WO2016135336A1 - Moteur à courant continu/générateur à réglage de puissance intégré, et circuit de commande pour moteur à courant continu - Google Patents

Moteur à courant continu/générateur à réglage de puissance intégré, et circuit de commande pour moteur à courant continu Download PDF

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Publication number
WO2016135336A1
WO2016135336A1 PCT/EP2016/054166 EP2016054166W WO2016135336A1 WO 2016135336 A1 WO2016135336 A1 WO 2016135336A1 EP 2016054166 W EP2016054166 W EP 2016054166W WO 2016135336 A1 WO2016135336 A1 WO 2016135336A1
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WO
WIPO (PCT)
Prior art keywords
power
motor
control
voltage
circuit
Prior art date
Application number
PCT/EP2016/054166
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German (de)
English (en)
Inventor
Hans SCHWÖLLER
Original Assignee
Schwöller Hans
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schwöller Hans filed Critical Schwöller Hans
Publication of WO2016135336A1 publication Critical patent/WO2016135336A1/fr

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Classifications

    • 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
    • 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
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations

Definitions

  • the invention relates to a brushless DC motor / generator and a control circuit for a DC motor.
  • DE 3 914 082 A1 discloses an electronically commutated electric motor with a stator having at least one stator winding, a rotor having magnetized regions, a sensor element on the stator for detecting the position of the magnetized regions and an electronic control device for exciting the at least one stator winding depending on the sensor signals.
  • two stator windings are provided which are alternately energized by the electronic control device, wherein the flooding of both stator windings is provided during the commutation process control of the circuit element.
  • a voltage regulator is provided, which is connected to a positive and a negative pole of a supply voltage source. This voltage regulator supplies a Hall element, an amplifier, a z. B.
  • GB 2 515 318 A discloses an inverter for an electric motor or a generator. With this inverter, it should be possible to minimize a current loop area within an inverter. In particular, the current loop area is to be reduced by arranging the switches of the inverter in such a way that a connection of positive and negative power lines to one terminal of an inverter are arranged side by side on one side of a printed circuit board, one phase winding of the electric motor being connected to one terminal of the circuit board Inverter is connected to the opposite side of the circuit board. Furthermore, control devices are provided which are modular.
  • the controllers include a circuit board in which two power substrate assemblies, a control circuit board, four power rails for connecting to a DC battery, and six phase winding rails for connecting to respective coil windings.
  • a control circuit board for controlling the power of the motor is arranged.
  • This motor has a single power supply to three power semiconductors. These power semiconductors distribute the signals sent via the distributor to the individual coils.
  • the control of brushless DC motors is usually such that the magnetic coils are connected in a star connection. In each case, a coil acts magnetically attractive, with a second coil acts magnetically repulsive.
  • the third coil is not used for the performance, however, in sensorless controls, the induction voltage can be used to detect the rotor position.
  • Fig. 6 shows in simplified form the circuit (schematic diagram) of a conventional BLDC motor control.
  • the coils A, B and C are subjected to voltage such that a rotating field results.
  • the individual stages of the electronic commutation are designated 1, 2 and 3.
  • Object of the present invention is to provide a more efficient and powerful DC motor / generator and a control circuit for a DC motor.
  • a DC motor with a rotor with permanent magnets and a stator with electromagnets is provided with at least one substantially annular power board, which has two poles for applying an input voltage, and a controller, which is designed to control the power board such that the input voltage is applied to the electromagnet so that the rotor is applied a desired torque.
  • a substantially annular power board is understood to mean a circuit board which can also be subdivided into a plurality of segments, but which has a substantially closed annular shape.
  • a brushless DC motor is provided in which the electronic commutation of the individual coils is not generated in a separate actuator or controller, but directly in the motor housing.
  • control components from the electronics, the control wiring to the plug units and the FET drives located in the motor are redundant and therefore much more reliable.
  • the main advantage of this concept is that you do not have to take the two plus and minus wires to an external controller to create the commutation, then go to the motor with three wires.
  • the DC voltage is fed directly from the power source (generator, battery, accumulator, supercapacitor, or the like) to the motor, whereby a conductor can be completely saved. This saves 50% of the cable weight as well as the entire housing weight of the controller and also significantly reduces production costs.
