CN108507805A - One kind being based on flywheel-generating set inertia simulation system - Google Patents
One kind being based on flywheel-generating set inertia simulation system Download PDFInfo
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- CN108507805A CN108507805A CN201710104555.4A CN201710104555A CN108507805A CN 108507805 A CN108507805 A CN 108507805A CN 201710104555 A CN201710104555 A CN 201710104555A CN 108507805 A CN108507805 A CN 108507805A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to one kind being based on flywheel generating unit inertia simulation system, the system includes frequency converter, prime mover, flywheel group, synchronous generator and excitation unit, mechanical coupling member, the operation inertia simulation that multiaxis rolling stock can be realized based on flywheel generating unit inertia simulation system of the present invention is solved flywheel piece in the rolling stock inertia simulation of rolling stock roller testing rig and disperses to cause greatly：Load is excessive when melt pit floor space is excessive, wheelbase adjusts causes the problems such as wheelbase adjusts difficulty, the dispersion installation of each axis flywheel casing causes inertia adjusting troublesome in poeration.Meanwhile the retardation test of rolling stock roller testing rig is independently opened with pulling test, without relying on the capacity of dragging motor and the control of Locomotive Converter, reduces the control difficulty of traction convertor.
Description
Technical field
The present invention relates to a kind of rolling stock roller testing rig inertia simulation systems, more particularly to a kind of based on winged
Wheel-generating set inertia simulation system, belongs to rolling stock Test-bed Design and manufacturing technology field.
Background technology
Currently, when applying rolling testing stand carries out rolling stock dynamic test, can the simulation to braking process be to survey
An important link of rolling stock various aspects of performance parameter is tried out, and is dynamic test operating mode and reality when ensuring vehicle braking
Circuit operating condition it is consistent, it is necessary to vehicle operation inertia simulate.There are two types of common inertia simulation modes：Flywheel machine
Tool inertia simulation and electric inertia simulation.For vehicle rolling rig：Mode one is high-power multiaxis driving braking due to locomotive
System, flywheel piece disperses and volume causes greatly：Melt pit floor space is excessive, shaft pitch adjusting device load is excessive causes wheelbase to adjust
It is troublesome in poeration that difficult, each axis flywheel casing dispersion installation causes inertia to adjust；Mode two is needed through rolling rig traction current transformation
Device controls dragging motor group, and control accuracy depends on the foundation of vehicle braking model, however by frictional resistance, wind
Resistance, mechanical transmission component inertia can not determine etc. that non-linear factors, vehicle braking model are difficult to establish, control realize difficulty compared with
Greatly, and which rely on dragging motor capacity size.Therefore, it is improved for existing inertia simulation system, it is proposed that a kind of
Applied to rolling stock based on flywheel-generating set inertia simulation system.
Invention content
The purpose of the present invention is to provide a kind of applied to rolling stock based on flywheel-generating set inertia simulation system
System, to solve the rolling stock roller testing rig inertia simulation system of the prior art.
To achieve the goals above, the present invention adopts the following technical scheme that.
One kind being based on flywheel-generating set inertia simulation system, including frequency converter, prime mover, flywheel group, synchronous generator
And excitation unit, mechanical coupling member；
The mechanical coupling member includes shaft coupling I and shaft coupling II, and the frequency converter connects prime mover, described prime mover
It is connected with flywheel group by shaft coupling I, the flywheel group is connected by shaft coupling II with synchronous generator and excitation unit,
The synchronous generator and excitation unit connection of rail vehicles roll the dragging motor group of shake table；
Rolling stock roll shake table retardation test start, described transducer drive prime mover and drive flywheel turns and
Synchronous generator generates electricity, and the synchronous generator is exported to dragging motor group, when dragging motor group reaches required retro-speed,
Rolling stock proceeds by braking, while cutting off frequency converter, and at this time since flywheel has stored corresponding kinetic energy, flywheel deposits release
Storage kinetic energy dragging synchronous generator continues to generate electricity, driving dragging motor group be rotated further, rolling stock wheel to brake force with
It slowly stops under the reverse actuating force of dragging motor.
