CN206510766U - Rail vehicle auxiliary power supply - Google Patents
Rail vehicle auxiliary power supply Download PDFInfo
- Publication number
- CN206510766U CN206510766U CN201720037379.2U CN201720037379U CN206510766U CN 206510766 U CN206510766 U CN 206510766U CN 201720037379 U CN201720037379 U CN 201720037379U CN 206510766 U CN206510766 U CN 206510766U
- Authority
- CN
- China
- Prior art keywords
- voltage
- modulation
- rectifier
- control module
- inverter
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model provides a kind of rail vehicle auxiliary power supply, including：Rectifier, inverter, the first controller, second controller, rectifier access single-phase alternating current voltage source, and single-phase AC voltage is changed into DC voltage；Inverter is connected with the rectifier, and the DC voltage that rectifier is exported is changed into three-phase alternating voltage；It is connected by the first controller with rectifier, makes the DC voltage stability that rectifier is exported in first voltage set-point；And be connected by second controller with inverter, make the three-phase alternating voltage of the inverter output stable in second voltage set-point, so that rail vehicle auxiliary power supply obtains the supply voltage of voltage stabilization, fluctuated with the DC voltage for solving the rectifier of rail vehicle auxiliary power supply in the prior art, and the problem of the bad stability of the supply voltage of the rail vehicle auxiliary power supply caused.
Description
Technical field
The utility model is related to vehicle and powered field, more particularly to a kind of rail vehicle auxiliary power supply.
Background technology
Rail vehicle auxiliary power supply is the important composition portion of the rail vehicles such as motor-car, high ferro, subway, electric locomotive
Point, it provides supply voltage for equipment such as the air-conditionings, brake air compressor, charger of rail vehicle, it be rail vehicle stably, can
By the basis of operation.
In the prior art, the inverter of the traction invertor of rail vehicle and rail vehicle auxiliary power supply needs common
From the DC side power taking of the rectifier of rail vehicle auxiliary power supply, but it is due to that the start-stop of traction invertor can cause track
The DC voltage of the rectifier of vehicle auxiliary power supply is fluctuated, so as to cause the confession of rail vehicle auxiliary power supply
The bad stability of piezoelectric voltage.
Utility model content
The utility model provides a kind of rail vehicle auxiliary power supply, can be made with the start-stop solved due to traction invertor
DC voltage into the rectifier of rail vehicle auxiliary power supply is fluctuated, so as to cause rail vehicle auxiliary power supply to fill
The problem of bad stability for the supply voltage put.
The utility model provides a kind of rail vehicle auxiliary power supply, including：Rectifier, inverter, the first controller,
Second controller；
The rectifier is used to access single-phase alternating current voltage source, and the single-phase AC voltage is changed into direct current
Pressure；
The inverter is connected with the rectifier, and the DC voltage for the rectifier to be exported is changed into three and intersected
Flow voltage；
First controller is connected with the rectifier, for making the DC voltage stability of rectifier output the
One voltage set-point；
The second controller is connected with the inverter, for making the three-phase alternating voltage of the inverter output stable
In second voltage set-point.
Alternatively, the rectifier includes four insulated gate bipolar transistor IGBTs；First controller, including：
DC voltage outer shroud control module, the first modulating wave computing module, the first sinusoidal pulse width modulation (SPWM) module；The rectification
First voltage sensor is provided with device, the DC voltage outer shroud control module is used to receive from the first voltage sensor
The instantaneous value of the output voltage of the rectifier, and according to the first voltage set-point of the rectifier, calculating obtains the
One modulation voltage；The one modulating wave computing module is connected with the DC voltage outer shroud control module, for receiving described first
Modulation voltage, signal modulation is carried out to first modulation voltage, and calculating obtains the first modulation wave signal；The first SPWM modules point
It is not connected with the first modulating wave computing module and four IGBT, for receiving first modulation wave signal, and root
Calculated according to first modulation wave signal and obtain four tunnel the first pwm pulse drive signals, so that described in four of the rectifier
Direct current of the DC voltage value stabilization that IGBT is exported according to the first pwm pulse drive signal in the first voltage set-point
Voltage.
Alternatively, first controller, in addition to：Phase-locked loop module, current inner loop control module；
The current inner loop control module is calculated with the DC voltage outer shroud control module, first modulating wave respectively
Module and phase-locked loop module connection；The phase-locked loop module is also connected with the first modulating wave computing module；It is described
Second voltage sensor is provided with rectifier, the phase-locked loop module is used to receive described whole from the second voltage sensor
The instantaneous value of the input voltage of device, and the given angular frequency of the input voltage according to the rectifier are flowed, calculating obtains described whole
Flow the actual phase angle of the input voltage of device；The first current sensor, the current inner loop control are provided with the rectifier
Module, the instantaneous value of the input current for receiving the rectifier from first current sensor, from the DC voltage
Outer shroud control module receives first modulation voltage, received from the phase-locked loop module rectifier input voltage reality
Phase angle, and calculating obtains the second modulation voltage；The first modulating wave computing module, specifically for from the current inner loop control
Module receives second modulation voltage, received from the phase-locked loop module rectifier input voltage actual phase angle,
And signal modulation is carried out to second modulation voltage according to the actual phase angle of the input voltage of the rectifier, calculating obtains the
Two modulation wave signals；The first SPWM modules, are adjusted specifically for receiving second modulation wave signal, and according to described second
Ripple signal processed, calculating obtains four tunnel the second pwm pulse drive signals, so that four IGBT of the rectifier are according to described
DC voltage of the DC voltage value stabilization of second pwm pulse drive signal output in the first voltage set-point.
Alternatively, the inverter includes six IGBT；The second controller, including：Alternating current pressure ring control module,
Second modulating wave computing module, the 2nd SPWM modules；Tertiary voltage sensor, the alternating voltage are provided with the inverter
Ring control module is used for the instantaneous value that the output voltage of the inverter is received from the tertiary voltage sensor, and according to described
The second voltage set-point of inverter, calculating obtains the 3rd modulation voltage；The second modulating wave computing module is handed over described
The connection of Voltage loop control module is flowed, for receiving the 3rd modulation voltage, signal modulation is carried out to the 3rd modulation voltage, calculated
Obtain the 3rd modulation wave signal；The 2nd SPWM modules respectively with the second modulating wave computing module and six IGBT
Connection, the PWM arteries and veins of six tunnel the 3rd is obtained for receiving the 3rd modulation wave signal, and being calculated according to the 3rd modulation wave signal
Drive signal is rushed, so that the three-phase alternating current that six IGBT of the inverter are exported according to the 3rd pwm pulse drive signal
Voltage value stabilization is in the second voltage set-point.
