Results 81 to 90 of about 21,616 (203)

Infrared emission spectrophotometric study of the changes produced by TiN coating of metal surfaces in an operating EHD contact [PDF]

open access: yes
Infrared emission spectra and related measurements were obtained from an operating ball/plate elastohydrodynamic (EHD) sliding contact under a variety of operating conditions.
Jones, W. R., Jr.   +2 more
core   +1 more source

The Simplification of IGBT Traction Inverter for Metro Vehicle

open access: yes机车电传动, 2011
Power circuit, converter module, DCU and general design of the simplification IGBT traction inverter with completely independent intellectual property rights for metro vehicle were introduced. The technical features were also described. The design of the
翁星方   +4 more
doaj  

Phase 1 of the near term hybrid passenger vehicle development program [PDF]

open access: yes
In order to meet project requirements and be competitive in the 1985 market, the proposed six-passenger vehicle incorporates a high power type Ni-Zn battery, which by making electric-only traction possible, permits the achievement of an optimized control
Montalenti, P., Piccolo, R.
core   +1 more source

Rotorcraft convertible engine study [PDF]

open access: yes
The objective of the Rotorcraft Convertible Engine Study was to define future research and technology effort required for commercial development by 1988 of convertible fan/shaft gas turbine engines for unconventional rotorcraft transports. Two rotorcraft
Earle, R. V., Gill, J. C., Mar, H. M.
core   +1 more source

STRUCTURAL RELIABILITY OF TRACTION INVERTER FOR MULTI-SYSTEM ELECTRIC LOCOMOTIVE WITH ASYNCHRONOUS TRACTION MOTORS

open access: yesNauka ta progres transportu, 2009
In the article the structural reliability of different variants of structured schemes of the steady-state converter for traction drive of promising multi-system electric locomotives with asynchronous traction engines is compared.
A. M. Muha
doaj  

Traction Converter Development of Hybrid-power Diesel Locomotive

open access: yes, 2012
Performance and main technic parameters of hybrid-power diesel locomotive traction converters were introduced,which overcame shortages of traditional diesel locomotive by using both power battery and diesel generator for traction.Operating principle,development process,main characteristics and innovation of traction converters were described ...
RAO Pei-nan, CHAI Duo, ZHANG Yi
openaire   +1 more source

COMPARATIVE ANALYSIS OF CONVERTER STRUCTURES OF THE TRACTION DRIVE PROSPECTIVE MULTI-SYSTEM ELECTRIC LOCOMOTIVES WITH DC TRACTION MOTORS

open access: yesNauka ta progres transportu, 2009
In the article the structured schemes of steady-state converter are offered for traction drive of promising multisystem electric locomotives with traction engines of direct current and their comparative analysis is conducted.
A. M. Muha
doaj  

Development of High-speed EMUs Based on Permanent Magnet Motor Traction System

open access: yes机车电传动, 2019
Based on the characteristics of permanent magnet motor traction system, the design principles of high-speed EMUs were expounded, and the design characteristics of traction converter and traction motor were discussed.
Donghua WU, Chuanming SUN
doaj  

Traction MMC / Bahn MMC: Multilevel Modular Converter

open access: yes, 2023
Biela, Jürgen; id_orcid0000-0001-9099-6486   +2 more
openaire   +2 more sources

Development of Traction Converter for Freight 250 km/h EMUs

open access: yes机车电传动, 2019
In order to adapt to the development requirements of fast freight transportation, a 250 km/h freight EMUs traction converter was designed by optimizing the control of the rectifier, traction inverter and auxiliary inverter of the existing converter.The ...
Ting YANG   +5 more
doaj  

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