as to reverse bias the switching elements 11a and 11b, respectively.
- the capacitor 13 is connected in parallel with the switching elements 11a and 11b that are connected in series.
- connection line 14a is connected to the emitter of the switching element 11a and the collector of the switching element 11b.
- the connection line 14b is connected to the emitter of the switching element 11b.
- the connection line 14a of one submodule 10 is connected to the connection line 14b of another submodule 10 adjacent thereto.
- the submodule 10 constitutes a half-bridge type converter cell.
- FIG. 3 is a front view of the power converter 100.
- FIG. FIG. 4 is a side view of the power conversion device 100.
- the power converter 100 has a plurality of insulators 20 , metal mounts 30 , insulation mounts 40 and conductive members 50 .
- the insulator 20 is made of an insulating material.
- the insulating material is, for example, FRP (Fiber Reinforced Plastic).
- the insulator 20 may have folds formed of a polymer material on its surface.
- the number of the plurality of insulators 20 is greater than the number of the plurality of supports 41 to be described later.
- the outer diameter of the insulator 20 is, for example, equal to the outer diameter of an insulator 41b described later.
- the metal pedestal 30 is made of a metal material.
- a metal mount 30 is arranged on the plurality of insulators 20 .
- the metal pedestal 30 has a width W1 and a width W2.
- the width W1 is the width of the metal mount 30 in the longitudinal direction.
- the width W2 is the width of the metal mount 30 in the direction orthogonal to the longitudinal direction.
- the insulating pedestal 40 has a plurality of posts 41 and an insulating plate 42 .
- the strut 41 extends vertically.
- the column 41 has a plurality of metal columns 41a and a plurality of insulators 41b.
- the metal column 41a extends vertically.
- the plurality of metal columns 41a are arranged along the vertical direction.
- An insulator 41b is arranged between two adjacent metal columns 41a.
- the column 41 is arranged on the metal base 30 with an insulator 41b interposed therebetween. That is, an insulator 41b is arranged at the end of the support 41 on the side of the metal pedestal 30 . Thereby, insulation of the insulating mount 40 with respect to the metal mount 30 is ensured.
- the insulator 41b is made of an insulating material.
- the insulator 41b is made of the same material as the insulator 20, for example.
- the insulating plate 42 is made of an insulating material.
- the insulating plate 42 is made of, for example, a ceramic material.
- the insulating plate 42 is supported by the struts 41 .
- the main surface of the insulating plate 42 extends vertically while being supported by the supports 41 .
- the plurality of insulating plates 42 are arranged in a plurality of stages in the vertical direction.
- a plurality of insulating plates 42 are arranged in the same stage.
- a sub-module 10 is arranged on each of the plurality of insulating plates 42 .
- An electric field shield 43 is provided for each stage of the insulating plate 42 on the insulating pedestal 40 .
- the electric field shield 43 may be provided on the metal mount 30 as well. This prevents discharge from the insulating base 40 and the metal base 30 .
- the insulating mount 40 has a width W3 and a width W4.
- the width W3 is the width of the insulating pedestal 40 in the longitudinal direction.
- the width W4 is the width of the insulating base 40 in the direction orthogonal to the longitudinal direction. In the power conversion device 100, the width W3 is equal to the width W1, and the width W4 is equal to the width W2.
- the insulating pedestal 40 is arranged such that the longitudinal direction of the insulating pedestal 40 coincides with the longitudinal direction of the metal pedestal 30 .
- the conductive member 50 electrically connects one of the metal columns 41 a of the support 41 and the metal base 30 . More specifically, the conductive member 50 electrically connects the metal column 41 a closest to the metal pedestal 30 and the metal pedestal 30 .
- FIG. 5 is a front view of the power converter 200.
- the power converter 200 has a plurality of submodules 10, a plurality of insulators 20, and an insulating base 40.
- the configuration of the power conversion device 200 is common to the configuration of the power conversion device 100 .