  • the invention is characterized in that all around behind or inside the motor, the main supply by means of conductive rings, e.g. Copper or aluminum rings, takes place.
  • conductive rings e.g. Copper or aluminum rings
  • any number of accumulators or energy sources can be coupled directly to the motor independently of one another. That with several batteries or the like.
  • the energy of each battery can be supplied directly to the conductors of the motor.
  • the supply line rings can be connected to the control ring with heat-conducting elements via electrical insulators, as a result of which they can also be used as heat sinks for the power semiconductors.
  • the power semiconductor switches are located on the opposite side of the regulator ring and are on one, two or more ring segment-shaped electronic boards arranged.
  • the connection of the power semiconductor switch with the lead rings can be done via a crimp-crimp connection in the lead rings.
  • soldered on the electronic boards supply mandrels that protrude over larger holes (isolation distance) in the control ring in the supply line rings.
  • In the supply cable rings are selected so that the supply pins can be pressed here by means of a pin or a crimping element. This eliminates any soldering and cabling work for these connections.
  • These supply pins can be connected in any number of the controller board through the holes in the control ring with the lead rings, which very high power can be performed over the shortest possible leads to the semiconductors.
  • the fully populated regulator ring can be connected to it so that there is a good heat transfer from the regulator ring to the stator ring.
  • the possibility of a one-piece production of stator and regulator part is of course also possible. Especially with the automatic winding of the motor coils, however, this brings with it limitations and disadvantages. In addition, the varnish- and coil part could not be replaced separately in case of damage.
  • the coil wires are connected to the electronics via the crimp pins. This also allows any time-consuming soldering be avoided. In addition, crimped connections provide a much safer and more durable connection than solder joints. However, a connection of the coil conductor with the power controller part is also possible as a plug connection.
  • the power semiconductor switches take on the one hand the electronic commutation of the coils, whereby very high performance with very good efficiencies and minimal space are possible.
  • the generator function of the motor-generator unit can be realized via power semiconductor switch. By controlling the power semiconductor switch during the generator operation of the engine also eliminates any external charge controller.
  • the rectification can be done via bridge or diode rectifier, wherein the charge control is possible by one or more semiconductor switches on the power board.
  • the electronic control of the power semiconductor switches can be arranged directly on the electronic boards.
  • the advantage may be to position the control unit at a distance from the engine in a protected environment.
  • This control unit can be connected to the motor unit by means of a multi-pole cable, a bus cable or also by optical fiber, by radio or in another way.
  • the control part can be designed to be simple or multiple redundant. Due to the redundancy of the controller part, connecting cable with plug connections and the control electronics on the power unit, the drive unit can be designed very reliable.
  • Fig. 11 shows an example of the redundant control of the motor.
  • the two-controller units receive the operating information by means of a CAN bus, for example. fertil, by an analog signal or eg by a PWM signal.
  • the controllers are each connected by a separate connection to the power controller board through cables and plugs, a radio link or the like.
  • the two control electronics for the semiconductor switches eg FETs
  • the signal feedback for the position message of the rotor to the controller unit is duplicated.
  • the processed signals are conducted to the semiconductor switches via ring-shaped circulating signal lines.
  • Each FET group (12 FETs) can switch to the other bundle if one signal line bundle fails to maintain full motor performance, even if one entire controller unit, cable, or plug connection to the motor fails.
  • FIG. 12 A somewhat simplified solution is shown in FIG. 12.
  • the signal bundles are only halfway around the power board. That in case of failure of a controller, cable, etc., only half of the power would be available here, since the power semiconductors of the failed side also fail.
  • the current can be switched through according to the commutation to be carried out directly to the motor coils.
  • This special circuit technology ensures that each individual coil of the motor can be applied directly to the supply voltage in a simple manner.
  • Another advantage of this design is that the semiconductor switches for switching the coil current via a support member (control ring) are connected to the housing of the stator. Since the stator is cooled either by air or water cooling, the power loss of the semiconductor switches can be derived without additional heat sink.
  • a special feature of the invention is that the motor housing ie stator and rotor are grounded.
