JPH10257601A - Electric rolling stock vehicle-type mobile substation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To supply necessary and sufficient electric power to a feeder even when a power failure is generated by a method, wherein a mobile substation is moved through its own efforts up to a power-failure section, a generator and a substation part are operated by a motive-force source after the substation has reached a spot and the electric power is supplied to a feeder. SOLUTION: A mobile substation 1 is composed of a power-supply part vehicle P and of a substation-part vehicle T. The power-supply part vehicle P is provided with a generator 7, which supplies electric power to the substation-part vehicle T and with a diesel engine 9 by which the mobile substation 1 is moved through its own efforts and which drives the generator 7. In addition, the substation-part vehicle T is provided with a transformer 11 and a breaker 13, for power reception, which is installed across the generator 7 and the transformer 11, with a pantograph 15 by which transformed electric power is supplied to a feeder 107 and with a breaker 17 for power transmission, which is installed across the transformer 11 and the pantograph 15. Then, the mobile substation 1 is moved up to a power-failure section by using the diesel engine 9. After the mobile substation 1 has reached a spot, the generator 7 is driven by the diesel engine 9, and electric power is supplied to the substation-part vehicle T. As a result, required electric power can be supplied to the feeder 107 in the power-failure section.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-type mobile substation for electric railways.

[0002]

2. Description of the Related Art FIG. 11 is a diagram showing a power system for electric railways. In the figure, each substation supplies power from a power supply 101 to a feeder line 107 via a transformer 103 and a power transmission circuit breaker 105 in order to operate a train 100. In FIG. 11, reference numerals 109 and 110 denote feeder sections and section breakers for the feeder sections, respectively.

By the way, in such an electric power system, in order to prevent a situation where a power failure occurs in any of the substations and a train existing in a power supply section in charge of the substation stops. Substations are equipped with measures for uninterruptible power, such as by using a regular-backup line.

[0004]

However, in spite of such measures for uninterruptible power supply, if a power outage occurs, the circuit breaker 110 of the feeder section 109 is closed to extend from the adjacent substation. Power supply will be performed.
In the case where the substation A and the substation B have a power outage, the capacity is not always sufficient, and the train may stop.

[0005] The present invention has been made in view of the above,
It is an object of the present invention to provide a vehicle-type mobile substation for railways, which can supply necessary and sufficient power to feeder lines even when a power outage occurs in a substation.

[0006]

In order to achieve the above object, the present invention according to claim 1 provides a power source for self-propelled traveling, a generator using the power source as a drive source, and a power generator using the power source. The gist of the present invention is to include a substation that transforms by receiving generated power, and a power supply unit that supplies electric power transformed by the substation to a feeder line.

According to the first aspect of the present invention, the vehicle travels to the blackout section by itself, and after arriving at the site, the generator and the substation are operated by the power source for self-traveling to supply power to the electric wires. By doing so, the temporary construction of substations is substantially accelerated, and the traveling of the train in the blackout section is secured.

According to a second aspect of the present invention, there is provided a power source for self-traveling, a generator using the power source as a driving source, a power supply lead-in means for receiving electric power from outside, and the power generator. The present invention has a substation that transforms by receiving power from a power draw-in unit and / or a power supply unit that supplies power transformed by the substation to a feeder line.

According to the second aspect of the present invention, the vehicle travels to the power outage section on its own, and after arriving at the site, power from a generator and / or an external power source driven by a power source for self-traveling. By operating the substation and supplying power to the electric wires, the temporary construction of the substation is substantially speeded up and the traveling of the train in the blackout section is secured.

Further, the present invention according to claim 3 provides a power source for self-propelled traveling, a generator using the power source as a driving source, and a substation unit that receives and generates electric power by the generator. The gist of the present invention is to include power supply means for supplying power transformed by the substation to the feeder line and regenerative power absorption means for absorbing regenerative power obtained from the feeder line via the power supply means.

According to the third aspect of the present invention, energy is absorbed by regenerative power returned by regenerative braking or the like from a train in a power outage section in which power is supplied to the feeder line and traveling is secured. Contribute to the improvement of

According to a fourth aspect of the present invention, there is provided a power source, a generator using the power source as a drive source, an electric motor for receiving electric power generated by the generator to move a vehicle, and the power generator. The gist of the present invention is to include a substation that transforms by receiving generated power, and a power supply unit that supplies electric power transformed by the substation to a feeder line.

According to the fourth aspect of the present invention, the vehicle is moved to the blackout section by a motor driven by power supply from the generator, and after arriving at the site, the substation is operated by the power from the generator. By supplying power to the power lines, the temporary construction of substations has been substantially accelerated, and the running of trains in the blackout section has been secured.

The present invention according to claim 5 provides the invention according to claims 1 to 4
In the invention described in any one of the above, the gist is that the power source is a diesel engine.

According to the fifth aspect of the invention, it is possible to ensure independent traveling even when a power outage occurs in the substation, and to use a diesel vehicle currently used.

The present invention according to claim 6 provides the invention according to claims 1 to 4.
In the invention described in any one of the above, the gist is that the power supply means is a pantograph.

According to the sixth aspect of the present invention, by using a pantograph to supply power to the feeder line, it is possible to use the current train car.

According to a seventh aspect of the present invention, in the sixth aspect, the power supply means has a power supply output terminal for supplying power to a separate feeder line from the pantograph. .

According to the seventh aspect of the present invention, power can be supplied to the feeder through a different path from the pantograph.

[0020]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing an example of an electric power system for railways to which the present invention is applied. As a feature, a diesel-electric locomotive-type mobile substation (hereinafter simply referred to as a “mobile substation”) 1 having a self-driving ability is provided, and when a power outage occurs at any of the substations, That is, the substation moves to a power supply section in charge of the substation and supplies power to the electric wire 107. In FIG. 1, FIG.
The same components are denoted by the same reference numerals.

FIG. 2 is a diagram showing the configuration of the mobile substation 1. As shown in FIG. The mobile substation 1 includes a power supply unit vehicle P and a substation unit vehicle T.
It is a two-car train. The power supply unit vehicle P includes a generator 7 that supplies power to the substation unit vehicle T, and a diesel engine 9 that drives the generator 7 while moving the mobile substation 1 by itself.
It is a structure provided with. The substation vehicle T includes a transformer 11
, A power receiving circuit breaker 13 provided between the generator 7 and the transformer 11, and an electric power line 10 for transmitting the power transformed by the transformer 11.
7, and a power transmission circuit breaker 17 provided between the transformer 11 and the pantograph 15.

Therefore, in the present embodiment, the vehicle is moved to the blackout section by the diesel engine 9, and after arriving at the site, the generator 7 is driven by the diesel engine 9 to supply power to the substation vehicle T. ,
The required power can be supplied to the feeder line 107 in the power outage section immediately after the power outage of the substation occurs.

In this embodiment, the feeder 1
Although the description has been made on the assumption that AC power is supplied to AC power, it is needless to say that DC power may be used.
Is a diagram showing an example of the configuration. That is, a rectifier 19 is provided at the output of the transformer 11 in the substation vehicle T, and a DC power receiving circuit breaker 21 and a power transmitting circuit breaker 23 are provided.
It is a structure provided with.

In the present embodiment, the power source for independent running of the mobile substation 1 is a diesel engine 9.
However, the present invention is not limited to this, and it is sufficient that the vehicle can travel independently without power supply from the feeder wire 107. FIG.
Shows an example of a configuration in which the mobile substation 1 runs independently by a motor 25 driven by power supply from the generator 7. Here, in FIG. 4, 27 is an inverter.

FIG. 5 is a diagram showing another embodiment of the present invention. The feature is that a power supply lead-in terminal 29 for receiving power supply from the outside is provided in the power supply unit vehicle P, and power can be supplied not only from the generator 7 but also from an external power supply to the substation vehicle T. . In FIG. 5, reference numeral 31 denotes a power receiving circuit breaker.

Therefore, according to the present embodiment, FIG.
As in the embodiment shown in FIG. 1, in addition to being able to supply necessary power to the feeder line 107 in the blackout section immediately after the occurrence of a blackout in the substation, the conventional
It is possible to take measures for switching a protection line or the like.

In this embodiment, the feeder 1
The power supplied to 07 has been described assuming AC power, but it is needless to say that DC power may be used, and FIG. 6 shows a configuration example in that case.

FIG. 7 is a diagram showing another embodiment of the present invention. The feature is that a power supply output terminal 33 for supplying power to the electric wire 107 can be provided on the substation vehicle T through a path different from that of the pantograph 15.

Therefore, according to the present embodiment, FIG.
Similar to the embodiment shown in FIG. 1, immediately after the occurrence of a power outage at the substation, in addition to being able to supply necessary power to the feeder line 107 in the power outage section, a cable is connected to the power supply output terminal 33, Power can be separately supplied to the feeder wire via this cable.

In this embodiment, the feeder 1
Although the description has been made assuming that AC power is supplied to AC power, it is needless to say that DC power may be used, and FIG. 8 shows a configuration example in that case.

FIG. 9 is a diagram showing still another embodiment of the present invention. As a feature, a regenerative power absorbing device 37 that absorbs regenerative power generated by regenerative braking or the like in the train 100 and returned via the feeder line 107 while feeding the feeder line 107 from the substation vehicle T via the pantograph 15 is provided. It is provided in the substation vehicle T.

Therefore, according to the present embodiment, FIG.
In the same manner as the embodiment shown in (1), the required power can be supplied to the feeder line 107 in the power failure section immediately after the occurrence of the power failure in the substation, and the power consumption efficiency can be improved.

In this embodiment, the feeder 1
Although the description has been made assuming that the AC power is supplied to the AC power, it is needless to say that the DC power may be used, and FIG. 10 shows a configuration example in that case.

By the way, in the above embodiment,
Although the mobile substation 1 has been described as a two-car train of the power supply unit vehicle P and the substation vehicle T, it may be a single-car train or three or more trains.

[0036]

As described above, according to the first aspect of the present invention, the vehicle is moved to the blackout section by itself, and after arriving at the site, the generator and the substation are driven by the power source for self-traveling. Since the electric power is supplied to the operated electric wires, the temporary construction of the substation can be substantially speeded up, and the traveling of the train in the blackout section can be ensured. In addition, even when a modification is required in the substation, the work can be performed without being restricted by the work time.

According to the second aspect of the present invention, the vehicle travels to the blackout section by itself, and after arriving at the site, is powered by a generator and / or an external power supply driven by a power source for self-traveling. By operating the substation, sufficient power can be quickly supplied to the feeder line even when a power outage occurs in the substation, so that traveling of the train in the power outage section can be ensured.

According to the third aspect of the present invention, energy is absorbed by absorbing regenerative power returned by regenerative braking or the like from a train in a power outage section where power is supplied to the feeder line and traveling is secured. Can be improved.

According to the fourth aspect of the invention, the vehicle is moved to the blackout section by the electric motor driven by the power supply from the generator, and after arriving at the site, the substation is operated by the electric power from the generator. In the event of a power outage at a substation, sufficient power can be quickly supplied to the feeder line, and the traveling of the train in the power outage section can be ensured.

[Brief description of the drawings]

FIG. 1 is a diagram showing an electric power system for railways to which the present invention is applied.

FIG. 2 is a diagram showing an embodiment of the present invention.

FIG. 3 is a diagram showing a modification of FIG. 2;

FIG. 4 is a diagram showing a modification of FIG. 2;

FIG. 5 is a diagram showing another embodiment of the present invention.

FIG. 6 is a diagram showing a modification of FIG. 5;

FIG. 7 is a diagram showing still another embodiment of the present invention.

FIG. 8 is a diagram showing a modification of FIG. 7;

FIG. 9 is a diagram showing still another embodiment of the present invention.

FIG. 10 is a diagram showing a modification of FIG. 9;

FIG. 11 is a diagram showing a conventional configuration.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Diesel locomotive type mobile substation 7 Generator 9 Diesel engine 11,103 Transformer 13,21,31 Power receiving circuit breaker 15 Pantograph 17,23,105 Power transmitting circuit breaker 19 Rectifier 25 Motor 27 Inverter 29 Power supply Terminal 33 Power supply output terminal 37 Regenerative power absorber 100 Train 101 Power supply 107 Feeder line 109 Feeder section P Power supply vehicle T Substation vehicle

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Haruo Suzuki 1-1-1, Shibaura, Minato-ku, Tokyo Inside the Toshiba head office

Claims (7)

[Claims] 1. A power source for self-traveling, a generator using the power source as a drive source, a substation that transforms by receiving electric power generated by the generator, and an electric power that is transformed by the substation. A vehicle-type mobile substation for railways, comprising: power supply means for supplying feeder lines; 2. A power source for self-propelled driving, a generator using the power source as a drive source, power supply means for receiving electric power from outside, and electric power from the generator and / or power supply means. A vehicle-type mobile substation for railways, comprising: a substation that receives and transforms electricity; and a power supply unit that supplies power transformed by the substation to a feeder line. 3. A power source for self-propelled driving, a generator using the power source as a drive source, a substation that transforms by receiving power generated by the generator, and an electric power that is transformed by the substation. A vehicle-type mobile substation for electric railways, comprising: a power supply unit that supplies power to a feeder line; and a regenerative power absorption unit that absorbs regenerative power obtained from the feeder line via the power supply unit. 4. A power source, a generator using the power source as a drive source, a motor for moving a vehicle by receiving the power generated by the generator, and a substation receiving and transforming the power generated by the generator. And a power supply means for supplying power transformed by the substation to the feeder line, and a vehicle-type mobile substation for electric railways. 5. The mobile substation according to claim 1, wherein the power source is a diesel engine. 6. The mobile substation according to claim 1, wherein the power supply unit is a pantograph. 7. The electric railway vehicle-type mobile substation according to claim 6, wherein the power supply means has a power supply output terminal for supplying power to a feeder line different from the pantograph.