CN106602949A - Rail milling machine generator circuit - Google Patents
Rail milling machine generator circuit Download PDFInfo
- Publication number
- CN106602949A CN106602949A CN201611248369.XA CN201611248369A CN106602949A CN 106602949 A CN106602949 A CN 106602949A CN 201611248369 A CN201611248369 A CN 201611248369A CN 106602949 A CN106602949 A CN 106602949A
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- China
- Prior art keywords
- voltage
- generator
- circuit
- output
- rail milling
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/008—Arrangements for controlling electric generators for the purpose of obtaining a desired output wherein the generator is controlled by the requirements of the prime mover
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a rail milling machine generator circuit which includes a generator principal winding, a generator excitation mechanism, a power supply circuit, and an output voltage regulating circuit. The generator principal winding outputs a voltage to power loads. The generator excitation mechanism regulates the voltage output by the generator principal winding. The power supply circuit powers loads. The output voltage regulating circuit regulates the magnitude of an excitation current of the generator excitation mechanism, limits the voltage output by a generator within a preset voltage range when a rail milling machine is at an operation mode, and controls the voltage output by the generator to be a preset first voltage value when the rail milling machine is at a work mode. According to the invention, the rail milling machine generator circuit can output constant working voltage when a train is at a work mode, and output a voltage which changes along with the varying rotation speed of a diesel engine when the train is at the operation mode, thus meeting the requirements of actual working conditions for the rail milling machine.
Description
Technical field
The present invention relates to rail prosthetic appliance technical field, more particularly to a kind of rail milling car generator circuit.
Background technology
Rail milling train is a kind of novel steel rail prosthetic appliance, and it adopts the side of moulding by some groups of facing cutters
Formula removes Rail Surface material, eliminates steel rail defect, improves ride comfort.Milling depth of rail milling train is big, and one time i.e.
Can fulfil assignment, operating speed is up to 2500m/h.No-spark, dust etc. in the course of work, iron filings can be collected, environmental friendliness.It is horizontal
To and to repair high precision, working service low cost, circuit adaptability good for longitudinal direction, guard rail and advertiser need not be removed, adapted to
The little gauge such as subway is required.
Rail milling train is made up of two sections, is divided into power car and Operation Van, and two cars are connected by rigid connecting rod.Power
Car A is used to provide power for car load traveling, operation, and there is belt sanding function.Mainly include car body, driven bogie, move
Power bogie, drivers' cab, power and drive system, fuel tank, belt sanding device, Electric Appliance Cabinet, brakes, electrical system
Deng.Operation Van B is the separate unit of rail milling operation, mainly by car body, vehicle frame, two groups of driven bogies, milling attachment, collection
Bits system, electrical system, operation-control system and aid system etc. are constituted.
Rail milling car diesel generating set is that whole train operation and operation provide whole power, mainly by diesel-driven generator
Group, gas handling system, gas extraction system, fuel system installation, drainage, cooling system composition.Diesel generating set is arranged in dynamic
In power car powerhouse, it is connected with vehicle frame by public underframe and vibration isolator.The type of belt drive of rail milling car is internal combustion-alternating current
Transmission, i.e., adopt Electric Drive in high-speed cruising and low constant speed operation, drive electromotor by diesel engine, by being driven dress
Put, realize the running under power of car load.
Trailer system mainly by electromotor, traction convertor, current transformer cooling and resistive braking device, axle gear box,
Traction electric machine, AuCT etc. are constituted.Electromotor is responsible for drive system under the driving of electromotor and provides AC550V/50HZ
Power supply, Jing current transformers drive traction electric machine.Traction motor mainly has two kinds of operating modes, operating condition and working condition.Operation work
Condition is a kind of interrupted speed change working condition, and feature is traction motor interrupter duty, and power is larger；Working condition is a kind of continuous
Low constant speed operating mode, feature are that traction motor continuously works, and power is less, and as speed is low, frequency is low, and voltage is low, therefore phase
It is larger to electric current.In consideration of it, a kind of generator circuit that disclosure satisfy that rail milling car actual requirement of design is art technology
Personnel's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of rail milling car generator circuit, to meet the actual motion of rail milling car
And the requirement of operation.
