CN104953912A - Variable-frequency speed control system based on matrix converters and applied to electric propulsion of ship - Google Patents
Variable-frequency speed control system based on matrix converters and applied to electric propulsion of ship Download PDFInfo
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Abstract
The invention relates to a variable-frequency speed control system based on matrix converters and applied to electric propulsion of a ship. The variable-frequency speed control system is characterized in that a primary winding of each phase-shifting transformer is connected with a three-phase power network of the ship, a secondary winding of each phase-shifting transformer is connected with the signal input end of a corresponding matrix converter, the signal output end of each matrix converter is connected with the corresponding signal input end of a six-phase permanent magnet synchronous motor, an output shaft of the six-phase permanent magnet synchronous motor is connected with a propeller, a state feedback signal induction interface of the six-phase permanent magnet synchronous motor is connected with a vector control unit, the signal input end of each matrix converter is connected with the vector control unit, and two control signal output ends of the vector control unit are connected with control signal input ends of the corresponding matrix converters respectively. The variable-frequency speed control system has the characteristics of high power density, high reliability, low harmonic content and bidirectional energy flow capacity.
Description
Technical field
The present invention relates to marine electric power propulsion technical field, be specifically related to a kind of Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter.
Background technology
The core of modern ships electric propulsion technology is frequency conversion speed-adjusting system.The converter technique be applied at present in watercraft electric propulsion system has cycle (Cyclo) frequency converter, current source inverter type (Current Source Inverter, CSI) frequency converter, voltage source inverter type (Voltage Source Inverter, VSI) frequency converter.Dividing cycle frequency converter by principle is interchange-AC converter, and current source inverter type frequency converter belongs to voltage source inverter type frequency converter and exchanges-AC/DC frequency converter.Interchange-AC/DC frequency converter can be divided into 6 impulse commutations again, 12 impulse commutations by the difference of rectifier system, the types such as active front end (Active Front End, AFE) rectification.The major defect of cycle frequency converter is that output frequency is subject to electrical network frequency limitation, can be only about 1/3 of mains frequency usually.Interchange-AC/DC frequency converter major defect needs large-scale energy storage module (large inductance or bulky capacitor), and energy can not feedback, usually needs to arrange brake resistance to consume the energy of feedback.
Matrix converter is a kind of novel converter technology, belongs to interchange-alternating current type.Have and can realize input current and output current sineization, there is no the energy storage link of large volume, some row advantages such as energy capable of bidirectional flowing.Be successfully applied to electric power battlebus, wind power generation, the fields such as airborne vehicle control.Its good characteristic also has certain values to marine electric power propulsion, can reduce frequency converter volume, improves the quality of power supply, energy in bidirectional flow.The shortcoming of matrix converter is that voltage utilization is not high, and for three-phase-three-phase matrix converter, use the voltage utilization of AV modulator approach to be only 0.5, the voltage utilization using Double Space Vector Modulation algorithm is 0.866.
Polyphase machine, compared with three phase electric machine, has many advantages.Because the increase of number of motor phases, make when gross power is constant, each phase power output reduces, and significantly reduces the grade of power device on each brachium pontis; Increasing of the number of phases, the electromagnetic torque pulsation frequency of output is higher, and torque pulsation is just less, thus reduces the noise of motor in low cruise process; And polyphase machine has the strong feature of fault-tolerant ability.Above-mentioned advantage makes polyphase machine be highly suitable for watercraft electric propulsion system.
The patent No. be 201210110785.9 Chinese invention patent " driving polyphase machine control system based on polyphase machine " propose a kind of matrix converter structure based on 3*3n and drive six-phase motor, this invention directly utilizes three-phase-six phase matrix converter, drive six-phase motor, bring the defect that voltage utilization is low, its voltage utilization, according to correlation formula, only has 0.75.
The patent No. be 201310032954.6 Chinese invention patent " the indirect-type matrix control system of electric oily energy mix conversion electric drive boats and ships " propose a kind of method indirect-type matrix converter being applied to hybrid electrically boats and ships.Three-phase alternating current diesel generating set is connected with the input AC/DC converter of indirect-type matrix converter by it, and three-phase alternating current propulsion motor is connected with indirect-type Output matrix end DC/AC, and DC terminal can connect batteries.But this invention does not have the problem that solving matrix converter voltage utilance is low yet, and the redundancy of system is low, and matrix converter is core, once break down, the situation that full ship advances electric power system to paralyse.