  • the separate leads to the feed rings are supplied with a voltage of +60 volts and -60 volts. This means that the power They do not switch to ground but switch +60 volts and -60 volts directly to the coils. As a result, the coils can be charged with 120 volts, although you move in the extra-low voltage range of the motor.
  • Only the feeder rings must be insulated so as to prevent simultaneous direct contact with the feeder rings.
  • the voltage division to + 60 and - 60 volts ensures that the protection devices can be designed according to the provisions of low voltage or low voltage.
  • each individual coil is at the full voltage, ie, for example, 2x 60 volts equals 120 volts, which requires only half the cable cross-sections for the same motor power.
  • the engine may have a radial compressor which provides compressed air for cooling the cables.
  • the supply cables can be surrounded by a thin-walled cooling hose, through which cooling air is blown through the cables from the motor side.
  • the supply cable can be kept at a low temperature level, even at maximum output, and thereby again dimensioned lower or loaded with higher current for the same line cross-section.
  • the + 60 / -60 volt operation could cause a supply cable to ground (housing), which then results in a voltage potential of 120 volts with respect to the other supply to the housing.
  • a distributor of the DC motor is designed such that it serves to distribute the power supply in order to ensure the full supply of power around the circumference
  • a protective circuit can be provided in the supply line which uses one, two or even all three of the following protective functions:
  • the current in the ground connection cable from the accumulator to the housing of the motor is measured. If the voltage level of a supply cable were to ground due to a defect, this would cause a battery short circuit and the short-circuit current would flow to the accumulator via the ground connection. So increases the current flow in the ground cable, so the supply to the motor is interrupted immediately.
  • the current is measured via the two plus and minus leads. If the two currents are not exactly equal, then the supply line is interrupted as well.
  • the voltage is measured in each case between the supply lines and the ground. If this is not the same, this means that the ground potential is no longer in the middle between the positive and negative supply and somewhere a supply cable must have a connection to the ground. Also in this case, the supply line is interrupted.
  • a control circuit for a DC motor with a power control device comprising a single coil circuit by means of power semiconductor switch (FETs) is provided, wherein the power semiconductor switches are designed such that each coil of the DC motor can be acted upon separately with a supply voltage, so that all coils can be acted upon by the full supply voltage ,
  • FETs power semiconductor switch
  • the control circuit can have at least six control lines for driving input side power semiconductor switches (FETs), so that the supply voltage is applied to the respective coil and that at least six control lines for driving the power semiconductor switches (FETs) are provided for ground connection. see are the current flows back to the ground-side of a power source.
  • FETs input side power semiconductor switches
  • the control circuit may have a voltage reduction circuit which is designed such that the input-side FETs are connected in cross-over with the FETs to the ground connection, so that the drive voltage is conducted via this cross-connection from the input-side FETs to the FETs to the ground connection , In this way, six control lines for driving by means of a control device are sufficient.
  • the circuit may comprise three further power semiconductor switches (FETs) for switching between normal operation (star connection) and single coil circuit, so that the DC motor can be operated either in normal operation or by means of the single coil circuit.
  • FETs power semiconductor switches
  • the control circuit may include a power board with each solenoid directly connected to the power control board.
  • a DC motor according to the invention is provided with a control circuit according to the invention.
  • FIG. 1 shows a direct current motor in a perspective view looking towards the rotor
  • FIG. 2 shows the DC motor from FIG. 1 in a perspective view looking towards the stator
  • FIG. 3 shows a section through a portion of the DC motor of FIG. 1, 4 shows a section through a region of a further embodiment of a DC motor, FIG. 5 shows a section through a region of a further embodiment of a DC motor,
  • FIG. 6 shows a schematic diagram of a circuit diagram of a control circuit known from the prior art
  • FIG. 7 shows a schematic diagram of a circuit diagram of a control circuit according to the invention
  • FIG. 9 a schematic diagram of a circuit diagram of a third exemplary embodiment of a control circuit according to the invention which is extended by three FETs,
  • FIG. 10 is a schematic diagram of the arrangement of coil triplets of a Gelichstrommotors
  • Fig. 1 shows an example of a redundant control of a DC motor
  • Fig. 12 is a simplified embodiment of the controller of Figure 11.
  • a DC motor 1 according to a first embodiment has a rotor 2 and a stator 3.
  • the rotor 2 is formed from a front-side annular disc 4, a cylinder wall 5 and a connecting ring 6.
