FR3026384A1 - SUBMARINE ENGINE WITH MULTINIVE POWER SUPPLY NETWORK - Google Patents

SUBMARINE ENGINE WITH MULTINIVE POWER SUPPLY NETWORK Download PDF

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Publication number
FR3026384A1
FR3026384A1 FR1402189A FR1402189A FR3026384A1 FR 3026384 A1 FR3026384 A1 FR 3026384A1 FR 1402189 A FR1402189 A FR 1402189A FR 1402189 A FR1402189 A FR 1402189A FR 3026384 A1 FR3026384 A1 FR 3026384A1
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Prior art keywords
voltage
switching means
voltages
source
output
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FR1402189A
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French (fr)
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FR3026384B1 (en
Inventor
Emmanuel Jannin
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Naval Group SA
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DCNS SA
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Priority to FR1402189A priority Critical patent/FR3026384B1/en
Priority to PCT/EP2015/072400 priority patent/WO2016050762A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/08—Propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/19—Switching between serial connection and parallel connection of battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/32—Waterborne vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/42—The network being an on-board power network, i.e. within a vehicle for ships or vessels
    • 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
    • H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un engin sous-marin muni d'un réseau d'alimentation en énergie électrique comprenant au moins deux sources (1, 2) de tension à courant continu à base de batteries Lithium-ion, une première source (1) étant apte à délivrer une première tension (U1), et une deuxième source (2) étant apte à délivrer une deuxième tension (U2), des moyens de commutation (3) connectés en entrée à chaque source de tension continue (1, 2), les moyens de commutation (3) étant aptes à délivrer au choix l'une de trois tensions continues de sortie parmi la première tension (U1), la deuxième tension (U2), et une troisième tension égale à la somme de la première tension (U1) et de la deuxième tension (U2), au moins un onduleur continu/alternatif DC/AC (4), dans lequel sont intégrés les moyens de commutation (3), pour fournir une tension alternative de sortie (UN) au choix parmi des tensions obtenues à partir des trois tensions continues en sortie des moyens de commutation (3) et d'une tension nulle.The invention relates to an underwater vehicle provided with an electrical energy supply network comprising at least two sources (1, 2) of DC voltage based on Lithium-ion batteries, a first source (1) being capable of delivering a first voltage (U1), and a second source (2) being able to deliver a second voltage (U2), switching means (3) connected at input to each DC voltage source (1, 2), the switching means (3) being able to optionally deliver one of three DC output voltages among the first voltage (U1), the second voltage (U2), and a third voltage equal to the sum of the first voltage ( U1) and the second voltage (U2), at least one DC / AC DC / AC inverter (4), in which the switching means (3) are integrated, for supplying an alternating output voltage (UN) of voltages obtained from the three DC voltages at the output of the communication means utation (3) and a zero voltage.

Description

Engin sous-marin muni d'un réseau d'alimentation multiniveaux La présente invention concerne un engin sous-marin tel qu'un sous-marin proprement dit. Ce type d'engins sous-marin est muni de moyens électriques de propulsion, tels qu'un moteur de propulsion, alimentés à partir d'un réseau de distribution électrique découpé en bords. Un tel engin sous-marin embarque également une grande quantité de sources de stockage d'énergie électrique à tension continue, par exemple à base de batteries Lithium-ion.The present invention relates to an underwater vehicle such as a submarine itself. This type of underwater vehicle is provided with electric propulsion means, such as a propulsion engine, fed from an electrical distribution network cut into edges. Such an underwater vehicle also carries a large amount of DC voltage electrical energy storage sources, for example based on Lithium-ion batteries.

Les moyens électriques de propulsion, notamment le moteur de propulsion de l'engin sous-marin, sont alimentés par des convertisseurs dont le but est de transformer le courant continu issu des sources de stockage en courant alternatif dont la fréquence et l'amplitude sont variables en fonction de la vitesse de rotation requise pour ces moyens de propulsion.The electric propulsion means, in particular the propulsion engine of the underwater vehicle, are powered by converters whose purpose is to transform the direct current from storage sources into alternating current whose frequency and amplitude are variable. depending on the speed of rotation required for these means of propulsion.

Par ailleurs, la force électromotrice étant proportionnelle à la vitesse de rotation des moyens de propulsion, pour une vitesse de rotation des moyens de propulsion faible, la tension d'alimentation des convertisseurs doit être assez basse pour minimiser les commutations des composants électroniques pilotés par les convertisseurs, et donc les pertes dans les convertisseurs.Moreover, the electromotive force being proportional to the rotational speed of the propulsion means, for a low propulsion means rotation speed, the supply voltage of the converters must be low enough to minimize the switching of the electronic components controlled by the drives. converters, and therefore the losses in the converters.