Alternatively, the second controller, in addition to：Before the load current being connected with the second modulating wave computing module
Present control module；The second current sensor is provided with the inverter, the load-current feedforward control module is used for from institute
State the second current sensor and receive threephase load electric current, and calculating obtains the 4th modulation voltage；The second modulating wave computing module,
Specifically for receiving the 3rd modulation voltage, from the load-current feedforward control module from the alternating current pressure ring control module
The 4th modulation voltage is received, and signal modulation is carried out to the 3rd modulation voltage, the 4th modulation voltage, calculating obtains the 4th
Modulation wave signal；The 2nd SPWM modules, specifically for receiving the 4th modulation wave signal, and according to the described 4th modulation
Ripple signal of change obtains the pwm pulse drive signal of six tunnel the 4th, makes six IGBT of the inverter according to the 3rd PWM arteries and veins
The three-phase alternating voltage value stabilization of drive signal output is rushed in the second voltage set-point.
Alternatively, the second controller, in addition to：The dc bus electricity being connected with the second modulating wave computing module
Press feedforward control module；The DC bus-bar voltage feedforward control module is used to receive described whole from the first voltage sensor
The instantaneous value of the output voltage of device is flowed, and calculating obtains the 5th modulation voltage；The second modulating wave computing module, specifically for from
The alternating current pressure ring control module receives the 3rd modulation voltage, receives described the from the load-current feedforward control module
Four modulation voltages, receive the 5th modulation voltage from the DC bus-bar voltage feedforward control module, and to the 3rd modulation voltage,
4th modulation voltage, the 5th modulation voltage carry out signal modulation, and calculating obtains the 5th modulation wave signal；2nd SPWM
Module, six tunnels the 5th are obtained specifically for receiving the 5th modulation wave signal, and being calculated according to the 5th modulation wave signal
Pwm pulse signal, so that the three-phase alternating voltage that six IGBT of the inverter are exported according to the 5th pwm pulse signal
Value stabilization is in the second voltage set-point.
Alternatively, the rail vehicle auxiliary power supply, in addition to：AC inductance, DC capacitor, ac filter electricity
Sense, ac filter electric capacity, three-phase isolation transformer；
The AC inductance is connected with the input of the rectifier, and accesses the single-phase alternating current voltage source；It is described
DC capacitor is connected in parallel between the AC line of the output end of the rectifier, and the ac filter inductance is defeated with the inverter
Go out end connection, the ac filter electric capacity is connected in parallel between the AC line of the ac filter inductance output end, and described three are separated by
It is connected from transformer with the output end of the ac filter inductance.
It was found from embodiment of the present utility model, a kind of rectifier of rail vehicle auxiliary power supply of the present utility model
Single-phase alternating current voltage source is accessed, and single-phase AC voltage is changed into DC voltage；Inverter is connected with the rectifier, will
The DC voltage of rectifier output is changed into three-phase alternating voltage；It is connected by the first controller with rectifier, makes rectifier defeated
The DC voltage stability gone out is in first voltage set-point；And be connected by second controller with inverter, make the inverter defeated
The three-phase alternating voltage gone out is stable in second voltage set-point, so that rail vehicle auxiliary power supply obtains voltage stabilization
Supply voltage, fluctuated with the DC voltage for solving the rectifier of rail vehicle auxiliary power supply in the prior art,
And the problem of the bad stability of the supply voltage of the rail vehicle auxiliary power supply caused.
Brief description of the drawings
Fig. 1 is a kind of structural representation of rail vehicle auxiliary power supply shown in an exemplary embodiment；
Fig. 2 is the rectifier of embodiment illustrated in fig. 1 and the structural representation of inverter；
Fig. 3 is the structural representation of the first controller of embodiment illustrated in fig. 1；
Fig. 4 is another structural representation of the first controller of embodiment illustrated in fig. 1；
Fig. 5 is the structural representation of the second controller of embodiment illustrated in fig. 1；
Fig. 6 is another structural representation of the second controller of embodiment illustrated in fig. 1；
Fig. 7 is another structural representation of the second controller of embodiment illustrated in fig. 1；
Fig. 8 is a kind of flow signal of the control method of rail vehicle auxiliary power supply shown in an exemplary embodiment
Figure；
Fig. 9 is that a kind of flow of the control method of rail vehicle auxiliary power supply shown in another exemplary embodiment is shown
It is intended to.
Reference：
Rectifier 110, inverter 120, the first controller 130, second controller 140, insulated gate bipolar transistor
111st, DC voltage outer shroud control module 131, the first modulating wave computing module 132, the first SPWM modules 133, phase-locked loop module
134th, current inner loop control module 135, alternating current pressure ring control module 141, the second modulating wave computing module 142, the 2nd SPWM
Module 143, load-current feedforward control module 144, DC bus-bar voltage feedforward control module 145, AC inductance 150, direct current
Electric capacity 160, ac filter inductance 170, ac filter electric capacity 180, three-phase isolation transformer 190.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Fig. 1 is a kind of structural representation of rail vehicle auxiliary power supply shown in an exemplary embodiment, the track
Vehicle auxiliary power supply, including：Rectifier 110, inverter 120, the first controller 130, second controller 140；Rectifier
110 are used to access single-phase alternating current voltage source, and single-phase AC voltage is changed into DC voltage, and wherein rectifier 110 can be with
It is four-quadrant rectifier or other kinds of rectifier；Inverter 120 is connected with rectifier 110, for rectifier 110 to be exported
DC voltage be changed into three-phase alternating voltage, for providing power supply, such as air-conditioning, brake empty for the load equipment on rail vehicle
Press, illumination, charger even load equipment provide power supply；First controller 130 is connected with rectifier 110, for making rectifier
The DC voltage stability of 110 outputs is in first voltage set-point, wherein the first controller 130 can be specially control chip, the
One controller 130 is specially to electrically connect with rectifier 110, and the first controller 130 is by controlling rectifier 110 to make its output voltage
Stabilization is in first voltage set-point, and the first voltage set-point can be set according to the parameter of inverter 120；Second control
Device 140 is connected with inverter 120, for making the three-phase alternating voltage of the output of inverter 120 stable in second voltage set-point, its
Middle second controller can be specially control chip, and second controller 140 is specially to electrically connect with inverter 120, the second control
Device 140 is by controlling inverter 120 to make its output voltage stabilization in second voltage set-point, and the second voltage set-point can root
Set according to the voltage of load equipment.