- the power conversion device 200 does not have the metal frame 30.
- each of the multiple struts 41 is attached to each of the multiple insulators 20 .
- the outer diameter of the insulator 20 is larger than the outer diameter of the insulator 41b. Regarding these points, the configuration of the power conversion device 200 is different from the configuration of the power conversion device 100 .
- the number and arrangement of the plurality of insulators 20 are restricted by the number and arrangement of the plurality of pillars 41. It will be.
- the number and arrangement of the plurality of insulators 20 are the same as the number of the plurality of columns 41 . and are not constrained by placement.
- the number of the plurality of insulators 20 is restricted by the number of the plurality of columns 41. Therefore, in order to ensure seismic performance, it is necessary to increase the outer diameter of each of the plurality of insulators 20. be. As a result, the installation area of the power conversion device 200 becomes large. In addition, since the cost of the insulator 20 having a large outer diameter is high, the manufacturing cost of the electric power conversion device 200 is increased in order to ensure seismic performance.
- the number and arrangement of the plurality of insulators 20 are not restricted by the number and arrangement of the plurality of supports 41. Therefore, without increasing the outer diameter of the insulator 20, for example, the plurality of insulators 20 By increasing the number of insulators 20 or optimizing the arrangement of the plurality of insulators 20, the seismic performance of the power converter 100 can be improved. Thus, according to the power conversion device 100, it is possible to suppress an increase in installation area and an increase in manufacturing cost in order to ensure seismic performance.
- Embodiment 2 A power conversion device (hereinafter referred to as “power conversion device 100A”) according to Embodiment 2 will be described. Here, points different from the power converter 100 will be mainly described, and redundant description will not be repeated.
- FIG. 6 is a front view of the power converter 100A.
- the power converter 100A includes a plurality of submodules 10, a plurality of insulators 20, a metal mount 30 arranged on the plurality of insulators 20, and a metal mount 30 arranged on the metal mount 30. It has an insulating pedestal 40 that is installed. Regarding this point, the configuration of the power conversion device 100A is common to the configuration of the power conversion device 100 .
- the power conversion device 100A does not have the conductive member 50. That is, in the power conversion device 100A, the metal pedestal 30 has a floating potential. In this regard, the configuration of the power conversion device 100A is different from the configuration of the power conversion device 100. FIG.
- the metal pedestal 30 is electrically connected to the metal pillar 41a closest to the metal pedestal 30, so that the ground insulation distance is the distance between the metal pedestal 30 and the installation surface of the power converter 100. Determined by distance. Therefore, in the power conversion device 100, it is necessary to increase the length of the insulator 20 in order to secure the insulation distance to ground.
- the insulation distance to the ground depends on the distance between the insulating plate 42 closest to the metal pedestal 30 and the installation surface of the power conversion device 100A. It is determined. Therefore, in the power converter 100A, even if the length of the insulator 20 is shorter than that of the power converter 100, the ground insulation distance can be ensured. As a result, according to the power conversion device 100A, compared with the power conversion device 100, the height of the device can be reduced.
- Embodiment 3 A power conversion device (hereinafter referred to as “power conversion device 100B”) according to Embodiment 3 will be described. Here, points different from the power conversion device 100 will be mainly described, and redundant description will not be repeated.
- FIG. 7 is a front view of the power converter 100B.
- the power converter 100B includes a plurality of submodules 10, a plurality of insulators 20, a metal mount 30 arranged on the plurality of insulators 20, and a metal mount 30 arranged on the metal mount 30. It has an insulating pedestal 40 and a conductive member 50 . Regarding this point, the configuration of the power conversion device 100B is common to the configuration of the power conversion device 100 .
- the number of multiple insulators 20 is less than the number of multiple struts 41 .
- the outer diameter of the insulator 20 is larger than the outer diameter of the insulator 41b.
