Starting Sequence - ABB ACS 600 User Manual

Chapter 6 – Firmware Description

Starting Sequence

MAIN CTRL WORD
MAIN CTRL WORD
6-6
The synchronization parameters are listed below.
Code Parameter
140.10 ZERO VECT LENGTH 200 ms Length of the short-circuit pulse
140.11 PHASE LOSS LIMIT
99.06 FAST SYNC
Fault
9.02 SUPPLY PHASE
9.11 SYNCHRO FLT
During the charging procedure the main contactor is closed, and after
the synchronization routine is completed, the modulator is started and
the ISU runs normally.
A simplified block diagram of the modulator starting (from starting
switch on the cabinet door or via fieldbus) is presented below. For
description of the starting procedure see the next pages.
COMMAND SEL
98.01
bit 0
7.01
&
DI2
bit 3
7.01
Unit
A
enable (1) = I/O
(0)
(1)
&
(0)
(1)
(0)
(1)
SWITCH
Description
Current limit for short-circuit current
One short-circuit pulse is used
Synchronization failed, phase(s)
missing
Synchronization failed, short-circuit
current below limit
MAIN STATUS WORD
> 1
8.01
ACA 635 IGBT Supply Sections
bit 8