From the present embodiment, the rectifier access single-phase alternating current of rail vehicle auxiliary power supply of the present utility model
Voltage source, and single-phase AC voltage is changed into DC voltage；Inverter is connected with rectifier, the direct current that rectifier is exported
Pressure is changed into three-phase alternating voltage；It is connected by the first controller with rectifier, the DC voltage stability that rectifier is exported is existed
First voltage set-point；And be connected by second controller with inverter, the three-phase alternating voltage stabilization that inverter is exported is existed
Second voltage set-point, so that rail vehicle auxiliary power supply obtains the supply voltage of voltage stabilization, it is existing to solve
The DC voltage of the rectifier of technology middle orbit vehicle auxiliary power supply is fluctuated, and the rail vehicle auxiliary caused is supplied
The problem of bad stability of the supply voltage of electric installation.
Fig. 2 is the rectifier of embodiment illustrated in fig. 1 and the structural representation of inverter, and Fig. 3 is the of embodiment illustrated in fig. 1
The structural representation of one controller, on the basis of above-described embodiment,
Rectifier 110 includes：Four insulated gate bipolar transistor (Insulated Gate Bipolar
Transistor, referred to as " IGBT ") 111；
First controller 130, including：DC voltage outer shroud control module 131, the first modulating wave computing module 132, first
Sinusoidal Pulse Width Modulation (Sinusoidal Pulse Width Modulation, referred to as " SPWM ") module 133；
First voltage sensor (not shown) is provided with rectifier 110, DC voltage outer shroud control module 131 is used
In the instantaneous value for the output voltage that rectifier is received from first voltage sensor, and according to the first voltage set-point of rectifier,
Calculating obtains the first modulation voltage；
Specifically, DC voltage outer shroud control module obtains the output voltage that first voltage sensor detects rectifier,
The 100Hz ripples being mingled with the output voltage of rectifier (secondary ripple) are filtered out by 2 rank Butterworth trappers, filtered
Except the instantaneous value of the output voltage of the rectifier of secondary ripple, now filter out the rectifier of secondary ripple output voltage it is instantaneous
Value is in a coordinate system a smooth straight line；The instantaneous value and rectifier of the output voltage of the rectifier of secondary ripple will be filtered out
First voltage set-point difference, by PI (Proportional Integral, referred to as " proportional integration ") regulations, amplitude limit
After processing, the first modulation voltage is obtained；
First modulating wave computing module 132 is connected with DC voltage outer shroud control module 131, is modulated for receiving first
Amount, signal modulation is carried out to the first modulation voltage, and calculating obtains the first modulation wave signal；
Specifically, by two DC components under two rotating coordinate systems of the first modulation voltage, it is then straight according to two
Flow component calculates and obtains the first modulation wave signal.
First SPWM modules 133 are connected with the first modulating wave computing module 132 and four IGBT111 respectively, for receiving
First modulation wave signal, and four tunnel the first pwm pulse drive signals are obtained according to the calculating of the first modulation wave signal, so that rectifier
The DC voltage value stabilizations that are exported according to the first pwm pulse drive signal of four IGBT first voltage set-point direct current
Pressure.
From the present embodiment, the rectifier of the present embodiment includes four IGBT, and the first controller is specifically included：Direct current
Outer shroud control module, the first modulating wave computing module, the first SPWM modules are pressed, the is obtained by DC voltage outer shroud control module
One modulation voltage, the first modulating wave computing module is connected with DC voltage outer shroud control module and receives the first modulation voltage, calculates
To the first modulation wave signal；First SPWM modules connect is connected and receives the first modulation wave signal with the first modulating wave computing module, raw
Cheng Silu the first pwm pulse drive signals so that four IGBT of rectifier according to the first pwm pulse drive signal export it is straight
DC voltage of the voltage value stabilization in first voltage set-point is flowed, the stable direct current of rectifier output voltage is further ensured
Electricity.
Fig. 4 is another structural representation of the first controller of embodiment illustrated in fig. 1, on the basis of above-described embodiment,
First controller 130, in addition to：Phase-locked loop module 134, current inner loop control module 135；
Current inner loop control module 135 respectively with DC voltage outer shroud control module 131, the first modulating wave computing module
132 and phase-locked loop module 134 connect；Phase-locked loop module 134 is also connected with the first modulating wave computing module 132；
Second voltage sensor (not shown) is provided with rectifier 110, phase-locked loop module 134 is used for from the second electricity
Pressure sensor receives the instantaneous value of the input voltage of rectifier, and the given angular frequency of the input voltage according to rectifier, calculates
Obtain the actual phase angle of the input voltage of rectifier；
Specifically, phase-locked loop module obtains the input voltage instantaneous value that the detection of second voltage sensor obtains rectifier, note
For Uin, the instantaneous value for the input voltage that the input voltage instantaneous value of rectifier is obtained by broad sense Second Order Integral (SOGI) computing
Estimate, be designated as Uα、Uβ, formula is as follows：
In formula, k is damped coefficient, and it is the actual angular frequency of input voltage to take k=0.6, ω.
By the estimate U of the input voltage instantaneous value of rectifierα、UβTwo-phase rotation seat is transformed into by two-phase rest frame
Mark system, obtains the d axis components U under two-phase rotating coordinate systemdWith q axis components Uq, coordinate transform formula is as follows：
By UqEntered to obtain angular frequency regulation error ω after PI regulations1, the given angular frequency of the input voltage of rectifierr
=200 π, ω1With ωrSummation obtains the actual angular frequency ω of input voltage, and ω, which is added up and is limited between 0-2 π, obtains rectification
The actual phase angle θ of the input voltage of device.