Summary of the invention
The object of the present invention is to provide a kind of voltage utilization high, the two-way flow of energy energy can be realized, volume is little, power density is high and the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter that redundancy performance is good.
For solving the problems of the technologies described above, a kind of Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter provided by the invention, it comprises six phase permanent-magnet synchronous motor, screw, vector control unit, two phase shifting transformers and matrix converter, wherein, the armature winding of described each phase shifting transformer all connects boats and ships three phase network, the secondary winding of each phase shifting transformer all connects the signal input part of corresponding matrix converter, the signal output part of each matrix converter connects signal input part corresponding to six phase permanent-magnet synchronous motor, the output shaft of six phase permanent-magnet synchronous motor connects screw, the motor condition feedback induction of signal end of the status feedback signal induction interface connected vector control unit of described six phase permanent-magnet synchronous motor, the voltage signal induction end of the signal input part connected vector control unit of described matrix converter, vector control unit two control signal outputs connect the control signal input of homography converter respectively.
Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter also comprises two clamper modules, one end of described each clamper module connects the signal input part of homography converter, and the other end of each clamper module connects the signal output part of homography converter.
Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter also comprises two filtration modules, and the secondary winding of described each phase shifting transformer connects corresponding matrix converter by corresponding filtration module.
Described vector control unit comprises rotation speeds setting module, speed regulator, coordinate transformation module, Hysteresis Current comparator, tach signal inductor, angular signal inductor, current signal inductor, voltage signal inductor, voltage signal phase detecting module, bidirectional switch generation module and comparator, wherein, described tach signal inductor, angular signal inductor and current signal inductor are respectively used to the various corresponding states feedback signals responding to six phase permanent-magnet synchronous motor, described voltage signal inductor is for responding to the input terminal voltage of matrix converter, described rotation speeds setting module and the signal output part of tach signal inductor are connected two inputs of comparator respectively, the output of comparator connects the signal input part of speed regulator, first signal input part of the signal output part connection coordinate conversion module of speed regulator, the reference current signal of coordinate transformation module is set to preset value, the secondary signal input of the signal output part connection coordinate conversion module of angular signal inductor, the signal output part of coordinate transformation module connects the first signal input part of Hysteresis Current comparator, the signal output part of current signal inductor connects the secondary signal input of Hysteresis Current comparator, the signal output part of described Hysteresis Current comparator connects the first signal input part of bidirectional switch generation module, the signal output part of described voltage signal inductor connects the secondary signal input of bidirectional switch generation module by voltage signal phase detecting module, two signal output parts of described bidirectional switch generation module connect the control signal input of homography converter respectively.
Basic functional principle of the present invention is:
The three-phase electricity obtained from boats and ships three phase network obtains the three-phase electricity of two groups of phase, 180 ° of electrical degrees through phase shifting transformer, i.e. six phases electricity, and inputs to matrix converter after filter circuit.Input overcurrent or output overvoltage are avoided in the effect of clamp circuit.Matrix converter exports control signal again to six phase permanent-magnet synchronous motor, and the output of motor is coupling screw, and propelling ship advances.
Beneficial effect of the present invention:
The present invention is by utilizing a kind of six phases---the matrix converter of three-phase topological structure, improve traditional three-phase---the defect that three-phase matrix converter voltage utilization is low, also maintain classical matrix inverter power density high, harmonic content is low, the feature of energy energy two-way flow.In order to make system have good reliability, have employed the combination of six phase permanent-magnet synchronous motor.In addition in order to reach good control characteristic, as rapidity, stability have employed vector control strategy.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the bidirectional switch circuit structure chart of six to three-phase matrix converter in the present invention;
Fig. 3 is the structured flowchart of vector control unit in the present invention;
Fig. 4 is the stagnant ring comparison sheet of A, B, C three-phase current of the present invention;
Fig. 5 is voltage signal subregion schematic diagram of the present invention;
Fig. 6 is each region voltage signal behavior table of the present invention
Fig. 7 is for when voltage is in region 1, and with A, B, C three-phase current Hysteresis control combines the switch schematic diagram obtained.Wherein stain represents that switch closes, and white point represents disconnection.
