JPH045132U - - Google Patents
Info
- Publication number
- JPH045132U JPH045132U JP4564590U JP4564590U JPH045132U JP H045132 U JPH045132 U JP H045132U JP 4564590 U JP4564590 U JP 4564590U JP 4564590 U JP4564590 U JP 4564590U JP H045132 U JPH045132 U JP H045132U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- power
- commercial frequency
- transformer
- supply circuit
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Ac-Ac Conversion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来例を示す回路図である。
１……商用３相平衡交流電源、２……スコツト
結線変圧器、３ａ〜３ｄ，４ａ，４ｂ……しや断
器、５，５ａ，５ｂ，５ｃ……電車線、６……切
替開閉装置、７……電気車、８……レール、９…
…自励式電力変換装置、１２……受電・饋電用変
圧器。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing a conventional example. 1...Commercial 3-phase balanced AC power supply, 2...Scotto connection transformer, 3a to 3d, 4a, 4b...Shin breaker, 5, 5a, 5b, 5c...Telephone line, 6...Switching switchgear , 7... electric car, 8... rail, 9...
...Self-excited power converter, 12...Power receiving/feeding transformer.
Claims (1)
供給する商用周波数単相交流式電気鉄道の給電回
路において、３相を２相に変換する変圧器であつ
て、３相１次巻線が商用周波数３相交流電源に接
続されるとともに、一方の相の２次巻線が電車線
に接続された変圧器と、該変圧器の一方の相の２
次巻線の出力電力と同一の出力電力になるように
制御され、前記変圧器の他方の相の２次巻線から
導かれる交流電力を直流電力に変換し、該直流電
力を商用周波数単相交流電力に変換する自励式電
力変換装置とを設け、該自励式電力変換装置の単
相交流出力端を、前記電車線の前記一方の相の２
次巻線との接続点から所定距離隔てた点に接続し
たことを特徴とする商用周波数単相交流式電気鉄
道の給電回路。 In the power supply circuit of a commercial frequency single-phase AC electric railway that supplies commercial frequency single-phase AC power to electric cars under the overhead contact line, a transformer that converts three phases to two phases has a three-phase primary winding. A transformer is connected to a commercial frequency three-phase AC power source, and the secondary winding of one phase is connected to the overhead contact line, and the secondary winding of one phase of the transformer is
The output power is controlled so that the output power is the same as the output power of the next winding, and the AC power led from the secondary winding of the other phase of the transformer is converted into DC power, and the DC power is converted into a commercial frequency single-phase a self-excited power converter for converting into alternating current power, and a single-phase AC output end of the self-excited power converter is connected to
A power supply circuit for a commercial frequency single-phase AC electric railway, characterized in that the power supply circuit is connected to a point separated by a predetermined distance from a connection point with the next winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4564590U JPH045132U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4564590U JPH045132U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045132U true JPH045132U (en) | 1992-01-17 |
Family
ID=31560011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4564590U Pending JPH045132U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045132U (en) |
-
1990
- 1990-04-27 JP JP4564590U patent/JPH045132U/ja active Pending
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