The first current sensor (not shown) is provided with rectifier 110, current inner loop control module 135 is used for
The instantaneous value of the input current of rectifier is received from the first current sensor, the first tune is received from DC voltage outer shroud control module
Amount processed, from phase-locked loop module receive rectifier input voltage actual phase angle, and calculate obtain the second modulation voltage；
Specifically, the first current sensor detects the instantaneous value of the input current of rectifier, I is designated asin, by rectifier
Input voltage instantaneous value IinThe estimate of the instantaneous value of the input voltage obtained by broad sense Second Order Integral (SOGI) computing, is designated as
Iα、Iβ；By the estimate I of the input voltage instantaneous value of rectifierα、IβTwo cordic phase rotators are transformed into by two-phase rest frame
System, obtains the d axis components I under two-phase rotating coordinate systemdWith q axis components Iq, by above-mentioned first modulation voltage Id_refRevolved as two-phase
Turn the d axis component set-points under coordinate system, IqWith Id_refDifference adjusted by PI, amplitude limiting processing obtains the d of the second modulation voltage
Axis component Uabd；Q axis component set-points value under two-phase rotating coordinate system is 0, and and IqIt is poor to make, difference is adjusted by PI,
Amplitude limiting processing obtains the d axis components U of the second modulation voltageabd, the second modulation voltage is (Uabd, Uabd)。
First modulating wave computing module 132, specifically for from current inner loop control module receive the second modulation voltage, from lock phase
Ring module receives the actual phase angle of the input voltage of rectifier, and according to the actual phase angle of the input voltage of rectifier to the
Two modulation voltages carry out signal modulation, and calculating obtains the second modulation wave signal；
Wherein, the calculation formula of the second modulation wave signal is as follows：
Uab=Uabd sin(θ)+Uabq cos(θ)
In formula, UabFor the second modulation wave signal (sine wave), θ is the reality for the input voltage that phase-locked loop module obtains rectifier
Border phase angle.
First SPWM modules 133, specifically for receiving the second modulation wave signal, and according to the second modulation wave signal, are calculated
Four tunnel the second pwm pulse drive signals are obtained, so that what four IGBT of rectifier were exported according to the second pwm pulse drive signal
DC voltage of the DC voltage value stabilization in first voltage set-point.
From the present embodiment, first controller of the present embodiment also includes：Phase-locked loop module, current inner loop control mould
Block, and current inner loop control module respectively with DC voltage outer shroud control module, the first modulating wave computing module and phaselocked loop
Module is connected；Phase-locked loop module is also connected with the first modulating wave computing module, and the present embodiment is calculated by phase-locked loop module and obtained
The actual phase angle of the input voltage of rectifier, current inner loop control module is according to wink of the input current of the rectifier received
Duration, from DC voltage outer shroud control module receive the first modulation voltage, the input voltage of rectifier is received from phase-locked loop module
Actual phase angle, and calculating obtains the second modulation voltage, the first modulating wave computing module receives second from current inner loop control module
Modulation voltage, receive from phase-locked loop module rectifier input voltage actual phase angle, and according to the input voltage of rectifier
Actual phase angle carries out signal modulation to the second modulation voltage, and calculating obtains the second modulation wave signal, and the first SPWM modules receive the
Two modulation wave signals, and according to the second modulation wave signal, calculating obtains four tunnel the second pwm pulse drive signals, so that rectifier
The DC voltage value stabilizations that are exported according to the second pwm pulse drive signal of four IGBT first voltage set-point direct current
Pressure, while so that rectifier four IGBT receive rectifier input current and the input voltage same-phase of rectifier, no
But the DC voltage for solving the rectifier of rail vehicle auxiliary power supply in the prior art is fluctuated, and the rail caused
The problem of bad stability of the supply voltage of road vehicle auxiliary power supply, also achieve the unity power factor of rectifier
Control, improves the available power of rectifier output.
Fig. 5 is the structural representation of the second controller of embodiment illustrated in fig. 1, on the basis of above-described embodiment,
With reference to Fig. 2, inverter 120 includes：Six IGBT111；
With reference to Fig. 5, second controller 140, including：Alternating current pressure ring control module 141, the second modulating wave computing module
142nd, the 2nd SPWM modules 143；
Tertiary voltage sensor (not shown) is provided with inverter 120, alternating current pressure ring control module 141 is used for
The instantaneous value of the output voltage of inverter is received from tertiary voltage sensor, and according to the second voltage set-point of inverter, meter
Calculation obtains the 3rd modulation voltage；
Wherein, the instantaneous value of the output voltage of inverter belongs to line voltage.
Specifically, alternating current pressure ring control module obtains the output triple line for the inverter that tertiary voltage sensor is detected
The instantaneous value of voltage, is designated as Uuv、Uvw, then Uwu=-(Uuv+Uvw)；By three-phase line voltage Uuv、Uvw、UwuBe converted to three-phase mutually electricity
Pressure, is designated as Ua、UbAnd Uc, conversion formula is as follows：
By Ua、UbAnd UcTwo-phase rotating coordinate system is transformed into by three-phase static coordinate system, two DC component U are obtainedd_2With
Uq_2, conversion formula is as follows：
Second voltage set-point is Ud_refAnd Uq_ref, Ud_refWith Ud_2Difference, Uq_refWith Uq_2Difference by PI regulation, limit
Width processing obtains the 3rd modulation voltage (Mud, Muq)。
Second modulating wave computing module 142 is connected with alternating current pressure ring control module 141, for receiving the 3rd modulation voltage,
Signal modulation is carried out to the 3rd modulation voltage, calculating obtains the 3rd modulation wave signal；
2nd SPWM modules 143 are connected with the second modulating wave computing module 142 and six IGBT respectively, for receiving the 3rd
Modulation wave signal, and the pwm pulse drive signal of six tunnel the 3rd is obtained according to the calculating of the 3rd modulation wave signal, so that the six of inverter
The three-phase alternating voltage value stabilization that individual IGBT is exported according to the 3rd pwm pulse drive signal is in second voltage set-point.
It was found from the present embodiment, the inverter of the present embodiment includes six IGBT, and second controller is specifically included：Alternating current
Pressure ring control module, the second modulating wave computing module, the 2nd SPWM modules；Inverter is received by alternating current pressure ring control module
Output voltage instantaneous value, and according to the second voltage set-point of inverter, calculating obtains the 3rd modulation voltage, the second modulating wave
Computing module receives the 3rd modulation voltage, and calculating obtains the 3rd modulation wave signal, and the 2nd SPWM modules receive the 3rd modulation wave signal,
And according to the 3rd modulation wave signal calculate obtain the pwm pulse drive signal of six tunnel the 3rd so that six IGBT of inverter according to
The three-phase alternating voltage value stabilization of 3rd pwm pulse drive signal output further ensures inversion in second voltage set-point
The three-phase alternating current of the output voltage stabilization of device.
