CN103935246A - Auxiliary power supply system for motor train unit and fault load reducing method - Google Patents
Auxiliary power supply system for motor train unit and fault load reducing method Download PDFInfo
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- CN103935246A CN103935246A CN201410072582.4A CN201410072582A CN103935246A CN 103935246 A CN103935246 A CN 103935246A CN 201410072582 A CN201410072582 A CN 201410072582A CN 103935246 A CN103935246 A CN 103935246A
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Abstract
The invention relates to an auxiliary power supply system for a motor train unit and a power supply method and a load reducing method of the auxiliary power supply system. The auxiliary power supply system for the motor train unit comprises auxiliary current transformers, a bus I, a bus II, bus connectors, a contactor box, medium-voltage loads and a low-voltage power supply system. The bus I and the bus II penetrate through the whole auxiliary motor train unit through the bus connectors on the two sides of carriages. The auxiliary current transformers and the medium-voltage loads are connected with the bus I or the bus II alternately according to the parity number of the motor train unit carriages. Part of the medium-voltage loads of the motor train unit operate in a load reducing mode or are directly disconnected when the auxiliary current transformers break down. The auxiliary power supply system operates in a parallel connection mode through the buses penetrating through the whole auxiliary motor train unit, the relative concentration and flexible arrangement eliminating mode of the motor train unit is achieved, the requirement for the redundancy of each set of auxiliary current exchanging system is low, the economic cost is greatly reduced, the power supply of the whole train unit is stable and reliable, and the passenger comfort level and the running safety coefficient of the motor train unit are guaranteed.
Description
Technical field
The present invention relates to a kind of motor train unit auxiliary power supply system, specifically, relate to a kind of EMU auxiliary power supply system and power supply mode thereof and off-load method.
Background technology
Auxiliary power supply system is one of important composition of rolling stock, plays the effect into permutation passenger vehicle mesolow load supplying, and load is comprising illumination, air-conditioning, heating, TV etc.
Auxiliary power supply system is mainly made up of AuCT, battery charger and storage battery.AuCT play by high voltage direct current change into three-phase AC380V/50Hz be middle pressure load supplying function; Battery charger is as being that DC110V is the important step of low-voltage load power supply by three-phase AC380V/50Hz inversion; Storage battery in case of emergency plays the effect into passenger's the low-voltage load such as emergency lighting, ventilation power supply.
Mainly containing at present Japanese motor train unit and Europe is that motor train unit are two large auxiliary power supply systems of representative:
The powering mode of the ancillary system of Japanese motor train unit is that auxiliary winding of main traction transformer extraction is pressed net to change to interchange 400V, through pulse rectifier rectification to intermediate dc, the three plase alternating current that is reverse into again controlled 400VAC/50Hz is provided on accessory feed bus, the advantage of this powering mode is that circuit structure form is simple, reliability is higher, shortcoming is for when by phase-separating section, and whole auxiliary power supply system is in electroless state; Europe is the traction transformer auxiliary power supply winding power supply that the powering mode of the ancillary system of motor train unit is each traction unit, after four quadrant convertor output intermediate dc, being reverse into controlled three plase alternating current is provided on accessory feed bus again, when by phase-separating section, whole auxiliary power supply system can be realized by regenerative brake the uninterrupted power supply of ancillary system, the advantage of this powering mode is to realize whole auxiliary power supply system uninterrupted power supply, and shortcoming is that four quadrant convertor and auxiliary power supply system equipment dependability are had relatively high expectations.
The present develop rapidly along with railway technology, freely organizing into groups of train will become following development tendency, original auxiliary power supply system cannot change its power supply mode neatly because of freely organizing into groups of train, in redundancy for whole auxiliary power supply system, if one of them auxiliary power supply system fault, redundancy to adjacent auxiliary power supply system is had relatively high expectations, and the economic cost causing is also relatively high.
Summary of the invention
The object of the invention is to overcome the shortcoming that prior art exists, seek to design and a kind ofly can meet motor train unit and relatively concentrate and separate flexibly the safe and reliable auxiliary power supply system of volume pattern, reduce the redundancy requirement of each group auxiliary power supply system, ensure under the harmonious prerequisite of power supply in maximum, load is normally moved, in the time of auxiliary power supply system fault, carry out corresponding off-load according to the importance of load, ensure to greatest extent passenger demand, when improving whole system stability, reduce economic cost.
