EP3939153A1 - Système configuré pour délivrer un courant polyphasé de fréquence constante à partir d'une génératrice synchrone - Google Patents
Système configuré pour délivrer un courant polyphasé de fréquence constante à partir d'une génératrice synchroneInfo
- Publication number
- EP3939153A1 EP3939153A1 EP20725867.4A EP20725867A EP3939153A1 EP 3939153 A1 EP3939153 A1 EP 3939153A1 EP 20725867 A EP20725867 A EP 20725867A EP 3939153 A1 EP3939153 A1 EP 3939153A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- output
- arm
- inverter
- generator
- neutral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
- H02P9/102—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for limiting effects of transients
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/123—Suppression of common mode voltage or current
-
- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2103/00—Controlling arrangements characterised by the type of generator
- H02P2103/20—Controlling arrangements characterised by the type of generator of the synchronous type
Definitions
- TITLE SYSTEM CONFIGURED TO DELIVER A POLYPHASE CURRENT OF CONSTANT FREQUENCY FROM A SYNCHRONOUS GENERATOR
- the present invention relates to an electric generator at fixed frequency via a polyphase synchronous machine with variable speed, in particular for aircraft.
- Such an electric generator forms a system configured to deliver at output a polyphase voltage of constant frequency from a synchronous machine or generator, for example with permanent magnets, driven at variable speed, and more particularly a system at constant frequency for a speed variable drive from a variable generator known by the acronym VSCF (from the English expression “Variable Speed Constant Frequency”), in particular in an aircraft.
- the present invention nevertheless applies to any application of on-board alternating electric generation at fixed electric frequency from a mechanical shaft at variable speed.
- a power conversion structure which makes it possible to generate a three-phase plus one phase electrical network connected to the neutral at fixed frequency from a variable-speed electrical machine operating as a current generator driven by an accessory box. 'a turbojet of an aircraft.
- such a structure can integrate a VSCF system.
- a VSCF system can, for example, be integrated into an engine nacelle.
- This VSCF system comprises at least one synchronous generator, means for converting an alternating current into direct current, then a direct current into alternating current and an electronic control unit configured to control the VSCF system.
- the engine nacelle houses an accessory box in the form of a gearbox driving the synchronous generator from the turbojet.
- a VSCF system makes it possible to generate a constant electrical frequency via an electrical transformation, unlike a mechanical transformation usually used in aeronautics via a constant speed piloting equipment known from the state of the art under the English name of "Constant Speed Drive”.
- Such an on-board VSCF system is an integrated electromechanical power conversion system capable of replacing certain integrated generators on aircraft.
- FIG. 1 represents a VSCF system known from the state of the art.
- a VSCF system 1a comprises a synchronous generator 2 with permanent magnets, a passive rectifier 3a, a direct current bus 4, an inverter 5 and an electromagnetic compatibility filter 9a arranged at the output of the system 1a.
- the alternating current synchronous generator 2 is three-phase.
- An electronic control unit 7a controls the system 1a by reading the voltages upstream and downstream of the rectifier 3 and of the inverter 5 while being supplied by the synchronous generator 2.
- the alternating current at the output of the synchronous generator with permanent magnets is three-phase.
- a protection device advantageously a fuse, is arranged downstream of the generator in order to separate the generator and the current sensors, each being specific to a phase.
- the rectifier 3a is passive, since it does not include a controlled switch, but only diodes 14 (only one of which is referenced among all the diodes present).
- the passive rectifier 3a is coupled at the output to a link capacitor 11 forming part of the direct current bus 4 then to the inverter 5 with three arms not having a neutral link.
- the system 1a At the output of the inverter 5, the system 1a comprises an electromagnetic compatibility filter 9a and voltage sensors for each phase. Each phase line at the output of the system 1a has a switch 13.
- a VSCF system of the state of the art is advantageously more compact than other types of equivalent system, due to the use of a synchronous generator with permanent magnets. In addition, it is not necessary to use an auxiliary device to flux the generator at start-up.
- a passive rectifier provides simplified control of the system.
- a passive rectifier has the drawback of delivering a variable voltage to the branch comprising the link capacitor which can be assimilated to a direct current bus, this voltage being a function of the drive speed of the synchronous generator.