Fig. 6 is another structural representation of the second controller of embodiment illustrated in fig. 1, on the basis of above-described embodiment,
Second controller 140, in addition to：The load-current feedforward control mould being connected with the second modulating wave computing module 142
Block 144；
The second current sensor (not shown) is provided with inverter, load-current feedforward control module 144 is used for
Threephase load electric current is received from the second current sensor, and calculating obtains the 4th modulation voltage；
Wherein, load-current feedforward control module obtains the threephase load that the second current sensor detects inverter output
Electric current, is designated as Ia, Ib, then Ic=- (Ia+Ib), and Ia, Ib, Ic are transformed into two-phase rotating coordinate system by three-phase static coordinate system,
Two DC components Id and Iq are obtained, Id and Iq are then multiplied by into Proportional coefficient K i respectively obtains the 4th modulation voltage.
Second modulating wave computing module 142, specifically for receiving the 3rd modulation voltage, from negative from alternating current pressure ring control module
Carry current feed-forward module and receive the 4th modulation voltage, and signal modulation is carried out to the 3rd modulation voltage, the 4th modulation voltage, calculate
To the 4th modulation wave signal；
2nd SPWM modules 143, specifically for receiving the 4th modulation wave signal, and are calculated according to the 4th modulation wave signal
To the pwm pulse drive signal of six tunnel the 4th, the three-phase for making six IGBT of inverter be exported according to the 3rd pwm pulse drive signal
Alternating voltage value stabilization is in second voltage set-point.
It was found from the present embodiment, the inverter of the present embodiment includes six IGBT, and second controller is specifically included：Alternating current
Pressure ring control module, the second modulating wave computing module, the 2nd SPWM modules, load-current feedforward control module, pass through alternating current
Pressure ring control module receives the instantaneous value of the output voltage of inverter, and according to the second voltage set-point of inverter, calculates
To the 3rd modulation voltage；Load-current feedforward control module receives threephase load electric current from the second current sensor, and calculating is obtained
4th modulation voltage, the second modulating wave computing module calculates according to the 3rd modulation voltage, the 4th modulation voltage and obtains the 4th modulation wave signal,
2nd SPWM modules receive the 4th modulation wave signal, and obtain the pwm pulse drive of six tunnel the 4th according to the calculating of the 4th modulation wave signal
Dynamic signal, so that the three-phase alternating voltage value stabilization that six IGBT of inverter are exported according to the 3rd pwm pulse drive signal exists
Second voltage set-point, it is ensured that the stable three-phase alternating current of inverter output voltage, and weaken when threephase load electric current becomes
The fluctuation of the three-phase alternating voltage of six IGBT outputs of caused inverter during change.
Fig. 7 is another structural representation of the second controller of embodiment illustrated in fig. 1, on the basis of above-described embodiment,
Second controller 140, in addition to：The DC bus-bar voltage feedforward control mould being connected with the second modulating wave computing module
Block 145；DC bus-bar voltage feedforward control module 145 is used for the wink that the output voltage of rectifier is received from first voltage sensor
Duration, and calculating obtains the 5th modulation voltage；
Specifically, DC bus-bar voltage feedforward control module obtains the output voltage that first voltage sensor receives rectifier
Instantaneous value Udc, its be inverter DC bus-bar voltage, intrinsic 100HZ ripple (secondary ripple), by Udc pass through 2 rank bars
Special Butterworth trapper filters out secondary ripple, then will filter out the instantaneous value of the output voltage of the rectifier of secondary ripple and be multiplied by ratio system
Number obtains the 5th modulation voltage.
Second modulating wave computing module 142, specifically for receiving the 3rd modulation voltage, from negative from alternating current pressure ring control module
Current feed-forward module is carried to receive the 4th modulation voltage, receive the 5th modulation voltage from DC bus-bar voltage feedforward control module, and
Signal modulation is carried out to the 3rd modulation voltage, the 4th modulation voltage, the 5th modulation voltage, calculating obtains the 5th modulation wave signal；
2nd SPWM modules 143, specifically for receiving the 5th modulation wave signal, and are calculated according to the 5th modulation wave signal
To the pwm pulse signal of six tunnel the 5th, so that the three-phase alternating current that six IGBT of inverter are exported according to the 5th pwm pulse signal
Value stabilization is pressed in second voltage set-point.
It was found from the present embodiment, the inverter of the present embodiment includes six IGBT, and second controller is specifically included：Alternating current
Pressure ring control module, the second modulating wave computing module, the 2nd SPWM modules, load-current feedforward control module, dc bus electricity
Feedforward control module is pressed, the output electricity of rectifier is received from first voltage sensor by DC bus-bar voltage feedforward control module
The instantaneous value of pressure, and calculate and obtain the 5th modulation voltage, the second modulating wave computing module receives the from alternating current pressure ring control module
Three modulation voltages, from load-current feedforward control module receive the 4th modulation voltage, from DC bus-bar voltage feedforward control module receive
5th modulation voltage, and signal modulation is carried out to the 3rd modulation voltage, the 4th modulation voltage, the 5th modulation voltage, calculating obtains the 5th modulation
Ripple signal, the 2nd SPWM modules receive the 5th modulation wave signal, and obtain the PWM of six tunnel the 5th according to the calculating of the 5th modulation wave signal
Pulse signal, so that the three-phase alternating voltage value stabilization that six IGBT of inverter are exported according to the 5th pwm pulse signal is
Two voltage set-points, while can weaken six IGBT outputs of the caused inverter when threephase load curent change three intersect
Flow the fluctuation of voltage and weaken the three-phase of six IGBT outputs of caused inverter when the output voltage fluctuation of rectifier
The fluctuation of alternating voltage.
Alternatively, on the basis of above-described embodiment, with reference to Fig. 2,
Above-mentioned rail vehicle auxiliary power supply, can also include：AC inductance 150, DC capacitor 160, ac filter
Inductance 170, ac filter electric capacity 180, three-phase isolation transformer 190；
AC inductance 150 is connected with the input of rectifier 110, and accesses single-phase alternating current voltage source；DC capacitor 160
It is connected in parallel between two AC lines of the output end of rectifier 110, the output end of ac filter inductance 170 and inverter 120 connects
Connect, ac filter electric capacity 180 is connected in parallel between three AC lines of the output end of ac filter inductance 170, three-phase isolation transformer
190 are connected with the output end of ac filter inductance 170.