Pour cela, on connaît de l'état de la technique deux modes de couplage des batteries des sources de stockage en fonction des vitesses de rotation requises des moyens électriques de propulsion. Ainsi, lorsque les vitesses de rotation requises sont inférieures ou égales à une valeur seuil, un premier mode de couplage consistant à mettre les batteries en parallèle est mis en oeuvre de sorte que les convertisseurs soient alimentés par la tension du réseau. Par contre, lorsque les vitesses de rotation requises sont supérieures à la valeur seuil, un deuxième mode de couplage consistant à mettre les batteries en série est mis en oeuvre de sorte que les convertisseurs soient alimentés par la somme des tensions de chacune des batteries. Cette fonction de mise en série des batteries est réalisée par un combinateur situé dans une armoire de propulsion alimentant les convertisseurs d'alimentation des moyens de propulsion. Cependant, la limite de cette solution se situe au niveau de la commutation entre les deux modes de couplage.For this, there are known from the state of the art two modes of coupling the batteries of the storage sources according to the rotational speeds required of the electric propulsion means. Thus, when the required rotational speeds are less than or equal to a threshold value, a first coupling mode consisting in putting the batteries in parallel is implemented so that the converters are powered by the mains voltage. On the other hand, when the required rotation speeds are greater than the threshold value, a second coupling mode of putting the batteries in series is implemented so that the converters are powered by the sum of the voltages of each of the batteries. This function of placing the batteries in series is performed by a combiner located in a propulsion cabinet supplying the power converters of the propulsion means. However, the limit of this solution lies in the switching between the two coupling modes.

En effet, le passage d'une configuration à une autre nécessite d'appliquer un séquentiel complexe et de longue durée. Dans certaines situations où ce séquentiel est jugé très risqué, l'équipage choisit alors de rester dans le mode de couplage courant.Indeed, the transition from one configuration to another requires the application of a complex and long-lasting sequential. In certain situations where this sequence is considered very risky, the crew then chooses to remain in the current coupling mode.

Ainsi, dans ces situations, si le mode de couplage courant est le premier mode de couplage, la vitesse de rotation atteinte par les moyens de propulsion est alors limitée à la valeur seuil, ce qui limite fortement les capacités opérationnelles du sous-marin notamment en terme de vitesse. Le but de l'invention est donc de résoudre ces problèmes.Thus, in these situations, if the current coupling mode is the first coupling mode, the speed of rotation achieved by the propulsion means is then limited to the threshold value, which greatly limits the submarine's operational capabilities, particularly in speed term. The object of the invention is therefore to solve these problems.

A cet effet l'invention a pour objet un engin sous-marin muni d'un réseau d'alimentation en énergie électrique comprenant : au moins deux sources de tension à courant continu à base de batteries Lithium-ion, une première source étant apte à délivrer une première tension, et une deuxième source étant apte à délivrer une deuxième tension, des moyens de commutation connectés en entrée à chaque source de tension continue, les moyens de commutation étant aptes à délivrer au choix l'une de trois tensions continues de sortie parmi : o la première tension, o la deuxième tension, et o une troisième tension égale à la somme de la première tension et de la deuxième tension, au moins un onduleur continu/alternatif DC/AC, dans lequel sont intégrés les moyens de commutation, pour fournir une tension alternative de sortie au choix parmi des tensions obtenues à partir des trois tensions continues en sortie des moyens de commutation et d'une tension nulle. L'engin sous-marin selon l'invention peut comporter la caractéristique suivante : les moyens de commutation et l'onduleur mettent en oeuvre des organes de commutation à semi-conducteur pilotés. L'invention sera mieux comprise à l'aide de la description qui va suivre donnée uniquement à titre d'exemple et faite en se référant au dessin annexé qui représente un schéma synoptique illustrant la structure et le fonctionnement d'un réseau d'alimentation en énergie électrique d'un engin sous-marin selon l'invention. Un tel engin sous-marin comporte au moins deux sources 1, 2 de tension en courant continu comprenant des moyens de stockage d'énergie électrique à base de batteries Lithium-ion.To this end, the subject of the invention is an underwater vehicle equipped with an electrical energy supply network comprising: at least two sources of DC voltage based on lithium-ion batteries, a first source being suitable for supplying a first voltage, and a second source being able to deliver a second voltage, switching means connected at input to each DC voltage source, the switching means being able to deliver one of three output DC voltages as desired; among: o the first voltage, o the second voltage, and o a third voltage equal to the sum of the first voltage and the second voltage, at least one DC / AC DC / AC inverter, in which the switching means are integrated to provide an alternating output voltage of choice among voltages obtained from the three DC voltages at the output of the switching means and of a zero voltage. The underwater vehicle according to the invention may comprise the following characteristic: the switching means and the inverter implement controlled semiconductor switching devices. The invention will be better understood from the following description given solely by way of example and with reference to the appended drawing which represents a block diagram illustrating the structure and operation of a power supply network. electrical energy of an underwater vehicle according to the invention. Such an underwater vehicle comprises at least two DC voltage sources 1, 2 comprising electrical energy storage means based on lithium-ion batteries.

