CN100439146C - Electric soft braking system for underground engines - Google Patents
Electric soft braking system for underground engines Download PDFInfo
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- CN100439146C CN100439146C CNB2006100303298A CN200610030329A CN100439146C CN 100439146 C CN100439146 C CN 100439146C CN B2006100303298 A CNB2006100303298 A CN B2006100303298A CN 200610030329 A CN200610030329 A CN 200610030329A CN 100439146 C CN100439146 C CN 100439146C
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Abstract
The invention relates to an electric soft brake system of subway, which comprises a direct-current drawing motor, a drawing machine, a drawing controller, an electric driver, a soft brake controller, a regeneration brake soft switch, a large-power feedback diode, a large-capacity stable voltage capacitor, an energy-consumption brake soft switch, a large-power energy-consumption resistance, and a 1500V direct-current network, wherein when the subway enters into brake condition, the electric driver and the soft brake controller obtain the brake instruction at the same time, the electric driver will break the output, and the motor will be changed into the working condition of generator; when the voltage at two ends of capacitor will boost to 1500V, the soft brake controls the regeneration brake soft switch to realize soft connection, to feed electric via direct-current network; when the voltage of generator is lower than 1500V, the soft brake controller controls the energy-consumption brake to realize soft connection, to discharge the voltage of generator via the energy-consumption load circuit. The invention can improve the safety.
Description
Technical field
The present invention relates to the power electronics and power drives technical field, specifically is a kind of electric soft braking system for underground engines.
Background technology
Subway train has become a kind of convenient and economic vehicle in the city day by day, and current China builds up in some important cities and the subway that is about to build up has had certain quantity and scale.Along with the continuous expansion of subway construction scale, the rolling stock model in the metro operation, kind, quantity also increase (have import, also have homemade) thereupon.Because the subway construction of China is started late, operation is lacked experience, in the inadequate natural endowment of choosing external type or existing locomotive technology existence itself voluntarily in design and the underground engines of producing more or less (promptly, congenital technological deficiency), along with the accumulation of operation experience, very clearly recognize that these congenital technological deficiencies are the hidden danger of underground engines safe operation, must under possible situation, take all new technological means to be settleed one by one.
Wherein, underground engines electric braking technology just exists technological deficiency.The electric braking process of the current underground engines that moves on China's subway line was made of two deboost phases: regenerative brake and resistance braking, but, no matter locomotive is in the regenerative brake stage, still be in the resistance braking stage, line connection wherein all is to adopt very simple on/off control by binistor, therefore make high-power diode in the regenerative brake loop and/or the high-power energy consumption resistance in the resistance braking loop and motor be subjected to the impact of great voltage stress and current stress, therefore these high-power critical components will be subjected to the great damage that is difficult to avoid, if things go on like this, can lead to the grave accident of locomotive operation because of the collapse of portion/device.
Find by prior art documents, document " development of heavy haul train braking technology and progress " (Sun Fuxiang " rolling stock " 2004 the 24th volume the 6th phase) has been done blow-by-blow comprehensive argumentation to the state of development of locomotive brake technology in recent decades, though also mention the braking technology of electric locomotive, but, whole braking technologies that document is summarized only limit to the mechanical braking technical elements of various kinds of vehicles, do not relate to the electric braking technology in the electric locomotive all the time.Find document " SS again
3BType locomotive braking resistor cubicle over-heated fault is analyzed and technological improvement " (Yuan Wei, Zang Jun, 2005 the 5th the 3rd phases of volume of Shi Wensheng " rolling stock ") analyze and propose the suggestion of technological improvement at braking resistor cubicle over-heated fault in the electric braking in the electric locomotive.Prior art only is confined to the selected device material quality of resistor box itself, the improvement that connects technology, the control of cooling blower and the design of cooling air channel etc. is installed, though, these technological improvements are cost to increase manufacturing cost, really can play a role with the aspect in service life that prolongs resistor box to reducing fault rate, but, prior art is not had in mind from the cardinal principle of electric braking fault as yet, so the described technology of document can't fundamentally be rooted out the hidden danger that forms the electric braking fault.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, propose a kind of electric soft braking system for underground engines.Make it avoid simple on/off on off state control that conventional art adopts and the voltage stress that causes and current stress to the impact of high-power feed diode, high-power energy consumption resistance device and motor commentaries on classics/stator, and then avoided the generation of potential faults and the appearance of device collapsibility accident.