- the outer diameter of the insulators 20 is larger than the outer diameter of the insulators 41b, so that the seismic performance can be maintained. can. Also, in the power conversion device 100B, the number of the plurality of insulators 20 is smaller than the number of the plurality of columns 41, so the installation area can be reduced compared to the power conversion device 100.
- FIG. 1 the number of the plurality of insulators 20 is smaller than the number of the plurality of columns 41, so the installation area can be reduced compared to the power conversion device 100.
- Embodiment 4 A power conversion device (hereinafter referred to as "power conversion device 100C") according to Embodiment 4 will be described. Here, points different from the power conversion device 100A will be mainly described, and redundant description will not be repeated.
- FIG. 8 is a front view of the power converter 100C.
- the power converter 100C includes a plurality of submodules 10, a plurality of insulators 20, a metal mount 30 arranged on the plurality of insulators 20, and a metal mount 30 arranged on the metal mount 30. It has an insulating pedestal 40 that is installed. Regarding this point, the configuration of the power conversion device 100C is common to the configuration of the power conversion device 100A.
- the number of multiple insulators 20 is less than the number of multiple struts 41 .
- the outer diameter of the insulator 20 is larger than the outer diameter of the insulator 41b.
- the outer diameter of the insulators 20 is larger than the outer diameter of the insulators 41b, so that the seismic performance can be maintained. can. Also, in the power conversion device 100C, the number of the plurality of insulators 20 is smaller than the number of the plurality of pillars 41, so the installation area can be reduced as compared with the power conversion device 100A.
- Embodiment 5 A power conversion device according to Embodiment 5 (hereinafter referred to as “power conversion device 100D”) will be described. Here, points different from the power converter 100 will be mainly described, and redundant description will not be repeated.
- FIG. 9 is a front view of the power converter 100D.
- the power converter 100D includes a plurality of submodules 10, a plurality of insulators 20, a metal mount 30 arranged on the plurality of insulators 20, and a metal mount 30 arranged on the metal mount 30. It has an insulating pedestal 40 and a conductive member 50 . Regarding this point, the configuration of the power conversion device 100D is common to the configuration of the power conversion device 100 .
- the width (width W1) of the metal pedestal 30 in the longitudinal direction is larger than the width (width W3) of the insulating pedestal 40 in the longitudinal direction.
- the configuration of the power conversion device 100D differs from the configuration of the power conversion device 100 .
- the width W1 is larger than the width W3, the number of insulators 20 can be increased compared to the power conversion device 100. Further, in the power conversion device 100D, the width W1 is larger than the width W3, so that the plurality of insulators 20 can be arranged more freely, and the arrangement of the plurality of insulators 20 can be easily optimized. As a result, according to the power conversion device 100D, it is possible to further improve the seismic performance.
- Embodiment 6 A power converter (hereinafter referred to as "power converter 100E") according to Embodiment 6 will be described. Here, points different from the power conversion device 100A will be mainly described, and redundant description will not be repeated.
- FIG. 10 is a front view of the power converter 100E.
- the power conversion device 100D includes a plurality of submodules 10, a plurality of insulators 20, a metal mount 30 arranged on the plurality of insulators 20, and a metal mount 30 arranged on the metal mount 30. It has an insulating pedestal 40 that is installed. Regarding this point, the configuration of the power conversion device 100E is common to the configuration of the power conversion device 100A.
- the width (width W1) of the metal pedestal 30 in the longitudinal direction is larger than the width (width W3) of the insulating pedestal 40 in the longitudinal direction.
- the configuration of the power conversion device 100E is different from the configuration of the power conversion device 100A.
- the width W1 is larger than the width W3, the number of multiple insulators 20 can be increased compared to the power conversion device 100A. Further, in the power conversion device 100E, the width W1 is larger than the width W3, so that the plurality of insulators 20 can be arranged more freely, and the arrangement of the plurality of insulators 20 can be easily optimized. As a result, according to the power conversion device 100E, it is possible to further improve the seismic performance.