To achieve these goals, the technical solution used in the present invention is: a kind of motor train unit auxiliary power supply system, comprise AuCT, I road bus, II road bus, bus tie, contactless box, middle pressure load and low-voltage power supply system, described bus tie is arranged on the left and right sides of motor train unit carriage junction, and bus HeII road, described I road bus runs through full row by the bus tie of both sides, compartment; Described AuCT is pressed motor train unit carriage odevity and is alternately connected with bus HuoII road, I road bus, and described middle pressure load is pressed motor train unit carriage odevity and is alternately connected with bus HuoII road, I road bus; Battery charger in described low-voltage power supply system is pressed motor train unit carriage odevity and is alternately connected with bus HuoII road, I road bus; In described contactless box, be provided with and control the input switch of AuCT and the select switch of control load, described AuCT comprises end car AuCT and motor-car AuCT.
Described middle pressure load comprises guest room air-conditioning, operator's compartment air-conditioning, 2 main air compressor, the ancillary system of main transformer, traction convertor cooling blower, water pump, AuCT cooling unit, the battery charger of low-voltage power supply system, main transformer cooling blower, oil pump, cooking utensils, water system heating, sand pipe heating, hitch heating, AC socket.
Described low-voltage power supply system comprises battery charger, battery pack, DC bus adaptor union, direct current I road, direct current II road and low-voltage load, battery pack is connected with battery charger, full row are run through by DC bus adaptor union in direct current I road and direct current II road, direct current I road is connected with important low-voltage load, and direct current II road is connected with pressure common load.
In described motor train unit auxiliary power supply system, when AuCT et out of order, change the select switch of control load in contactless box, in motor train unit part, press the operation of load off-load or directly disconnect.An end car AuCT et out of order in described motor train unit auxiliary power supply system, the select switch of control load in change contactless box, all loads of motor train unit normally move; A motor-car AuCT fault or two end car AuCTs et out of order simultaneously in described motor train unit auxiliary power supply system, the select switch of control load in change contactless box, motor train unit all guest rooms air-conditioning and the operation of operator's compartment air-conditioning off-load; An end car AuCT and a motor-car AuCT et out of order in described motor train unit auxiliary power supply system, two motor-car AuCT et out of orders, and a motor-car AuCT and two end car AuCTs et out of order simultaneously, change the select switch of control load in contactless box, the all air-conditionings of motor train unit are in pattern semi-load, AC socket, cooking utensils, water system heating simultaneously all disconnects, and only allows a main air compressor job; In described motor train unit auxiliary power supply system, there is the AuCT fault except above-mentioned AuCT fault type, change the select switch of control load in contactless box, except the normal work of battery charger of low-voltage power supply system, in other, press load all to disconnect.
In described motor train unit auxiliary power supply system, when 1 battery charger et out of order, all low-voltage loads of motor train unit normally move; When 2 battery charger et out of orders, when the full electricity of battery pack, all low-voltage loads of motor train unit normally move, when battery pack underfill electricity, and pressure common load off-load; When more than 3 battery charger et out of order, only ensure important low-voltage load operation; In the time that power-off or the whole fault of battery charger appear in contact system, battery pack will continue the low-voltage load power supply to car load in 2 hours, and battery pack was according to 5 minutes, and 25 minutes, within 90 minutes, three time phases were powered to different loads respectively.
Beneficial effect of the present invention is: relatively concentrate and separate flexibly for motor train unit the pattern of compiling, auxiliary power supply system moves with parallel way by the bus that runs through full row, when an AuCT fault, to be powered for its load balancing by all the other AuCTs of permutation car, redundancy requirement for each group auxiliary converter system is lower, its economic cost also can significantly reduce, and the stability of whole system is also significantly improved; In the time of many AuCT faults, by calculated load capacity, in the time that auxiliary power supply system can not meet the need for electricity of motor train unit, concrete off-load scheme is provided, make the optimization of powering, car load power supply is reliable and stable, ensures to the full extent degree of passenger comfort and motor train unit operating safety factor, accomplishes to greatest extent load balancing type simultaneously.
Brief description of the drawings
Fig. 1 is the principle schematic that the present invention 16 organizes into groups motor train unit auxiliary power supply system;
Table 1 is organized into groups motor train unit auxiliary power supply system medium-pressure electricity supply mode and load distribution for the present invention 16;
Fig. 2 is the principle schematic that the present invention 10 organizes into groups motor train unit auxiliary power supply system;
Table 2 is organized into groups motor train unit auxiliary power supply system medium-pressure electricity supply mode and load distribution for the present invention 10;
Fig. 3 is the principle schematic of motor train unit auxiliary power supply system low-voltage power supply system of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is specifically described:
Embodiment 1
As shown in Figure 1, the present embodiment is a kind of 16 marshalling motor train unit, and wherein Mc car is end car, and M car is motor-car, and T car is trailer, by network positioning system, motor train unit carriage is numbered to 1-16 car.