  • the connecting ring 6 is arranged on the circumference of the annular disc 4 and connected to an edge of the cylinder wall 5.
  • At the connecting ring through holes 7 are at regular intervals educated. By arranging a radial fan is formed, which sucks in cooling air and flows radially outward.
  • Permanent magnets 8 are arranged at regular intervals on the inside of the cylinder wall.
  • the permanent magnets are formed as rectangular plates.
  • an inner ring 9 is arranged, which is rotatably connected to the rotor 2 and rotates together with this.
  • the stator 3 has lead rings 10, 1 1 made of a good electrically conductive material, such as. Copper or aluminum or a copper or aluminum-containing alloy are formed.
  • the two supply lines 10, 1 1 are radially spaced from each other. Between the rings 10, 1 1, an electrical insulator may be arranged.
  • the two rings 10, 1 1 are mounted on a control ring 12, wherein they are electrically isolated from this.
  • the stator housing defines an annular cavity in which power boards 13 are located. Each power board has multiple high power semiconductor switches.
  • the stator 3 has a plurality of electromagnets 14, each consisting of a coil 15 and a core 16.
  • the magnets 14 are each aligned in the radial direction. In the present embodiment, 40 magnets 8 and 36 electromagnets 14 are provided. Due to the different number of magnets 8 and electromagnets 14, there is no dead center. Preferably, the number of magnets 8 and the electromagnets 14 is an integer multiple of three.
  • the electromagnets 14 are formed from an annular laminated core and in each case fixed radially on the outside on an annular base body 17 of the stator 3.
  • the base body 17 has a hollow channel through which cooling water can be passed.
  • the base body 17 is fastened with one end face to the stator housing 12 and has a ball bearing 18 on the other end face area. In place of the cavity and slats can be provided, which provides effective air cooling cause. With the ball bearing, the base body 17 and thus the stator 3 rotatably supported on the inner ring 9 of the rotor 2 from.
  • an annular power board 13 is arranged.
  • This power board has at least 6 high-power semiconductor switches for every 3 electromagnets which switch an electrical connection between the ends of the coils 15 and the supply rings 10, 11.
  • the high-power semiconductor switches are switched such that the coils 15 of the electromagnets 14 can be acted upon by the voltage applied to the supply line rings 10, 11, the voltage also being able to be reversed.
  • the electromagnets can thus be switched into three states, with the north pole radially outside, with the south pole radially outside and unmagnetized.
  • the power boards 13 are connected via control lines 19 to a controller (not shown). Furthermore, one or more magnetic field sensors 20, e.g. Hall sensors, arranged on the stator adjacent to the magnets 8 of the rotor 2 and connected to a line to the controller.
  • the controller can detect the rotational position of the rotor 2 on the basis of the signal from the magnetic field sensors 20 and, based on the rotational position of the rotor, the electromagnets 14 are subjected to voltage such that they exert a desired torque on the rotor 2.
  • This brushless Gelichstrommotors can also be used as a generator, in particular DC generator.
  • DC generator for the conduction of the energy generated to an accumulator or consumer also power semiconductor switches can be provided.
  • the power board 13 is equipped on both sides with high-power semiconductor switches.
  • the embodiment shown in Fig. 4 corresponds to that of Figure 3, but here the power board 13 equipped only on one side with high-power semiconductor switches.
  • the control ring 12 is disposed radially within the electromagnet 14 in the stator 3, which is why the stator housing 12 is set a piece radially inward and the entire engine is designed with a shorter overall length.
  • the safety regulations of the individual voltages eg low voltage 120 V DC
  • the coils of the motor for example, 200 V applied.
  • an at least doubly existing controller unit can be of redundant design (FIGS. 1 1 and 12) such that the signal supply for the power control is present twice circulating on the power board, so that the power components in case of failure of a controller unit or its connection to the power unit can switch second controller unit.
  • the duplicate controller unit may be constructed redundantly such that the signal supply for the power control are present in a circle around the power board, so that if one controller unit or its connection to the power unit fails, at least part of the solenoid remains operational due to the redundancy Disadvantage of the control circuit described above ( Figure 6) is that at the coils A, B, C by the series connection always two coils, the voltage applied to the individual coils, reduced to about the respective half of the supply voltage. This is due to the appropriate switching Sten S1, S2 and S3 shown. Especially when operating with low voltage ( ⁇ 60 V) or low voltage ( ⁇ 120 V), this has the considerable disadvantage that the performance of such motors are limited due to the limited supply voltage. For more powerful engines can be avoided on higher currents, but this brings more size and much more weight with it. In addition, more powerful controls and cross-section thicker and thus heavier supply cables are required.