Wherein, 1-phase shifting transformer, 2-filtration module, 3-clamper module, 4-matrix converter, 5-vector control unit, 5.1-rotation speeds setting module, 5.2-speed regulator, 5.3-coordinate transformation module, 5.4-Hysteresis Current comparator, 5.5-tach signal inductor, 5.6-angular signal inductor, 5.7-current signal inductor, 5.8-voltage signal inductor, 5.9-voltage signal phase detecting module, 5.10-bidirectional switch generation module, 5.11-comparator, 6-six phase permanent-magnet synchronous motor, 7-screw, 8-boats and ships three phase network, 5.9.A ~ 5.9.F represents six phase electricity, 5.9.1 ~ 5.9.6 represents six regions that one-period (2 π) is divided into by six-phase voltage.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
The Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter as shown in Fig. 1 ~ 7, it comprises six phase permanent-magnet synchronous motor 6, screw 7, vector control unit 5, two phase shifting transformers 1 and matrix converter 4, wherein, the armature winding of described each phase shifting transformer 1 all connects boats and ships three phase network 8, the secondary winding of each phase shifting transformer 1 all connects the signal input part of corresponding matrix converter 4, the signal output part of each matrix converter 4 connects the signal input part of six phase permanent-magnet synchronous motor 6 correspondence, the output shaft of six phase permanent-magnet synchronous motor 6 connects screw 7, the motor condition feedback induction of signal end of the status feedback signal induction interface connected vector control unit 5 of described six phase permanent-magnet synchronous motor 6, the voltage signal induction end of the signal input part connected vector control unit 5 of described matrix converter 4, vector control unit 5 two control signal outputs connect the control signal input of homography converter 4 respectively.
Above-mentioned phase shifting transformer 1 is for transferring the input number of phases of matrix converter 4 (six to three-phase matrix converter) demand to by three-phase electricity.
In technique scheme, it also comprises two clamper modules 3, and one end of described each clamper module 3 connects the signal input part of homography converter 4, and the other end of each clamper module 3 connects the signal output part of homography converter 4.
In technique scheme, it also comprises two filtration modules 2, and the secondary winding of described each phase shifting transformer 1 connects corresponding matrix converter 4 by corresponding filtration module 2.The function that described filtration module 2 realizes is the high frequency harmonic components that filtering Electrical Propulsion Ship frequency conversion speed-adjusting system produces due to switch motion.
In technique scheme, described matrix converter 4 is six to three-phase matrix converter.This six to three-phase matrix converter is six phase inputs, and this six phases electricity is divided into two groups, differs 180 ° mutually between two groups of phase angles.Described six to three-phase matrix converter is made up of 6*3 bidirectional switch (bidirectional switch can realize two-way flow and the two-way blocking-up of electric current), and the voltage utilization of matrix converter can be expressed by following formula:
Wherein V
ofor output voltage, V
ifor input voltage, n is the input number of phases, and m is for exporting the number of phases, and the present invention, at n=6, m=3, can calculate, and output voltage can reach 1 than input voltage, which improves traditional three-phase to the low problem of three-phase matrix converter voltage utilization.For meeting matrix converter input not short circuit mutually, export the condition of not open circuit mutually, above-mentioned bidirectional switch need meet:
S
ja+ S
jb+ S
jc=1 wherein j ∈ A, B, C, D, E, F, G} are input item, and output item is a, b, c, and wherein, S is bidirectional switch, and j for input phase, can be A, B, C, D, E, F, G (six), a, b, c for output phase (three).
Above-mentioned bidirectional switch is the switching device with two-way admittance and two-way turn-off function, and the requirement operating frequency of bidirectional switch is high, and switching loss is little, and original paper number is few.The present invention adopts the bi-directional switch structure of RB-IGBT parallel connected in reverse phase.Described clamper module 3 is for providing protection when the input overcurrent of matrix converter 4 or output overvoltage.When Electrical Propulsion Ship frequency conversion speed-adjusting system breaks down and all bidirectional switchs (matrix converter 4) close and have no progeny, the leakage inductance of mains side and load-side is charged to capacitor by the rectifier bridge of clamper module 3, can avoid the damage of bidirectional switch.
