CN206583983U - A kind of small-power verification platform for regenerating energy inversion feedback - Google Patents
A kind of small-power verification platform for regenerating energy inversion feedback Download PDFInfo
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- CN206583983U CN206583983U CN201720060657.6U CN201720060657U CN206583983U CN 206583983 U CN206583983 U CN 206583983U CN 201720060657 U CN201720060657 U CN 201720060657U CN 206583983 U CN206583983 U CN 206583983U
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- inversion feedback
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Abstract
The utility model discloses a kind of small-power verification platform for regenerating energy inversion feedback, including rectifier transformer T1, rectifier RCT, converter plant N, motor M, inversion feedback device NH and isolating transformer T2；Rectifier transformer T1 is connected to ac bus, for bringing the voltage up, and the alternating voltage after boosting is converted to DC voltage by rectifier RCT, and is connected to dc bus, DC voltage is powered by converter plant N to motor M；Inversion feedback device NH is also connected to dc bus, when DC bus-bar voltage is increased to predetermined threshold value, and ac bus is delivered to by DC inverter and by isolating transformer T2.The utility model can simcity track drawing electric power system, low-power equipment can be utilized, the situation of inversion feedback during accurately simulation train braking is obtained, and equipment cost is smaller, be easy to improve and extend.
Description
Technical field
The utility model is related to urban track traffic Regenerative Braking Technology field, is specially a kind of regeneration energy inversion feedback
Small-power verification platform.
Background technology
Communications and transportation carries very important role in China's process of economic development.Wherein, urban track traffic is gathered around
There is its unique advantage.However, municipal rail train start and stop are very frequent, the most of kinetic energy of train is wasted, the utilization of energy is caused
Rate is substantially reduced.Therefore, mitigating abrasion of the mechanical braking to training devices using electric braking mode, and convert kinetic energy into electricity
It can be recycled.
At present country's regenerating braking energy absorption plant mainly include resistance energy consumption type, capacitor energy storage type, flywheel energy storage type,
Regenerate energy type.Resistance absorption equipment is simple and cost is low, but all on resistance, profit is not obtained to its electric braking energy for consumption
With.Electric capacity and flywheel energy storage type device energy conservation effect are good, but cost is high and is not easy to install.Regeneration energy type device is also located at present
In conceptual phase, and existing regeneration energy type device does not have a unified structure, and have that device configuration is imperfect, order not
Rationally, the problems such as measurement apparatus imperfection, such as part-structure figure is only labelled with converter plant and does not mark motor, part-structure but
Scheme no voltage measuring apparatus.These problems can all cause to hinder to the progress of correlative study.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model be to provide it is a kind of can simcity track drawing electric power system
The small-power verification platform of energy inversion feedback is regenerated, the feelings of inversion feedback during accurately simulation train braking can be obtained
Condition.Technical scheme is as follows：
A kind of small-power verification platform for regenerating energy inversion feedback, including rectifier transformer T1, rectifier RCT, unsteady flow
Device N, motor M, inversion feedback device NH and isolating transformer T2；Rectifier transformer T1 is connected to ac bus, for inciting somebody to action
Voltage is raised, and the alternating voltage after boosting is converted to DC voltage by rectifier RCT, and is connected to dc bus, makes direct current
Voltage is powered by converter plant N to motor M；Inversion feedback device NH is also connected to dc bus, in DC bus-bar voltage
When being increased to predetermined threshold value, ac bus is delivered to by DC inverter and by isolating transformer T2.
Further, the motor M is also connected to generator G, and generator G is incorporated to ac bus.
The utility model beneficial effect is：The utility model can simcity track drawing electric power system, be easy to study, change
Enter and optimize its control system；Low-power equipment can be utilized, inversion feedback during accurately simulation train braking is obtained
Situation, intuitively can reflect Regenerated energy by grid-connected current waveform, capacity usage ratio, DC bus-bar voltage amplitude of variation speed etc.
Measure inversion feedback effects；And equipment cost is smaller, it is easy to improve extension；It is more perfect in structure, can be more specific compared with other models
Displaying inversion feedback effect.
Brief description of the drawings
Fig. 1 is the structural representation for the small-power verification platform that the utility model regenerates energy inversion feedback.
