[go: up one dir, main page]

WO2015139063A1 - Procédé permettant de faire fonctionner une chaîne cinématique et chaîne cinématique - Google Patents

Procédé permettant de faire fonctionner une chaîne cinématique et chaîne cinématique Download PDF

Info

Publication number
WO2015139063A1
WO2015139063A1 PCT/AT2015/000045 AT2015000045W WO2015139063A1 WO 2015139063 A1 WO2015139063 A1 WO 2015139063A1 AT 2015000045 W AT2015000045 W AT 2015000045W WO 2015139063 A1 WO2015139063 A1 WO 2015139063A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive
differential
machine
speed
driveline
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.)
Ceased
Application number
PCT/AT2015/000045
Other languages
German (de)
English (en)
Inventor
Gerald Hehenberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2015139063A1 publication Critical patent/WO2015139063A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using externally powered electric machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/721—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously the secondary drive being an energy dissipating device, e.g. regulating brake, in order to vary speed continuously
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/028—Units comprising pumps and their driving means the driving means being a planetary gear
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
    • 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
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
    • 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
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • G05D13/64—Compensating the speed difference between engines meshing by a differential gearing or the speed difference between a controlling shaft and a controlled shaft
    • 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
    • H02P9/06—Control effected upon clutch or other mechanical power transmission means and dependent upon electric output value of the generator