- the VSCF system of this state of the art ensures unidirectional current circulation with operation only in current generator mode by the synchronous generator, and not in energy recovery towards the direct current bus or the synchronous generator.
- the object of the invention is, for a system delivering a polyphase current of constant frequency from a synchronous generator driven at variable speed, to at least partially avoid the aforementioned drawbacks.
- the present invention relates to a system configured to deliver at output a polyphase current of constant frequency from a synchronous generator driven at variable speed, said system comprising successively, at the output of said generator, an alternating current rectifier in direct current, a direct current bus and a direct current inverter in alternating current output of said system, the output inverter of said system or the direct current bus comprising an arm connected to neutral, said output inverter further comprising a arm per phase of the polyphase alternating current at the output of said system, said rectifier being an active rectifier comprising at least one arm for each phase of a polyphase current at the output of said generator, each arm comprising at least one controllable switch, said system also comprising an electronic control unit configured to control said active rectifier with first control means of said at least one controllable switch of each arm, said system being remarkable in that the electronic control unit comprises means for monitoring a respective voltage upstream and downstream for the active rectifier and / or for the output inverter of said system and of the second control means of said output
- the integrated system realizes a fixed frequency electric generator via a polyphase synchronous machine with variable speed.
- the present invention is mainly intended for an integrated power supply system of one or a plurality of on-board electrical networks making it possible to guarantee a fixed frequency of supply current from the variable speed drive of a generator. , in particular coupled to a turbomachine shaft, with in addition the possibility of regulating the machine by a controlled rectifier, which could not be guaranteed by a system according to the state of the art.
- An active rectifier makes it possible to regulate the direct voltage at the output of the active rectifier, which was not possible with a passive rectifier of the state of the art. This makes it possible to protect the elements of the DC bus, in particular one or more capacitors, as well as the power components present in the system. The efficiency of the system is further improved.
- an electronic control unit had no action on the passive rectifier of this system, but only had an action on the inverter at the output of the system.
- the generator can be reversible.
- the active rectifier can be reversible by operating as an inverter by providing a polyphase power supply to the generator.
- Such a system operates as an electrical supply to an electrical network at the output of the system, but also of the generator, which provides it with a dual function and increases its possibilities of use.
- this system can be used for an electrical supply of one or a plurality of on-board electrical networks at the output or vice versa for starting the turbomachine or from a source of speed equivalent to one. turbomachine.
- Said controllable switch may be a transistor, an insulated gate bipolar transistor, a field effect transistor, or a metal-oxide gate field effect transistor.
- Each arm of the active rectifier can include at least two controllable switches. In other words, two controllable switches can be integrated into each of the arms of the active rectifier.
- the output inverter In a VSCF system of the state of the art with passive rectifier, the output inverter, with at least three arms, being able to have as many arms as there are output phases, does not make it possible to ensure management of the neutral in the system.
- the rectifier at the output of the generator and the generator are not subject to the impact of short circuits which may occur on the polyphase electrical network at the output and do not need to be oversized.
- Neutral management is performed by the inverter at the output of the system.
- the inverter modules can be oversized to withstand any short circuits on the output side of the system to the external electrical network.
- the DC bus voltage can be 540 volts.
- An additional arm can be provided for the power electronics of the electronic control unit with more complex control.
- the arm connected to neutral can be configured to divide the DC bus into two parts, each part of the DC bus having a capacitor.
- a capacitor can be positioned in each of the two parts of the direct current bus.
- the DC bus can be split into two portions of 270 Volts each at the capacitive midpoint of the DC bus.
- Neutral management is then carried out through the rectifier, the generator and / or the inverter at the output of the system, the inverter not requiring the addition of an additional arm.
- the generator and the rectifier can be sized to withstand short circuits.
- the arm connected to the neutral leaving the direct current bus can be connected to an arm connected to the neutral leaving the synchronous generator.
- the arm connected to neutral can be connected in the output inverter to an additional arm to the inverter arms associated respectively with a current phase, the additional arm comprising at least one controllable switch.
