Drive; Figure 2-2 Cooling Process For Ventilating From The N-End To The D-End (Basic Type) - Siemens 1PH728 Series Operating Instructions Manual

Description

Figure 2-2 Cooling process for ventilating from the N-end to the D-end (basic type)

A KTY 84-130 temperature sensor is installed in the stator winding to monitor the
winding.
Depending on the order, various additional devices, such as a space heater or
sensor systems can be installed or built on.
Notice
A minimum clearance of 170 mm from devices added on by the customer must be
observed at the air intake opening and at the air outlet openings, in order to
guarantee the necessary flow of cooling air.
2.5.2

Drive

Description
The variable-speed, three-phase motors of the 1PH7 series are supplied with
power by a frequency converter.
2-4
SIEMENS AG - Operating Instructions
Three-phase induction motor 1PH728.