Fig. 8 is a kind of flow signal of the control method of rail vehicle auxiliary power supply shown in an exemplary embodiment
Figure, the vehicle auxiliary power supply of the present embodiment includes：Rectifier, inverter, the first controller, second controller；Rectifier
Single-phase alternating current voltage source is accessed, rectifier is connected with inverter；First controller is connected with rectifier, second controller with it is inverse
Become device connection；The present embodiment includes：
Step 801：First controller receives the DC voltage of rectifier output, and given according to the first voltage of rectifier
Value, is adjusted to the DC voltage that rectifier is exported, so that the DC voltage stability of rectifier output is given in first voltage
Value.
Step 802：Second controller receives the three-phase alternating voltage of inverter output, and according to the second voltage of inverter
Set-point, the voltage of the three-phase alternating current exported to inverter is adjusted, so that the three-phase alternating voltage of inverter output is steady
It is scheduled on second voltage set-point.
From the present embodiment, a kind of control method of rail vehicle auxiliary power supply of the present utility model passes through first
Controller receives the DC voltage of rectifier output, and the direct current exported according to the first voltage set-point rectifier of rectifier
Pressure is adjusted, so that the DC voltage stability of rectifier output is in first voltage set-point；And received by second controller
The three-phase alternating voltage of inverter output, and according to the second voltage set-point of inverter, the three-phase alternating current exported to inverter
The voltage of electricity is adjusted, so that the three-phase alternating voltage of inverter output is stablized in second voltage set-point, it is existing to solve
The DC voltage of the rectifier of technology middle orbit vehicle auxiliary power supply is fluctuated, and the rail vehicle auxiliary caused is supplied
The problem of bad stability of the supply voltage of electric installation.
Fig. 9 is that a kind of flow of the control method of rail vehicle auxiliary power supply shown in another exemplary embodiment is shown
It is intended to, on the basis of above-described embodiment, the present embodiment includes：
Rectifier includes four IGBT；First controller, including：DC voltage outer shroud control module, phase-locked loop module, electricity
Flow inner ring control module, the first modulating wave computing module, the first SPWM modules；DC voltage outer shroud control module and current inner loop
Control module is connected, and the connection of current inner loop control module is connected with the first modulating wave computing module, the first modulating wave computing module
Connection is connected with the first SPWM modules, and phase-locked loop module connects with current inner loop control module, the first modulating wave computing module respectively
Connect；
Inverter includes six IGBT；Second controller, including：Alternating current pressure ring control module, load-current feedforward control
Molding block, DC bus-bar voltage feedforward control module, the second modulating wave computing module, the 2nd SPWM modules；Second modulating wave meter
Calculate module respectively with alternating current pressure ring control module, load-current feedforward control module, DC bus-bar voltage feedforward control module,
2nd SPWM modules are connected；
This method includes：
Step 901：DC voltage outer shroud control module receives rectification from the first voltage sensor being arranged on rectifier
The instantaneous value of the output voltage of device, and according to the first voltage set-point of rectifier, calculating obtains the first modulation voltage；
Step 902：Phase-locked loop module receives the input electricity of rectifier from the second voltage sensor being arranged on rectifier
The instantaneous value of pressure, and the given angular frequency of the input voltage according to rectifier, calculate the reality for the input voltage for obtaining rectifier
Phase angle；
Step 903：Current inner loop control module receives rectifier from the first current sensor being arranged on rectifier
The instantaneous value of input current, from DC voltage outer shroud control module receive the first modulation voltage, from the first current sensor receive it is whole
The actual phase angle of the input voltage of device is flowed, and calculating obtains the second modulation voltage；
Step 904：First modulating wave computing module receives the second modulation voltage, from phaselocked loop mould from current inner loop control module
Block receives the actual phase angle of the input voltage of rectifier, and is adjusted according to the actual phase angle of the input voltage of rectifier to second
Amount processed carries out signal modulation, and calculating obtains the second modulation wave signal；
Step 905：First SPWM modules receive the second modulation wave signal, and according to the second modulation wave signal, calculate
To four tunnel the second pwm pulse drive signals；
Step 906：Four IGBT of rectifier receive the second pwm pulse drive signal, and are driven according to the second pwm pulse
DC voltage of the signal output voltage value stabilization in first voltage set-point.
Step 907：Alternating current pressure ring control module receives inverter from the tertiary voltage sensor being arranged on inverter
Output voltage instantaneous value, and according to the second voltage set-point of inverter, calculating obtains the 3rd modulation voltage；
Step 908：Load-current feedforward control module receives three-phase from the second current sensor being arranged on inverter
Load current, and calculating obtains the 4th modulation voltage；
Step 909：DC bus-bar voltage feedforward control module is received from the first voltage sensor being arranged on rectifier
The instantaneous value of the output voltage of rectifier, and calculating obtains the 5th modulation voltage；
Step 910：Second modulating wave computing module receives the 3rd modulation voltage, the 4th modulation voltage, the 5th modulation voltage, and to the
Three modulation voltages, the 4th modulation voltage, the 5th modulation voltage carry out signal modulation, and calculating obtains the 5th modulation wave signal；
Step 911：2nd SPWM modules receive the 5th modulation wave signal, and obtain six according to the calculating of the 5th modulation wave signal
Road pwm pulse signal；
Step 912：Six IGBT of inverter receive the 5th pwm pulse drive signal, and are driven according to the 5th pwm pulse
Three-phase alternating voltage of the signal output voltage value stabilization in second voltage set-point.