- the management of the power flow is ensured through control laws implemented in control cards of the electronic control unit and making it possible to ensure:
- FIG. 1 schematically represents a VSCF system according to the state of the art
- FIG. 2 schematically represents a VSCF system according to the present invention
- FIG. 3 schematically represents a power circuit of a VSCF system of the present invention with active rectifier and management of the neutral starting from the inverter at the output of the system,
- FIG. 4 diagrammatically represents the VSCF system of the present invention with active rectifier and management of the neutral starting from the inverter,
- FIG. 5 diagrammatically represents a VSCF system according to the present invention with an active rectifier and management of the neutral starting from the direct current bus.
- the present invention relates to a 1 VSCF system delivering at output a polyphase current of constant frequency from a synchronous generator 2, preferably with permanent magnets driven at variable speed.
- a polyphase current comprises at least three phases, it is therefore at least a three-phase current.
- This system can act as a fixed frequency electric generator via a polyphase synchronous machine with variable speed and be used in an aircraft, without this being limiting.
- the rotor of a synchronous electric generator 2 with polyphase permanent magnets, with a number of phases greater than or equal to 3 is driven by a mechanical shaft, for example a shaft of a speed source, in particular a turbomachine, at speeds of variable rotation. These rotational speeds depend on the operating speed of the turbomachine as a speed source and on the phase of flight of the aircraft when the turbomachine is on board the aircraft.
- This variable speed drive of the generator 2 generates at the level of the phases of its stator electromotive forces having variable electrical frequencies, given the variable speed of rotation, in other words the operating speed of the turbomachine.
- the member, not illustrated in this figure, driving the generator 2 can be a rotating turbomachine and delivering a mechanical power Pm.
- Frequency of the output current of generator 2 is variable and is referenced fv.
- the reference n indicates the number of current phases at the output of generator 2.
- the system 1 comprises successively, at the output of the generator 2, an alternating current rectifier 3 in direct current, a direct current bus 4 and a direct current inverter 5 AC output system 1.
- the frequency of the electric current referenced fc is substantially constant.
- the system 1 supplies electrically a network or external electrical networks 12.
- the conversion into fixed electric frequency is ensured by the insertion of two converters, namely an active rectifier 3 then an inverter 5, connected by a common direct current bus 4 between the phases of the generator 2 and the polyphase electrical output network 12, with a number of phases greater than or equal to 3.
- the rectifier 3 at the output of the generator 2 converts the AC electrical signals at the output of the generator 2 into DC signals.
- the inverter 5 at the output of system 1 converts the voltage of the direct current bus 4 into an alternating current of a defined number of alternating voltages, the number of phases at the output of system 1 being able to be different from the number of phases in output of generator 2 before rectifier 3.
- the inverter 5 at the output of the system 1 has at least as many arms as there are phases at the level of the electrical network at the output 12 of the system 1.
- FIG. 3 An exemplary embodiment of a voltage inverter 5 is given in particular in FIG. 3.
- a three-phase network with a neutralization arm 8 and an inverter 5 are chosen for the simplicity of the illustration. None prevents the use of other topologies of voltage inverters and / or of polyphase alternating current distribution network.
- the rectifier is an active rectifier 3 comprising at least one arm for each phase of a polyphase current at the output of the generator 2.
- Each arm comprises at least one controllable switch 6.
- the system 1 comprises an electronic control unit 7 controlling the active rectifier 3 with first control means of said at least one controllable switch 6 of each arm.
- the rectifier is said to be an active voltage rectifier 3 because it incorporates controllable switches 6 with at least one controllable switch 6 for each current phase at the output of the generator 2.
- FIG. 3 A topology of an active voltage rectifier 3 which can be used in the context of the present invention without being limiting is shown in FIG. 3.
- the active rectifier 3 can be reversible by operating as an inverter in order to ensure a polyphase electrical supply of the generator 2.
- an active reversible rectifier 3 allows the electronic control unit 7 to control a current supply via the system 1 operating in the opposite direction to that usually used, in order to be able to supply generator 2 by system 1 rather than generator 2 supplying system 1.
- generator 2 is no longer only in current generator mode. This was not possible with a passive rectifier 3a according to the state of the art previously shown in FIG. 1.