The present invention is achieved by the following technical solutions, the present invention includes: dc traction motor, driving machinery, locomotive traction controller, power electronics actuating device, soft brake controller, the soft switch of regenerative brake, high-power feed diode, high capacity steady voltage cond, the soft switch of resistance braking, high-power energy consumption resistance device, 1500V direct current network.Annexation between each parts is as follows: all operating conditions (comprising: starting, acceleration, idling and braking) of locomotive traction controller control locomotive, and two delivery channels of locomotive traction controller are connected respectively to the control command input channel of power electronics actuating device and soft brake controller; The power output of power electronics actuating device is connected with dc traction motor, and guarantees that the output cathode of power electronics actuating device is connected with the positive pole of dc traction motor, and the output negative pole of power electronics actuating device is connected with the negative pole of dc traction motor; High capacity steady voltage cond is connected on two end points of power electronics actuating device power output; The negative electrode of the soft switch of resistance braking with after high-power energy consumption resistance device is connected in series again with high capacity steady voltage cond and connect, and guarantee that the anode of the soft switch of resistance braking is connected with the output cathode of power electronics actuating device; The anode of the soft switch of regenerative brake is connected on the positive pole of dc traction motor, and the negative pole of the soft switch of regenerative brake is connected in series with the positive pole of high-power feed diode, and the negative pole of high-power feed diode is connected to the positive pole of 1500V direct current network; Two control delivery channels of soft brake controller are connected with the control utmost point of soft switch of regenerative brake and the soft switch of resistance braking respectively, so that two latter receive the control command that soft brake controller sends; Dc traction motor is the electric driving force of locomotive, is connected with driving machinery by mechanical transmission structure.
When the locomotive traction controller sent starting order, the power electronics actuating device was to dc traction motor output direct drive electric power, dc traction motor entry into service; Along with the arrival of assisted instruction, the output voltage of power electronics actuating device begins to promote, and the horsepower output of dc traction motor and torque also strengthen thereupon, then driving machinery accelerated service (that is, train quickens to advance); After moving certain period with the idling attitude, train (determines) according to the moving law of train in interval, the locomotive traction controller sends braking instruction, this moment, braking instruction can arrive the control command input port of power electronics actuating device and soft brake controller simultaneously, the power electronics actuating device is ended output, dc traction motor is dead electricity immediately, dc traction motor relies on the stored mechanical kinetic energy of self and driving machinery high-speed operation to make the operating mode of self produce reverse, be converted to the electrical generator operating mode by original motor working condition, outwards export electric energy, and, its induced electromotive force can be well beyond the rated operational voltage 1500V of 1500V direct current network, when the power electronics actuating device is ended output, soft brake controller is exported control command to the control utmost point of the soft switch of regenerative brake, the soft switch of control regenerative brake is with the soft switch of mode conducting regenerative brake of soft unlatching, the electric energy that dc traction motor sends is presented to the 1500V direct current network by soft switch of regenerative brake and high-power feed diode, in the electrical network feed, the opposing torque that motor produced impels rotating speed of motor to begin to descend; Motor speed drops to a certain degree, its induced electric motive force begins to drop to below the 1500V, at this moment, regenerative electric energy has been lost the ability of presenting to electrical network, under the control of soft brake controller, the soft switch of resistance braking begins conducting according to the soft mode of opening, and the electric energy that motor produced discharges by the C/LOOP that the soft switch of resistance braking and high-power energy consumption resistance device and its are constituted, discharge institute generation motor opposing torque make motor and driving machinery thereof gradually reduction of speed to static.