From the present embodiment, the present embodiment calculates the actual phase for the input voltage for obtaining rectifier by phase-locked loop module
Parallactic angle, current inner loop control module is controlled according to the instantaneous value of the input current of the rectifier received, from DC voltage outer shroud
Module receives the first modulation voltage, received from phase-locked loop module rectifier input voltage actual phase angle, and calculate and obtain the
Two modulation voltages, the first modulating wave computing module receives the second modulation voltage from current inner loop control module, received from phase-locked loop module
The actual phase angle of the input voltage of rectifier, and the second modulation voltage is entered according to the actual phase angle of the input voltage of rectifier
Row signal modulation, calculating obtains the second modulation wave signal, and the first SPWM modules receive the second modulation wave signal, and are adjusted according to second
Ripple signal processed, calculating obtains four tunnel the second pwm pulse drive signals, so that four IGBT of rectifier are according to the second pwm pulse
Drive signal output DC voltage value stabilization first voltage set-point DC voltage, while so that four of rectifier
The input current and the input voltage same-phase of rectifier for the rectifier that IGBT is received, not only solve railcar in the prior art
The DC voltage of the rectifier of auxiliary power supply is fluctuated, and the power supply of the rail vehicle auxiliary power supply caused
The problem of bad stability of voltage, the control of the unity power factor of rectifier is also achieved, improve rectifier output
Available power.Meanwhile, the output electricity of rectifier is received from first voltage sensor by DC bus-bar voltage feedforward control module
The instantaneous value of pressure, and calculate and obtain the 5th modulation voltage, the second modulating wave computing module receives the from alternating current pressure ring control module
Three modulation voltages, from load-current feedforward control module receive the 4th modulation voltage, from DC bus-bar voltage feedforward control module receive
5th modulation voltage, and signal modulation is carried out to the 3rd modulation voltage, the 4th modulation voltage, the 5th modulation voltage, calculating obtains the 5th modulation
Ripple signal, the 2nd SPWM modules receive the 5th modulation wave signal, and obtain the PWM of six tunnel the 5th according to the calculating of the 5th modulation wave signal
Pulse signal, so that the three-phase alternating voltage value stabilization that six IGBT of inverter are exported according to the 5th pwm pulse signal is
Two voltage set-points, while can weaken six IGBT outputs of the caused inverter when threephase load curent change three intersect
Flow the fluctuation of voltage and weaken the three-phase of six IGBT outputs of caused inverter when the output voltage fluctuation of rectifier
The fluctuation of alternating voltage.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (7)
1. a kind of rail vehicle auxiliary power supply, it is characterised in that including：Rectifier, inverter, the first controller, second
Controller；
The rectifier is used to access single-phase alternating current voltage source, and the single-phase AC voltage is changed into DC voltage；
The inverter is connected with the rectifier, and the DC voltage for the rectifier to be exported is changed into three-phase alternating current
Pressure；
First controller is connected with the rectifier, for making the DC voltage stability of the rectifier output in the first electricity
Press set-point；
The second controller is connected with the inverter, for making the three-phase alternating voltage of inverter output stable the
Two voltage set-points.
2. rail vehicle auxiliary power supply according to claim 1, it is characterised in that the rectifier includes four absolutely
Edge grid bipolar transistor IGBT；
First controller, including：DC voltage outer shroud control module, the first modulating wave computing module, the first sine pulse
Width modulation (SPWM) module；
First voltage sensor is provided with the rectifier, the DC voltage outer shroud control module is used for from the described first electricity
Pressure sensor receives the instantaneous value of the output voltage of the rectifier, and given according to the first voltage of the rectifier
Value, calculating obtains the first modulation voltage；
The one modulating wave computing module is connected with the DC voltage outer shroud control module, for receiving first modulation
Amount, signal modulation is carried out to first modulation voltage, and calculating obtains the first modulation wave signal；
The first SPWM modules are connected with the first modulating wave computing module and four IGBT respectively, for receiving
The first modulation wave signal is stated, and four tunnel the first pwm pulse drive signals are obtained according to first modulation wave signal calculating, so that
The DC voltage value stabilization that four IGBT of the rectifier are exported according to the first pwm pulse drive signal is described
The DC voltage of first voltage set-point.
3. rail vehicle auxiliary power supply according to claim 2, it is characterised in that first controller, is also wrapped
Include：Phase-locked loop module, current inner loop control module；
The current inner loop control module respectively with the DC voltage outer shroud control module, the first modulating wave computing module
And the phase-locked loop module connection；The phase-locked loop module is also connected with the first modulating wave computing module；
Second voltage sensor is provided with the rectifier, the phase-locked loop module is used to connect from the second voltage sensor
The instantaneous value of the input voltage of the rectifier, and the given angular frequency of the input voltage according to the rectifier are received, is calculated
To the actual phase angle of the input voltage of the rectifier；
It is provided with the first current sensor on the rectifier, the current inner loop control module, for from first electric current
Sensor receives the instantaneous value of the input current of the rectifier, receives described first from the DC voltage outer shroud control module
Modulation voltage, receive from the phase-locked loop module rectifier input voltage actual phase angle, and calculate and obtain the second tune
Amount processed；
The first modulating wave computing module, specifically for from the current inner loop control module receive second modulation voltage,
The actual phase angle of the input voltage of the rectifier is received from the phase-locked loop module, and according to the input electricity of the rectifier
The actual phase angle of pressure carries out signal modulation to second modulation voltage, and calculating obtains the second modulation wave signal；
The first SPWM modules, specifically for receiving second modulation wave signal, and according to second modulation wave signal,
Calculating obtains four tunnel the second pwm pulse drive signals, so that four IGBT of the rectifier are according to the 2nd PWM arteries and veins
Rush DC voltage of the DC voltage value stabilization in the first voltage set-point of drive signal output.
4. rail vehicle auxiliary power supply according to claim 1, it is characterised in that
The inverter includes six IGBT；The second controller, including：Alternating current pressure ring control module, the second modulating wave
Computing module, the 2nd SPWM modules；
Tertiary voltage sensor is provided with the inverter, the alternating current pressure ring control module is used for from the tertiary voltage
Sensor receives the instantaneous value of the output voltage of the inverter, and according to the second voltage set-point of the inverter,
Calculating obtains the 3rd modulation voltage；
The second modulating wave computing module is connected with the alternating current pressure ring control module, for receiving the 3rd modulation
Amount, signal modulation is carried out to the 3rd modulation voltage, and calculating obtains the 3rd modulation wave signal；
The 2nd SPWM modules are connected with the second modulating wave computing module and six IGBT respectively, for receiving
The 3rd modulation wave signal is stated, and the pwm pulse drive signal of six tunnel the 3rd is obtained according to the 3rd modulation wave signal calculating, so that
The three-phase alternating voltage value stabilization that six IGBT of the inverter are exported according to the 3rd pwm pulse drive signal is described
Second voltage set-point.