- Embodiment 7 A power conversion device according to Embodiment 7 (hereinafter referred to as “power conversion device 100F”) will be described. Here, points different from the power conversion device 100 will be mainly described, and redundant description will not be repeated.
- FIG. 11 is a front view of the power converter 100F.
- FIG. 12 is a side view of the power converter 100F.
- the power converter 100F includes a plurality of submodules 10, a plurality of insulators 20, a metal pedestal 30 arranged on the plurality of insulators 20, and a metal pedestal 30 It has an insulating pedestal 40 disposed thereon and a conductive member 50 .
- the configuration of the power conversion device 100F is common to the configuration of the power conversion device 100 .
- the power conversion device 100F has a plurality of insulating mounts 40.
- the configuration of the power conversion device 100E is different from the configuration of the power conversion device 100.
- the number of mounts 40 is not limited to two.
- the insulating mount 40a and the insulating mount 40b have, for example, the same structure.
- the insulating pedestal 40a and the insulating pedestal 40b are arranged so that the longitudinal direction of the insulating pedestal 40a and the longitudinal direction of the insulating pedestal 40b are parallel.
- the plurality of sub-modules 10 installed on the insulating base 40a and the plurality of sub-modules 10 installed on the insulating base 40b are electrically connected.
- FIG. 13 is a side view of a power conversion device 100F according to a modification.
- metal mount 30 may be divided into first member 31 and second member 32 .
- the first member 31 and the second member 32 are spaced apart, for example, in a direction perpendicular to the longitudinal direction of the metal mount 30 .
- An insulating pedestal 40 a is arranged on the first member 31
- an insulating pedestal 40 b is arranged on the second member 32 .
- the plurality of sub-modules 10 installed on the insulating base 40a and the plurality of sub-modules 10 installed on the insulating base 40b have different potentials.
- the metal pedestal 30 is divided into the first member 31 and the second member 32, the plurality of sub-modules 10 installed on the insulating pedestal 40b and the plurality of sub-modules 10 installed on the insulating pedestal 40b are isolated. 10 can be individually optimized. On the other hand, if the metal pedestal 30 is not divided into the first member 31 and the second member 32, it becomes easier to ensure seismic performance.
- Embodiment 8 A power conversion device according to Embodiment 8 (hereinafter referred to as “power conversion device 100G”) will be described. Here, points different from the power conversion device 100 will be mainly described, and redundant description will not be repeated.
- FIG. 14 is a front view of the power converter 100G.
- the power converter 100G includes a plurality of submodules 10, a plurality of insulators 20, a metal mount 30 arranged on the plurality of insulators 20, and a metal mount 30 arranged on the metal mount 30. It has an insulating pedestal 40 and a conductive member 50 . Regarding this point, the configuration of the power conversion device 100G is common to the configuration of the power conversion device 100 .
- the power conversion device 100G has a metal mount 60 and a plurality of insulators 70.
- a metal mount 60 is arranged on the plurality of insulators 70 .
- a plurality of insulators 20 are arranged on the metal mount 60 .
- the configuration of the power conversion device 100G differs from the configuration of the power conversion device 100 .
- a metal mount 60 and a plurality of insulators 70 are arranged between the plurality of insulators 20 and the installation surface. Therefore, if the distance between the metal mount 30 and the installation surface is the same as that of the power converter 100, the length of the insulator 20 of the power converter 100G and the length of the insulator 70 are the same as those of the insulator 20 of the power converter 100. smaller than length. Thus, according to the power conversion device 100G, the insulator 20 and the insulator 70 are shortened, thereby improving the seismic performance.
- Embodiment 9 A power converter (hereinafter referred to as "power converter 100H") according to Embodiment 9 will be described. Here, points different from the power conversion device 100 will be mainly described, and redundant description will not be repeated.
- FIG. 15 is a front view of the power converter 100H.