In technique scheme, described vector control unit 5 comprises rotation speeds setting module 5.1, speed regulator 5.2, coordinate transformation module 5.3, Hysteresis Current comparator 5.4, tach signal inductor 5.5, angular signal inductor 5.6, current signal inductor 5.7, voltage signal inductor 5.8, voltage signal phase detecting module 5.9, bidirectional switch generation module 5.10 and comparator 5.11, wherein, described tach signal inductor 5.5, angular signal inductor 5.6 and current signal inductor 5.7 are respectively used to the various corresponding states feedback signals responding to six phase permanent-magnet synchronous motor 6, described voltage signal inductor 5.8 is for responding to the input terminal voltage of matrix converter 4, described rotation speeds setting module 5.1 and the signal output part of tach signal inductor 5.5 are connected two inputs of comparator 5.11 respectively, the output of comparator 5.11 connects the signal input part of speed regulator 5.2, first signal input part of the signal output part connection coordinate conversion module 5.3 of speed regulator 5.2, the reference current signal of coordinate transformation module 5.3 is set to preset value (being 0), the secondary signal input of the signal output part connection coordinate conversion module 5.3 of angular signal inductor 5.6, the signal output part of coordinate transformation module 5.3 connects the first signal input part of Hysteresis Current comparator 5.4, the signal output part of current signal inductor 5.7 connects the secondary signal input of Hysteresis Current comparator 5.4, the signal output part of described Hysteresis Current comparator 5.4 connects the first signal input part of bidirectional switch generation module 5.10, the signal output part of described voltage signal inductor 5.8 connects the secondary signal input of bidirectional switch generation module 5.10 by voltage signal phase detecting module 5.9, two signal output parts of described bidirectional switch generation module 5.10 connect the control signal input of homography converter 4 respectively.Described vector control unit 5 can realize the vector control of six phase permanent-magnet synchronous motor, and the bidirectional switch modulation of six to three-phase matrix converter.The stator terminal current i a of what described current signal inductor 5.7 was measured is six phase permanent-magnet synchronous motor 6, ib, ic, id, ie, if.That described voltage signal inductor 5.8 is measured is six to three-phase matrix converter input terminal voltage uA, uB, uC, uD, uE and uF.Described tach signal inductor 5.5 is for measuring the rotating speed of six phase permanent-magnet synchronous motor 6 rotor.Described angular signal inductor 5.6 is for measuring the angle of six phase permanent-magnet synchronous motor 6 rotor and stator A phase winding axis.Described speed regulator 5.2 for by actual speed and setting speed through PI (proportional integral controller, proportion adjustment and integral adjustment) reconcile the q axle (iq1 of generating reference, iq2 axle) (q axle is the quadrature axis in motor, on the center line of synchronous machine rotor magnetic pole, on the perpendicular bisector between two adjacent poles, that is exactly quadrature axis direction) electric current.For realizing vector control, (d axle is the d-axis in motor to d axle (id1 and id2 axle), on the center line of synchronous machine rotor magnetic pole, being exactly d-axis direction) reference current is set to 0 (namely the reference current signal of coordinate transformation module 5.3 is set to 0).D axle and q axle reference current are obtained after coordinate transformation module 5.3 carries out coordinate transform processing six phases with reference to current i a*, ib*, ic*, id*, ie* and if*.
The coordinate formula of coordinate transformation module 5.3 is:
I
d1, i
q1, i
d2, i
q2all electric current components on d-q axle, here be six-phase motor, two three-phases can be regarded as thus have 1,2 point, i
01, i
02in order to coordinate transform is convenient, people is for choosing (because will meet matrix multiplication rule);
The angle that θ angle is d axle that to be d-q coordinate (rotating coordinate system) be and a-b coordinate system (rest frame) a axle.