Definitions

  • the invention relates to a method for starting a drive train with a drive shaft, a prime mover and with a
  • Differential gearbox with three input and output drives, wherein an output to the drive shaft, a first drive to the prime mover and a second drive is connected to a differential drive.
  • the invention further relates to a drive train for carrying out the method with a drive shaft, a prime mover and with a differential gear with three inputs and outputs, wherein an output to the drive shaft, a drive to the drive machine and a second drive is connected to a differential drive ,
  • Work machines such as conveyors, e.g. Pumps, compressors, fans, etc.
  • Electric machines are used as examples of corresponding drive machines, but the principle applies to all possible types of drive machines, such as e.g. also for
  • the most commonly used electric drives today are three-phase machines such as e.g. Asynchronous motors and synchronous motors.
  • the current consumption of a three-phase machine at the start of zero speed typically corresponds to approximately 10 times the rated current, which causes a correspondingly high electrical load for the network during the starting process.
  • German Utility Model DE 20 2012 101 708 U for example, one can set the transmission ratio of the differential gear to 1. So you can drive the complete powertrain with the differential drive or bring the prime mover to synchronous speed and synchronize them subsequently with the network.
  • the object of the invention is therefore to find a solution with which you drive machines with the network substantially bumpless
  • This object is achieved in a method of the type mentioned in that the drive machine is accelerated with the differential drive and synchronized with the network, while acting on the drive shaft, a braking torque, and that is braked in an acceleration phase of the drive shaft, the second drive.
  • This task is also solved with a drive train through a brake or backstop, which acts on the output.
  • the core of a differential system is a di fferenzialgetriebe, which may be a simple planetary gear stage with three inputs and outputs in a simple, with a downforce with the Drive shaft of a working machine, a first drive with the
  • the Machine and a second drive is connected to a differential drive.
  • the machine can be operated at variable speed of the prime mover variable speed by the di fferenzialantrieb compensates for the speed difference.
  • Phase 1 The prime mover is preferably first brought to (at least approximately) synchronous speed with a differential drive and then synchronized with the network. That remains that
  • Phase 2 After the prime mover is connected to the grid, in the second phase the actual acceleration or
  • FIG. 1 shows the structure according to the invention of a drive or
  • the prime mover 4 in this embodiment is preferably a medium-voltage three-phase machine connected to a network 12, which in the example shown on the basis of a medium-voltage three-phase machine
  • Performance level of the engine 4 and can be any desired without affecting the basic function of the system according to the invention
  • a planet carrier 7 is connected to the drive shaft 2, the drive machine 4 with a ring gear 8 and a
  • the core of the differential system in this embodiment is thus a simple planetary gear stage with three inputs or outputs, with a drive output to the drive shaft 2 of the work machine 1, a first drive with the prime mover 4 and a second drive is connected to the differential drive 5.
  • an adaptation gear 10 between the sun gear 9 and the differential drive 5 is optionally implemented.
  • the adjustment gear 10 for example also be multi-stage or running as a toothed belt or chain drive and / or combined with a planetary gear stage or be executed as a planetary gear stage.
  • the adjustment gear 10 can also realize an axial offset for the differential drive 5, which allows a simple design of the differential drive 5 due to the coaxial arrangement of the working machine 1 and the prime mover 4 shown by way of example.
  • a motor brake 13 is connected, which brakes the differential drive 5 when needed. Electric is the
  • Differential drive 5 by means of preferably a low-voltage frequency converter, consisting of a motor-side inverter 6a and a grid-side inverter 6b, and a transformer 11 connected to the network 12.
  • the transformer is equal to any existing voltage differences between the network 12 and the
  • Mains-side inverter 6b and can be dispensed with voltage equality between the prime mover 4, the network-side inverter 6b and the network 12.
  • the inverters 6a and 6b are connected by a DC intermediate circuit.
  • the essential advantage of this concept is that the main load leading prime mover 4 can be connected to a network 12 directly, that is without complex power electronics.
  • the compensation between the variable rotor speed and the fixed speed of the network-connected drive machine 4 is realized by the variable-speed differential drive 5.
  • Torque.t Di ferenciadir torque Antrie and * y / X / where the magnitude factor y / x is a measure of the gear ratios in the differential gear 3 and in the gearing 10.
  • the performance of the differential drive 5 is substantially proportional to the
  • a differential drive 5 for a pump as a work machine 1 has an output of about 15% of the total system power. This in turn means that with the differential system no low speeds (near zero speed) can be realized on the work machine 1, without accelerating the differential drive 5 to about 4 times its synchronous speed.
  • the work machine 4 in turn draws but up to a 10-fold rated current to accelerate to their synchronous speed.
  • So-called star / delta circuit can be the starting current
  • an improvement of the problem of a high starting current is achieved by the differential drive 5 at the beginning of the
  • Control speed range is the speed range in which the
  • Differenzialant ieb 5 works to realize the working speed range of the working machine 1) going beyond
  • Differential drive 5 is designed for these speeds. Due to external loads while the work machine 1 remains in a range of very low speed or the machine 1 can also be braked in case of need or by means of backstop one
  • network-synchronous speed In the case of an asynchronous machine, one remains in comparison with the starting method from zero speed much lower inrush current. Above all, the duration of this inrush current peak is only a few grid periods. Measures to reduce this remaining inrush current are, for example, a small isolation transformer for biasing via a bypass, or a so-called thyristor regulator.
  • the differential drive 5 is decelerated or braked, whereby the speed of the working machine 1 increases in the working speed range, while the drive machine 4 with approximately fixed speed depends on the network 12.
  • the motor-side and mains side inverter preferably by means of so-called chopper in a resistor.
  • This is especially necessary when e.g. in a particularly simple embodiment of the differential system of the differential drive 5 is only operated by a motor and thus the network-side inverter 6b can be designed as a preferably simple and robust diode rectifier, whereby a power feedback is not possible.
  • the engine brake 13 can also be used to control the engine brake 13
  • Hydrodynamic retarders usually work with oil or water, which when needed in a converter housing is directed.
  • the Wandiergecher consists of two
  • Retarders as a service brake is its freedom from wear and good controllability.
  • the engine brake 13 can basically be any type of brake.
  • Fig. 2 shows one of the technical literature (exercises on "electrical
  • the three-phase machine delivers a so-called tilting torque at the tipping point, a so-called at the nominal point
  • the tilting torque is approximately 2-3 times the rated torque, for example, in conventional asynchronous machines.
  • a tilting torque in the amount of twice the rated torque was assumed.
  • the achievable torque can be scaled linearly.
  • Differential drive 5 to expand offers the so-called 87Hz characteristic for the operation of the inverter 6a, 6b.
  • the principle is the following: Motors can typically operate in star (400V) or delta (230V) circuits. If one operates a motor as usual with 400V in star connection, then one reaches with 50Hz its nominal point. This characteristic is set in the frequency converter. You can also run a motor with 400V in delta connection and parameterize the frequency converter so that it reaches the 50Hz at 230V. As a result, the frequency converter reaches its rated voltage (400V) only at 87Hz (A / 3 X 50Hz). Since the motor torque is constant up to the nominal point, a higher power is achieved with the 87 Hz characteristic. It should be noted, however, that in comparison with the star connection in the delta connection, there is a higher current by V3. That The frequency converter must be larger in size.
  • the motor generates higher losses due to the higher frequency, for which the motor must be thermally designed.
  • Inverter 6a, 6b not for a higher current to 3
  • the specified frequency of 87Hz changes accordingly.
  • this is about 104Hz.
  • Gear ratio in stages or continuously to integrate (in addition to or instead of a matching gear 10), so as to reduce the required speed of the differential drive 5 for the starting operation accordingly.
  • This option can also be used to further the working speed range of
  • Work machine 1 to enlarge.
  • Work machines 1 such as pumps, Fans, compressors and the like have an exponential speed / power curve, which the required
  • the inverter output voltage is increased proportionally with the speed up to the rated speed. This results in a nearly constant torque up to the field weakening limit.
  • the output voltage at the inverter can not be increased further.
  • the voltage and the power remain constant and the tilting torque decreases with ⁇ 1 / n 2 .
  • n_s being the variable rotational speed
  • n_max the nominal rotational speed of the Differential drive 5 and M__n whose rated torque.
  • the curve M_k / M_n shows a realizable tilting torque (mechanically on the shaft of the differential drive 5). However, this tilting torque, the differential drive 5 but limited in time
  • Work machine 1 can be started from zero speed. Since a starting operation is limited in time, the differential drive 5 is thereby not thermally overloaded.
  • the “maximum working range” also represents a typical limit for the operation of permanent magnet synchronous machines (as
  • the characteristic curve M_Pump shown in FIG. 4 is a typical one
  • Characteristic for turbomachines such as pumps, compressors, fans and the like.
  • the required torque for the starting process can be achieved by using adjustment mechanisms, such as.
  • the system according to the invention can also be used to bring the prime mover 4 into phase-shifting operation for the time being. That is, the prime mover 4, after being connected to the grid 12, can only supply reactive power to the grid 12, or can draw it from the grid 12, without operating the work machine 1.
  • the drive machine 4 is connected to the network 12, without the further steps of the invention