Preferably, the rolling stock zero load pulling test process based on flywheel-generating set inertia simulation system
Including：
(1) control of frequency converter rotating speed is utilized to realize prime mover low-speed running；
(2) it imposes smaller exciting current to generate electricity to synchronous generator, to realize the operating of dragging motor group；
(3) increase prime mover rotational speed setup, dragging motor group is drawn to initial speed of braking；
(4) increase synchronous generator exciting electric current, by dragging motor group voltage stabilization in rated voltage.
In any of the above-described technical solution preferably, the flywheel-generating set inertia simulation system that is based on is in locomotive
During the unloaded pulling test of vehicle, the frequency converter controls the rotating speed for realizing prime mover, prime mover rotating speed n by rotating speed0
For：
In formula, f0Indicate the stator voltage frequency of prime mover, p0Indicate the number of pole-pairs of prime mover, s0Indicate turning for prime mover
Rate；
Synchronous generator set end voltage frequency f1For：P in formula1Indicate the number of pole-pairs of synchronous generator；
Dragging motor group M1, M2...Mn (n indicates the vehicle traction number of axle) parameter of electric machine having the same is enabled, then rotating speed is equal
For：
P in formula2Indicate M1, M2...Mn number of pole-pairs, s1Indicate M1, M2...Mn revolutional slip；
Frequency by adjusting prime mover can realize the speed control to dragging motor group, and then realize that rolling stock rolls
The car speed of testing stand controls；
The terminal voltage amplitude of synchronous generator is again：
K in formulawIndicate that magnetomotive force fundamental wave winding coefficient, φ indicate the synthesis air-gap flux of synchronous generator；
When synchronous generator band motor running, due to armature-reaction, air-gap mmf is by excitation magnetomotive force and armature
React magnetomotive force synthesis；When exciting current changes, excitation magnetomotive force changes, then air-gap mmf change is synthesized, to synthesize
Air-gap flux also changes；The change for synthesizing air-gap flux, in the case where other conditions are constant, the terminal voltage of synchronous generator
Change；Therefore when one timing of the frequency of prime mover, by adjusting the size of synchronous generator exciting electric current, to adjust dragging motor group
The size of stator voltage.
In any of the above-described technical solution preferably, the locomotive based on flywheel-generating set inertia simulation system
Vehicle braking tests process：
(1) when rolling stock rolling rig draws rolling stock to retro-speed, rolling stock to each drive shaft with
Identical brake force implements emergency braking；
(2) braking simultaneously, the input power of prime mover is cut away by frequency converter, using flywheel energy storage band synchronous generator after
Supervention electricity, and then the rolling stock wheel pair driving force opposite with force direction is braked is imposed by dragging motor group, realize locomotive
Slowly parking.
In any of the above-described technical solution preferably, the flywheel-generating set inertia simulation system that is based on is in locomotive
During the retardation test of vehicle, the dragging motor group by rail wheel drive rolling stock wheel to stable operation after, flywheel
The energy of storage is：
In formula, J indicates the inertia of flywheel, ω0Indicate the angular speed of flywheel, n0Indicate the rotating speed of flywheel；
In braking process, enables each axis of vehicle impose identical brake force and braked, and brake force is constant, it is equivalent to arrive each dragging
The braking moment of motor shaft is Te；If running velocity is v, quality m, down time T ignore the machinery of whole system
Loss, various resistances, are had by law of conservation of energy：
P in formula1Mo, p2Mo....pnMoIndicate each dragging motor output power；
It is analyzed by taking dragging motor M1 as an example, if dragging motor M1 rotating speeds are n1M, then：
Dragging motor M1 output powers are：
Synchronous generator is exported to the power of separate unit dragging motor：
η in formula1MIndicate the efficiency of motor M1；
Dragging motor M1 input currents：
U in formula1Indicate synchronous generator output voltage, cos φ1Indicate motor M1 power factors；
The output current of synchronous generator：i1=∑ ixMi(x=1,2...n)
The output power of synchronous generator：
η in formulaoIndicate dragging motor M1 efficiency, cos φ0Indicate the power factor of synchronous generator；
The input power of synchronous generator is：
Had according to law of conservation of energy：
It can be obtained by the above derivation, the kinetic energy W of rolling stockf, down time T, the inertia J of flywheel, brake force TeBetween
There are correlations, and it is used with flywheel can to extrapolate rolling stock down time by rolling stock kinetic energy and brake force size
The size of amount.