To solve above-mentioned technical problem, the present invention provides a kind of rail milling car generator circuit, including：
Generator main winding, generator excitation mechanism, power supply circuits, output voltage regulation circuit；
Wherein, it is load supplying that the generator main winding is used for output voltage；The generator excitation mechanism is used to adjust
Save the voltage of the generator main winding output；The power supply circuits are used for as load supplying；The output voltage regulation circuit
For adjusting the size of the exciting current of the generator excitation mechanism, electromotor is controlled when rail milling car is operational mode
The voltage of output is located in predetermined voltage range, and the voltage that electromotor output is controlled when rail milling car is work pattern is pre-
If first voltage value.
Alternatively, the default first voltage value is 380V.
Alternatively, the predetermined voltage range is 250V to 550V.
Alternatively, the generator excitation mechanism includes：Energized stator, rotor, rectifier bridge, varistor and voltage are adjusted
Section device；
The energized stator and rotor are used to producing alternating current, and the rectifier bridge is for the alternating current of generation is converted to
Unidirectional current, the varistor are used for short-circuit protection, and the voltage regulator is used for described by the voltage swing control of input
The size of the exciting current of generator excitation mechanism.
Alternatively, the output voltage regulation circuit includes：It is changeable with the contact at the voltage regulator two ends respectively
The first connected control loop and the second control loop；
First control loop includes relay, touches for the closure switch when the rail milling car is operational mode
Point, so that the short envelope in contact at the voltage regulator two ends；
Second control loop includes divider resistance, power module, input power, one end of the divider resistance and institute
State voltage regulator the first contact be connected, the other end is connected with the positive pole of the power module, the power module it is positive and negative
Pole is connected with input power, for the voltage at the voltage regulator two ends is controlled when the rail milling car is work pattern
For default second voltage value.
Alternatively, the output voltage adjustable extent of the power module is 0-15V；The default second voltage value is
0.2V。
Alternatively, the resistance of the divider resistance is 20K Ω, and power is 1W.
Alternatively, also include：Current transformer, for detecting the size of the electric current of electromotor output.
Alternatively, also include：Chopper, for the disconnecting circuit when unidirectional ground connection, phase fault or overload is detected.
Rail milling car generator circuit provided by the present invention, including generator main winding, generator excitation mechanism, confession
Circuit, output voltage regulation circuit；Generator main winding output voltage is load supplying；Generator excitation mechanism adjusts and generates electricity
The voltage of owner's winding output；Power supply circuits are load supplying；Output voltage regulation circuit regulator generator excitation mechanism is encouraged
The size of magnetoelectricity stream, the voltage that electromotor output is controlled when rail milling car is operational mode are located in predetermined voltage range,
The voltage that electromotor output is controlled when rail milling car is work pattern is default first voltage value.Steel provided by the present invention
Rail milling car generator circuit, can export constant operating voltage, and be operating condition in train when train is working condition
When output with diesel engine speed change and change voltage, meet the actual condition demand of rail milling car.
Description of the drawings
For the clearer explanation embodiment of the present invention or the technical scheme of prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart of specific embodiment of rail milling car generator circuit provided by the present invention；
Fig. 2 is the schematic diagram of another kind of specific embodiment of rail milling car generator circuit provided by the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
A kind of structured flowchart such as Fig. 1 institutes of the specific embodiment of rail milling car generator circuit provided by the present invention
Show, the circuit includes：
Generator main winding 1, generator excitation mechanism 2, power supply circuits 3, output voltage regulation circuit 4；
Wherein, it is load supplying that the generator main winding 1 is used for output voltage；The generator excitation mechanism 2 is used for
Adjust the voltage of the generator main winding output；The power supply circuits 3 are used for as load supplying；The output voltage adjusts electricity
Road 4 is used for the size of the exciting current for adjusting the generator excitation mechanism, and the control when rail milling car is operational mode is sent out
The voltage of motor output is located at the voltage for controlling electromotor output in predetermined voltage range when rail milling car is work pattern
For default first voltage value.
It is pointed out that traction motor mainly has two kinds of operating modes, operating condition and working condition.Operating condition is one
Kind interrupted speed change working condition, feature is traction motor interrupter duty, and power is larger；Working condition is a kind of continuous low constant speed
Operating mode, feature are that traction motor continuously works, and power is less, and as speed is low, frequency is low, and voltage is low, and Opposed Current is larger.
It can be 380V that first voltage value is preset in the embodiment of the present invention, and predetermined voltage range is 250V to 550V.Set by such
Put, it is ensured that electromotor exports 380V running voltages under rail milling car work pattern, and in operational mode, voltage is with diesel engine
Rotation speed change and change, adjust in the range of the 250V-550V.
