Straight and chopped dc performance data for a General Electric 5BT 2366C10 motor and an EV-1 controller. Final report

Technical Report · Thu Jan 01 04:00:00 EST 1981

OSTI ID:6129972

Edie, P C

This report is intended to supply the electric vehicle manufacturer with performance data on the General Electric 5BT 2366C10 series wound dc motor and EV-1 chopper controller. Data are provided for both straight and chopped dc input to the motor, at 2 motor temperature levels. Testing was done at 6 voltage increments to the motor, and 2 voltage increments to the controller. Data results are presented in both tabular and graphical forms. Tabular information includes motor voltage and current input data, motor speed and torque output data, power data and temperature data. Graphical information includes torque-speed, motor power output-speed, torque-current, and efficiency-speed plots under the various operating conditions. The data resulting from this testing shows the speed-torque plots to have the most variance with operating temperature. The maximum motor efficiency is between 86% and 87%, regardless of temperature or mode of operation. When the chopper is utilized, maximum motor efficiency occurs when the chopper duty cycle approaches 100%. At low duty cycles the motor efficiency may be considerably less than the efficiency for straight dc. Chopper efficiency may be assummed to be 95% under all operating conditions. For equal speeds at a given voltage level, the motor operated in the chopped mode develops slightly more torque than it does in the straight dc mode. System block diagrams are included, along with test setup and procedure information.

• Research Organization: National Aeronautics and Space Administration, Washington, DC (USA); Eaton Corp., Southfield, MI (USA). Engineering and Research Center
• OSTI ID: 6129972
• Report Number(s): DOE/NASA/0123-1; NASA-CR-165322; ON: DE81028111
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330300* -- Advanced Propulsion Systems-- Electric-Powered Systems
CONTROL EQUIPMENT
DATA
EFFICIENCY
ELECTRIC CONTROLLERS
ELECTRIC MOTORS
ELECTRIC-POWERED VEHICLES
EQUIPMENT
EXPERIMENTAL DATA
INFORMATION
MOTORS
NUMERICAL DATA
OPERATION
PERFORMANCE
PERFORMANCE TESTING
TESTING
TORQUE
VEHICLES