La première source 1 est apte à délivrer une première tension U1 et la deuxième source 2 est apte à délivrer une deuxième tension U2. Ces sources 1, 2 de tension sont raccordées en entrée de moyens de commutation 3, ces moyens de commutation 3 étant aptes à délivrer au choix l'une de trois tensions continues de sortie parmi la première tension U1, la deuxième tension U2 et une troisième tension, cette troisième tension étant égale à la somme de la première tension U1 et de la deuxième tension U2. Ces moyens de commutation 3 sont par exemple des moyens de commutation multiniveaux à semi-conducteur de type classique.The first source 1 is able to deliver a first voltage U1 and the second source 2 is able to deliver a second voltage U2. These sources 1, 2 of voltage are connected to the input of switching means 3, these switching means 3 being able to optionally deliver one of three DC output voltages among the first voltage U1, the second voltage U2 and a third voltage, this third voltage being equal to the sum of the first voltage U1 and the second voltage U2. These switching means 3 are, for example, conventional multi-level semiconductor switching means.

Ces moyens de commutation 3 sont de façon générale intégrés dans un onduleur DC/AC 4, DC/AC étant l'acronyme de « continu/alternatif » en entrée de celui-ci. Cet onduleur DC/AC 4 est propre à fournir une tension alternative de sortie UN, au choix parmi des tensions obtenues à partir des trois tensions continues en sortie des moyens de commutation 3 telles que décrites précédemment et d'une tension nulle.These switching means 3 are generally integrated in a DC / AC 4 inverter, DC / AC being the acronym for "DC / AC" input of it. This DC / AC inverter 4 is able to provide an AC output voltage UN, optionally among voltages obtained from the three DC voltages at the output of the switching means 3 as previously described and of a zero voltage.

Les moyens de commutation 3 et l'onduleur DC/AC 4 mettent en oeuvre des organes de commutation pilotés tels que des IGBT, IGBT étant l'acronyme anglais de «Insulated Gate Bipolar Transistor ». Les moyens de commutation 3 et l'onduleur DC/AC 4 forment par exemple des convertisseurs multiniveaux à structure NPC, NPC étant l'acronyme de « Neutral Point 20 Clam ped ». En effet, de tels convertisseurs offrent l'avantage de réduire le contenu harmonique des courants alternatifs en sortie des onduleurs. Ainsi, une telle disposition des moyens de commutation 3 et de l'onduleur 4 permet d'alimenter les moyens de propulsion électrique de l'engin sous-marin avec une 25 tension égale à celle de l'une des batteries ou avec une tension résultant de la somme des tensions de plusieurs batteries en série en fonction de la vitesse de rotation requise pour les moyens de propulsion. Ceci permet par exemple de tenir compte de la vitesse souhaitée de déplacement de l'engin, en toute sécurité et avec une réaction immédiate.The switching means 3 and the DC / AC inverter 4 implement controlled switching devices such as IGBTs, IGBT being the acronym for "Insulated Gate Bipolar Transistor". The switching means 3 and the DC / AC inverter 4 form, for example, multilevel converters with an NPC structure, NPC being the acronym for "Neutral Point 20 Clam ped". Indeed, such converters offer the advantage of reducing the harmonic content of the alternating currents at the output of the inverters. Thus, such an arrangement of the switching means 3 and the inverter 4 makes it possible to feed the electric propulsion means of the underwater vehicle with a voltage equal to that of one of the batteries or with a resulting voltage the sum of the voltages of several batteries in series according to the speed of rotation required for the propulsion means. This allows for example to take into account the desired speed of movement of the machine, safely and with an immediate reaction.