Rail milling car generator circuit provided by the present invention, including generator main winding, generator excitation mechanism, confession
Circuit, output voltage regulation circuit；Generator main winding output voltage is load supplying；Generator excitation mechanism adjusts and generates electricity
The voltage of owner's winding output；Power supply circuits are load supplying；Output voltage regulation circuit regulator generator excitation mechanism is encouraged
The size of magnetoelectricity stream, the voltage that electromotor output is controlled when rail milling car is operational mode are located in predetermined voltage range,
The voltage that electromotor output is controlled when rail milling car is work pattern is default first voltage value.Steel provided by the present invention
Rail milling car generator circuit, can export constant operating voltage, and be operating condition in train when train is working condition
When output with diesel engine speed change and change voltage, meet the actual condition demand of rail milling car.
On the basis of above-described embodiment, in generator circuit provided by the present invention, generator excitation mechanism can have
Body includes：Energized stator, rotor, rectifier bridge, varistor and voltage regulator；The energized stator and rotor are used to produce
Raw alternating current, for the alternating current of generation is converted to unidirectional current, the varistor is used for short-circuit protection, institute to the rectifier bridge
Voltage regulator is stated for the size by the exciting current of the voltage swing control generator excitation mechanism of input.
Further, output voltage regulation circuit can be specifically included：Contact with the voltage regulator two ends respectively
Changeable the first connected control loop and the second control loop；
First control loop includes relay, touches for the closure switch when the rail milling car is operational mode
Point, so that the contact short at the voltage regulator two ends；
Second control loop includes divider resistance, power module, input power, one end of the divider resistance and institute
State voltage regulator the first contact be connected, the other end is connected with the positive pole of the power module, the power module it is positive and negative
Pole is connected with input power, for the voltage at the voltage regulator two ends is controlled when the rail milling car is work pattern
For default second voltage value.
Wherein, the output voltage adjustable extent of power module is 0-15V；Default second voltage value is 0.2V；Divider resistance
Resistance be 20K Ω, power is 1W.
When rail milling car is to run module, the contact of relay remains closed, the short envelope in 2 points of contacts of voltage regulator,
So generator output voltage is raised with diesel engine speed and is raised, until electromotor output rated voltage.In rail milling
When car is work pattern, the contact of relay disconnects, and diesel engine speed is constant, and power module is between two terminal contacts of voltage regulator
Voltage is accessed, generator output voltage can be adjusted to preset voltage value, such as 380V by peripheral circuit.The present invention in parallel two
The switching of bar circuit, realizes free switching of the rail milling car electromotor under operating condition and working condition, simple easy
Realize, with practicality.
On the basis of any of the above-described embodiment, generator circuit provided by the present invention can further include：Electricity
Current transformer, for detecting the size of the electric current of electromotor output.
Additionally, the embodiment of the present invention can also include：Chopper, for detecting unidirectional ground connection, phase fault or mistake
Disconnecting circuit during load.Circuit protection can be carried out to whole generator circuit by the setting of chopper, the peace of circuit is improve
Quan Xing.
With reference to the signal of another kind of specific embodiment of Fig. 2 rail milling car generator circuits provided by the present invention
Figure, in figure, dotted line inframe in the upper left corner is the device in rail milling car electromotor, is generator excitation mechanism on the left of dotted line frame, empty
It is generator main winding on the right side of wire frame.Dotted line frame below portion is electromotor peripheral circuit, and left side is that output voltage adjusts electricity
Road, right side are generator powered circuit.The voltage of excitation system regulator generator main winding output；Main winding output voltage is negative
Carry power supply.Power supply circuits are used for as load supplying.Output voltage regulation circuit is used to adjust encouraging for the generator excitation mechanism
The size of magnetoelectricity stream, the control electromotor output 220V-550V voltages when rail milling car is operational mode, in rail milling car
For work pattern when control electromotor output voltage be 380V.
Wherein, excitation mechanism includes：Energized stator, rotor, rectifier bridge, varistor and voltage regulator.Excitation is fixed
Son and rotor are used to produce alternating current, and the alternating current of generation is converted to unidirectional current by rectifier bridge, and varistor is used for short circuit guarantor
Shield, voltage regulator are used for the size of the exciting current that generator excitation mechanism is controlled by the voltage swing of input.
