SIEMENS
ROBICON Perfect Harmony
Liquid-cooled drives
4/6
Siemens D 16.2
– 2012
4
Options
Description of Options
L55
Anti-condensation heating for cabinet
The anti-condensation heating is recommended at low
ambient temperatures and high levels of humidity to prevent
condensation. The number of cabinet heaters fitted depends
on the number of cabinet panels (refer to the table). The
anti-condensation heaters are controlled with a thermostat.
Note: The supply voltage for the anti-condensation heating
(110 or 240 V AC)
must
be supplied externally.
WCIII, number of cells
Number and power of heaters
9 to 12 cells
7 heaters, 250 W each
15 cells
8 heaters, 250 W each
18 cells
9 heaters, 250 W each
M08 to M10, M38
Mechanical door interlocks
With options
M08, M09, M10
and
M38
the drive is supplied
with a mechanical door interlock system. These options are
mutually exclusive.
Note: One of the options
M08
to
M10
and
M38
is required
for CSA, CE (US).
Option
Description
M08
Mechanical door interlock – Superior
Description see option
M10
.
M09
Mechanical door interlock – Kirk
Description see option
M10
.
M10
Mechanical door interlock – Castell
The safety closing/interlocking system is based on the key
transfer system from Castell. The opened circuit-breaker
releases the key to the key exchange unit, which in turn
releases the keys to the drive cabinet doors of the power
section. This ensures that the drive is isolated from the
medium voltage and that the medium voltage is no longer
present in to cabinet.
M38
Mechanical door interlock – Fortress
Description see option M10.
Note: Options
M08, M09, M10
and
M38
are mutually
exclusive,
M08
is the preset value.
The opening and closing time of the two circuit-breakers /
contactors is approximately 100 ms. Within this period of
time, the motor is transferred from the drive to the line.
This small time window allows for a bumpless transfer.
If the motor is to be taken from the line and operated via the
drive, the transfer process is executed in reverse order. The
circuit breaker contactor S2 is closed, the drive synchronizes
to the output voltage, and magnetization current and up to
25% torque is applied. At this point, contactor S3 is opened
and the motor is operating on the drive. This technique
provides for minimum transient when transferring a motor
from the line to the drive.
Synchronous transfer as implemented by ROBICON Perfect
Harmony does not produce any high starting and transient
torques that could damage the drive train or cause pressure
fluctuations in the process. The S3 circuit-breaker/contactor
must be configured to protect the motor against over
currents and over voltages during line operation. If
temperature sensors are fitted in the motor, these must
be monitored independently (plant-side) during line
operation. In addition, an output reactor (option L09) is
required for the decoupling of the drive output during the
commutation process.
Note: The circuit-breakers/contactors are not included in the
scope of delivery. For the dimensioning of the output reactor
(option
L09
) and the circuit-breakers/contactors contact
the factory or your local Siemens sales representative. A
motor protection relay should also be considered in the
bypass circuit.
Attention: Option
L29
is only possible if the drive output
voltage is the same as the line voltage.