Siemens SINAMICS GL150 Manual de referência - Página 30
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Tests
3.3 Cooling system test
3.3
Cooling system test
The test is performed with a calibrated cooling unit of the test station.
3.3.1
Static pressure test
Fundamentals
Tests are performed according to IEC 61800-5-1 and DIN EN 805.
The drive cooling system is checked for leaks and pressure drop for one hour.
Test procedure
1. The cooling system is filled with coolant and the valves in the supply and return lines are
2. With the valves closed, pressure is increased to a test pressure of p
3. After a total of 30 min, pressure p
4. After a total of 60 min, pressure p
5. The pressure drop is calculated from measured values: Δp = p
30
closed.
next 10 min.
Figure 3-1
Procedure for the pressure test
is measured.
1
is measured.
2
SINAMICS GL150 6SL3855 F03 F70 F76 F79 F98 E11
Reference Manual Rev.201902141423 GL150 wassergekühlt
and is controlled for the
t
- p
1
2