  • control circuit 34 for a DC motor will be described.
  • this control circuit 34 is provided for the above-described brushless DC motor 1 according to the present invention.
  • the control circuit 34 is formed in the form of the annular power board 13.
  • the controller provides appropriate control signals to FETs 21 of the power board 13 and controls which FET 21 is switched.
  • the power board 13 or the power unit is designed such that each individual coil A, B and C can be acted upon separately.
  • Fig. 7 and Fig. 8 show a circuit diagram of the brushless DC motor 1 (BLDC motor) control circuit 34 according to the present invention.
  • each individual coil A, B, C can be controlled exactly in time and with respect to magnetic direction, completely independently of the other two coils.
  • the circuit diagram according to FIG. 7 shows the control with six control lines 22 in the upper voltage range (supply voltage). These six control lines 22 are driven (open) with an approximately + 10 V compared to the supply voltage increased driving voltage, the input-side FETs 21, whereby the supply voltage is applied to the respective coil. Below this, the ground (GND) -side FETs are driven (opened) by a drive voltage of approx. + 10 V via ground (GND), via which the current flows back to the ground (GND) side of the power supply source 25.
  • the processor (not shown) of a controller 28 requires twelve outputs in order to be able to control the twelve FETs 21, 24.
  • control circuit 34 By virtue of this voltage reduction circuit 30 or "cross-circuiting" of the FET drive voltages, the control circuit 34 according to the invention also requires only six drive lines 31 as used in known control circuits.
  • the advantage of this cross-actuation also lies in the fact that the control voltages are now uniform at approx.
  • this embodiment of a control circuit 34 according to the invention with voltage reduction circuit 21 is somewhat more expensive with regard to the electronic commutation, it has the great advantage that the coil power can be increased to approximately twice the circuit technology known hitherto.
  • Each coil tap A, B, C then needs 12 instead of 6 FETs to drive.
  • a solution of 12 FETs, each supplying two coil recesses 33 in parallel avoids the duplication of the FETs, however, the FETs are to be designed for twice the current intensity.
  • a doubling of the maximum amperage usually does not result in any significant increase in the size of the semiconductor elements and, as a rule, only slightly more weight if at all.
  • Fig. 9 shows a third, by three FETs (X, Y, Z) extended embodiment of a control circuit according to the invention 34.
  • This makes it possible that the motor 1 either in the single coil circuit according to the invention as well as in the known star connection of the coil or in Normal operation can be operated.
  • the circuit options are marked with the S1 to S3.
  • the inner terminals of the coils A, B, C are connected via the additional FETs X, Y and Z connectable.
  • the advantage of this circuit technology lies in optimized operation with two different voltages, the coil design working in single coil operation as well as with double the supply voltage in star operation in the optimum efficiency range.
  • this circuit has the advantage that the output voltage can be doubled by the change from the single coil circuit to the star circuit, without the need for an external DCDC converter.
  • each individual coil does not necessarily have to be acted upon simultaneously in attractive or repulsive action, as is necessarily the case with conventional circuit techniques.
  • the software control means that each individual coil can be controlled independently of one another, which also makes it possible to achieve higher efficiencies and / or higher outputs with the same size and the same weight by overlapping the actuators.
  • a brushless DC motor with a control circuit provides, wherein the motor is provided with the inventive integrated power control in about twice the power at insignificantly increased weight and the same size compared to a motor with conventional circuit technology at the same supply voltage.
  • the motor is provided with the inventive integrated power control in about twice the power at insignificantly increased weight and the same size compared to a motor with conventional circuit technology at the same supply voltage.
  • voltage-limited operation low voltage, low voltage
  • these categories which are limited to the voltage limits of 60 V or 120 V, are subject to significantly reduced safety requirements. Both in the development and in the production, in the distribution and the use of such drives by the end customer.
  • the inventor of the present invention has realized that brushless DC motors with higher performance in the lower voltage categories can be realized, in which can be developed and produced more cost effective and thus more profitable by significantly reduced safety requirements.
  • recuperation operation e.g., generator operation, recharge to an accumulator, use as an electromagnetic brake
  • twice as many diodes are required for a motor in the circuit design of the invention than for a brushless DC motor with conventional circuitry.
  • the reclaiming power is twice as high.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

