INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
Page
1
Note: The information contained herein is intended to assist OEM's, Dealers and Users of electric vehicles in the
application, installation and service of GE solid-state controllers. This manual does not purport to cover all variations
in OEM vehicle types. Nor does it provide for every possible contingency to be met involving vehicle installation,
operation or maintenance. For additional information and/or problem resolution, please refer the matter to the OEM
vehicle manufacturer through his normal field service channels. Do not contact GE directly for this assistance.
General Electric Company June 2003
INTRODUCTION
Section 1.0
.................................................................................................................. 3
1.1
Motor Characteristics ........................................................................................ 3
1.2
Solid-State Reversing ........................................................................................ 4
1.3
Flexible System Application ............................................................................... 4
1.4
More Features with Fewer Components ........................................................... 4
FEATURES OF SX FAMILY OF MOTOR CONTROLLERS
Section 2.0
............................................... 4
2.1
Performance ...................................................................................................... 4
2.1.1
Oscillator Card Features ............................................................................. 4
2.1.1.a
Standard Operation..................................................................................... 5
2.1.1.b
Control Acceleration ............................................................................ 5
2.1.2
Current Limit ............................................................................................... 5
2.1.3
Regenerative Braking to Base Speed ......................................................... 5
2.1.4
Auxiliary Speed Control ............................................................................... 5
2.1.4.a
Field Weakening ......................................................................................... 5
2.1.4.b
Speed Limits .............................................................................................. 5
2.1.4.c
Top Speed Regulation ................................................................................5
2.1.5
Ramp Start .................................................................................................. 6
2.1.6
On-Board Coil Drivers and Internal Coil Suppression ................................ 6
2.2
System Protective Override ............................................................................... 6
2.2.1
Static Return to Off (SRO) ......................................................................... 6
Table of Contents
SEPARATELY EXCITED (SX) TRANSISTORIZED MOTOR
CONTROLLERS
FOR NEIGHBORHOOD ELECTRIC VEHICLE APPLICATIONS
INSTALLATION AND OPERATION MANUAL
GE MODEL IC3645SR7A353T3
Updated Sept 2019
