# US 10,483,867 B2 · Switched mode power converter configured to control at least one phase of a polyphase electrical receiver with at least three phases

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- Number: US 10,483,867 B2
- Document ID: US10483867B2
- Status: Granted
- Kind: B2
- Application number: 15/933,265
- Filed: 2018-03-22
- Published: 2018-09-27
- Granted: 2019-11-19
- Earliest claimed: 2017-03-24
- Assignees: Thales
- Applicants: Thales
- Inventors: Michel Guillaume; Laurent Gleton
- Web page: https://patentgrep.com/patent/US10483867B2

## CPC

- H02M 7/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections}
- B64G 1/002: {Launch systems}
- B64G 1/443: {Photovoltaic cell arrays}
- B64G 1/66: Arrangements or adaptations of apparatus or instruments, not otherwise provided for
- H02M 3/155: using semiconductor devices only
- H02M 7/537: using semiconductor devices only, e.g. single switched pulse inverters
- H02M 1/32: Means for protecting converters other than automatic disconnection
- H02M 1/325: {with means for allowing continuous operation despite a fault, i.e. fault tolerant converters}
- H10W 72/07554: {changes in dispositions}
- H10W 72/5445: {being orthogonal to a side surface of the chip, e.g. parallel arrangements}
- H10W 72/5475: {multiple bond wires connected to common bond pads at both ends of the wires}
- H10W 72/926: {Multiple bond pads having different sizes}
- H10W 90/00: Package configurations
- H10W 90/753: {between laterally-adjacent chips}
- H10W 90/755: {between a chip and a laterally-adjacent insulating package substrate, interpose or RDL}
- 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 (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P)
- B64G: COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10

## Abstract

A switched-mode power converter configured to control at least one phase of a polyphase electrical receiver with at least three phases, comprising at least one block of two converter arms, wherein a half-arm of a converter arm comprises: a first set of P≥2 switches in series; a second set of P≥2 switches in series; and a third set of diodes, arranged between the first set and the second set, comprising M≥2 subsets in series, indexed i∈[[1; M]], respectively comprising Ni≥2 diodes in parallel.

## Claims

### Claim 1

A switched-mode power converter configured to control at least one phase of a polyphase electrical receiver with at least three phases, comprising at least one block of two converter arms, wherein a half-arm of a converter arm comprises:
a first set (ENS1) of P≥2 switches (I1, I2) in series;
a second set (ENS2) of P≥2 switches (I3, I4) in series, the second set (ENS2) being electrically connected in parallel between a power supply line (DCBUS+, DCBUS−) of a coplanar electrical power supply (DCBUS) and a power interface; and
a third set (ENS3) of diodes, arranged between the first set (ENS1) and the second set (ENS2), comprising M≥2 subsets (SE1, SE2, . . . , SEM) in series, indexed i∈[[1; M]], respectively comprising Ni≥2 diodes in parallel, said third set (ENS3) being electrically connected between the power interface and the other power supply line (DCBUS+, DCBUS−) of the coplanar electrical power supply (DCBUS).

### Claim 2 (depends on 1)

The switched-mode power converter according to claim 1, wherein the M subsets comprise a same number Ni of diodes in parallel.

### Claim 3 (depends on 1)

The switched-mode power converter according to claim 1, comprising at least one temperature sensor.

### Claim 4 (depends on 1)

The switched-mode power converter according to claim 1, wherein the switches of the first set (ENS1) are aligned and/or the switches of the second set (ENS2) are aligned and/or the subsets (SE1, SE2) of diodes of the third set (ENS3) are aligned.

### Claim 5 (depends on 1)

The switched-mode power converter according to claim 1, wherein a block of two arms comprises a coplanar electrical power supply (DCBUS), provided with a positive line (DCBUS+) and a negative line (DCBUS−), arranged so as to separate two arms of the converter, and comprising a power interface for each arm, each power interface being arranged such that the two half-arms of the corresponding arm are situated between the coplanar electrical power supply (DCBUS) and the corresponding power interface.

### Claim 6 (depends on 5)

The switched-mode power converter according to claim 5, wherein two half-arms forming an arm of a block of two arms of the converter, comprise
a positive half-arm comprising a third set (ENS3) connected between the negative line (DCBUS−) of the coplanar electrical power supply (DCBUS) and the corresponding power interface, and a first set (ENS1) and a second set (ENS2) connected between the positive line (DCBUS+) of the coplanar electrical power supply (DCBUS) and the corresponding power interface, and
a negative half-arm comprising a third set (ENS3) connected between the positive line (DCBUS+) of the coplanar electrical power supply (DCBUS) and the corresponding power interface, and a first set (ENS1) and a second set (ENS2) connected between the negative line (DCBUS−) of the coplanar electrical power supply (DCBUS) and the corresponding power interface.

### Claim 7 (depends on 6)

The switched-mode power converter according to claim 6, wherein a negative half-arm of an arm of a block of two arms of the converter is arranged facing a positive half-arm of the other arm of the block of two arms of the converter, relative to the coplanar electrical power supply (DCBUS).

### Claim 8 (depends on 1)

The switched-mode power converter according to claim 1, wherein, when the number of arms is odd, the converter comprises said blocks of two arms, and a block of two arms provided with an additional arm.

### Claim 9 (depends on 8)

The switched-mode power converter according to claim 8, wherein said block of two arms is provided with an additional arm comprising two half-arms arranged on either side of the extended coplanar electrical power supply (DCBUS), and a power interface of said additional arm comprising respectively, for each of the two half-arms, a part arranged such that the corresponding half-arm is situated between the coplanar electrical power supply (DCBUS) and said part of the corresponding power interface.

### Claim 10 (depends on 8)

The switched-mode power converter according to claim 8, wherein said block of two arms provided with an additional arm also comprises an additional portion (DCBUSadd) of coplanar electrical power supply (DCBUS) arranged at one end and in a different direction from the rest of the coplanar electrical power supply, and a power interface of said additional arm arranged such that said additional arm is situated between said additional portion (DCBUSadd) of coplanar electrical power supply and said corresponding power interface.

### Claim 11 (depends on 10)

The switched-mode power converter according to claim 10, wherein said additional portion (DCBUSadd) of coplanar electrical power supply (DCBUS) is substantially at right angles to the rest of the coplanar electrical power supply.

### Claim 12 (depends on 1)

The switched-mode power converter according to claim 1, wherein it is hybrid.

### Claim 13 (depends on 1)

The switched-mode power converter according to claim 1, wherein the switches comprise at least one insulated gate bipolar transistor and/or at least one insulated gate field effect transistor.

### Claim 14 (depends on 1)

The switched-mode power converter according to claim 1, said converter being an inverter or a chopper.

### Claim 15 (depends on 1)

A control system of at least one electrical cylinder actuator of a space launch vehicle comprising at least one switched-mode power converter according to claim 1, the electrical receiver being an electric motor and the power converter being an inverter.

### Claim 16 (depends on 15)

A space launch vehicle provided with a system according to claim 15.

### Claim 17 (depends on 1)

A control system of at least one steering device for antennas or solar panels of a satellite comprising at least one switched-mode power converter according to claim 1, the electrical receiver being an electric motor and the power converter being an inverter.

### Claim 18 (depends on 17)

A satellite provided with a control system according to claim 17.

### Claim 19 (depends on 1)

A power supply system of a satellite comprising at least one switched-mode power converter according to claim 1, the electrical receiver being a polyphase transformer and the power converter being an inverter or chopper.

### Claim 20 (depends on 19)

A satellite provided with a power supply system according to claim 19.