As shown in table 1, in 16 marshalling motor train unit auxiliary power supply systems, press load to be alternately connected with bus HuoII road, I road bus by motor train unit carriage odevity.
Table 1 16 marshalling motor train unit auxiliary power supply system medium-pressure electricity supply mode and load distribution
As shown in Figure 3,15KW battery charger is the one of the middle pressure load of motor train unit in Fig. 1.
16 marshalling motor train unit auxiliary power supply systems, comprise AuCT, I road bus, II road bus, bus tie, contactless box, AC load and low-voltage power supply system, bus tie is arranged on the left and right sides of motor train unit carriage junction, bus HeII road, I road bus runs through full row by the bus tie of both sides, compartment, and the middle pressure load of the AuCT of 1Mc car, 3M car, 13M car, 15M car and 1Mc car, 3M car, 5T car, 7T car, 9T car, 11T car, 13M car, 15M car is connected with I road bus; The middle pressure load YuII road bus of the AuCT of 2M car, 4M car, 14M car, 16Mc car and 2M car, 4M car, 6T car, 8T car, 10T car, 12T car, 14M car, 16Mc car is connected, and the battery charger in low-voltage power supply system is connected with bus HuoII road, I road bus according to the odevity of place motor train unit carriage.
In contactless box, be provided with and control the input switch of AuCT and the select switch of control load, AuCT comprises end car AuCT and motor-car AuCT.
AC load comprises guest room air-conditioning, operator's compartment air-conditioning, 2 main air compressor, the ancillary system of main transformer, traction convertor cooling blower, water pump, AuCT cooling unit, the battery charger of low-voltage power supply system, main transformer cooling blower, oil pump, cooking utensils, water system heating, sand pipe heating, hitch heating, AC socket.
Low-voltage power supply system comprises battery charger, battery pack, DC bus adaptor union, direct current I road, direct current II road and low-voltage load, battery pack is connected with battery charger, direct current I road is connected with important low-voltage load, direct current II road is connected with pressure common load, and full row are run through by DC bus adaptor union in direct current I road and direct current II road.Important low-voltage load comprises Central Processing Unit (CPU) control, traction system control, auxiliary control system, control housing control, air-conditioner control system, passenger information system control, emergency lighting, car door control, brak control unit, train control system, passenger information system telltale, kitchen control, fire alarm, the telltale of operator's compartment, pantograph/main switch/control; Pressure common load comprises: illumination, passenger information system, chaufeur/bus attendant MMI, train radio communication, brake anti-skidding protection, urgent taillight signal.
An end car AuCT et out of order in 16 marshalling motor train unit auxiliary power supply systems, the select switch of control load in change contactless box, all loads of motor train unit normally move; A motor-car AuCT or two end car AuCT et out of orders in motor train unit auxiliary power supply system, the select switch of control load in change contactless box, motor train unit all guest rooms air-conditioning and the operation of operator's compartment air-conditioning off-load; An end car AuCT and a motor-car AuCT et out of order in motor train unit auxiliary power supply system, two motor-car AuCT et out of orders, and a motor-car AuCT and two end car AuCTs et out of order simultaneously, change the select switch of control load in contactless box, the all air-conditionings of motor train unit are in pattern semi-load, AC socket, cooking utensils, water system heating simultaneously all disconnects, and only allows a main air compressor job; In motor train unit auxiliary power supply system, there is the AuCT fault except above-mentioned AuCT fault type, change the select switch of control load in contactless box, except the normal work of battery charger of low-voltage power supply system, in other, press load all to disconnect.
In 16 marshalling motor train unit auxiliary power supply systems, when 1 battery charger et out of order, all low-voltage loads of motor train unit normally move; When 2 battery charger et out of orders, when the full electricity of battery pack, all low-voltage loads of motor train unit normally move, when battery pack underfill electricity, and pressure common load off-load; When 3 to 15 battery charger et out of orders, only ensure important low-voltage load operation; In the time that power-off or the whole fault of battery charger appear in contact system, battery pack will continue the low-voltage load power supply to car load in 2 hours, and battery pack was according to 5 minutes, and 25 minutes, within 90 minutes, three time phases were powered to different loads respectively.
