WO2007043242A1 - 直流電気鉄道の電力貯蔵装置 - Google Patents
直流電気鉄道の電力貯蔵装置 Download PDFInfo
- Publication number
- WO2007043242A1 WO2007043242A1 PCT/JP2006/316222 JP2006316222W WO2007043242A1 WO 2007043242 A1 WO2007043242 A1 WO 2007043242A1 JP 2006316222 W JP2006316222 W JP 2006316222W WO 2007043242 A1 WO2007043242 A1 WO 2007043242A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electric
- voltage
- power storage
- regenerative
- power
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 35
- 230000002265 prevention Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000001172 regenerating effect Effects 0.000 claims description 80
- 230000004044 response Effects 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 abstract description 8
- 238000011069 regeneration method Methods 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000009849 deactivation Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/06—Arrangements for consuming regenerative power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
Definitions
- the present invention relates to a power storage device for a DC electric railway that supplies power to an electric vehicle or absorbs regenerative power, and more particularly to an electric vehicle when the power storage medium is charged to an arbitrary voltage or higher.
- the present invention relates to a device for preventing regeneration expiration.
- a problem with the power storage device is that when the power storage medium is fully charged, it cannot absorb any more regenerative power. If regenerative braking of the electric vehicle occurs in this fully charged state, the regenerative operation is disabled on the electric vehicle side (electric braking is impossible) and the regenerative operation is stopped, and the braking method is switched from the electric brake to the mechanical brake. There will be a braking delay due to. Due to this braking delay, sudden braking of the mechanical brake leaves problems such as failure to stop the electric vehicle at a fixed point and shortening the service life due to increased wear of the wheels and brake shoe.
- Patent Document 1 absorbs regenerative power by bypassing the regenerative current from the electric vehicle to the load resistance when the electric double layer capacitor is fully charged.
- This method can prevent regenerative loss of electric vehicles and overvoltage protection of electric double layer capacitors, but requires load resistance equipment and ventilation equipment and heat dissipation equipment for dissipating heat generated by the equipment. Securing equipment installation space and equipment costs are required.
- the capacity of the electric double layer capacitor can be increased to reduce the chance of power absorption by the load resistance. This makes the electric double layer capacitor larger and more expensive.
- Patent Document 2 performs control to lower the output voltage of the feed substation when the voltage of the capacitor is equal to or higher than a predetermined set value.
- the voltage cannot be lowered.
- the overvoltage of the capacitor due to the regenerative electric power from the electric vehicle is not necessarily protected, and depends on the operating state of other electric vehicles.
- the existing feeder substation does not have the output voltage regulation function using a tapped transformer or semiconductor power converter, it cannot be applied unless the feeder substation itself is newly installed. Therefore, the power supply equipment that can be applied is limited, and in the case of equipment that cannot be applied, the equipment itself is replaced, which requires a large equipment cost.
- An object of the present invention is to prevent regenerative invalidation of an electric vehicle in an electric power storage device that supplies power to the electric vehicle or absorbs regenerative power by charging and discharging an electric power storage medium using a DC Z-DC converter.
- reliable overvoltage protection of the power storage medium is possible!
- load resistance equipment, ventilation equipment and heat dissipation equipment are not required, and the power storage medium is not enlarged. It is to provide a DC electric railway power storage device that can be used.
- the present invention has the following configuration.
- Electric power storage of a DC electric railway that supplies power to an electric vehicle or absorbs regenerative power of an electric vehicle having a regenerative current narrowing control function by charging and discharging a power storage medium with a DC Z-DC converter
- the direct current z direct current converter is provided with regenerative invalidation prevention control means for increasing the voltage of the electric wire to a voltage at which the regenerative current narrowing control function of the electric vehicle operates when the power storage medium is charged to an arbitrary voltage. It is characterized by that.
- the direct current Z direct current converter is provided with regenerative expiration prevention control means for increasing the voltage of the electric wire to a voltage at which the regenerative current of the electric vehicle becomes zero when the power storage medium is charged to a full charge voltage. It is characterized by.
- the DC Z-DC converter increases the voltage of the electric wire to the voltage at which the regenerative current narrowing control function of the electric vehicle operates, and the voltage of the power storage medium In response to the increase, the voltage of the electric wire is also increased to increase the amount of regenerative current, and when the power storage medium is charged to the full charge voltage, the regenerative current is reduced to zero by the regenerative current limiting control function of the electric vehicle. It is characterized by the provision of regenerative expiration prevention control means that raises the voltage of the electric wire up to the voltage.
- the direct current Z direct current converter is a step-up / down booster.
- the power storage medium is an electric double layer capacitor.