After electric braking went to resistance braking from regenerative brake, soft brake controller interrupted regenerative brake instruction delivery channel, and the soft switch control of regenerative brake pole tension transforms to zero from maxim; Along with the decline of motor speed, when the soft switch conduction electric current of resistance braking went to zero, soft brake controller interrupted resistance braking instruction delivery channel, and the soft switch control of resistance braking pole tension also transforms to zero from maxim; The whole braking procedure of system finishing.
Described dc traction motor, promptly underground engines traction power motor has two kinds of mode of operations: motor working condition and electrical generator operating mode.When motor is in motor working condition, award to it by subway 1500V direct current network; When motor is in the electrical generator operating mode and produces when being higher than the vdc of 1500V, motor is to the electrical network feed.
Described driving machinery means subway train machinery dragging system.
Described locomotive traction controller, it is the original controller of underground engines, operating modes such as starting, acceleration, idling and braking to train travelling process are implemented conversion and control, wherein, the control command to braking procedure comprises that the information that reaches soft brake controller control law is controlled in the driving power output of power electronics actuating device to be passed on.
Described power electronics actuating device, by the in-to-in chopper circuit under the effect of locomotive traction controller start pulse signal, carry out the DC-DC conversion, reach the effect of regulating vdc, make the piezoelectric voltage of awarding be added to the DC machine two ends obey train operation operating mode rule and change, realize adjusting dc traction motor horsepower output and torque under motor working condition.
Described soft brake controller, at the locomotive traction controller when the power electronics actuating device sends braking instruction, soft brake controller obtains information from the control signal delivery channel of locomotive traction controller, sends soft opening/turn-off control command to the soft switch of regenerative brake and/or the soft switch of resistance braking.Simultaneously, soft brake controller also possesses from high capacity steady voltage cond, 1500V direct current network and high-power feed diode and detects parameters such as capacitance terminal voltage, line voltage and diode current flow electric current respectively.When the locomotive traction controller sent braking instruction, soft brake controller can decide the control law to the soft switch of regenerative brake and the soft switch conduction of resistance braking/close by the conducting electric current of test dc traction motor electrode both end voltage (comprising: the size of voltage and polarity), line voltage, the soft switch of regenerative brake and the soft switch of resistance braking.
Soft switch of described regenerative brake and the soft switch of resistance braking all are the high-power electric and electronic binistor, have good zero current turning-on and zero voltage turn-off characteristic.
Described " regenerative brake ", when to be dc traction motor under the high-speed operation state of braking beginning by motor working condition be converted to the electrical generator operating mode, when the voltage that the electro-motive force that is produced forms at high capacity steady voltage cond two ends exceeds the 1500V line voltage, the electric power that electrical generator produced can be presented to electrical network, therefore be called " regenerative brake ", promptly rely on braking torque that regenerative electric energy forms to brake.
Described " resistance braking ", promptly, after rotating speed of motor is reduced to a certain degree, when the generator output voltage that is generated is lower than the 1500V line voltage, do not possess ability, at this moment, the electric power that is generated is carried out expenditure of energy by the loop that high-power energy consumption resistance device constitutes to the electrical network feed, utilize the braking torque of the Cheng Sheng of process institute of power consumption to brake, therefore be referred to as " resistance braking ".
The present invention all makes motor obtain a braking torque opposite with machine torque by to the electrical network feed or by the discharge of energy consumption load circuit, therefore can be so that train slows down gradually.Because the arbitrary deboost phase in above-mentioned braking procedure (regenerative brake and resistance braking), all adopted soft switch technique, therefore the simple on/off on off state control of having avoided conventional art and being adopted and the voltage stress that causes and current stress be to the impact of high-power feed diode, high-power energy consumption resistance device and motor commentaries on classics/stator, and then avoided the generation of potential faults and the appearance of device collapsibility accident.