16 marshalling motor train unit are under accidental conditions, and AuCT, by the power taking of four quadrant convertor intermediate dc link, becomes three-phase AC380V/50Hz by high direct voltage.When the undue phase time of car load, the traction convertor middle dc voltage of regenerating is reverse into three-phase AC380V/50Hz by AuCT, form two three-phase alternating current buses through two-way output contactor, it is bus HeII road, I road bus, realize uninterruptedly to car load three-phase alternating current bussed supply, motor train unit carriage is divided into two groups by odevity after network positions, the AuCT in odd number compartment only supplies I road bus, the AuCT Jin Gong II road bus in even number compartment, middle pressure load is alternately hung to the bus of bus HuoII road, I road, according to train marshalling list odd even number, by the closed situation of select switch in contactless box on networked control system of the train car.
In order to suppress threephase load overbalance, adopt three-phase four-wire system, wherein three-phase alternating current bus parallel operation, respectively form three road single phase alternating current power supplies with N line is this car single-phase load balanced power supply simultaneously.
It is external for plug that 16 marshalling motor train unit 5-12 joint trailers are equipped with two-way, in the time of train warehouse-in servicing work, under rising bow operating mode not, can utilize ground power supply external plug to be respectively bus HeII road, I road bussed supply.
Embodiment 2
As shown in Figure 2, the present embodiment is a kind of 10 marshalling motor train unit, and wherein Mc car is end car, and M car is motor-car, and T car is trailer, by network positioning system, motor train unit carriage is numbered to 1-10 car.
As shown in table 2, in 10 marshalling motor train unit auxiliary power supply systems, press load to be alternately connected with bus HuoII road, I road bus by motor train unit carriage odevity.
Table 2 10 marshalling motor train unit auxiliary power supply system medium-pressure electricity supply mode and load distribution
10 marshalling motor train unit auxiliary power supply systems, comprise AuCT, I road bus, II road bus, bus tie, contactless box, AC load and low-voltage power supply system, bus tie is arranged on the left and right sides of motor train unit carriage junction, bus HeII road, I road bus runs through full row by the bus tie of both sides, compartment, and the middle pressure load of the AuCT of 1Mc car, 3M car, 9M car and 1Mc car, 3M car, 5T car, 7T car, 9M car is connected with I road bus; The middle pressure load YuII road bus of the AuCT of 2M car, 8M car, 10Mc car and 2M car, 4T car, 6T car, 8M car, 10Mc car is connected, and the battery charger in low-voltage power supply system is connected with bus HuoII road, I road bus according to the odevity of place motor train unit carriage.
In contactless box, be provided with and control the input switch of AuCT and the select switch of control load.
AC load comprises ancillary system, traction convertor cooling blower, water pump, AuCT cooling unit, the battery charger of low-voltage power supply system, main transformer cooling blower, oil pump, cooking utensils, water system heating, sand pipe heating, hitch heating, the AC socket of guest room air-conditioning, operator's compartment air-conditioning, main air compressor, main transformer.
Low-voltage power supply system comprises battery charger, battery pack, DC bus adaptor union, direct current I road, direct current II road and low-voltage load, battery pack is connected with battery charger, direct current I road is connected with important low-voltage load, direct current II road is connected with pressure common load, and full row are run through by DC bus adaptor union in direct current I road and direct current II road.Important low-voltage load comprises Central Processing Unit (CPU) control, traction system control, auxiliary control system, control housing control, air-conditioner control system, passenger information system control, emergency lighting, car door control, brak control unit, train control system, passenger information system telltale, kitchen control, fire alarm, the telltale of operator's compartment, pantograph/main switch/control; Pressure common load comprises: illumination, passenger information system, chaufeur/bus attendant MMI, train radio communication, brake anti-skidding protection, urgent taillight signal.
AuCT comprises end car AuCT and motor-car AuCT.
An end car AuCT et out of order in 10 marshalling motor train unit auxiliary power supply systems, the select switch of control load in change contactless box, all loads of motor train unit normally move; A motor-car AuCT or two end car AuCT et out of orders in motor train unit auxiliary power supply system, the select switch of control load in change contactless box, motor train unit all guest rooms air-conditioning and the operation of operator's compartment air-conditioning off-load; An end car AuCT and a motor-car AuCT et out of order in motor train unit auxiliary power supply system, two motor-car AuCT et out of orders, and a motor-car AuCT and two end car AuCTs et out of order simultaneously, change the select switch of control load in contactless box, the all air-conditionings of motor train unit are in pattern semi-load, AC socket, cooking utensils, water system heating simultaneously all disconnects, and only allows a main air compressor job; In motor train unit auxiliary power supply system, there is the AuCT fault except above-mentioned AuCT fault type, change the select switch of control load in contactless box, except the normal work of battery charger of low-voltage power supply system, in other, press load all to disconnect.
