JPS6460206A - Service interruption detecting controller for ac electric rolling stock - Google Patents
Service interruption detecting controller for ac electric rolling stockInfo
- Publication number
- JPS6460206A JPS6460206A JP21464687A JP21464687A JPS6460206A JP S6460206 A JPS6460206 A JP S6460206A JP 21464687 A JP21464687 A JP 21464687A JP 21464687 A JP21464687 A JP 21464687A JP S6460206 A JPS6460206 A JP S6460206A
- Authority
- JP
- Japan
- Prior art keywords
- service interruption
- output
- pulse
- signal
- signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
PURPOSE:To suppress motor driving current and prevent heavy current from flowing to a motor at the time of releasing service interruption, by converting an output signal of a transformer to a pulse signal according to the frequency of the output signal, and by detecting the service interruption when the pulse number of the pulse signal comes to a set value or below. CONSTITUTION:By a waveform shaping circuit 10A, output signals at both the ends of the tertiary winding 33 of a transformer 3 are converted to pulse signals according to the frequency of the output signals. Through an AND gate 10c, pulse signals from the circuit 10A and a pulse signal generator 10B are taken, and the output is directed to a counter 10D. When the count value of the counter 10D comes to a set value or less, then from a comparing circuit 10E, the output of service interruption detecting signal is directed to gate controllers 12, 13. Then, control to diminish an ignition angle to GTOs 52, 72 is performed, and the driving current of a three-phase motor 8 is suppressed. Accordingly, even if power is fed after service interruption is released, excess current does not flow to the three-phase motor 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62214646A JP2548738B2 (en) | 1987-08-28 | 1987-08-28 | PWM converter device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62214646A JP2548738B2 (en) | 1987-08-28 | 1987-08-28 | PWM converter device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6460206A true JPS6460206A (en) | 1989-03-07 |
JP2548738B2 JP2548738B2 (en) | 1996-10-30 |
Family
ID=16659204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62214646A Expired - Lifetime JP2548738B2 (en) | 1987-08-28 | 1987-08-28 | PWM converter device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2548738B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008228540A (en) * | 2007-03-15 | 2008-09-25 | Toshiba Corp | Vehicle drive control device |
WO2009025049A1 (en) | 2007-08-22 | 2009-02-26 | Mitsubishi Electric Corporation | Controller for ac electric train |
WO2017037795A1 (en) * | 2015-08-28 | 2017-03-09 | 株式会社東芝 | Railway vehicle, and vehicle power conversion apparatus and method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59108277U (en) * | 1983-01-10 | 1984-07-21 | オムロン株式会社 | Power outage detection circuit |
JPS6172930A (en) * | 1984-09-17 | 1986-04-15 | Matsushita Electric Ind Co Ltd | Control device for combustion equipment |
JPS61147421A (en) * | 1984-12-18 | 1986-07-05 | 豊田工機株式会社 | Pressure switch |
JPS6277062A (en) * | 1985-09-27 | 1987-04-09 | Toshiba Corp | Power interruption detector for power converter |
JPS6295402U (en) * | 1985-12-06 | 1987-06-18 |
-
1987
- 1987-08-28 JP JP62214646A patent/JP2548738B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59108277U (en) * | 1983-01-10 | 1984-07-21 | オムロン株式会社 | Power outage detection circuit |
JPS6172930A (en) * | 1984-09-17 | 1986-04-15 | Matsushita Electric Ind Co Ltd | Control device for combustion equipment |
JPS61147421A (en) * | 1984-12-18 | 1986-07-05 | 豊田工機株式会社 | Pressure switch |
JPS6277062A (en) * | 1985-09-27 | 1987-04-09 | Toshiba Corp | Power interruption detector for power converter |
JPS6295402U (en) * | 1985-12-06 | 1987-06-18 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008228540A (en) * | 2007-03-15 | 2008-09-25 | Toshiba Corp | Vehicle drive control device |
WO2009025049A1 (en) | 2007-08-22 | 2009-02-26 | Mitsubishi Electric Corporation | Controller for ac electric train |
US8803356B2 (en) | 2007-08-22 | 2014-08-12 | Mitsubishi Electric Corporation | Controller for AC electric train |
WO2017037795A1 (en) * | 2015-08-28 | 2017-03-09 | 株式会社東芝 | Railway vehicle, and vehicle power conversion apparatus and method |
JPWO2017037795A1 (en) * | 2015-08-28 | 2018-03-08 | 株式会社東芝 | RAILWAY VEHICLE, VEHICLE POWER CONVERSION DEVICE AND METHOD |
Also Published As
Publication number | Publication date |
---|---|
JP2548738B2 (en) | 1996-10-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2165101A1 (en) | Power Converter Protecting Apparatus for Electric Power System | |
JPS5534854A (en) | Controlling method of secondary winding-exciting motor | |
JPS6460206A (en) | Service interruption detecting controller for ac electric rolling stock | |
JPS56107793A (en) | Controlling method of inverter | |
CA2022375A1 (en) | Ac-excited rotary electric machine system | |
JPS573117A (en) | Output control system for induction generator | |
JPS5656182A (en) | Drive unit for motor | |
JPS57110098A (en) | Synchronization switching system for inverter | |
JPS576590A (en) | Controller for alternating current motor | |
JPS56112881A (en) | Controlling device for frequency converter | |
JPH0750962B2 (en) | AC electric vehicle control device | |
JPS57145502A (en) | Regenerative brake controlling device of electric motor vehicle | |
JPS57170072A (en) | Control method of multiplex invertor | |
ES8203176A1 (en) | Control system for AC induction motors | |
SU828363A1 (en) | Inverter control device | |
JPS57162979A (en) | Speed controller for motor | |
JPS57122694A (en) | Speed controller for step motor | |
JPS5479419A (en) | Lost power source detecting device | |
JPS56145791A (en) | Controller for shunt motor | |
JPS5780285A (en) | Controller for induction motor type electric vehicle | |
JPS6464503A (en) | Artificial main circuit, artificial motor circuit for vvvf vehicle controller checker | |
JPS56148192A (en) | Control of frequency converter | |
JPS56107709A (en) | Control system for ac electric vehicle | |
JPS56159990A (en) | Control circuit for driving of ac motor | |
JPS5785598A (en) | Power source accident remedy type scherbius device |