Title:
INTEGRATED POWER SUPPLY AND MULTI-CHANNEL AUXILIARY TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/082442
Kind Code:
A1
Abstract:
Embodiments of the present application disclose an integrated power supply and multi-channel auxiliary transmission system, comprising a whole vehicle train power supply system and an auxiliary unit; the whole vehicle train power supply system is composed of two column supply units, power input ends of the two column supply units are mutually independent and are respectively powered from two groups of different intermediate buses of a traction converter, and output ends of the two column supply units are connected by means of a circuit breaker; the auxiliary unit is separately connected to three fans so as to supply power to the three fans; the auxiliary unit comprises a three-phase inverter, a filtering loop and a protection loop; the protection loop of the auxiliary unit is a series-parallel protection cabinet consisting of a three-phase circuit breaker; the series-parallel protection cabinet is composed of five circuit breakers; three circuit breakers among the five circuit breakers are connected in series to three fan loops, respectively; and two circuit breakers among the five circuit breakers except the three circuit breakers are connected in parallel to the three fan loops.
Inventors:
YU SENLIN (CN)
ZHAN ZHEJUN (CN)
ZHAO FANG (CN)
SU PENGCHENG (CN)
WANG TIANBO (CN)
WANG YAN (CN)
ZHAN ZHEJUN (CN)
ZHAO FANG (CN)
SU PENGCHENG (CN)
WANG TIANBO (CN)
WANG YAN (CN)
Application Number:
PCT/CN2021/142192
Publication Date:
May 19, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
CRRC YONGJI ELECTRIC CO LTD (CN)
International Classes:
H02M3/335; B60L1/00; H02M1/088; H02M1/12; H02M1/44; H02M5/458; H02M7/5387
Domestic Patent References:
| WO2009100952A2 | 2009-08-20 |
Foreign References:
| CN104648169A | 2015-05-27 | |||
| CN110834550A | 2020-02-25 | |||
| CN209627251U | 2019-11-12 | |||
| CN109450285A | 2019-03-08 | |||
| CN109606112A | 2019-04-12 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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