Output voltage regulation circuit includes：The first control being connected changeable with the contact at the voltage regulator two ends respectively
Loop processed and the second control loop.Can be by the voltage of electromotor in 550V by the first control loop and the second control loop
Switch over and 380V between.First control loop includes relay KA20.Second control loop includes divider resistance R3, power supply
Module DY2, DY2 bottom is two DC24V input power cords.XC3, XB3, XC1 are binding post, and C-G1.2 is electromotor to connecing
The power distribution cabinet that line terminals are located.
Additionally, also including in the embodiment of the present invention：Current transformer：TA1, TA2, TA3, for detecting electromotor output electricity
Stream.Circuit of the present invention is further provided with：G1 choppers, for the feelings for occurring unidirectional ground connection, phase fault, overload in circuit
Automatic shutoff circuit under condition, to protect to generator circuit.
If as shown in Fig. 2 when the 2 points of short envelopes of "+" "-" in generator voltage controller AVR1, electromotor output electricity
Pressure is raised with diesel engine speed and is raised, until electromotor output rated voltage；If not short envelope, i.e. KA20 disconnects, voltage
"+" "-" point-to-point transmission in regulator AVR 1 accesses voltage, then generator output voltage can be adjusted to 380V by peripheral circuit.
The specific work process of the generator circuit for being provided to the embodiment of the present invention below is further elaborated on.
When rail milling car is to run module, the contact of relay KA20 remains closed, the "+" "-" two in voltage regulator AVR1
The short envelope of point, such generator output voltage is raised with diesel engine speed and is raised, until electromotor output rated voltage.In steel
When rail milling car is work pattern, the contact of relay KA20 disconnects, and diesel engine speed is constant, and power module DY2 is adjusted to voltage
"+" "-" point-to-point transmission in section device AVR1 accesses voltage, and generator output voltage can be adjusted to 380V by peripheral circuit.
In operating condition, electromotor is that traction convertor and AuCT are powered to the embodiment of the present invention.Electromotor is defeated
It is 250～550V to go out voltage, and frequency is 20～50Hz, and diesel engine speed is 600～1500r/min.Air compressor machine, Compound cooling dress
The 380V/50Hz power supplys needed for auxiliary equipment such as put to be provided by AuCT.Electromotor is responsible for passing under the driving of electromotor
Dynamic system provides AC550V/50HZ power supplys, and Jing current transformers drive traction electric machine.
Main transmission drives car load to realize high speed self-operating operating mode and low constant speed working condition under diesel engine drive
Running under power, meets launch train, accelerates, reaches maximum speed, ensureing that low constant-speed operation precision etc. is required.
It can be seen that, rail milling car generator circuit provided by the present invention, the switching on two lines road in parallel can
Constant operating voltage is exported when train is working condition, and output is with diesel engine speed change when train is operating condition
And the voltage for changing, the actual condition demand of rail milling car is met, and rail milling car electromotor is realized in operating condition
And the free switching under working condition, it is simple easily to realize, with practicality.
In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
For putting, as which corresponds to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Illustrate.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example in the above description according to function.These
Function actually with hardware or software mode performing, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can use different methods to realize described function to each specific application, but this realization should not
Think beyond the scope of this invention.
The step of method described with reference to the embodiments described herein or algorithm, directly can be held with hardware, processor
Capable software module, or the combination of the two is implementing.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above rail milling car generator circuit provided by the present invention is described in detail.Tool used herein
Body example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
Bright method and its core concept.It should be pointed out that for those skilled in the art, without departing from the present invention
On the premise of principle, some improvement and modification can also be carried out to the present invention, these improve and modification also falls into right of the present invention
In the protection domain of requirement.
Claims (9)
1. a kind of rail milling car generator circuit, it is characterised in that include：
Generator main winding, generator excitation mechanism, power supply circuits, output voltage regulation circuit；
Wherein, it is load supplying that the generator main winding is used for output voltage；The generator excitation mechanism is used to adjust institute
State the voltage of generator main winding output；The power supply circuits are used for as load supplying；The output voltage regulation circuit is used for
The size of the exciting current of the generator excitation mechanism is adjusted, the control electromotor output when rail milling car is operational mode
Voltage be located in predetermined voltage range, control the voltage of electromotor output when rail milling car is work pattern to preset the
One magnitude of voltage.
2. generator circuit as claimed in claim 1, it is characterised in that the default first voltage value is 380V.
3. generator circuit as claimed in claim 2, it is characterised in that the predetermined voltage range is 250V to 550V.
