Lenze DSD User Manual download pdf (Page 277)

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 277

9 Mains and environment

9.1 Electrical supply system

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9 Mains and environment

Mains voltage, power system, and ambient conditions are decisive for the operation of the drive sys-

tem.

9.1 Electrical supply system

Select the supply system the drive system is to be connected to. For an inverter with DC supply, se-

lect the supply system of the energy supplier.

9.1.1 Power system

In the following the power systems which can be selected in the DSD and which are in use world-

wide are described in detail.

Earthed power systems

TT and TN systems are power systems with an earthed neutral. They are used in most countries. In

some countries, power systems with earthed phase conductors are also used.

Supply system Supply frequency Power system Note

1AC 230 V 50 Hz TN/TT system

IT system

• Europe, Asia, Africa and Australia

have a mains frequency of 50 Hz.

• The mains frequency of 60 Hz (North

America) is not supported by the DSD.

• Select a rated mains voltage of 400 V

for 380-V systems.

3AC 230 V

3AC 400 V

3AC 415 V

3AC 480 V 60 Hz TN/TT system

IT system

Earthed power systems Unearthed power systems

TT supply (with earthed star point) TN supply (with earthed star point) IT supply (with floating star point)

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