The present invention based on flywheel-generating set inertia simulation system by frequency converter, prime mover, flywheel group, synchronous generator
The compositions such as machine and excitation unit, mechanical coupling member, when being mainly used for the progress retardation test of rolling stock rolling rig, to machine
The operation inertia of vehicle vehicle is simulated, to realize that experiment damped condition is consistent with actual track damped condition.Work as railway
When vehicle roller testing rig retardation test starts, transducer drive prime mover drives flywheel turns and electrical power generators, hair
Motor is exported to dragging motor group；When dragging motor group reaches required retro-speed, vehicle proceeds by braking (air system
Dynamic, electric braking), while frequency converter is cut off, at this point, since flywheel has stored corresponding kinetic energy, the kinetic energy that flywheel stores release
Drawing generator continues to generate electricity, and driving dragging motor group is rotated further, and rolling stock wheel is in the anti-of brake force and dragging motor
It slowly stops under to driving force.
Compared with prior art, above-mentioned technical proposal of the invention has the following advantages that and effect：
The present invention's can utilize the structure of flywheel-generating set to realize based on flywheel-generating set inertia simulation system
The operation inertia simulation of multiaxis rolling stock solves in the rolling stock inertia simulation of rolling stock roller testing rig and flies
Wheel piece is big and disperses to cause：Load is excessive when melt pit floor space is excessive, wheelbase adjusts causes wheelbase adjustment difficulty, each axis flywheel
Case dispersion installation causes inertia to adjust the problems such as troublesome in poeration.Meanwhile the retardation test of rolling stock roller testing rig with
Pulling test is independently opened, and without relying on the capacity of dragging motor and the control of Locomotive Converter, reduces traction convertor
Control difficulty.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the system knot of the preferred embodiment according to the invention based on flywheel-generating set inertia simulation system
Structure schematic diagram；
Fig. 2 is the locomotive of the preferred embodiment according to the invention based on flywheel-generating set inertia simulation system
The illustraton of model of unloaded pulling test process；
Fig. 3 is the locomotive of the preferred embodiment according to the invention based on flywheel-generating set inertia simulation system
The illustraton of model of retardation test process.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to solve rolling stock roller testing rig inertia simulation system the problems of in the prior art, this
Inventive embodiments propose it is a kind of be based on flywheel-generating set inertia simulation system, the system by frequency converter, prime mover, flywheel group,
The compositions such as synchronous generator and excitation unit, mechanical coupling member.The embodiment of the present invention proposes used based on flywheel-generating set
Simulation system is measured, when rolling stock rolling rig carries out retardation test, the operation inertia of vehicle is simulated, to real
Now experiment damped condition is consistent with actual track damped condition.1 to 3 pair of embodiment of the present invention carries out detailed below in conjunction with the accompanying drawings
Description.
As shown in Figure 1, described in the embodiment of the present invention based on flywheel-generating set inertia simulation system include frequency converter,
Prime mover, flywheel group, synchronous generator and excitation unit, mechanical coupling member, mechanical coupling member include shaft coupling I and shaft coupling
Device II, frequency converter connect prime mover, and prime mover is connected by shaft coupling I with flywheel group, and flywheel group is by shaft coupling II and together
Step generator and excitation unit are connected, the dragging motor of synchronous generator and excitation unit connection of rail vehicles rolling shake table
Group, dragging motor group drive rolling stock to be braked (air damping, electric braking) by mechanical system and rail wheel.
When rolling stock rolling shake table starts retardation test, transducer drive prime mover simultaneously drives flywheel turns and synchronization
Electrical power generators, synchronous generator are exported to dragging motor group, when dragging motor group reaches required retro-speed, rolling stock
Braking (air damping, electric braking) is proceeded by, while cutting off frequency converter, at this time since flywheel has stored corresponding kinetic energy, is flown
The kinetic energy dragging synchronous generator of release storage is continued to generate electricity by wheel, and driving dragging motor group is rotated further, railway vehicle wheel pair
It slowly stops under the reverse actuating force of brake force and dragging motor.