Reference current through changes in coordinates compares with actual current by above-mentioned Hysteresis Current comparator 5.4, and setting hysteresis band, if comparative result is in stagnant ring, then maintain original current signal constant, if comparative result is outside stagnant ring, then from Current Control table, as shown in Figure 4, controlling value is chosen in.Current Control table as shown in Figure 4, the stagnant ring comparison sheet of A, B and C three-phase current, the principle that D, E and F three-phase current stagnant ring comparison sheet is same with it.Wherein I is Hysteresis Current width.When comparative result is in ring, then the current controling signal maintaining principle is constant.When comparative result is when ring is outer, actual current is greater than given electric current, then make hysteresis comparator H be 0, control switch state, makes electric current reduce, and when actual current is less than given electric current, then make H be 1, control switch state, makes electric current increase.Be connected on out of phase voltage by matrix converter when controlling the increase of electric current and reduce to realize.As preferably, the hysteresis band of Hysteresis Current comparator 5.4 is set to 0.1A.
Described voltage signal phase detecting module 5.9 is for detecting the region at current control moment voltage place.Six-phase voltage is on average divided into six regions (each region accounts for π/3 electrical degree) one-period (2 π).There are a maximum voltage and minimum voltage in each region.Six phase electricity are made up of 5.9.A, 5.9.B, 5.9.C, 5.9.D, 5.9.E and 5.9.F, as shown in Figure 5 (amplitude that in Fig. 5, X-axis is time shaft, Y-axis is voltage).Wherein the mutual phase difference of 5.9.A, 5.9.B and 5.9.C is 120 ° of electrical degrees, and 5.9.A, 5.9.B, 5.9.C obtain 5.9.D, 5.9.E, 5.9.F through phase shifting transformer phase shift 180 ° of electrical degrees.One-period (2 π) is equally divided into six regions, 5.9.1,5.9.2,5.9.3,5.9.4,5.9.5 and 5.9.6 by this six-phase voltage.Select the voltage that two voltages maximum with minimum in each region are selected as matrix converter 4.Fig. 6 is each region voltage signal behavior table, region 5.9.1 ~ 5.9.6 in state 1 ~ 6 difference corresponding diagram 5, select voltage phase u_A, (A B C is common three-phase electricity (A initial phase 0 °, 120 °, B phase place, 240 °, C phase place), and D E F differs six phases electricity 5.9.A, 5.9.B, 5.9.C, 5.9.D, 5.9.E, 5.9.F in 180 ° of electrical degrees (180 °, D phase place, 300 °, E phase place, 420 °, F phase place (-60 °)) difference corresponding diagram 5 respectively with ABC for u_B, u_C, u_D, u_E, u_F.
Described bidirectional switch generation module 5.10 be input as Hysteresis Current signal value and voltage signal phase value, the bidirectional switch of the output signal gating matrix converter 4 of bidirectional switch generation module 5.10.The difference needing current flow and demand current can be known according to current hysteresis-band control signal, if be less than actual current, then should execute high voltage, if be greater than actual current, then because applying small voltage.Described large voltage and small voltage judge according to voltage signal phase detecting module 5.9.
In technique scheme, described six phase permanent-magnet synchronous motor 6 is the double three-phase permanent-magnetic synchronous machine of phase shift 30 ° of electrical degrees.
In technique scheme, phase 180 ° of electrical degrees of the three-phase electricity of the secondary winding output of described two phase shifting transformers 1.This motor is a kind of asymmetric six-phase motor, is equivalent to ten symmetrical two-phase electric machines, has the more number of phases, have larger advantage than common six-phase motor (symmetrical three phase electric machine) according to the correlation theory at facies tract angle.
Fig. 7 is for when voltage is in the 5.9.1 of region, and with A, B, C three-phase current Hysteresis control combines the switch schematic diagram obtained, and as shown in Figure 6, when voltage is in region 5.9.1, voltage is chosen as u_E and u_B.In Fig. 7, " ordinate " is three-phase output end, and " abscissa " is six phase inputs.
Simultaneously see Fig. 4, when H_a, H_b, H_c are respectively 0,0,0, represent that three-phase electricity needs switching current is reduced, then three-phase exports and all selects u_B, can obtain in Fig. 7, the switch list shown in 7.1.
When H_a, H_b, H_c are respectively 0,0,1, represent that A, B two-phase needs to reduce, C phase needs to increase, then three-phase exports and selects u_E, u_E and u_B respectively, can obtain in Fig. 7, the switch list shown in 7.2.