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

L'invention concerne un procédé et un entraînement pour le démarrage d'une chaîne cinématique présentant un arbre d'entraînement (2), un moteur d'entraînement (4) et un entraînement différentiel (3) présentant trois entraînements ou sorties. Une sortie est reliée à l'arbre d'entraînement (2), un premier entraînement est relié au moteur d'entraînement (4) et un deuxième entraînement est relié à l'entraînement différentiel (5). Selon l'invention, le moteur d'entraînement (4) est accéléré par l'entraînement différentiel (5) et synchronisé avec le réseau (12), alors qu'un couple de freinage agit sur l'arbre d'entraînement (2). Le deuxième entraînement est freiné lors d'une phase d'accélération de l'arbre d'entraînement (2).
PCT/AT2015/000045 2014-03-17 2015-03-17 Procédé permettant de faire fonctionner une chaîne cinématique et chaîne cinématique Ceased WO2015139063A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA189/2014 2014-03-17
AT1892014 2014-03-17

Publications (1)

Publication Number Publication Date
WO2015139063A1 true WO2015139063A1 (fr) 2015-09-24

Family

ID=52874872

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2015/000045 Ceased WO2015139063A1 (fr) 2014-03-17 2015-03-17 Procédé permettant de faire fonctionner une chaîne cinématique et chaîne cinématique

Country Status (2)