Described in the embodiment of the present invention based on flywheel-generating set inertia simulation system, the realization of entire inertia system
Journey is divided into two steps：Unloaded pulling test process and retardation test process, unloaded pulling test is that rolling stock is dragged to braking
Required initial velocity, retardation test are to realize that rolling stock carries out retardation test under the operation inertia of simulation.
As shown in Fig. 2, in the unloaded pulling test process of rolling stock, frequency converter is controlled by rotating speed and realizes prime mover
The rotating speed of M0, prime mover M0 rotating speeds n0For：
In formula, f0Indicate the stator voltage frequency of prime mover M0, p0Indicate the number of pole-pairs of prime mover M0, s0Indicate prime mover
The revolutional slip of M0；
Synchronous generator set end voltage frequency f1For：P in formula1Indicate the number of pole-pairs of synchronous generator G0；
Dragging motor group M1, M2...Mn (n indicates the vehicle traction number of axle) parameter of electric machine having the same is enabled, then rotating speed is equal
For：
P in formula2Indicate M1, M2...Mn number of pole-pairs, s1Indicate M1, M2...Mn revolutional slip；
Frequency by adjusting prime mover M0 can realize the speed control to dragging motor group, and then realize rolling stock rolling
The rolling stock speed control of dynamic test platform.
The terminal voltage amplitude of synchronous generator is again：
K in formulawIndicate that magnetomotive force fundamental wave winding coefficient, φ indicate the synthesis air-gap flux of synchronous generator G0；
When synchronous generator band motor running, due to armature-reaction, air-gap mmf is by excitation magnetomotive force and armature
React magnetomotive force synthesis；When exciting current changes, excitation magnetomotive force will change, then synthesis air-gap mmf is also inherently
Change, also changes to synthesize air-gap flux；The change for synthesizing air-gap flux, in the case where other conditions are constant, synchronous hair
The terminal voltage of motor will also change；Therefore when one timing of the frequency of prime mover M0, by adjusting synchronous generator exciting electric current
Size, to adjust the size of dragging motor group stator voltage.
In conclusion the rolling stock zero load based on flywheel-generating set inertia simulation system of the embodiment of the present invention is led
Drawing experiment process is：
(1) control of frequency converter rotating speed is utilized to realize prime mover low-speed running；
(2) it imposes smaller exciting current to generate electricity to synchronous generator, to realize the operating of dragging motor group；
(3) increase prime mover rotational speed setup, dragging motor group is drawn to initial speed of braking；
(4) increase synchronous generator exciting electric current, by dragging motor group voltage stabilization in rated voltage.
As shown in figure 3, in the retardation test process of rolling stock, dragging motor group drives rolling stock by rail wheel
After wheel is to stable operation, the energy of flywheel storage is：
In formula, J indicates the inertia of flywheel, ω0Indicate the angular speed of flywheel, n0Indicate the rotating speed of flywheel；
In braking process, enables each axis of vehicle impose identical brake force and braked, and brake force is constant, it is equivalent to arrive each dragging
The braking moment of motor shaft is Te；If running velocity is v, quality m, down time T ignore the machinery of whole system
Loss, various resistances, are had by law of conservation of energy：
P in formula1Mo, p2Mo....pnMoIndicate each dragging motor output power；
It is analyzed by taking dragging motor M1 as an example, if dragging motor M1 rotating speeds are n1M, then：
Dragging motor M1 output powers are：
Synchronous generator G0 is exported to the power of separate unit dragging motor：
η in formula1MIndicate the efficiency of motor M1；
Dragging motor M1 input currents：
U in formula1Indicate synchronous generator G0 output voltages, cos φ1Indicate motor M1 power factors；
The output current of synchronous generator G0：i1=∑ ixMi(x=1,2...n)
The output power of synchronous generator G0：
η in formulaoIndicate dragging motor M1 efficiency, cos φ0Indicate the power factor of synchronous generator G0；
The input power of synchronous generator G0 is：
Had according to law of conservation of energy：
It can be obtained by the above derivation, the kinetic energy W of rolling stockf, down time T, the inertia J of flywheel, brake force TeBetween
There are correlations, and it is used with flywheel can to extrapolate rolling stock down time by rolling stock kinetic energy and brake force size
The size of amount.