- FIG. 1 is a configuration diagram of a main part of a DC electric railway power feeding system showing an embodiment of the present invention.
- a regenerative current narrowing control function of an electric vehicle (in accordance with a panta point voltage exceeding a specified value).
- This is equipped with a regenerative deactivation prevention control means for the DC Z-DC converter that raises the voltage of the feeder according to the voltage rise of the power storage medium using the function to narrow the regenerative current from 100% to 0%. .
- the electric vehicle has a regenerative current narrowing control function.
- This control function is installed in an existing electric vehicle.
- the punter point voltage is monitored, and when this voltage exceeds the specified value, the regenerative current is reduced from 100% to 0% accordingly to prevent the punter point voltage from rising excessively.
- the aperture ratio is 1.0 (0% aperture) when the punter voltage is 1600V DC or less, and the aperture ratio is 0 (100% aperture) when DC1800V or higher.
- the aperture ratio is linearly reduced to 0 in proportion to the voltage to suppress the regenerative current.
- the electric double layer capacitor 4A is used as the power storage medium and the buck-boost chiba 4B is applied as the DC Z-DC converter, but the power storage medium 4A and the DC Z-DC converter 4B are used. Is not limited to the present embodiment.
- the power storage device 4 includes a main circuit composed of an electric double layer capacitor 4A and a step-up / step-down voltage regulator 4B.
- the chietsuba controller 4C is provided as a control device.
- the chiyotsuba control unit 4C has a charge / discharge control function similar to that provided in a conventional power storage device, so that the feeder voltage detection signal Vt can be supplied so as to be able to supply power and absorb regenerative power. And switching of the step-up / step-down operation of the step-up / step-down chiba 4B and continuity control by matching with the charge / discharge control voltage.
- the chopper control unit 4C causes the booster 4B to perform a boost operation when the feeder line voltage Vt is reduced to a specified value or less due to the caulking operation of the electric vehicle, and a part or all of the caulking power is transferred to the capacitor 4A.
- the power is also supplied as discharge power.
- the chopper control unit 4C operates the stepped-down chopper 4B to charge part or all of the regenerative power to the capacitor 4A. As absorb.
- the required charge / discharge power is adjusted by controlling the conductivity of the chiyotsuba 4B.
- the chitsuba control unit 4C of the present embodiment has a regenerative current narrowing control function possessed by the electric vehicle itself when the electric double layer capacitor 4A is charged to an arbitrary voltage.
- a regenerative / expiration prevention control means that raises the voltage of the electric wire to the operating voltage.
- the wire voltage also rises to increase the amount of electric car's regenerative current, and capacitor 4A is fully charged. Control is performed so that the regenerative current becomes zero when the battery is charged to a voltage.
- This regeneration / expiration prevention control means protects the capacitor 4A from being overcharged by preventing the capacitor 4A from being charged beyond the full charge voltage without increasing the capacity of the capacitor 4A without providing a load resistance facility. Regenerative current reduction function of electric cars prevents regenerative invalidation of electric cars
- regenerative deactivation prevention control means when the operating voltage range of the electric double layer capacitor 4A is 400V to 1000V (full charge voltage) The operation of will be described.
- charge / discharge control (steady control) of the capacitor 4A is performed so that the voltage of the chopper control unit 4C feeder wire is about 1650V in the range of voltage force 00V to 800V of the capacitor 4A. 100% of the regenerative current is regenerated.
- the voltage of the capacitor 4A approaches 1000V (full charge voltage) and reaches the specified value of 800V or more
- the voltage of the feeder is increased by the regenerative deactivation prevention control means of the chiyotsuba control unit 4C.
- the regenerative current reduction control function of the car 2 itself starts to operate and the regenerative current decreases.
- the electric booster 4B controls the electric vehicle 2 by controlling the voltage of the feeder line from 1650V to 1800V in the range of the capacitor 4A in the range of 800V to 1000V (full charge voltage) by controlling the conductivity. Narrow down the regenerative current.
- the capacitor 4A power SlOOOV full charge
- the regenerative current of the electric vehicle 2 becomes zero by controlling the voltage of the feeder to 1800V.
- the power regeneration current narrowing control function is utilized because the surplus energy that cannot be regenerated is left in the electric vehicle 2 due to the voltage rise of the feeder.
- the electric vehicle 2 does not perform regenerative braking by exceeding the fully charged voltage of the capacitor 4A due to the voltage rise, and regenerative deactivation does not occur because it is braked by mechanical brake before regenerative deactivation.
- Capacitor 4A is not charged beyond the full charge voltage, so it does not become overvoltage.
