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KEV - for single-phase drive controllers

Active Support module for DC links

KEV > for single and multiple systems
> no keys, displays, other control elements
> supports in case of power failure or interruptions

Short-term UPS for drives

The Dynamic Energy Supply KEV acts as a short-term uninterruptable power supply for drives and servo controllers. The active capacity extension for the DC link of the inverter stores an amount of energy that is defined according to the technical design, which serves to keep the voltage level of the DC link at a level which bridges over the downtime without trouble and/or brings the machine to the defined stop state in case of power failure. In each case, the objective is that the drive and all systems supplied by it either do not perceive the power failure at all or are brought into a defined state from which a restart is possible without any effort.

Gentle on the power grid an drives

The energy storage is charged after switching on the inverter for each charging routine, which acts very carefully not to overload the charging circuit and not to generate any negative circuit feedback either. The KEV is fully ready for use after only eight seconds. It then supports the DC link every time that its voltage falls below 270 VDC.

Technical specifications KEV

Useful energy approx. 1,600  WS
Continuous voltage of the DC link 540 VDC max.
Cycle time of use 30 minutes
Working voltage 270 VDC (other possible)
Output 10.4 kW max.
Built- in PTC discharge resistor  +
Dimensions H x W x D 300 x 100 x 201 mm (11.81 x 3.94 x 7.91 in)
Weight approx. 6.9 kg (15.21 lbs)
Protection class IP 20

Download: Data Sheet

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