INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
Page 1
October 1998
SEPARATELY EXCITED (SX) TRANSISTORIZED DUAL MOTOR TRACTION CONTROLLERS
AND SERIES PUMP CONTROL
INSTALLATION AND OPERATION MANUAL
(IC3645SR4R404U2 and IC3645SP4R400U2)
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.
Copyright by General Electric Company October 1998
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 ....................................................................................5
2.1
Performance.............................................................................................................................. 5
2.1.1 Oscillator
Card
Features .................................................................................................. 5
2.1.1.a
Standard
Operation .................................................................................................. 6
2.1.1.b
Proportional Operation for Dual Motor Vehicles .................................................. 6
2.1.1.c
Creep
Speed............................................................................................................... 6
2.1.1.d
Control Acceleration and 1A Time.......................................................................... 6
2.1.2 Current
Limit ...................................................................................................................... 6
2.1.3 Braking............................................................................................................................... 7
2.1.3.a
Plug
Braking .............................................................................................................. 7
2.1.3.b
Regenerative Braking to Zero Speed...................................................................... 7
2.1.3.c
Pedal
Position
Plug
Braking .................................................................................... 7
2.1.3.d
Auto
Braking.............................................................................................................. 7
2.1.3.e
Brake
Pedal
Regenerative
Braking......................................................................... 7
2.1.4 Auxiliary
Speed
Control.................................................................................................... 7
2.1.4.a
Field Weakening........................................................................................................ 7
2.1.4.b
Speed Limits .............................................................................................................. 7
2.1.5 Ramp
Operation ................................................................................................................ 8
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