Siemens SINAMICS S120 Function Manual page 218

Basic functions
6.10 Integrated voltage protection
Note
The "Integrated voltage protection" (IVP) will be available as of firmware version 2.5 SP3 for
all modules in the SINAMICS drive line-up (Line Module, Motor Module, etc.).
Requirements
Requirements for the use of integrated voltage protection IVP are:
● Short-circuit-proof motors (p0320 < p0323)
● The short-circuit current of the motor must not be higher than the specified S6 current of
● One of the permanent-magnet motor types specified below is used:
● Use of Motor Modules in booksize format
● The max. power unit current (r0209.0] must be at least 1.8 x the motor short-circuit
● Active Line Module with regenerative feedback capability
● Two 24 V power supplies for fault redundancy
● Braking Module with connected braking resistor
218
the Motor Module (see "Technical data" for the Motor Module).
– Rotating permanent-magnet synchronous motor (booksize) (p0300 = 2xx)
– Linear permanent-magnet synchronous motor (booksize) (p0300 = 4xx)
current (r0331).
16 kW to 120 kW Active Line Module or 16 kW to 36 kW Smart Line Module.
The regenerative feedback rating of the Active Line Module must not be less than the
rated power of the PE spindle(s).
Standard power supply (e.g. SITOP) or CSM for Control Unit and Line Module.
DC-link-buffered power supply (CSM) for the Motor Modules of permanent-magnet
motors on which spindles are operated.
The short-time power of the braking resistor must be adjusted to the rated power of the
spindle(s) operating on a permanent-magnet motor. The following formula can be used to
determine the maximum resistance of the braking resistor:
∗ π∗Ζ ∗
(
∗
1000min
Formula symbol
k
E
n
max
Z
P
L
A
∗
)
2
2
( )
3
-1
Parameters
p0317
p0322
p0314
p0356
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Description
Voltage constant
Maximum rotational speed
Number of pole pairs
Armature inductance
Drive functions