Siemens SINAMICS G120P Betriebsanleitung - Seite 11

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General

Description

The du/dt filter compact plus Voltage Peak Limiter comprises two components: the du/dt

reactor and the voltage-limiting network (Voltage Peak Limiter), which cuts off the voltage

peaks and feeds back the energy into the DC link. The du/dt filter compact plus Voltage

Peak Limiter is designed for use with motors for which the voltage strength of the insulation

system is unknown or insufficient.

du/dt filters compact plus Voltage Peak Limiters limit the voltage rate of rise du/dt to values <

1600 V/µs - and the typical voltage peaks to the following values according to limit value

curve A acc. to IEC 60034-25:2007:

● < 1150 V at U

● < 1400 V at 660 V < U

Fire hazard due to overheating because of inadequate ventilation clearances

Inadequate ventilation clearances can cause overheating with a risk for personnel through

smoke development and fire. This can also result in increased failures and reduced service

lives of braking resistors.

• Maintain 100 mm ventilation clearances above and below the component.

• Always mount the du/dt filters compact plus Voltage Peak Limiter in a vertical, upright

Risk of burns due to high surface temperature of the du/dt filter compact

The surface temperature of the dv/dt filters compact may exceed 80 °C. You can get

seriously burnt when touching the surface.

• Mount the du/dt filters compact so that they cannot be touched. If this is not possible,

dV/dt filter compact plus Voltage Peak Limiter

Operating Instructions, 04/2016, A5E32847614B AC

< 575 V

line

WARNING

position, to enable cooling air to flow through the heat sink on the Voltage Peak Limiter

from the bottom to the top.

CAUTION

attach a clearly visible and understandable warning notice at hazardous positions.

< 690 V.