INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
Page
1
SEPARATELY EXCITED (SX) TRANSISTORIZED DUAL MOTOR TRACTION CONTROLLERS
INSTALLATION AND OPERATION MANUAL
(IC3645SR4R333AS2)
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.
Table of Contents
Copyright by General Electric Company May 2000
Section 1.0
INTRODUCTION.........................................................................................................................................................4
1.1
Motor
Characteristics...............................................................................................................4
1.2
Solid-State
Reversing................................................................................................................5
1.3
Flexible System Application .....................................................................................................5
1.4
More Features with Fewer Components.................................................................................5
Section 2.0
FEATURES OF SX FAMILY OF MOTOR CONTROLLERS.....................................................................................6
2.1
Performance ..............................................................................................................................6
2.1.1 Oscillator
Card
Features...................................................................................................6
2.1.1.a
Standard
Operation...................................................................................................6
2.1.1.b
Creep
Speed ...............................................................................................................6
2.1.1.c
Control
Acceleration
................................................................................................6
2.1.2 Current
Limit.......................................................................................................................6
2.1.3 Braking................................................................................................................................6
2.1.3.a
Regenerative Braking to Zero Speed.......................................................................6
2.1.3.b
Auto
Braking ..............................................................................................................6
2.1.4 Auxiliary
Speed
Control ....................................................................................................6
2.1.4.a
Field Weakening ........................................................................................................6
2.1.4.b
Speed Limits ..............................................................................................................6
2.1.5 Ramp
Start..........................................................................................................................7
2.1.6
On-Board Coil Drivers and Internal Coil Suppression .................................................7
2.2
System Protective Override......................................................................................................7
2.2.1
Static Return to Off (SRO) ................................................................................................7
2.2.2
Accelerator Volts Hold Off ...............................................................................................7
May 2000