- the power conversion device 100H includes a plurality of submodules 10, a plurality of insulators 20, a metal mount 30 arranged on the plurality of insulators 20, and a metal mount 30 arranged on the metal mount 30. It has an insulating pedestal 40 and a conductive member 50 . Regarding this point, the configuration of the power conversion device 100H is common to the configuration of the power conversion device 100 .
- the power conversion device 100H further includes multiple insulators 70 and multiple metal plates 80 .
- each of multiple metal plates 80 is arranged between each of multiple insulators 20 and each of multiple insulators 70 .
- Each of the plurality of insulators 20 has a different length. That is, the positions of the metal plates 80 in the vertical direction are different from each other. Regarding these points, the configuration of the power conversion device 100H is different from the configuration of the power conversion device 100H.
- a plurality of insulators 70 and a plurality of metal plates 80 are arranged between the plurality of insulators 20 and the installation surface. Therefore, if the distance between the metal mount 30 and the installation surface is the same as that of the power converter 100, the length of the insulator 20 of the power converter 100H and the length of the insulator 70 are the same as those of the insulator 20 of the power converter 100. smaller than length. Thus, according to the power conversion device 100H, the insulator 20 and the insulator 70 are shortened, thereby improving the seismic performance.
- the electric potentials of the plurality of sub-modules 10 installed on the insulating mount 40 differ from place to place.
- the insulation of the plurality of submodules 10 installed on the insulating base 40 can be optimized for each location. .
- 10 submodule 11a, 11b switching element, 12a, 12b diode, 13 capacitor, 14a, 14b connection line, 20 insulator, 30 metal base, 31 first member, 32 second member, 40, 40a, 40b insulation base, 41 Post, 41a Metal column, 41b Insulator, 42 Insulating plate, 43 Electric field shield, 50 Conductive member, 60 Metal mount, 70 Insulator, 80 Metal plate, 100, 100A, 100B, 100C, 100D, 100E, 100F, 100G , 100H, 200 power converter, 110 upper arm, 120 lower arm, 130 transformer, W1, W2, W3, W4 width.
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Abstract
Description
実施の形態1に係る電力変換装置(以下においては「電力変換装置100」とする)を説明する。
以下に、電力変換装置100の構成を説明する。
以下に、電力変換装置100の効果を比較例に係る電力変換装置(以下においては「電力変換装置200」とする)と対比しながら説明する。
実施の形態2に係る電力変換装置(以下においては「電力変換装置100A」とする)を説明する。ここでは、電力変換装置100と異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Aの構成を説明する。
以下に、電力変換装置100Aの効果を説明する。
実施の形態3に係る電力変換装置(以下においては「電力変換装置100B」とする)を説明する。ここでは、電力変換装置100と異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Bの構成を説明する。