In conclusion the railway vehicle brake examination based on flywheel-generating set inertia simulation system of the embodiment of the present invention
The process of testing is：
(1) when rolling stock rolling rig draws rolling stock to retro-speed, rolling stock to each drive shaft with
Identical brake force implements emergency braking；
(2) braking simultaneously, the input power of prime mover is cut away by frequency converter, using flywheel energy storage band synchronous generator after
Supervention electricity, and then the rolling stock wheel pair driving force opposite with force direction is braked is imposed by dragging motor group, realize locomotive
Slowly parking.
The knot that flywheel-generating set can be utilized based on flywheel-generating set inertia simulation system of the embodiment of the present invention
Structure realizes the operation inertia simulation of multiaxis rolling stock, solves the rolling stock inertia mould of rolling stock roller testing rig
Flywheel piece is big in quasi- and dispersion causes：Load is excessive when melt pit floor space is excessive, wheelbase adjusts causes wheelbase adjustment difficult, each
The dispersion installation of axis flywheel casing causes inertia to adjust the problems such as troublesome in poeration.Meanwhile the braking of rolling stock roller testing rig
Experiment is independently opened with pulling test, without relying on the capacity of dragging motor and the control of Locomotive Converter, reduces traction
The control difficulty of current transformer.
The above is only that the preferred embodiment of the present invention is described, and is limited the scope of the present invention
Fixed, under the premise of not departing from design spirit of the present invention, this field ordinary engineering and technical personnel makees technical scheme of the present invention
The various modifications gone out and improvement should all be fallen into the protection domain of claims of the present invention determination.
Claims (5)
1. one kind being based on flywheel-generating set inertia simulation system, it is characterised in that：
It is described to include frequency converter, prime mover, flywheel group, synchronous generator and encourage based on flywheel-generating set inertia simulation system
Magnetic device, mechanical coupling member；
The mechanical coupling member includes shaft coupling I and shaft coupling II, and the frequency converter connects prime mover, and described prime mover passes through
Shaft coupling I is connected with flywheel group, and the flywheel group is connected by shaft coupling II with synchronous generator and excitation unit, described
Synchronous generator and excitation unit connection of rail vehicles roll the dragging motor group of shake table；
The retardation test that rolling stock rolls shake table starts, and described transducer drive prime mover simultaneously drives flywheel turns and synchronization
Electrical power generators, the synchronous generator are exported to dragging motor group, when dragging motor group reaches required retro-speed, locomotive
Vehicle proceeds by braking, while cutting off frequency converter, and at this time since flywheel has stored corresponding kinetic energy, flywheel stores release
Kinetic energy dragging synchronous generator continues to generate electricity, and driving dragging motor group is rotated further, and rolling stock wheel is in brake force and dragging
It slowly stops under the reverse actuating force of motor.
2. being based on flywheel-generating set inertia simulation system as described in claim 1, it is characterised in that：It is described to be based on flywheel-
The rolling stock zero load pulling test process of generating set inertia simulation system includes：
(1) control of frequency converter rotating speed is utilized to realize prime mover low-speed running；
(2) it imposes smaller exciting current to generate electricity to synchronous generator, to realize the operating of dragging motor group；
(3) increase prime mover rotational speed setup, dragging motor group is drawn to initial speed of braking；
(4) increase synchronous generator exciting electric current, by dragging motor group voltage stabilization in rated voltage.