Description of drawings
Fig. 1 system construction drawing of the present invention
The specific embodiment
As shown in Figure 1, the present invention includes: dc traction motor 1, driving machinery 2, locomotive traction controller 3, power electronics actuating device 4, soft brake controller 5, the soft switch 6 of regenerative brake, high-power feed diode 7, high capacity steady voltage cond 8, the soft switch 9 of resistance braking, high-power energy consumption resistance device 10,1500V direct current network 11.
Before the subway locomotive enters damped condition, train is in the high-speed cruising state, in case when sending braking instruction by locomotive traction controller 3, power electronics actuating device 4 obtains the corresponding action instruction simultaneously with soft brake controller 5, the output of power electronics actuating device 4 drives interrupts power, dc traction motor 1 changes the work quadrant immediately, change the electrical generator operating mode into by motor working condition, this moment, the voltage at high capacity steady voltage cond 8 two ends got a promotion rapidly, voltage at high capacity steady voltage cond 8 two ends rises to the moment of 1500V, soft brake controller 5 sends trigging pulse to the control utmost point of the soft switch 6 of regenerative brake, by the operating angle of trigging pulse and the variation of pulse width are controlled, realize the soft open-minded of the soft switch 6 of regenerative brake, and then pass through high-power feed diode 7 to 1500V direct current network feed.Decline along with driving machinery 2 kinematic velocitys, the rotating speed of dc traction motor 1 is also along with reduction, when the voltage that is sent when the electrical generator operating mode of dc traction motor 1 is lower than 1500V, regenerative brake is promptly ended, another instruction delivery channel of soft brake controller 5 sends trigging pulse to the control utmost point of the soft switch 9 of resistance braking, by the operating angle of trigging pulse and the variation of pulse width are controlled, realize the soft open-minded of the soft switch 9 of resistance braking, the voltage that the electrical generator operating mode of dc traction motor 1 is sent discharges by the energy consumption load circuit that is made of soft switch 9 of resistance braking and high-power energy consumption resistance device 10.
After electric braking went to resistance braking from regenerative brake, soft brake controller 5 interrupted regenerative brake instruction delivery channel, and the soft switch 6 control pole tensions of regenerative brake transform to zero from maxim; Along with the decline of motor speed, when the soft switch 9 conducting electric currents of resistance braking went to zero, soft brake controller 5 interrupted resistance braking instruction delivery channel, and the soft switch 9 control pole tensions of resistance braking also transform to zero from maxim; The whole braking procedure of system finishing.
In above two deboost phases, by to the electrical network feed or by the discharge of energy consumption load circuit, all make motor obtain a braking torque opposite with machine torque, therefore can be so that train slows down gradually.Because the arbitrary deboost phase in above-mentioned braking procedure (regenerative brake and resistance braking), all adopted soft switch technique, therefore the simple on/off on off state control of having avoided conventional art and being adopted and the voltage stress that causes and current stress be to the impact of high-power feed diode 9, high-power energy consumption resistance device 10 and motor commentaries on classics/stator, and then avoided the generation of potential faults and the appearance of device collapsibility accident.
Embodiment: the soft braking technology research of a line DC-01 of Shanghai Underground direct current drive locomotive
Implementation condition:
The soft switch 9 of soft switch 6 of regenerative brake of the present invention and resistance braking is replaced original simple on/off control thyristor, the control signal passage that increases soft brake controller 5 of the present invention and make up by the present invention; On the real-world operation line, experimentize.
Detailed process is as follows:
(1) the experiment locomotive is pressed the nominal situation operation;
(2) enable the technology of the present invention automatically, implement soft braking:
(3) gather in real time and show associated voltage and electric current change curve.