Selon l'invention, un moteur à courant continu présentant un rotor à aimants permanents et un stator à électroaimants, est doté d'au moins une platine de puissance sensiblement annulaire qui présente deux pôles pour appliquer une tension d'entrée, et d'un dispositif de commande qui est conçu pour commander la platine de puissance de sorte que la tension d'entrée est appliquée aux électroaimants de sorte qu'un couple de rotation souhaité est appliqué au rotor.
PCT/EP2016/054166 2015-02-26 2016-02-26 Moteur à courant continu/générateur à réglage de puissance intégré, et circuit de commande pour moteur à courant continu WO2016135336A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015100941.0 2015-02-26
DE202015100941 2015-02-26

Publications (1)

Publication Number Publication Date
WO2016135336A1 true WO2016135336A1 (fr) 2016-09-01

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PCT/EP2016/054166 WO2016135336A1 (fr) 2015-02-26 2016-02-26 Moteur à courant continu/générateur à réglage de puissance intégré, et circuit de commande pour moteur à courant continu

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112968511A (zh) * 2021-02-09 2021-06-15 广东逸动科技有限公司 船用推进器充电控制方法、系统和船用推进器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914082A1 (de) 1989-04-28 1990-10-31 Bosch Gmbh Robert Elektronisch kommutierter elektromotor
JP2005143151A (ja) * 2003-10-14 2005-06-02 Sumitomo Electric Ind Ltd 環状パワーモジュール
US20070145838A1 (en) 2005-12-07 2007-06-28 Nidec Corporation Motor and Method of Manufacturing Housing
US20080067960A1 (en) * 2004-11-24 2008-03-20 Nsk, Ltd. Unconnected Motor, Drive Control Device Thereof, And Electric Power Steering Device Using Drive Control Device Of Unconnected Motor
CN101951109B (zh) * 2010-10-12 2012-03-28 彭希南 直接驱动型永磁直流无刷电动机
CN103457503A (zh) * 2013-09-16 2013-12-18 清华大学 冗余电源可重构容错式驱动拓扑结构
GB2515318A (en) 2013-06-19 2014-12-24 Protean Electric Ltd Inverter for an electric motor or generator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914082A1 (de) 1989-04-28 1990-10-31 Bosch Gmbh Robert Elektronisch kommutierter elektromotor
JP2005143151A (ja) * 2003-10-14 2005-06-02 Sumitomo Electric Ind Ltd 環状パワーモジュール
US20080067960A1 (en) * 2004-11-24 2008-03-20 Nsk, Ltd. Unconnected Motor, Drive Control Device Thereof, And Electric Power Steering Device Using Drive Control Device Of Unconnected Motor
US20070145838A1 (en) 2005-12-07 2007-06-28 Nidec Corporation Motor and Method of Manufacturing Housing
CN101951109B (zh) * 2010-10-12 2012-03-28 彭希南 直接驱动型永磁直流无刷电动机
GB2515318A (en) 2013-06-19 2014-12-24 Protean Electric Ltd Inverter for an electric motor or generator
CN103457503A (zh) * 2013-09-16 2013-12-18 清华大学 冗余电源可重构容错式驱动拓扑结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112968511A (zh) * 2021-02-09 2021-06-15 广东逸动科技有限公司 船用推进器充电控制方法、系统和船用推进器
CN112968511B (zh) * 2021-02-09 2024-05-17 广东逸动科技有限公司 船用推进器充电控制方法、系统和船用推进器

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