3. being based on flywheel-generating set inertia simulation system as claimed in claim 2, it is characterised in that：It is described to be based on flywheel-
During the unloaded pulling test of rolling stock, the frequency converter is controlled by rotating speed and is realized generating set inertia simulation system
The rotating speed of prime mover, prime mover rotating speed n0For：
In formula, f0Indicate the stator voltage frequency of prime mover, p0Indicate the number of pole-pairs of prime mover, s0Indicate the revolutional slip of prime mover；
Synchronous generator set end voltage frequency f1For：P in formula1Indicate the number of pole-pairs of synchronous generator；
Dragging motor group M1, M2...Mn (n indicates the vehicle traction number of axle) parameter of electric machine having the same is enabled, then rotating speed is：
P in formula2Indicate M1, M2...Mn number of pole-pairs, s1Indicate M1, M2...Mn revolutional slip；
Frequency by adjusting prime mover can realize the speed control to dragging motor group, and then realize rolling stock rolling test
The rolling stock speed control of platform；
The terminal voltage amplitude of synchronous generator is again：
K in formulawIndicate that magnetomotive force fundamental wave winding coefficient, φ indicate the synthesis air-gap flux of synchronous generator；
When synchronous generator band motor running, due to armature-reaction, air-gap mmf is by excitation magnetomotive force and armature-reaction
Magnetomotive force synthesizes；When exciting current changes, excitation magnetomotive force changes, then air-gap mmf change is synthesized, to synthesize air gap
Magnetic flux also changes；The change of air-gap flux is synthesized, in the case where other conditions are constant, the terminal voltage of synchronous generator also changes
Become；It is fixed to adjust dragging motor group by adjusting the size of synchronous generator exciting electric current therefore when one timing of the frequency of prime mover
The size of sub- voltage.
4. being based on flywheel-generating set inertia simulation system as described in claim 1, it is characterised in that：It is described to be based on flywheel-
The rolling stock retardation test process of generating set inertia simulation system includes：
(1) when rolling stock rolling rig draws rolling stock to retro-speed, rolling stock is to each drive shaft with identical
Brake force implements emergency braking；
(2) braking simultaneously, the input power of prime mover is cut away by frequency converter, using flywheel energy storage band synchronous generator after supervention
Electricity, and then the rolling stock wheel pair driving force opposite with force direction is braked is imposed by dragging motor group, realize that rolling stock is slow
Slow parking.
5. being based on flywheel-generating set inertia simulation system as claimed in claim 4, it is characterised in that：It is described to be based on flywheel-
For generating set inertia simulation system during the retardation test of rolling stock, the dragging motor group passes through rail wheel band motivation
After vehicle vehicle wheel is to stable operation, the energy of flywheel storage is：
In formula, J indicates the inertia of flywheel, ω0Indicate the angular speed of flywheel, n0Indicate the rotating speed of flywheel；
In braking process, enables each axis of vehicle impose identical brake force and braked, and brake force is constant, it is equivalent to arrive each dragging motor
The braking moment of axis is Te；If running velocity is v, quality m, down time T, ignore the machinery damage of whole system
Consumption, various resistances, are had by law of conservation of energy：
P in formula1Mo, p2Mo....pnMoIndicate each dragging motor output power；
It is analyzed by taking dragging motor M1 as an example, if dragging motor M1 rotating speeds are n1M, then：
Dragging motor M1 output powers are：
Synchronous generator is exported to the power of separate unit dragging motor：
η in formula1MIndicate the efficiency of motor M1；
Dragging motor M1 input currents：
U in formula1Indicate synchronous generator output voltage, cos φ1Indicate motor M1 power factors；
The output current of synchronous generator：i1=∑ ixMi(x=1,2...n)
The output power of synchronous generator：
η in formulaoIndicate dragging motor M1 efficiency, cos φ0Indicate the power factor of synchronous generator；
The input power of synchronous generator is：
Had according to law of conservation of energy：
It can be obtained by the above derivation, the kinetic energy W of rolling stockf, down time T, the inertia J of flywheel, brake force TeBetween exist
Correlation can extrapolate rolling stock down time and flywheel inertia by rolling stock kinetic energy and brake force size
Size.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122203A (en) * | 2020-01-02 | 2020-05-08 | 上海电力大学 | Virtual configuration device of inertia and drag experiment platform |
| IT201900024147A1 (en) * | 2019-12-16 | 2021-06-16 | Faiveley Transport Italia Spa | Electromechanical assembly for a braking system of a railway vehicle, control system of the electromechanical assembly and braking system including the electromechanical assembly and the control system |
| WO2023005951A1 (en) * | 2021-07-27 | 2023-02-02 | 国家电投集团科学技术研究院有限公司 | Flywheel energy storage and inertia conduction system |
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