Noise Measurement Without Load - Siemens SINAMICS PERFECT HARMONY GH180 Reference Manual

Tests

3.5 Additional optional tests

Test procedure

1. The drive is operated in the test mode the same as in the "Load test without motor".

2. The first 50 harmonics are measured for each phase, and the average of the harmonics

Result

The test is passed if the corresponding average limit values are not exceeded.

3.5.6

Fundamentals

The noise measurement is conducted in operation without load, but with the main fans running

according to EN ISO 3744.

Test procedure

1. The drive is switched on.

2. The measuring points defined are documented in the report and evaluated.

Result

The results of the noise measurement are separately recorded and documented together with

the "Functional test plan".

SINAMICS PERFECT HARMONY GH180 6SR41 F03 F04 F06 F14 F28 F48 F68 F72 F79 G21 K20 K21 K29 L29 L50 L55 L81 L82 L95 M61

40

calculated on a proportional basis.

N30 N35 N44 N75 M08 U10 Y15

Reference Manual Rev.201902141441 GH180