- problems such as failure to stop fixed points of electric vehicles without sudden braking due to switching from electric braking to mechanical braking and shortening of service life due to increased wear of wheels and brake shoes are eliminated.
- the power storage medium can be protected from overvoltage.
- FIG. 1 is a configuration diagram of a main part of a feeding system for a DC electric railway showing an embodiment of the present invention.
- FIG. 2 shows an example of regenerative current narrowing characteristics of an electric vehicle.
- FIG. 3 shows an example of current Z voltage control of each part in steady control and regenerative expiration prevention control.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800378678A CN101282855B (zh) | 2005-10-12 | 2006-08-18 | 直流电气轨道的电力存储单元 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-297066 | 2005-10-12 | ||
JP2005297066A JP4848729B2 (ja) | 2005-10-12 | 2005-10-12 | 直流電気鉄道の電力貯蔵装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007043242A1 true WO2007043242A1 (ja) | 2007-04-19 |
Family
ID=37942503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/316222 WO2007043242A1 (ja) | 2005-10-12 | 2006-08-18 | 直流電気鉄道の電力貯蔵装置 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4848729B2 (ja) |
KR (1) | KR100998873B1 (ja) |
CN (1) | CN101282855B (ja) |
MY (1) | MY141103A (ja) |
WO (1) | WO2007043242A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104583001A (zh) * | 2012-10-31 | 2015-04-29 | 株式会社东芝 | 电力管理装置以及电力管理系统 |
JP2017147786A (ja) * | 2016-02-15 | 2017-08-24 | 株式会社東芝 | 異常診断装置、方法、及びプログラム |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4978354B2 (ja) * | 2007-07-17 | 2012-07-18 | 株式会社明電舎 | 直流電力貯蔵装置 |
JP5493604B2 (ja) * | 2009-09-03 | 2014-05-14 | 株式会社明電舎 | 直流電気鉄道の電力貯蔵装置 |
JP5604984B2 (ja) * | 2010-05-27 | 2014-10-15 | 株式会社明電舎 | 電気鉄道システムのき電電圧制御方法 |
CN102729841B (zh) * | 2012-07-03 | 2015-04-01 | 南车株洲电力机车研究所有限公司 | 供电臂布线系统和锚段关节式分相系统 |
CN103434420B (zh) * | 2013-07-29 | 2016-02-17 | 华北电力大学(保定) | 基于电动汽车充电的制动能量回收式直流牵引供电系统 |
CN112350377B (zh) * | 2021-01-11 | 2021-04-13 | 西南交通大学 | 一种同相牵引供电发电系统及控制方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003237431A (ja) * | 2002-02-20 | 2003-08-27 | Shizuki Electric Co Inc | 饋電電圧補償システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4731723A (en) * | 1985-07-12 | 1988-03-15 | Kabushiki Kaisha Meidensha | Power supply installation for DC electric railroad |
JPH1191415A (ja) * | 1997-07-22 | 1999-04-06 | Nissin Electric Co Ltd | 電鉄用直流変電システム |
JP2003220859A (ja) * | 2002-01-30 | 2003-08-05 | Hitachi Ltd | 直流機電用電力蓄積装置及び鉄道機電システム |
JP3927901B2 (ja) * | 2002-11-21 | 2007-06-13 | 株式会社指月電機製作所 | 饋電電圧補償装置 |
-
2005
- 2005-10-12 JP JP2005297066A patent/JP4848729B2/ja active Active
-
2006
- 2006-08-18 MY MYPI20080959A patent/MY141103A/en unknown
- 2006-08-18 KR KR1020087008567A patent/KR100998873B1/ko active IP Right Grant
- 2006-08-18 CN CN2006800378678A patent/CN101282855B/zh not_active Expired - Fee Related
- 2006-08-18 WO PCT/JP2006/316222 patent/WO2007043242A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003237431A (ja) * | 2002-02-20 | 2003-08-27 | Shizuki Electric Co Inc | 饋電電圧補償システム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104583001A (zh) * | 2012-10-31 | 2015-04-29 | 株式会社东芝 | 电力管理装置以及电力管理系统 |
JP2017147786A (ja) * | 2016-02-15 | 2017-08-24 | 株式会社東芝 | 異常診断装置、方法、及びプログラム |
Also Published As
Publication number | Publication date |
---|---|
CN101282855B (zh) | 2010-08-18 |
JP2007106186A (ja) | 2007-04-26 |
CN101282855A (zh) | 2008-10-08 |
KR100998873B1 (ko) | 2010-12-08 |
KR20080046236A (ko) | 2008-05-26 |
JP4848729B2 (ja) | 2011-12-28 |
MY141103A (en) | 2010-03-15 |
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