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Safety Instructions
ACS/ACC/ACP 604/607 AC Drives
ACx = ACS/ACC/ACP
vii
The following table lists the insulation requirements for motors used
with ACx 600 AC drives.
Motor Type
Nominal
AC Line Voltage
Motor Insulation Requirement
ABB Motors
(manufactured
from beginning of
1998)
V
N
<
500 V
Standard insulation system
525 V
<
V
N
≤
690 V
Standard insulation and dv/dt filter
or
special insulation system
Random-wound
Motors
V
N
≤
420 V
Motor insulation system must withstand
V
PK
= 1300 V.
420 V
<
V
N
≤
500 V
If motor insulation system withstands
V
PK
= 1600 V and 0.2
µ
s rise time, a dv/dt filter is not needed.
With a dv/dt filter at the output of the ACx 600, motor
insulation system must withstand
V
PK
= 1300 V.
500 V
<
V
N
≤
600 V
Motor insulation system must withstand
V
PK
= 1600 V. A
dv/dt filter must be used at the output of the ACx 600.
600 V
<
V
N
≤
690 V
Motor insulation system must withstand
V
PK
= 1800 V. A dv/dt filter must be used at the output of the
ACx 600.
Form-wound
Motors
V
N
≤
690 V
If motor insulation system withstands
V
PK
= 2000 V and rise
time
0.3
µ
s, no dv/dt filter is needed.
Symbol
Definition
V
N
nominal mains voltage
V
PK
peak line to line voltage at motor terminals
Rise time
:
t
= 0.8 ·
V
PK
/(dv/dt)
Rise time is line to line voltage change rate
at motor terminals (the interval during
which the voltage changes from 10% to
90 % of the whole voltage range)
V
PK
and
t depend on cable length. Read
the values of
V
PK
and dv/dt from the
diagrams below.
Содержание ACS 600 Series
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Страница 16: ...xiv ACx ACS ACC ACP ACS ACC ACP 604 607 Drives ...
Страница 20: ...Chapter 1 Introduction 1 4 ACx ACS ACC ACP ACS ACC ACP 604 607 Drives ...
Страница 38: ...Chapter 5 Maintenance 5 2 ACx ACS ACC ACP ACS ACC ACP 604 607 Drives ...
Страница 72: ...Appendix B ACx 607 Dimensional Drawings B 2 ACx ACX ACC ACP ACS ACC ACP 604 607 Drives ...
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