- the controllable switch or switches 6 of the rectifier 3 at the output of the generator 2 can be a transistor, an insulated gate bipolar transistor, a field effect transistor or a metal-oxide gate field effect transistor, known in particular under acronym IGBT or MOSFET. Other types of controllable switches 6 can also be implemented in the context of the present invention.
- the electronic control unit 7 can include means for monitoring a respective voltage upstream and downstream both for the active rectifier 3 and for the inverter 5 at the output of the system 1.
- the electronic control unit 7 can also include means for monitoring a current on each of the phases, both for the active rectifier 3 and for the inverter 5.
- the electronic control unit 7 can also include second means for controlling the inverter 5 at the output.
- the output inverter 5 comprises one arm per phase a, b, c of the polyphase alternating current at the output of the system 1, the non-limiting number of arms being three in these figures.
- the neutral phase is referenced n.
- Each arm per phase a, b, c of the output inverter 5 can include at least one controllable switch 6 controlled by the second control means of the electronic control unit 7, as shown in FIG. 2.
- the inverter 5 at the output does not ensure the management of the neutral in the system.
- the stator phases, represented in the non-limiting number of five and therefore five-phase, of a synchronous generator 2 can be connected to the midpoints of five arms of an active rectifier 3 at two voltage levels.
- the phases at the output of generator 2 are five in number and referenced a, b, c, d, e.
- the phases at the output of the inverter 5 are three in number and referenced a, b, c.
- the inverter 5 at the output of the system 1 or the direct current bus 4 may include an arm connected to neutral 8.
- the arm connected to neutral 8 starts from the inverter 5 at the output of system 1, while that in FIG. 5, the arm connected to neutral 8 leaves from the direct current bus 4 at a capacitive midpoint.
- the arm connected to neutral 8 can divide the direct current bus 4 into two parts, a capacitor 11a being able to be positioned in each of the two parts of the direct current bus 4.
- the connection of the arm connected to neutral 8 can be made at the capacitive midpoint of direct current bus 4, advantageously at 270 volts.
- the direct current bus 4 then comprises two capacitors 11a in series.
- the arm connected to neutral 8 starting from the direct current bus 4 can be connected to an arm connected to neutral 8a starting from the synchronous generator 2.
- the arm connected to neutral 8 can be connected in the inverter 5 at the output to an additional arm to the arms of the inverter 5 associated respectively with a phase a, b, c of the current, the additional arm possibly comprising at least one controllable switch 6a, advantageously two controllable switches 6a, as shown in FIG. 3.
- the direct current bus 4 only comprises a single capacitor 11a.
- the neutral of the electrical network can be managed in particular by a so-called 3D-SVM three-dimensional vector modulation strategy known by the Anglo-Saxon name of “Three Dimensional Space Vector Modulation”.
- the midpoint of the additional arm or arm connected to the neutral 8 can be connected to the midpoint of a star coupling of the filtering capacitors 11 at the output of the inverter 5 in the compatibility filter 9. electromagnetic. This also applies to an arm connected to neutral 8 leaving from direct current bus 4, as shown in figure 5.
- the direct current bus 4 of the system 1 can be placed at the output of the active voltage rectifier 3 and at the input of an active output inverter 5 at two voltage levels having, without limitation, four output arms. including three arms associated respectively with a phase a, b, c of the output current.
- the fourth arm which is the additional arm mentioned above, is used to manage the neutral of the electrical network by being an arm connected to neutral 8.
- the electromagnetic compatibility filter 9 can be sized to filter high frequency harmonics, for example multiples of 400 Hertz and harmonics linked to a switching frequency, multiples of this switching frequency.
- the electromagnetic compatibility filter 9 can include an arm for each phase a, b, c of the polyphase current at the output of the system 1.
- Each arm of each phase a, b, c can include an inductor 10.
- a capacitor 11 can be mounted in a bypass of each arm downstream of inductor 10, that is to say at a point on the arm closer to the output of system 1 than inductor 10.
- the arm connected to neutral 8 leaving either from the direct current bus 4 or from the inverter 5 at the output of the system 1 can be connected to each branch containing a capacitor 11 of the phase arms a, b, c of the electromagnetic compatibility filter 9.
- the arm connected to the neutral 8 can also be filtered in the electromagnetic compatibility filter 9 and can include an inductor, as shown in FIG. 3.