5. rail vehicle auxiliary power supply according to claim 4, it is characterised in that the second controller, is also wrapped
Include：The load-current feedforward control module being connected with the second modulating wave computing module；
The second current sensor is provided with the inverter, the load-current feedforward control module is used for from the described second electricity
Flow sensor receives threephase load electric current, and calculating obtains the 4th modulation voltage；
The second modulating wave computing module, specifically for receiving the 3rd modulation from the alternating current pressure ring control module
Measure, the 4th modulation voltage is received from the load-current feedforward control module, and the 3rd modulation voltage, the described 4th are adjusted
Amount processed carries out signal modulation, and calculating obtains the 4th modulation wave signal；
The 2nd SPWM modules, specifically for receiving the 4th modulation wave signal, and according to the 4th modulation wave signal
Calculating obtains the pwm pulse drive signal of six tunnel the 4th, six IGBT of the inverter is driven according to the 3rd pwm pulse
The three-phase alternating voltage value stabilization of signal output is in the second voltage set-point.
6. rail vehicle auxiliary power supply according to claim 5, it is characterised in that the second controller, is also wrapped
Include：The DC bus-bar voltage feedforward control module being connected with the second modulating wave computing module；
The DC bus-bar voltage feedforward control module is used for the output that the rectifier is received from the first voltage sensor
The instantaneous value of voltage, and calculating obtains the 5th modulation voltage；
The second modulating wave computing module, specifically for receiving the 3rd modulation from the alternating current pressure ring control module
Amount, receive from the load-current feedforward control module the 4th modulation voltage, from the DC bus-bar voltage feedforward control mould
Block receives the 5th modulation voltage, and carries out signal to the 3rd modulation voltage, the 4th modulation voltage, the 5th modulation voltage
Modulation, calculating obtains the 5th modulation wave signal；
The 2nd SPWM modules, specifically for receiving the 5th modulation wave signal, and according to the 5th modulation wave signal
Calculating obtains the pwm pulse signal of six tunnel the 5th, so that six IGBT of the inverter are defeated according to the 5th pwm pulse signal
The three-phase alternating voltage value stabilization gone out is in the second voltage set-point.
7. according to any described rail vehicle auxiliary power supplies of claim 1-6, it is characterised in that also include：Alternating current
Sense, DC capacitor, ac filter inductance, ac filter electric capacity, three-phase isolation transformer；
The AC inductance is connected with the input of the rectifier, and accesses the single-phase alternating current voltage source；The direct current
Electric capacity is connected in parallel between two AC lines of the output end of the rectifier, and the ac filter inductance is defeated with the inverter
Go out end connection, the ac filter electric capacity is connected in parallel between three AC lines of the ac filter inductance output end, described three
The output end that transformer is isolated with the ac filter inductance is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037379.2U CN206510766U (en) | 2017-01-11 | 2017-01-11 | Rail vehicle auxiliary power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037379.2U CN206510766U (en) | 2017-01-11 | 2017-01-11 | Rail vehicle auxiliary power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206510766U true CN206510766U (en) | 2017-09-22 |
Family
ID=59864701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720037379.2U Active CN206510766U (en) | 2017-01-11 | 2017-01-11 | Rail vehicle auxiliary power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206510766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541829A (en) * | 2017-01-11 | 2017-03-29 | 西安中车永电捷通电气有限公司 | Rail vehicle auxiliary power supply and its control method |
| CN110797956A (en) * | 2018-08-01 | 2020-02-14 | 株洲中车时代电气股份有限公司 | Power supply system for railway wagon |
-
2017
- 2017-01-11 CN CN201720037379.2U patent/CN206510766U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541829A (en) * | 2017-01-11 | 2017-03-29 | 西安中车永电捷通电气有限公司 | Rail vehicle auxiliary power supply and its control method |
| CN106541829B (en) * | 2017-01-11 | 2023-08-22 | 西安中车永电捷通电气有限公司 | Auxiliary power supply device for railway vehicle and control method thereof |
| CN110797956A (en) * | 2018-08-01 | 2020-02-14 | 株洲中车时代电气股份有限公司 | Power supply system for railway wagon |
| CN110797956B (en) * | 2018-08-01 | 2023-04-14 | 株洲中车时代电气股份有限公司 | Power supply system for railway wagon |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111162699B (en) | Large-power direct-drive permanent magnet electric transmission system for electric locomotive | |
| CN104270062B (en) | Open winding induction motor 3H axle driving system | |
| CN109412425B (en) | Three-level-four-quadrant frequency converter with direct voltage fluctuation suppression function and control method | |
| EP3796538B1 (en) | Capacitor size reduction and lifetime extension for cascaded h-bridge drives | |
| CN102983620B (en) | A kind of AuCT and control method for parallel thereof | |
| CN106385191A (en) | Unified discontinuous modulation strategy-based three-electric level neutral-point voltage control method | |
| CN106357135A (en) | VIENNA rectifier neutral point potential alternating-direct-current component balance control method | |
| CN104753362A (en) | Matrix converter, wind power generation system, and method for controlling matrix converter | |
| CN105141144B (en) | The suppressing method of high voltage converter median generatrix voltage pulsation | |
| CN102774294B (en) | Energy feedback type traction power supply device based on series compensation transformer | |
| CN104660082B (en) | The analysis method of three-level current transformer harmonic wave of output voltage | |
| CN107394818A (en) | A kind of energy-storage battery based on energy accumulation current converter is incorporated into the power networks control method and device | |
| CN106130072A (en) | A kind of have bank electricity and the composite power source of energy feedback function | |
| CN102723908A (en) | Integrated control method of energy feedback frequency converter | |
| CN206510766U (en) | Rail vehicle auxiliary power supply | |
| Anand et al. | DC voltage controller for asymmetric-twin-converter-topology-based high-power STATCOM | |
| CN104300817B (en) | The control method of T-shaped three level SVPWM in energy conversion system | |
| CN203580682U (en) | Low-harmonic energy-regenerative traction power supply device with high output power | |
| CN106786562A (en) | The self-excitation activation system and method for a kind of SSSC | |
| CN110391666B (en) | Mixed MMC control method, device and controller | |
| CN202488369U (en) | Energy-feedback traction power unit | |
| CN206442313U (en) | EMUs auxiliary power supply system main circuit | |
| CN106541829A (en) | Rail vehicle auxiliary power supply and its control method | |
| CN116667437A (en) | Flexible interconnection control system, method, device and medium for isolation-free transformer | |
| CN106602914A (en) | Modular multilevel converter control simplification method based on two-level SVPWM method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |