KR101590721B1 - MCB control circuit of the high-speed railway vehicle - Google Patents

MCB control circuit of the high-speed railway vehicle Download PDF

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Publication number
KR101590721B1
KR101590721B1 KR1020140112220A KR20140112220A KR101590721B1 KR 101590721 B1 KR101590721 B1 KR 101590721B1 KR 1020140112220 A KR1020140112220 A KR 1020140112220A KR 20140112220 A KR20140112220 A KR 20140112220A KR 101590721 B1 KR101590721 B1 KR 101590721B1
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KR
South Korea
Prior art keywords
circuit breaker
main circuit
relay
contact
closing
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KR1020140112220A
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Korean (ko)
Inventor
김성태
문성훈
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현대로템 주식회사
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Priority to KR1020140112220A priority Critical patent/KR101590721B1/en
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Publication of KR101590721B1 publication Critical patent/KR101590721B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems

Abstract

The present invention relates to a main circuit breaker control circuit of a high speed railway vehicle and, more specifically, to a control circuit for controlling an actuation signal relay in a vehicle (switchboard) not in a main circuit breaker and forcibly blocking the relay when a system (electric) fixation is generated in the inputted state of the main circuit breaker. The main circuit breaker control circuit of a high speed railway vehicle according to an embodiment of the present invention comprises: a main circuit breaker having a power supply unit for supplying power, a signal applying unit for receiving input and cutoff signals and delivering the signals to a control unit, and the control unit for controlling input and cutoff operations by the input and cutoff signals; and multiple relays for applying the input and cutoff signals to the signal applying unit by being connected with the power supply unit. An end of a main circuit breaker cutoff relay, an end of a main circuit breaker input relay, and an end of a main circuit breaker relay are respectively connected to the power supply unit through different lines, a contact (a) of the main circuit breaker relay and a contact (b) of the main circuit breaker cutoff relay are connected to the input (close) line of the signal applying unit, a contact (b) of the main circuit breaker relay and a contact (a) of the main circuit breaker cutoff relay are connected to the cutoff (open) line of the signal applying unit, and the other end of the main circuit breaker cutoff relay is connected to the input (close) line of the signal applying unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a control circuit for a high-

The present invention relates to a main circuit breaker control circuit for a high-speed railway vehicle, and more particularly, to a control circuit for a main circuit breaker of a high-speed railway vehicle, which is capable of controlling the drive signal relay in a vehicle (switchboard) rather than a main circuit breaker, To a control circuit that can be forcibly shut off when sticking occurs.

High-speed railway vehicles are operated by supplying high-voltage electricity. The main circuit power is supplied through the pantograph → main transformer → converter → inverter → traction motor path.

In this case, the pantograph receives, for example, an AC 25kV high voltage from the line and inputs it to the main transformer. The main transformer down-converts it to a single-phase AC power source of 1,000V to 2,000V and inputs it to two converters in the MPS , The MPS converters (converter 1 and converter 2) receive the single-phase AC power, control the pulse width of these AC power sources (PWM), downconvert the voltage to a constant DC voltage,

At this time, the filter capacitor in the front of the inverter reduces the ripple (pulse rate) of the DC power supply, supplies the harmonic current to the inverter by attenuating the harmonic current, and controls the voltage and frequency of the AC power using the high voltage IGBT in the inverter, AC power is supplied to the traction motor load.

The traction motor imparts a torque and a rotation speed corresponding to the load to the axle so as to move the vehicle.

A main circuit breaker (MCB) is provided in the power supply path of the main circuit, which is capable of charging and tripping current.

This main circuit breaker is mounted on the ceiling of a high-speed railway vehicle so that it can precisely control the inputting and tripping of the current so that the high-speed railway vehicle can be operated safely.

In this way, the main circuit breaker used in high speed railway vehicles is mainly installed at the transmission and reception ends of the transmission line. It can open and close the normal current when there is no fault in the power system, It protects the system and various electric power equipment (load) by cutting off. Especially, when the fault current occurs, it automatically performs the cutoff operation and separates the line.

1 is a block diagram of a conventional system of a main circuit breaker. When a control power source and a signal are input from a vehicle, a controller 30 including a control unit 32 and power units 34a and 34b, For example, DC 100V is applied to the capacitor C for charging the capacitor C.

When the charging of the capacitor C is completed in the power units 34a and 34b, the control unit 32 confirms the charging state. When the charging / discharging signal is externally applied to the control unit 32, And the current is supplied to the manipulator 40 through the input /

Reference numeral 36 denotes a status display unit which is connected to the preparation relay RR, the signal relay SR and the relay lamp RL.

2 is a control circuit of a conventional main circuit breaker.

(R-COMBB-03) and the main circuit breaker third input relay (R-COMCB-03) are connected to the control unit 32, ).

(R-MCB-03a) and the main circuit breaker third input relay (R-COMCB-03a) are the self-maintaining contacts.

The third relay a contact (R-MCB-03a) and the contact b (R-MCB-03b) of the main circuit breaker connected to the signal application unit 38, (INb, IBa) connected thereto are interlocked with each other, and when one contact is contacted, the other contact is in contact with the contact.

In the conventional main circuit breaker control circuit, two relays (R-MCB-03 and R-COMCB-03) for applying a closing signal to the main circuit breaker are installed in the main circuit breaker control circuit. (The open coil 42 and the close coil 44 serving as the electromagnets) of the main circuit breaker 40 and the main circuit breaker MCB are continuously exposed to each other, The system can not be forcibly shut off from the outside in case of systematic (electrical) sticking in the state, so that normal traveling is impossible.

Registration No. 10-1254040 (Registration date April 08, 2013)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a driving signal relay which can be controlled by a vehicle (switchboard) rather than a main circuit breaker to prevent a temporary failure in the relay, The present invention provides a main circuit breaker control circuit for a high-speed railway vehicle, which is capable of normally shutting off when systematic (electrical) sticking occurs.

According to an aspect of the present invention, there is provided a main circuit breaker of a high-speed railway vehicle, including: a power circuit for supplying power; a signal application unit for receiving a closing signal and a closing signal; A main circuit breaker having a control section for controlling the closing and closing operation by the blocking signal; And

A plurality of relays connected to the power supply unit for applying a closing signal to the signal applying unit; , ≪ / RTI &

The main circuit breaker blocking relay, the main circuit breaker closing relay, and the main circuit breaker relay are connected to the power source unit through respective other lines,

The main circuit breaker relay a contact and the main circuit breaker breaking relay b contact are connected to the input (close) line of the signal applying unit,

The main circuit breaker relay b contact and the main circuit breaker breaking relay a contact are connected to the open line of the signal applying unit,

And the other end of the main circuit breaker blocking relay is connected to the closing (closing) line of the signal applying unit.

The main circuit breaker is mounted on the ceiling of the vehicle, and the plurality of relays are provided in the switchboard.

A main circuit breaker relay a contact and a main circuit breaker closing relay a, which are magnetic holding contacts, are connected in parallel at the other end of the main circuit breaker relay.

In addition, a main circuit breaker disconnecting switch is connected to the other end of the main circuit breaker interrupting relay so that the main circuit breaker interrupting relay can be forcibly interrupted between the closing (closing) line of the signal applying unit.

In addition, an internal contact, which interlocks with each other, is connected to the input line and the cutoff line of the signal applying unit.

In addition, the status signal of the main circuit breaker is added to the TDCS input condition and displayed in real time on the driver's display device of the cabin.

The main circuit breaker further includes a charging capacitor, and the charging and discharging operations are controlled by a power source charged in the capacitor.

According to the means for solving the above-mentioned problems, it is possible to control the drive signal relay not in the main circuit breaker but in the vehicle (switchboard), thereby preventing the occurrence of a temporary fault in the relay, If a sticking occurs, it can be forcibly shut off and run normally.

1 is a block diagram of a conventional main circuit breaker system.
2 is a control circuit of a conventional main circuit breaker.
3 is a control circuit of the main circuit breaker according to the present invention.
Fig. 4 is a diagram for explaining the closing operation of the main circuit breaker shown in Fig. 3;
Fig. 5 is a view for explaining a breaking operation of the main circuit breaker shown in Fig. 3. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

It is to be noted that the same components of the drawings are denoted by the same reference numerals and symbols as possible even if they are shown in different drawings.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Also, when a part is referred to as "including " an element, it does not exclude other elements unless specifically stated otherwise.

3 is a control circuit of the main circuit breaker according to the present invention.

As shown in FIG. 3, a configuration including a plurality of relays and switches for applying a closing / closing signal to the main circuit breaker (MCB) is located in a vehicle, that is, an ECTR, separately from the main circuit breaker (MCB).

The configuration and operation of the main circuit breaker (MCB) composed of the power source 10, the signal application unit 38, the control unit 32, the power units 34a and 34b, the capacitor C, The connection relationship and the operation of a configuration including a plurality of relays and switches located in an ECTR will be described below.

The main circuit breaker relay R-MCB-03 is connected between the power supply line L1 and the line 22B25 connected to the power supply unit 10 of the main circuit breaker MCB and the main circuit breaker relay a contact R -MCB-03a) and main circuit breaker closing relay a contact (R-COMCB-03a) are connected in series.

At this time, the main circuit breaker relay a contact point (R-MCB-03a) and the main circuit breaker relay relay a contact point (R-COMCB-03a) keep current flow once the current flows to the self-holding contact point.

Also, a main circuit breaker closing relay (R-COMCB-03) is connected to the power supply line (L1) and the line 22B63.

The main circuit breaker blocking relay (R-CNMCB-03) and the main circuit breaker blocking switch (SW-MCB-01) are connected in series to the power supply line (L1) do.

At this time, the main circuit breaker disconnect switch (SW-CNMCB-01) is normally disconnected and the main circuit breaker relay (R-MCB-03) and / or the main circuit breaker input relay (R-COMCB-03) State, the contact is attached by an external operation such as a pressing operation in order to forcibly block.

The open lines 22B72 and 22B74 of the signal applying unit 38 of the main circuit breaker MCB are connected to the internal a contact INa, the main circuit breaker relay b contact (R-MCB-03b) (R-CNMCB-03a) is connected in series and closed lines (22B71, 22B73) are connected to internal b point (INb), main circuit breaker relay a contact (R-MCB-03a) and main circuit breaker breaking relay b contact (R-CNMCB-03b) are connected in series.

At this time, the corresponding contacts of the open line and the closed line, ie, the inner a contact INa and the inner b contact INb, the main circuit breaker relay b contact R-MCB-03b and the main circuit breaker relay b contact R- MCB-03a), the main circuit breaker disconnection relay a contact (R-CNMCB-03a) and the main circuit breaker disconnection relay b contact (R-CNMCB-03b) are interlocked with each other. When one contact is contacted, The contact of the contact portion is made to fall.

In addition, by adding the main circuit breaker (MCB) status signal to the TDCS (Train Diagnostic & Control System) input condition, the status of the main circuit breaker is displayed on the operator display (MMI) . ≪ / RTI >

The TDCS acquires status information of the vehicle and records it in a display (MMI) installed in the driving desk and records it in the internal and system internal memory, thereby improving the efficiency of the driver and the checker. It is a system that automatically informs driver's quick action in case of vehicle failure.

Fig. 4 is a diagram for explaining the main circuit breaker closing operation shown in Fig. 3. Fig.

If the main circuit breaker closing relay (R-COMCB-03) is energized (see ①) when the charging capacitor (C) of the main circuit breaker (MCB) is charged, the main circuit breaker closing relay a contact (R- COMCB-03a), the main circuit breaker relay (R-MCB-03) is energized by supplying current to the power supply lines (L1 and 22B25) ) Contact (R-MCB-03a) of the main circuit breaker relay a connected in parallel to the main circuit breaker (refer to (2)).

The main circuit breaker relay a contact (R-MCB-03a) connected to the closed lines 22B71 and 22B73 is also contacted so that the internal b contact INb, the main circuit breaker relay a contact (R-MCB-03a) Circuit breaker disconnection The relay line b contacts (R-CNMCB-03b) are all contacted, so the closed line forms a closed circuit (see ③).

Therefore, a closing signal is applied to the control section 32 through the signal applying section 38. In the control section 32, a current is supplied to the power section 34b to energize the close coil 44 of the manipulating device 40, (See ④).

When forming a closed circuit in the closed line, the main circuit breaker relay contact b (R-MCB-03b) connected to the open lines (22B72, 22B74) is in contact with the circuit breaker to form a closed circuit.

5 is a view for explaining the main circuit breaker breaking operation shown in FIG.

4, when the main circuit breaker is turned on, the main circuit breaker disconnecting relay (R-CNMCB-03) is energized or the main circuit breaker disconnecting switch (SW-CNMCB-01) is forcibly operated When the main circuit breaker trip relay (R-CNMCB-03a) is forcibly excited (see ①), the main circuit breaker trip relay a contact (R-CNMCB-03a) and the internal a contact (INa ) And the main circuit breaker relay relay a contact (R-CNMCB-03a) are all in contact with each other, so that the open line forms a closed circuit (INa), the main circuit breaker relay b contact (R- (See ②).

A cutoff signal is applied to the control unit 32 through the signal applying unit 38 and the control unit 32 applies a current to the power unit 34a to excite the open coil 42 of the manipulating unit 40, (See ③).

When the closed circuit is formed in the open line, the main circuit breaker breaking relay b contact (R-CNMCB-03b) of the closed lines 22B71 and 22B73 is in contact with and can not form a closed circuit.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. In addition, it is a matter of course that various modifications and variations are possible without departing from the scope of the technical idea of the present invention by anyone having ordinary skill in the art.

10: power supply unit 32:
34a, 34b: power unit 38: signal applying unit
40: Actuator C: Capacitor
MCB: Main circuit breaker
R-CNMCB-03: Relay for main circuit breaker
R-COMCB-03: Relay for main circuit breaker
R-MCB-03: Main circuit breaker relay
SW-CNMCB-01: Main circuit breaker disconnect switch

Claims (7)