In 10 marshalling motor train unit auxiliary power supply systems, when 1 battery charger et out of order, all low-voltage loads of motor train unit normally move; When 2 battery charger et out of orders, when the full electricity of battery pack, all low-voltage loads of motor train unit normally move, when battery pack underfill electricity, and pressure common load off-load; When 3 to 9 battery charger et out of orders, only ensure important low-voltage load operation; In the time that power-off or the whole fault of battery charger appear in contact system, battery pack will continue the low-voltage load power supply to car load in 2 hours, and battery pack was according to 5 minutes, and 25 minutes, within 90 minutes, three time phases were powered to different loads respectively.
10 marshalling motor train unit are under accidental conditions, and AuCT, by the power taking of four quadrant convertor intermediate dc link, becomes three-phase AC380V/50Hz by high direct voltage.When the undue phase time of car load, the traction convertor middle dc voltage of regenerating is reverse into three-phase AC380V/50Hz by AuCT, form two three-phase alternating current buses through two-way output contactor, it is bus HeII road, I road bus, realize uninterruptedly to car load three-phase alternating current bussed supply, motor train unit carriage is divided into two groups by odevity after network positions, the AuCT in odd number compartment only supplies I road bus, the AuCT Jin Gong II road bus in even number compartment, middle pressure load is alternately hung to the bus of bus HuoII road, I road, according to train marshalling list odd even number, by the closed situation of select switch in contactless box on networked control system of the train car.
In order to suppress threephase load overbalance, adopt three-phase four-wire system, wherein three-phase alternating current bus parallel operation, respectively form three road single phase alternating current power supplies with N line is this car single-phase load balanced power supply simultaneously.
It is external for plug that 10 marshalling motor-car 4-7 joint trailers are equipped with two-way, in the time of train warehouse-in servicing work, under rising bow operating mode not, can utilize ground power supply external plug to be respectively bus HeII road, I road bussed supply.
Claims (4)
1. a motor train unit auxiliary power supply system, it is characterized in that: comprise AuCT, I road bus, II road bus, bus tie, contactless box, middle pressure load and low-voltage power supply system, described bus tie is arranged on the left and right sides of motor train unit carriage junction; Bus HeII road, described I road bus runs through full row by the bus tie of both sides, compartment; Described AuCT is pressed motor train unit carriage odevity and is alternately connected with bus HuoII road, I road bus; Described middle pressure load is pressed motor train unit carriage odevity and is alternately connected with bus HuoII road, I road bus; Battery charger in described low-voltage power supply system is pressed motor train unit carriage odevity and is alternately connected with bus HuoII road, I road bus; In described contactless box, be provided with and control the input switch of AuCT and the select switch of control load, described AuCT comprises end car AuCT and motor-car AuCT.
2. motor train unit auxiliary power supply system according to claim 1, is characterized in that: described middle pressure load comprises guest room air-conditioning, operator's compartment air-conditioning, 2 main air compressor, the ancillary system of main transformer, traction convertor cooling blower, water pump, AuCT cooling unit, main transformer cooling blower, oil pump, cooking utensils, water system heating, sand pipe heating, hitch heating, AC socket.
3. motor train unit auxiliary power supply system according to claim 1, it is characterized in that: described low-voltage power supply system comprises battery charger, battery pack, DC bus adaptor union, direct current I road, direct current II road and low-voltage load, battery pack is connected with battery charger, and full row are run through by DC bus adaptor union in direct current I road and direct current II road.
4. the fault off-load method for motor train unit auxiliary power supply system described in claim 1, it is characterized in that: an end car AuCT et out of order in described motor train unit auxiliary power supply system, the select switch that changes control load in contactless box, all loads of motor train unit normally move; A motor-car AuCT et out of order in described motor train unit auxiliary power supply system, two end car AuCTs et out of order simultaneously, an end car AuCT and a motor-car AuCT et out of order, two motor-car AuCT et out of orders, a motor-car AuCT and two end car AuCTs et out of order simultaneously, change the select switch of control load in contactless box, in motor train unit part, press the operation of load off-load or directly disconnect.
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| CN109823179A (en) * | 2019-01-22 | 2019-05-31 | 中车长春轨道客车股份有限公司 | The method for controlling power supply of EMU low-voltage load |
| CN109774478A (en) * | 2019-01-27 | 2019-05-21 | 中国铁路上海局集团有限公司上海动车段 | For the method for supplying power under CRH380BL type EMU un-wheeling repair mode |
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