Embodiment
The utility model is described in further details below according to the drawings and specific embodiments.As shown in figure 1, one kind is again
The small-power verification platform of raw energy inversion feedback, including rectifier transformer T1, rectifier RCT, converter plant N, motor M,
Inversion feedback device NH and isolating transformer T2；Rectifier transformer T1 is connected to ac bus, for bringing the voltage up, after boosting
Alternating voltage DC voltage is converted to by rectifier RCT, and be connected to dc bus, DC voltage is passed through converter plant
N powers to motor M；Inversion feedback device NH is also connected to dc bus, when DC bus-bar voltage is increased to predetermined threshold value,
Ac bus is delivered to by DC inverter and by isolating transformer T2.
Rectifier transformer T1 uses the pulse wave of small-power 12 or 24 pulse wave transformers in the present embodiment, and busbar voltage is boosted to
1180V, rectifier RCT use small-power silicon rectifier by voltage commutation for direct current 1500V, then pass through the electronic switching tubes such as IGBT
The converter plant N of composition powers 1500V DC inverters for exchange to miniature motor M, can basis by vector controlled
Simulate the running status of motor M under different train operating conditions.
When simulation train is normally run, converter plant N is in inverter mode, motor M normal works, small generator G
Make motor M loads, to avoid motor no-load from running, generator G is incorporated to exchange 380V buses, and inversion feedback device NH is not thrown
Enter work.Monitoring system in inversion feedback device NH, can dynamic monitoring DC voltage available for the real-time monitoring of DC voltageV dc Change, and prepared for regenerative braking inversion feedback.
When simulating train braking, motor M makees generator, and mechanical energy is converted into electric energy, the regenerating braking energy stream of generation
Cause busbar voltage to 1500V dc busV dc Rise.Voltage monitoring system detects busbar voltageV dc Rise, when bus electricity
PressureV dc When being lifted to predetermined threshold value, pass through double-closed-loop control principle, the pre-set programs output control signal of software control system, control
Signal processed is inputted by interface, drives the small-sized two level three-phase inversion feedback device NH works in kind being made up of electronic power switch pipe
Make.The regenerating braking energy that DC side is accumulated is fed back to 380V by small-sized isolating transformer T2 and exchanged by inversion feedback device NH
Grid side, realizes regeneration and the security isolation of energy, also causes net pressure to recover normal level.Make DC bus-bar voltage simultaneously
Stabilization reaches the purpose of regeneration energy utilization in normal range (NR).Can be by observing inversion feedback device NH grid-connected current waveforms
And its working effect is verified in the assessment of capacity usage ratio.
Claims (2)
1. a kind of small-power verification platform for regenerating energy inversion feedback, it is characterised in that including rectifier transformer T1, rectifier
RCT, converter plant N, motor M, inversion feedback device NH and isolating transformer T2；It is female that rectifier transformer T1 is connected to exchange
Line, for bringing the voltage up, the alternating voltage after boosting is converted to DC voltage by rectifier RCT, and it is female to be connected to direct current
Line, makes DC voltage be powered by converter plant N to motor M；Inversion feedback device NH is also connected to dc bus, in direct current
When busbar voltage is increased to predetermined threshold value, ac bus is delivered to by DC inverter and by isolating transformer T2.
2. the small-power verification platform of regeneration energy inversion feedback according to claim 1, it is characterised in that described electronic
Machine M is also connected to generator G, and generator G is incorporated to ac bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060657.6U CN206583983U (en) | 2017-01-18 | 2017-01-18 | A kind of small-power verification platform for regenerating energy inversion feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060657.6U CN206583983U (en) | 2017-01-18 | 2017-01-18 | A kind of small-power verification platform for regenerating energy inversion feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206583983U true CN206583983U (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720060657.6U Expired - Fee Related CN206583983U (en) | 2017-01-18 | 2017-01-18 | A kind of small-power verification platform for regenerating energy inversion feedback |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194264A (en) * | 2017-12-27 | 2018-06-22 | 北京金风科创风电设备有限公司 | Wind power generation simulation system and control method thereof |
-
2017
- 2017-01-18 CN CN201720060657.6U patent/CN206583983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194264A (en) * | 2017-12-27 | 2018-06-22 | 北京金风科创风电设备有限公司 | Wind power generation simulation system and control method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20200118 |