A main circuit breaker having a power supply unit for supplying power, a signal application unit for receiving a closing and closing signal and transmitting the closing and closing signal to the control unit, and a control unit for controlling the closing and closing operation by the closing and closing signal; And
A plurality of relays connected to the power supply unit for applying a closing signal to the signal applying unit; , ≪ / RTI &
Wherein the plurality of relays include a main circuit breaker trip relay, a main circuit breaker closing relay, and a main circuit breaker relay,
One end of each of the main circuit breaker trip relay, the main circuit breaker closing relay, and the main circuit breaker relay is connected to the power unit via another line,
The main circuit breaker relay a contact and the main circuit breaker breaking relay b contact are connected to the input (close) line of the signal applying unit,
The main circuit breaker relay b contact and the main circuit breaker breaking relay a contact are connected to the open line of the signal applying unit,
And the other end of the main circuit breaker interrupting relay is connected to an input (close) line of the signal applying unit. The method according to claim 1,
Wherein the main circuit breaker is mounted on a ceiling of a vehicle, and the plurality of relays are provided in an switchboard. The method according to claim 1,
The main circuit breaker control circuit of the high-speed railway vehicle in which the main circuit breaker relay a contact and the main circuit breaker closing relay a contact are connected in parallel at the other end of the main circuit breaker relay. The method according to claim 1,
The main circuit breaker control circuit of the high-speed railway vehicle to which the main circuit breaker cut-off switch is connected so as to forcibly block the other end of the main circuit breaker cut-off relay and the input (close) line of the signal applying part. The method according to claim 1,
And an internal contact interlocking with the input line and the cutoff line of the signal applying unit is connected to the main circuit breaker control circuit of the high speed railway vehicle. The method according to claim 1,
The main circuit breaker control circuit of a high-speed railway vehicle in which a status signal of the main circuit breaker is displayed in real time on a driver's display (MMI) of a cabin in addition to a TDCS (Train Diagnostic & Control System) input condition. The method according to claim 1,
Wherein the main circuit breaker further includes a charging capacitor for controlling the charging and discharging operations by a power source charged in the capacitor.
KR1020140112220A 2014-08-27 2014-08-27 MCB control circuit of the high-speed railway vehicle KR101590721B1 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180062529A (en) 2016-11-30 2018-06-11 한국철도기술연구원 a maincircuit breaker(MCB) for protecting electic device
CN109318911A (en) * 2017-12-20 2019-02-12 中车长春轨道客车股份有限公司 Shift process, system and train between a kind of train double control unit
KR20190031937A (en) * 2017-09-19 2019-03-27 한국철도기술연구원 Control system for main circuit breaker and method for controlling main circuit breaker
KR20200031190A (en) * 2018-09-13 2020-03-24 현대로템 주식회사 Remote circuit breaker control apparatus and railway behicle having the same
CN114572002A (en) * 2022-03-11 2022-06-03 中车株洲电力机车有限公司 Power supply circuit unit and system of vehicle, power-off method and vehicle
KR20220147255A (en) 2021-04-27 2022-11-03 주식회사 코하마 Emergency lever for power off of electric vehicle
KR102505581B1 (en) * 2022-08-22 2023-03-03 (주)쉴드론 MASCON with Deadman Microswitch Parallel Circuit and Status Diagnosis Method of that

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101376510B1 (en) 2013-02-28 2014-03-20 현대로템 주식회사 Train driver monitoring system and the train

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101376510B1 (en) 2013-02-28 2014-03-20 현대로템 주식회사 Train driver monitoring system and the train

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180062529A (en) 2016-11-30 2018-06-11 한국철도기술연구원 a maincircuit breaker(MCB) for protecting electic device
KR20190031937A (en) * 2017-09-19 2019-03-27 한국철도기술연구원 Control system for main circuit breaker and method for controlling main circuit breaker
KR102097419B1 (en) * 2017-09-19 2020-04-07 한국철도기술연구원 Control system for main circuit breaker and method for controlling main circuit breaker
CN109318911A (en) * 2017-12-20 2019-02-12 中车长春轨道客车股份有限公司 Shift process, system and train between a kind of train double control unit
CN109318911B (en) * 2017-12-20 2020-05-29 中车长春轨道客车股份有限公司 Method and system for alternation between train dual-control units and train
KR20200031190A (en) * 2018-09-13 2020-03-24 현대로템 주식회사 Remote circuit breaker control apparatus and railway behicle having the same
KR102162558B1 (en) * 2018-09-13 2020-10-08 현대로템 주식회사 Remote circuit breaker control apparatus and railway behicle having the same
KR20220147255A (en) 2021-04-27 2022-11-03 주식회사 코하마 Emergency lever for power off of electric vehicle
CN114572002A (en) * 2022-03-11 2022-06-03 中车株洲电力机车有限公司 Power supply circuit unit and system of vehicle, power-off method and vehicle
CN114572002B (en) * 2022-03-11 2023-10-13 中车株洲电力机车有限公司 Power supply circuit unit and system of vehicle, power-off method and vehicle
KR102505581B1 (en) * 2022-08-22 2023-03-03 (주)쉴드론 MASCON with Deadman Microswitch Parallel Circuit and Status Diagnosis Method of that

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