- the invention is in no way limited to the embodiments described and illustrated which have not been described. given only as examples.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1902569A FR3093876B1 (fr) | 2019-03-13 | 2019-03-13 | Système configuré pour délivrer un courant polyphasé de fréquence constante à partir d’une génératrice synchrone |
PCT/FR2020/050487 WO2020183102A1 (fr) | 2019-03-13 | 2020-03-10 | Système configuré pour délivrer un courant polyphasé de fréquence constante à partir d'une génératrice synchrone |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3939153A1 true EP3939153A1 (fr) | 2022-01-19 |
Family
ID=67262641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20725867.4A Pending EP3939153A1 (fr) | 2019-03-13 | 2020-03-10 | Système configuré pour délivrer un courant polyphasé de fréquence constante à partir d'une génératrice synchrone |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220181957A1 (fr) |
EP (1) | EP3939153A1 (fr) |
FR (1) | FR3093876B1 (fr) |
WO (1) | WO2020183102A1 (fr) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6030200B2 (ja) * | 1975-08-22 | 1985-07-15 | サンドストランド・コーポレーシヨン | 同期発電機 |
CA1097738A (fr) * | 1976-08-20 | 1981-03-17 | Westinghouse Electric Corporation | Methode de desexcitation rapide d'une excitatrice sans balai |
US4622629A (en) * | 1984-10-12 | 1986-11-11 | Sundstrand Corporation | Power supply system with improved transient response |
EP0244186A3 (fr) * | 1986-04-29 | 1989-03-08 | David C. Hoffmann | Alimentation de puissance électronique |
WO2006121425A2 (fr) * | 2005-05-05 | 2006-11-16 | Atlas Marine Systems, Lp | Systeme et procede de conversion d'energie electrique |
US7573732B2 (en) * | 2007-05-25 | 2009-08-11 | General Electric Company | Protective circuit and method for multi-level converter |
US8198742B2 (en) * | 2007-12-28 | 2012-06-12 | Vestas Wind Systems A/S | Variable speed wind turbine with a doubly-fed induction generator and rotor and grid inverters that use scalar controls |
US7952896B2 (en) * | 2008-08-20 | 2011-05-31 | Hamilton Sundstrand Corporation | Power conversion architecture with zero common mode voltage |
DK177684B1 (en) * | 2012-12-21 | 2014-03-03 | Envision Energy Denmark Aps | Wind turbine having a HTS generator with a plurality of phases |
US9590521B2 (en) * | 2014-07-28 | 2017-03-07 | Hamilton Sundstrand Corporation | Power converters for aircraft starter/generators |
US9667189B2 (en) * | 2015-08-27 | 2017-05-30 | Abb Schweiz Ag | Control of electrically excited synchronous machine drives for ride through and controlled braking operations |
CN107743678B (zh) * | 2015-12-09 | 2019-12-31 | 富士电机株式会社 | 电力变换装置 |
US10148206B2 (en) * | 2016-06-27 | 2018-12-04 | General Electric Company | Controlling operation of a power converter based on grid conditions |
US20180043790A1 (en) * | 2016-08-15 | 2018-02-15 | Hamilton Sundstrand Corporation | Active rectifier topology |
WO2018139172A1 (fr) * | 2017-01-25 | 2018-08-02 | 株式会社日立製作所 | Dispositif et procédé de conversion d'énergie |
CN113424435A (zh) * | 2018-09-20 | 2021-09-21 | 赛峰电力美国有限责任公司 | 使用瞬时条件弹性纹波混合器的发电机控制 |
-
2019
- 2019-03-13 FR FR1902569A patent/FR3093876B1/fr active Active
-
2020
- 2020-03-10 EP EP20725867.4A patent/EP3939153A1/fr active Pending
- 2020-03-10 WO PCT/FR2020/050487 patent/WO2020183102A1/fr unknown
- 2020-03-10 US US17/437,308 patent/US20220181957A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2020183102A1 (fr) | 2020-09-17 |
FR3093876A1 (fr) | 2020-09-18 |
FR3093876B1 (fr) | 2022-01-21 |
US20220181957A1 (en) | 2022-06-09 |
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