This report discusses the simulation of a diesel electric propulsion system for an icebreaker using AC generators and rectified DC for the propulsion motors. A comparison is made between an icebreaker using this system and one using a more conventional el...
National Technical Information Service (NTIS)
The life cycle cost and the purchase price of simple dc and ac propulsion systems are estimated as a
NASA Technical Reports Server (NTRS)
... DC propulsion systems using silicon rectifier conversion equipment with the following objectives: Discussion of the AC - DC propulsion system with ...
DTIC Science & Technology
... Accession Number : AD0845524. Title : Icebreaker Propulsion System Simulation. Phase II. Dynamics of AC-DC Icebreaker Propulsion Systems,. ...
It is pointed out that dc drives will be the logical choice for current production electric vehicles
The report presents the testing, demonstration and evaluation of a solid state AC propulsion system on three rapid transit cars. To demonstrate general performance and applicability of the propulsion system, an on-board computer controlled data acquisitio...
... Title : Propellant Tank Resupply System. ... primary propulsion system with the fuel and oxidizer tanks for the acs thruster engines, and controller ...
In June, 1971, the Cleveland Transit System received a grant contract (Project OH-06-0006) from the Department of Transportation's Urban Mass Transportation Administration to test and evaluate on three rapid transit cars an AC propulsion system developed ...
A study of the Attitude Control System (ACS) is made for a solar electric propulsion geosynchronous
A twenty-four month program was conducted to demonstrate the life capability of a water electrolysis propulsion system and to develop flightweight 5-lbf and 0.1-lbf GO2/GH2 thrusters. A water electrolysis propulsion system was tested for 33 weeks at an ac...
AC-inverter propulsion offers substantial savings in operating and maintenance costs through elimination of moving parts. The fundamental principle of ac propulsion is described and the sources of the improved reliability and costs savings illustrated. An Appendix to the report presents a cost and reliability data ...
Energy Citations Database
The report covers the Phase One effort which is to develop and to test an AC-propulsion system for personal rapid-transit vehicles. This propulsion system incorporates an AC-induction motor in conjuction with an eddy-current clutch and brake. Also include...
The simulation of electric hybrid vehicles is to be performed using experimental data to model propulsion system components. The performance of an existing ac propulsion system will be used as the baseline for comparative purposes. Hybrid components to be evaluated include electrically and ...
NASA Astrophysics Data System (ADS)
Results are presented of a study of an advanced heat engine/electric automotive hybrid propulsion system. The system uses a rotary stratified charge engine and ac motor/controller in a parallel hybrid configuration. The three tasks of the study were (1) p...
Results of a study of an advanced heat engine/electric automotive hybrid propulsion system are presented. The system uses a rotary stratified charge engine and an ac motor/controller in a parallel hybrid configuration. The three tasks of the study were (1...
Idaho National Engineering Laboratory (INEL) evaluates EV propulsion systems and components for the U.S. Department of Energy (DOE) Electric and Hybrid Vehicle (EHV) Program. In this study, experimental data were used to evaluate the relative performances of the benchmark Chrysler/GE ETV-1 DC and the Ford/GE First Generation Single-Shaft ...
The simulation of electric hybrid vehicles is to be performed using experimental data to model propulsion system components. The performance of an existing ac propulsion system will be used as the baseline for comparative purposes. Hybrid components to be...
This report discusses the integration of three AC powered cars into the Cleveland Transit System's revenue operation during 1973. The year of operation was divided into two distinct operating periods. In the first period, January through June, the three A...
The purpose of the INEL testing was to provide test results from which an evaluation of the performance capabilities of the Eaton ac powertrain could be made and compared with other electric vehicle propulsion systems. The major portion of the testing inv...
... Title : Superconducting Electric Machines for Ship Propulsion. ... superconducting AC machine concepts were ... MIT on superconducting AC machines. ...
This paper discusses the characteristics of the concept and includes discussion of the system constraints, including traction battery constraints, and brief descriptions of the major subsystems being developed. The components discussed include: the system controller, dc to ac inverter, an internal permanent magnet ...
