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The new generation of active energy management devices

The Logo of the active energy management devices PxtRX.

Your benefits

> Recovering braking energy         > Increasing energy efficiency
> Increase productivity                              > Controlled stops in case of power failure
> Bypassing power failures   > Mains-independent operation
> Compensate voltage dips   > No heat from braking energy
> Reduce load peak   > Modular system
> Protect power quality   > Save money

While the PxtFX device is specifically designed for use in applications with repeat cycles of milliseconds to a few seconds and must be able to do this well over 100 million times over its lifetime, its bigger brother PxtRX is predestined for applications in connection with storage devices of higher energy density, such as double layer capacitors or batteries. The PxtRX is designed for a current load capacity of 30 ampere and 60 ampere peak for about one minute. In combination with a high storage voltage of up to 800 Volt DC, the device is able to generate a power of almost 50 kilowatts.

If this power is not sufficient for the application, several PxtRX devices can be connected in parallel, as can the PxtFX devices. Depending on the application, active energy management systems can thus be created that fill large control cabinets. Under the type designation KTS, Koch offers ready-to-connect complete systems in control cabinets. These include active energy management systems of the Pxt series, application-specific storages, the appropriate fuses, cabling and, depending on the storages used, passive or active discharging devices. One feature in particular helps the PxtRX in such KTS control cabinet solutions: It also works without problems with cable lengths to the DC link of up to 20 meters.

the active management devices PxtRX from Michael Koch GmbH

Ein Schemabild der PxtRX, wie dieses in einem Gleichstromzwischenkreis unkompliziert angeschlossen werden kann. Operating principle: The active energy management device of Michael Koch GmbH are easily connected to the DC link of the drive controller. As shown here, the PxtRX can be operated either with electrolytic capacitors, super capacitors, batteries or our PxtEX.

 

Key features of the PxtRX devices

Performance
> 3 amps continuous current
> 60 amps peak current for 45 seconds
> up to 50 kW peak power
 
Wide voltage range
> Min. Operating voltage level 180 VDC
> Max. Operating voltage level 848 VDC (UL) / 1000 VDC (IEC)
> Min. starting voltage level for the system (DC link or Energy storage) approx. 45 VDC
 
Safty functions
> Reverse polarity protection to DC link
> Integrated precharge circuit
> LSS charge protection switch: connection of charged energy storage modules possible
> Integrated load monitoring on both sides
> Internal fuses
 
Communication
> 3 digital inputs / 3 digital outputs
> K-Bus for operating data output
> 4 LEDs
> SD card
> Reset button for restart
> Boot button for boot loading from SD card

Futher information / Downloads:

Datasheet PxtRX                             Brochure PxtRX

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