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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 361

12 Components in the DC bus

12.1 Supply concept

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12 Components in the DC bus

The energy flow of a drive system in motor and in generator mode can be controlled via the DC bus

if the inverter is provided with terminals on the DC-bus level. DSD offers components for the oper-

ation in the DC bus:

• Power supply modules for energy supply into the drive system.

• Regenerative power supply modules for energy supply into the drive system and energy feed-

back to the AC system.

• Brake resistors

12.1 Supply concept

Select in the "Select supply concept" dimensioning step a power supply module or a regenerative

power supply module.

• The dimensioning step is only available in the "Dimensioning multi-axis system" application.

9400 power supply module

•Central AC mains connection for a Multi Drive axis interconnection.

• Integrated brake chopper and connection to DC bus busbar system.

• Filters and a brake resistor are to be provided externally if required.

• By the collective use of the mains supply, the mains filter, the brake chop-

per and the DC-bus busbar system, the expenses for material and instal-

lation within a Multi Drive axis interconnection are considerably

reduced.

9400 regenerative power supply module

• Optimally suitable for clock drives as the module is able to provide a mul-

tiple of the rated power for a short time.

• For increasing the supply power, the supply modules can be connected in

parallel.

• For increasing the regenerative power, several regenerative power sup-

ply modules can be connected in parallel.

• Easy mounting and installation through separation of installation back-

plane and electronic module.

• Mains filters can be simply added and connected to the installation back-

plane via the available connecting cables.

i700 power supply module

• Internal brake chopper and brake resistor.

• If required, an external brake resistor can be connected.

• 5-fold overload is permissible for a short time.

• A power supply module can supply up to 10 axis modules.

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Lenze DSD Manual de usuario Pagina 361