Concrete result of implementation:
The traffic coverage at adjacent two stations detects data display:
Soft switch of regenerative brake and the soft switch of resistance braking are from turn-offing logical τ settling time of standard-sized sheet
11=τ
21=10ms;
The soft switch of regenerative brake leads to τ settling time of shutoff from standard-sized sheet
12=10s;
The soft switch of resistance braking leads to τ settling time of shutoff from standard-sized sheet
22=50s;
The full application of brake process demonstrates: high-power feed diode, high-power energy consumption resistance device and motor braking torque have good nonlinear characteristic, and obtain the fabulous checking of train operation stationarity and braking procedure mechanical movement bump sound equipment detection effect.
Claims (4)
1, a kind of electric soft braking system for underground engines, comprise: dc traction motor (1), driving machinery (2), locomotive traction controller (3), power electronics actuating device (4), high-power feed diode (7), high capacity steady voltage cond (8), high-power energy consumption resistance device (10), 1500V direct current network (11), it is characterized in that, also comprise: soft brake controller (5), the soft switch of regenerative brake (6), the soft switch of resistance braking (9), all operating conditions of locomotive traction controller (3) control locomotive, two delivery channels of locomotive traction controller (3) are connected respectively to the control command input channel of power electronics actuating device (4) and soft brake controller (5); Soft brake controller (5) also detects capacitance terminal voltage, line voltage and diode current flow electric current from high capacity steady voltage cond (8), 1500V direct current network (11) respectively with high-power feed diode (7); The power output of power electronics actuating device (4) is connected with dc traction motor (1), and the output cathode that guarantees power electronics actuating device (4) is connected with the positive pole of dc traction motor (1), and the output negative pole of power electronics actuating device (4) is connected with the negative pole of dc traction motor (1); High capacity steady voltage cond (8) is connected on two end points of power electronics actuating device (4) power output; The negative electrode of the soft switch of resistance braking (9) with after high-power energy consumption resistance device (10) is connected in series again with high capacity steady voltage cond (8) and connect, and guarantee that the anode of the soft switch of resistance braking (9) is connected with the output cathode of power electronics actuating device (4); The anode of the soft switch of regenerative brake (6) is connected on the positive pole of dc traction motor (1), the negative pole of the soft switch of regenerative brake (6) is connected in series with the positive pole of high-power feed diode (7), and the negative pole of high-power feed diode (7) is connected to the positive pole of 1500V direct current network (11); Two control delivery channels of soft brake controller (5) are connected with the control utmost point of the soft switch of regenerative brake (6) with the soft switch of resistance braking (9) respectively, so that receive the control command that soft brake controller (5) is sent; Dc traction motor (1) is the electric driving force of locomotive, is connected with driving machinery (2) by mechanical transmission structure.
2, electric soft braking system for underground engines according to claim 1, it is characterized in that, after electric braking went to resistance braking from regenerative brake, soft brake controller (5) interrupted regenerative brake instruction delivery channel, and the soft switch of regenerative brake (6) control pole tension transforms to zero from maxim.
3, electric soft braking system for underground engines according to claim 1, it is characterized in that, when the soft switch of resistance braking (9) conducting electric current goes to zero, soft brake controller (5) interrupts resistance braking instruction delivery channel, and the soft switch of resistance braking (9) control pole tension also transforms to zero from maxim.