Country Link
AT (1) AT14302U1 (fr)
WO (1) WO2015139063A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017037939A1 (fr) * 2015-09-04 2017-03-09 三菱重工コンプレッサ株式会社 Procédé de démarrage pour accélérateur à vitesse variable et dispositif de commande de démarrage pour accélérateur à vitesse variable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640146A1 (de) * 1986-11-25 1988-06-01 Eckhardt Hans Guenter Dipl Ing Ueberlagerungssystem zur erzeugung einstellbarer drehzahlen
AT507394A2 (de) 2008-10-09 2010-04-15 Gerald Dipl Ing Hehenberger Windkraftanlage
DE202012101708U1 (de) 2012-05-10 2012-06-13 Gerald Hehenberger Differenzialgetriebe für Energiegewinnungsanlage
WO2014183139A1 (fr) * 2013-05-17 2014-11-20 Set Sustainable Energy Procédé et dispositif permettant de mettre en marche une chaîne d'entraînement et de transmission

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19751231A1 (de) * 1997-11-19 1999-06-10 Abb Research Ltd Antriebsvorrichtung
EP1477705B8 (fr) * 2002-02-21 2011-01-26 Ebara Corporation Dispositif de mise en marche comprenant un dispositif de train planétaire différentiel et procédé de mise en marche de dispositif de train planétaire différentiel
DE102011087109B3 (de) * 2011-11-25 2013-04-04 Zollern Gmbh & Co. Kg Vorrichtung und Verfahren zur Gewinnung von Energie aus einer Fluidströmung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640146A1 (de) * 1986-11-25 1988-06-01 Eckhardt Hans Guenter Dipl Ing Ueberlagerungssystem zur erzeugung einstellbarer drehzahlen
AT507394A2 (de) 2008-10-09 2010-04-15 Gerald Dipl Ing Hehenberger Windkraftanlage
DE202012101708U1 (de) 2012-05-10 2012-06-13 Gerald Hehenberger Differenzialgetriebe für Energiegewinnungsanlage
WO2014183139A1 (fr) * 2013-05-17 2014-11-20 Set Sustainable Energy Procédé et dispositif permettant de mettre en marche une chaîne d'entraînement et de transmission

Also Published As

Publication number Publication date
AT14302U1 (de) 2015-08-15

Similar Documents

Publication Publication Date Title
AT514396B1 (de) Verfahren und Vorrichtung zum Anfahren eines Triebstranges
EP2997284B2 (fr) Procédé permettant de faire fonctionner une chaîne cinématique et chaîne cinématique
EP3108154B2 (fr) Procédé permettant de faire fonctionner une chaîne d'entraînement et de transmission et chaîne d'entraînement et de transmission
EP3289243B1 (fr) Chaîne cinématique pour pompes, systèmes de génération d'énergie ou similaires et procédé pour démarrer une telle chaîne cinématique
AT516038B1 (de) Antriebsstrang
WO2016091958A1 (fr) Procédé permettant de faire fonctionner un groupe d'entraînement
AT508411A1 (de) Differenzialgetriebe für energiegewinnungsanlage und verfahren zum betreiben
AT512833A1 (de) Energiegewinnungsanlage, insbesondere Windkraftanlage
DE102007050496A1 (de) Generator mit Multistator und Multirotor
EP2986846B1 (fr) Mécanisme d'entraînement et procédé servant à faire fonctionner un mécanisme d'entraînement de ce type
EP3238337B1 (fr) Procédé de fonctionnement de transmission
EP3729617A1 (fr) Système électromécanique ainsi que réducteur différentiel pour la transmission d'une énergie de rotation
AT507396A2 (de) Energiegewinnungsanlage und verfahren zum betreiben dieser
WO2015139063A1 (fr) Procédé permettant de faire fonctionner une chaîne cinématique et chaîne cinématique
AT516180B1 (de) Verfahren zum Anfahren eines Triebstranges und Antrieb hierfür
AT15940U1 (de) Verfahren zum Betreiben eines Triebstranges und Triebstrang
AT15388U1 (de) Triebstrang und Verfahren zum Betreiben eines Triebstranges
DE890088C (de) Elektrisches Getriebe
WO2023186218A1 (fr) Groupe électrogène et procédé de génération de courant électrique présentant une fréquence industrielle constante
DE10139266A1 (de) Elektrisches Planetengetriebe und seine Regelung
DE202017104637U1 (de) Antriebsvorrichtung für ein Funktionsfahrzeug

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15716391

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15716391

Country of ref document: EP

Kind code of ref document: A1