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INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL Page 1
January 2000
SEPARATELY EXCITED (SX) TRANSISTORIZED DUAL MOTOR TRACTION CONTROL
AND SERIES PUMP CONTROL
INSTALLATION AND OPERATION MANUAL
(IC3645SR4U404N2 and IC3645SP4U400N3)
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 January 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 Controlled Acceleration .......................................................................................... 6
2.1.2 Current Limit ...................................................................................................................... 6
2.1.3 Braking............................................................................................................................... 6
2.1.3.a Plug Braking .............................................................................................................. 6
2.1.3.b Regenerative Braking to Zero Speed...................................................................... 6
2.1.3.c Pedal Position Plug Braking .................................................................................... 6
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