以下に、電力変換装置100Bの効果を説明する。
実施の形態4に係る電力変換装置(以下においては「電力変換装置100C」とする)を説明する。ここでは、電力変換装置100Aと異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Cの構成を説明する。
以下に、電力変換装置100Cの効果を説明する。
実施の形態5に係る電力変換装置(以下においては「電力変換装置100D」とする)を説明する。ここでは、電力変換装置100と異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Dの構成を説明する。
以下に、電力変換装置100Dの効果を説明する。
実施の形態6に係る電力変換装置(以下においては「電力変換装置100E」とする)を説明する。ここでは、電力変換装置100Aと異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Eの構成を説明する。
以下に、電力変換装置100Eの効果を説明する。
実施の形態7に係る電力変換装置(以下においては「電力変換装置100F」とする)を説明する。ここでは、電力変換装置100と異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Fの構成を説明する。
以下に、電力変換装置100Fの効果を説明する。
実施の形態8に係る電力変換装置(以下においては「電力変換装置100G」とする)を説明する。ここでは、電力変換装置100と異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Gの構成を説明する。
以下に、電力変換装置100Gの効果を説明する。
実施の形態9に係る電力変換装置(以下においては「電力変換装置100H」とする)を説明する。ここでは、電力変換装置100と異なる点を主に説明し、重複する説明は繰り返さないものとする。
以下に、電力変換装置100Hの構成を説明する。
以下に、電力変換装置100Hの効果を説明する。
Claims (11)
- 複数の第1絶縁碍子と、
前記複数の第1絶縁碍子上に配置されている第1金属架台と、
前記第1金属架台上に配置されている少なくとも1つの絶縁架台と、
前記少なくとも1つの絶縁架台に設置されている複数のサブモジュールとを備え、
前記少なくとも1つの絶縁架台の各々は、複数の支柱と、前記複数の支柱により支持され、かつ前記複数のサブモジュールの各々が配置されている複数の絶縁板とを有し、
前記複数の支柱の各々は、複数の金属柱と、複数の第2絶縁碍子とを含み、かつ前記複数の第2絶縁碍子のうちの1つを介在させて前記第1金属架台上に配置されており、
前記複数の金属柱のうちの隣り合う2つは、前記複数の第2絶縁碍子の各々により接続されている、電力変換装置。 - 前記第1金属架台と前記複数の金属柱のうちの1つとを電気的に接続している導電部材をさらに備える、請求項1に記載の電力変換装置。
- 前記第1金属架台は、浮遊電位になっている、請求項1に記載の電力変換装置。
- 前記複数の第1絶縁碍子の数は、前記複数の支柱の数よりも多い、請求項1~請求項3のいずれか1項に記載の電力変換装置。
- 前記第1金属架台の幅は、前記少なくとも1つの絶縁架台の幅よりも大きい、請求項1~請求項4のいずれか1項に記載の電力変換装置。
- 前記複数の第1絶縁碍子の数は、前記複数の支柱の数よりも少なく、
前記複数の第1絶縁碍子の各々の外径は前記第2絶縁碍子の各々の外径よりも大きい、請求項1~請求項3のいずれか1項に記載の電力変換装置。 - 前記少なくとも1つの絶縁架台は、互いに隣り合って配置されている複数の絶縁架台である、請求項1~請求項6のいずれか1項に記載の電力変換装置。
- 前記第1金属架台は、複数の部材に分割されており、
前記複数の部材の各々の上には、前記複数の絶縁架台の各々が配置されている、請求項7に記載の電力変換装置。 - 複数の第3絶縁碍子と、
前記複数の第3絶縁碍子上に配置されている第2金属架台とをさらに備え、
前記複数の第1絶縁碍子は、前記第2金属架台上に配置されている、請求項1~請求項8のいずれか1項に記載の電力変換装置。 - 複数の金属板と、
複数の第3絶縁碍子とをさらに備え、
前記複数の金属板の各々は、前記複数の第1絶縁碍子と前記複数の第3絶縁碍子との間に配置されている、請求項3に記載の電力変換装置。 - 前記複数の第1絶縁碍子の長さの各々は、互いに異なっている、請求項10に記載の電力変換装置。
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JP5868561B1 (ja) * | 2015-04-06 | 2016-02-24 | 三菱電機株式会社 | 電力変換装置 |
WO2019003432A1 (ja) | 2017-06-30 | 2019-01-03 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
WO2020017033A1 (ja) * | 2018-07-20 | 2020-01-23 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
JP6861923B1 (ja) * | 2020-11-11 | 2021-04-21 | 三菱電機株式会社 | 蓄電装置および電力系統安定化システム |
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JP5868561B1 (ja) * | 2015-04-06 | 2016-02-24 | 三菱電機株式会社 | 電力変換装置 |
WO2019003432A1 (ja) | 2017-06-30 | 2019-01-03 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
WO2020017033A1 (ja) * | 2018-07-20 | 2020-01-23 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
JP6861923B1 (ja) * | 2020-11-11 | 2021-04-21 | 三菱電機株式会社 | 蓄電装置および電力系統安定化システム |
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