4. generator circuit as claimed in claim 3, it is characterised in that the generator excitation mechanism includes：Energized stator,
Rotor, rectifier bridge, varistor and voltage regulator；
The energized stator and rotor are used to producing alternating current, and the rectifier bridge is for being converted to direct current by the alternating current of generation
Electricity, the varistor are used for short-circuit protection, and the voltage regulator is used to control the generating by the voltage swing of input
The size of the exciting current of machine excitation mechanism.
5. generator circuit as claimed in claim 4, it is characterised in that the output voltage regulation circuit includes：Respectively with
The changeable first connected control loop in contact at the voltage regulator two ends and the second control loop；
First control loop includes relay, for the closure switch contact when the rail milling car is operational mode,
So that the short envelope in contact at the voltage regulator two ends；
Second control loop includes divider resistance, power module, input power, one end of the divider resistance and the electricity
Pressure actuator the first contact be connected, the other end is connected with the positive pole of the power module, the both positive and negative polarity of the power module and
Input power is connected, and the voltage for the voltage regulator two ends are controlled when the rail milling car is work pattern is pre-
If second voltage value.
6. generator circuit as claimed in claim 5, it is characterised in that the output voltage adjustable extent of the power module is
0-15V；The default second voltage value is 0.2V.
7. generator circuit as claimed in claim 5, it is characterised in that the resistance of the divider resistance is 20K Ω, power is
1W。
8. the generator circuit as described in any one of claim 1 to 7, it is characterised in that also include：Current transformer, is used for
The size of the electric current of detection electromotor output.
9. generator circuit as claimed in claim 8, it is characterised in that also include：Chopper, for unidirectionally connecing detecting
Disconnecting circuit when ground, phase fault or overload.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248369.XA CN106602949A (en) | 2016-12-29 | 2016-12-29 | Rail milling machine generator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248369.XA CN106602949A (en) | 2016-12-29 | 2016-12-29 | Rail milling machine generator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106602949A true CN106602949A (en) | 2017-04-26 |
Family
ID=58604083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611248369.XA Pending CN106602949A (en) | 2016-12-29 | 2016-12-29 | Rail milling machine generator circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602949A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941299A (en) * | 2019-04-26 | 2019-06-28 | 中车眉山车辆有限公司 | A kind of railway freight-car movable grounding device |
| CN111917359A (en) * | 2020-08-05 | 2020-11-10 | 中车大连机车车辆有限公司 | Control method for motor voltage of train alternating current auxiliary transmission system |
| CN113162495A (en) * | 2021-05-14 | 2021-07-23 | 济南安瑞信源机电设备有限公司 | Anti-interference circuit and anti-interference method for excitation forced excitation of generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020027426A1 (en) * | 2000-09-07 | 2002-03-07 | Denso Corporation | Automative generator control apparatus |
| CN104283390A (en) * | 2014-09-29 | 2015-01-14 | 西安泰富西玛电机有限公司 | Passive self-excitation constant voltage brushless synchronous generator and control method thereof |
| CN104562877A (en) * | 2014-12-26 | 2015-04-29 | 北京二七轨道交通装备有限责任公司 | Transmission system of rail milling and grinding vehicle |
-
2016
- 2016-12-29 CN CN201611248369.XA patent/CN106602949A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020027426A1 (en) * | 2000-09-07 | 2002-03-07 | Denso Corporation | Automative generator control apparatus |
| CN104283390A (en) * | 2014-09-29 | 2015-01-14 | 西安泰富西玛电机有限公司 | Passive self-excitation constant voltage brushless synchronous generator and control method thereof |
| CN104562877A (en) * | 2014-12-26 | 2015-04-29 | 北京二七轨道交通装备有限责任公司 | Transmission system of rail milling and grinding vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941299A (en) * | 2019-04-26 | 2019-06-28 | 中车眉山车辆有限公司 | A kind of railway freight-car movable grounding device |
| CN109941299B (en) * | 2019-04-26 | 2024-03-12 | 中车眉山车辆有限公司 | Movable grounding device for railway wagon |
| CN111917359A (en) * | 2020-08-05 | 2020-11-10 | 中车大连机车车辆有限公司 | Control method for motor voltage of train alternating current auxiliary transmission system |
| CN113162495A (en) * | 2021-05-14 | 2021-07-23 | 济南安瑞信源机电设备有限公司 | Anti-interference circuit and anti-interference method for excitation forced excitation of generator |
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Application publication date: 20170426 |