When H_a, H_b, H_c are respectively 0,1,0, represent that A, C two-phase needs to reduce, B phase needs to increase, then three-phase exports and selects u_E respectively, u_B and u_E, can obtain in Fig. 7, the switch list shown in 7.3.
When H_a, H_b, H_c are respectively 0,1,1, represent that B, C two-phase needs to increase, A phase needs to reduce, then three-phase exports and selects u_B, u_E, u_E respectively, can obtain in Fig. 7, the switch list shown in 7.4.
When H_a, H_b, H_c are respectively 1,0,0, represent that B, C two-phase needs to reduce, A phase needs to increase, then three-phase exports and selects u_E, u_B, u_B respectively, can obtain in Fig. 7, the switch list shown in 7.5.
When H_a, H_b, H_c are respectively 1,0,1, represent that A, C two-phase needs to increase, B phase needs to reduce, then three-phase exports and selects u_E, u_B, u_E respectively, can obtain in Fig. 7, the switch list shown in 7.6.
When H_a, H_b, H_c are respectively 1,1,0, represent that A, B two-phase needs to increase, C phase needs to reduce, then three-phase exports and selects u_E, u_E, u_B can obtain in Fig. 7 respectively, the switch list shown in 7.5.
When H_a, H_b, H_c are 1,1,1, represent that three-phase electricity needs switching current is increased, then three-phase exports and all selects u_E, can obtain in Fig. 7, the switch list shown in 7.1.
When voltage is in other regions, the region corresponding with D, E and F phase all can be obtained by above rule.
The content that this specification is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter, it comprises six phase permanent-magnet synchronous motor (6), screw (7), vector control unit (5), two phase shifting transformers (1) and matrix converter (4), it is characterized in that: the armature winding of each phase shifting transformer (1) all connects boats and ships three phase network (8), the secondary winding of each phase shifting transformer (1) all connects the signal input part of corresponding matrix converter (4), the signal output part of each matrix converter (4) connects signal input part corresponding to six phase permanent-magnet synchronous motor (6), the output shaft of six phase permanent-magnet synchronous motor (6) connects screw (7), the motor condition feedback induction of signal end of status feedback signal induction interface connected vector control unit (5) of six phase permanent-magnet synchronous motor (6), the voltage signal induction end of the signal input part of matrix converter (4) also connected vector control unit (5), vector control unit (5) two control signal outputs connect the control signal input of homography converter (4) respectively.
2. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter according to claim 1, it is characterized in that: it also comprises two clamper modules (3), one end of each clamper module (3) connects the signal input part of homography converter (4), and the other end of each clamper module (3) connects the signal output part of homography converter (4).
3. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter according to claim 1, it is characterized in that: it also comprises two filtration modules (2), the secondary winding of each phase shifting transformer (1) connects corresponding matrix converter (4) by corresponding filtration module (2).
4. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter according to claim 1, is characterized in that: described matrix converter (4) is six to three-phase matrix converter.
5. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter according to claim 1, it is characterized in that: described vector control unit (5) comprises rotation speeds setting module (5.1), speed regulator (5.2), coordinate transformation module (5.3), Hysteresis Current comparator (5.4), tach signal inductor (5.5), angular signal inductor (5.6), current signal inductor (5.7), voltage signal inductor (5.8), voltage signal phase detecting module (5.9), bidirectional switch generation module (5.10) and comparator (5.11), wherein, described tach signal inductor (5.5), angular signal inductor (5.6) and current signal inductor (5.7) are respectively used to the various corresponding states feedback signals responding to six phase permanent-magnet synchronous motor (6), described voltage signal inductor (5.8) is for responding to the input terminal voltage of matrix converter (4), described rotation speeds setting module (5.1) and the signal output part of tach signal inductor (5.5) are connected two inputs of comparator (5.11) respectively, the output of comparator (5.11) connects the signal input part of speed regulator (5.2), first signal input part of the signal output part connection coordinate conversion module (5.3) of speed regulator (5.2), the reference current signal of coordinate transformation module (5.3) is set to preset value, the secondary signal input of the signal output part connection coordinate conversion module (5.3) of angular signal inductor (5.6), the signal output part of coordinate transformation module (5.3) connects the first signal input part of Hysteresis Current comparator (5.4), the signal output part of current signal inductor (5.7) connects the secondary signal input of Hysteresis Current comparator (5.4), the signal output part of described Hysteresis Current comparator (5.4) connects the first signal input part of bidirectional switch generation module (5.10), the signal output part of described voltage signal inductor (5.8) connects the secondary signal input of bidirectional switch generation module (5.10) by voltage signal phase detecting module (5.9), two signal output parts of described bidirectional switch generation module (5.10) connect the control signal input of homography converter (4) respectively.
6. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter according to claim 5, is characterized in that: the hysteresis band of described Hysteresis Current comparator (5.4) is 0.1A.
7. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter according to claim 1, is characterized in that: described six phase permanent-magnet synchronous motor (6) is the double three-phase permanent-magnetic synchronous machine of phase shift 30 ° of electrical degrees.
8. the Electrical Propulsion Ship frequency conversion speed-adjusting system based on matrix converter according to claim 1, is characterized in that: phase 180 ° of electrical degrees of the three-phase electricity of the secondary winding output of described two phase shifting transformers (1).
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0266598B1 (en) * | 1986-11-04 | 1994-02-09 | Robert Bosch Gmbh | Electrical servo-control |
| CN1417936A (en) * | 2001-11-06 | 2003-05-14 | 三菱电机株式会社 | Controller for multiple wound motor |
| JP2004201364A (en) * | 2002-12-16 | 2004-07-15 | Toyoda Mach Works Ltd | Electric motor device and steering system |
| CN101043197A (en) * | 2006-01-14 | 2007-09-26 | 康弗蒂姆有限公司 | Drive circuit |
| CN101320956A (en) * | 2007-06-05 | 2008-12-10 | Abb瑞士有限公司 | Method for operating a three-phase rotating electric machine and device for implementing the method |
| CN101499758A (en) * | 2007-11-26 | 2009-08-05 | 欧姆龙株式会社 | Controller for multi-phase electric motor |
| EP2412091A2 (en) * | 2009-03-25 | 2012-02-01 | Moog Japan Ltd. | Electric motor system |
| CN102624316A (en) * | 2012-04-16 | 2012-08-01 | 杭州锐方科技有限公司 | Multiphase motor control system based on driving of multiphase matrix converter |
| CN104137412A (en) * | 2012-02-24 | 2014-11-05 | 三菱电机株式会社 | Control device and method for ac rotary electrical machine, and electrical power steering device |
-
2015
- 2015-07-02 CN CN201510387854.4A patent/CN104953912B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0266598B1 (en) * | 1986-11-04 | 1994-02-09 | Robert Bosch Gmbh | Electrical servo-control |
| CN1417936A (en) * | 2001-11-06 | 2003-05-14 | 三菱电机株式会社 | Controller for multiple wound motor |
| JP2004201364A (en) * | 2002-12-16 | 2004-07-15 | Toyoda Mach Works Ltd | Electric motor device and steering system |
| CN101043197A (en) * | 2006-01-14 | 2007-09-26 | 康弗蒂姆有限公司 | Drive circuit |
| CN101320956A (en) * | 2007-06-05 | 2008-12-10 | Abb瑞士有限公司 | Method for operating a three-phase rotating electric machine and device for implementing the method |
| CN101499758A (en) * | 2007-11-26 | 2009-08-05 | 欧姆龙株式会社 | Controller for multi-phase electric motor |
| EP2412091A2 (en) * | 2009-03-25 | 2012-02-01 | Moog Japan Ltd. | Electric motor system |
| CN102625977A (en) * | 2009-03-25 | 2012-08-01 | 日本穆格股份有限公司 | Electric motor system |
| CN104137412A (en) * | 2012-02-24 | 2014-11-05 | 三菱电机株式会社 | Control device and method for ac rotary electrical machine, and electrical power steering device |
| CN102624316A (en) * | 2012-04-16 | 2012-08-01 | 杭州锐方科技有限公司 | Multiphase motor control system based on driving of multiphase matrix converter |
Non-Patent Citations (1)
| Title |
|---|
| 石艳等: "《船舶用矩阵变换器》", 《船电技术》 * |
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