4, according to claim 1 or 2 or 3 described electric soft braking system for underground engines, it is characterized in that, described soft brake controller (5), the parallel control command signal of obtaining of braking instruction delivery channel from locomotive traction controller (3) to power electronics actuating device (4), when locomotive traction controller (3) when sending braking instruction, soft brake controller (5) can be by the size and the polarity of test dc traction motor (1) electrode both end voltage, line voltage, the conducting electric current of soft switch of regenerative brake (6) and the soft switch of resistance braking (9) decides carries out soft opening/soft shutoff control command to soft switch of regenerative brake (6) or the soft switch of resistance braking (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100303298A CN100439146C (en) | 2006-08-24 | 2006-08-24 | Electric soft braking system for underground engines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100303298A CN100439146C (en) | 2006-08-24 | 2006-08-24 | Electric soft braking system for underground engines |
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| CN1907751A CN1907751A (en) | 2007-02-07 |
| CN100439146C true CN100439146C (en) | 2008-12-03 |
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| CNB2006100303298A Expired - Fee Related CN100439146C (en) | 2006-08-24 | 2006-08-24 | Electric soft braking system for underground engines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544650A (en) * | 2013-10-29 | 2014-01-29 | 南京南车浦镇城轨车辆有限责任公司 | Subway vehicle maintenance strategy generation method |
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| US9325268B2 (en) * | 2011-07-27 | 2016-04-26 | Vestas Wind Systems A/S | Power dissipating arrangement in a wind turbine |
| CN105739451B (en) * | 2014-12-09 | 2019-05-24 | 株洲南车时代电气股份有限公司 | Electric system overvoltage copped wave energy consumption balance control method |
| CN106240551B (en) * | 2016-07-29 | 2019-08-27 | 株洲中车时代电气股份有限公司 | A kind of electric braking control method and control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2711183A1 (en) * | 1977-03-15 | 1978-09-21 | Licentia Gmbh | DC traction control for underwater craft - has electronic switching and emergency stop with control resistances connected to motor |
| DE2742436A1 (en) * | 1977-09-21 | 1979-03-22 | Bbc Brown Boveri & Cie | Three=phase induction control with regenerative braking - has smoothing choke linked to supply by switching elements and anti-parallel diode |
| CN86104235A (en) * | 1985-06-17 | 1986-12-17 | 株式会社明电舍 | The power equipment supply that is used for DC electric railroad |
| CN1234346A (en) * | 1998-04-01 | 1999-11-10 | 福纳里·曼纽拉 | Protection device for brake resistor of locomotive |
| CN1745001A (en) * | 2002-12-13 | 2006-03-08 | 庞巴迪运输公司 | Braking system and braking control method |
-
2006
- 2006-08-24 CN CNB2006100303298A patent/CN100439146C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2711183A1 (en) * | 1977-03-15 | 1978-09-21 | Licentia Gmbh | DC traction control for underwater craft - has electronic switching and emergency stop with control resistances connected to motor |
| DE2742436A1 (en) * | 1977-09-21 | 1979-03-22 | Bbc Brown Boveri & Cie | Three=phase induction control with regenerative braking - has smoothing choke linked to supply by switching elements and anti-parallel diode |
| CN86104235A (en) * | 1985-06-17 | 1986-12-17 | 株式会社明电舍 | The power equipment supply that is used for DC electric railroad |
| CN1234346A (en) * | 1998-04-01 | 1999-11-10 | 福纳里·曼纽拉 | Protection device for brake resistor of locomotive |
| CN1745001A (en) * | 2002-12-13 | 2006-03-08 | 庞巴迪运输公司 | Braking system and braking control method |
Non-Patent Citations (6)
| Title |
|---|
| 上海地下铁道车辆制动系统（上）. 夏寅荪，陈钟麟.铁道车辆，第33卷第1期. 1995 |
| 上海地下铁道车辆制动系统（上）. 夏寅荪，陈钟麟.铁道车辆，第33卷第1期. 1995 * |
| 上海地下铁道车辆制动系统（下）. 夏寅荪，陈钟麟.铁道车辆，第33卷第3期. 1995 |
| 上海地下铁道车辆制动系统（下）. 夏寅荪，陈钟麟.铁道车辆，第33卷第3期. 1995 * |
| 地铁动车组再生与电阻制动时能耗均衡的实现. 樊嘉峰，陈军华.机车电传动，第6期. 2000 |
| 地铁动车组再生与电阻制动时能耗均衡的实现. 樊嘉峰，陈军华.机车电传动，第6期. 2000 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544650A (en) * | 2013-10-29 | 2014-01-29 | 南京南车浦镇城轨车辆有限责任公司 | Subway vehicle maintenance strategy generation method |
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