30 Bien entendu d'autres modes de réalisation peuvent encore être envisagés.Of course, other embodiments can still be envisaged.

Claims (2)

REVENDICATIONS1.- Engin sous-marin muni d'un réseau d'alimentation en énergie électrique comprenant : au moins deux sources (1,CLAIMS1.- Subsea craft provided with an electrical power supply network comprising: at least two sources (1, 2) de tension à courant continu à base de batteries Lithium-ion, une première source (1) étant apte à délivrer une première tension (U1), et une deuxième source (2) étant apte à délivrer une deuxième tension (U2), des moyens de commutation (3) connectés en entrée à chaque source de tension continue (1, 2), les moyens de commutation (3) étant aptes à délivrer au choix l'une de trois tensions continues de sortie parmi : o la première tension (U1), o la deuxième tension (U2), et o une troisième tension égale à la somme de la première tension (U1) et de la deuxième tension (U2), au moins un onduleur continu/alternatif DC/AC (4), dans lequel sont intégrés les moyens de commutation (3), pour fournir une tension alternative de sortie (UN) au choix parmi des tensions obtenues à partir des trois tensions continues en sortie des moyens de commutation (3) et d'une tension nulle. 2.- Engin sous-marin selon la revendication 1, caractérisé en ce que les moyens de commutation (3) et l'onduleur (4) mettent en oeuvre des organes de commutation à semi-conducteur pilotés.2) DC voltage based on lithium-ion batteries, a first source (1) being able to deliver a first voltage (U1), and a second source (2) being able to deliver a second voltage (U2), switching means (3) connected at input to each DC voltage source (1, 2), the switching means (3) being able to deliver one of three DC output voltages from among: o the first voltage (U1), o the second voltage (U2), and o a third voltage equal to the sum of the first voltage (U1) and the second voltage (U2), at least one DC / AC DC / AC inverter (4) , in which the switching means (3) are integrated, for supplying an alternating output voltage (UN) of one of the voltages obtained from the three DC voltages at the output of the switching means (3) and of a zero voltage. . 2.- underwater vehicle according to claim 1, characterized in that the switching means (3) and the inverter (4) implement actuated semiconductor switching devices.
FR1402189A 2014-09-29 2014-09-29 UNDERWATER MACHINE EQUIPPED WITH A MULTI-LEVEL SUPPLY NETWORK Active FR3026384B1 (en)

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FR1402189A FR3026384B1 (en) 2014-09-29 2014-09-29 UNDERWATER MACHINE EQUIPPED WITH A MULTI-LEVEL SUPPLY NETWORK
PCT/EP2015/072400 WO2016050762A1 (en) 2014-09-29 2015-09-29 Underwater vehicle provided with a multi-level power supply network

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Cited By (1)

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WO2018232183A1 (en) 2017-06-14 2018-12-20 Hadal, Inc. Systems and methods for reducing parasitic power losses by an energy source

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DE102010041001A1 (en) * 2010-09-20 2012-03-22 Sb Limotive Company Ltd. Battery with integrated DC / AC converter
DE102012202855A1 (en) * 2012-02-24 2013-08-29 Robert Bosch Gmbh Direct voltage tap assembly for energy storage device for electrical propulsion system, has boost converter located between half-bridge circuits based on potential difference between circuits and direct current voltage
DE102012208349A1 (en) * 2012-05-18 2013-11-21 Robert Bosch Gmbh Method for adjusting states of charge of battery modules of lithium ion battery for operating electric motor for drive system of vehicle, involves discharging first battery modules in addition to second battery modules to operate motor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010041001A1 (en) * 2010-09-20 2012-03-22 Sb Limotive Company Ltd. Battery with integrated DC / AC converter
DE102012202855A1 (en) * 2012-02-24 2013-08-29 Robert Bosch Gmbh Direct voltage tap assembly for energy storage device for electrical propulsion system, has boost converter located between half-bridge circuits based on potential difference between circuits and direct current voltage
DE102012208349A1 (en) * 2012-05-18 2013-11-21 Robert Bosch Gmbh Method for adjusting states of charge of battery modules of lithium ion battery for operating electric motor for drive system of vehicle, involves discharging first battery modules in addition to second battery modules to operate motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018232183A1 (en) 2017-06-14 2018-12-20 Hadal, Inc. Systems and methods for reducing parasitic power losses by an energy source
EP3638534A4 (en) * 2017-06-14 2021-03-24 Hadal, Inc. Systems and methods for reducing parasitic power losses by an energy source

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