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The new generation of active energy management devices

The logo of the new active energy management devices PxtFX of Michael Koch GmbH.

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

 

PxtFX for frequent, short duty cycles. 

The PxtFX can save up to 1.2 kilowatt hours of energy in its smallest expansion stage in one-second cycles per operating hour. In relation to the application itself, savings of up to 40 percent can be achieved with the active energy management system based on the PxtFX. Often, however, other benefits play a greater role than increasing energy efficiency, such as the compensation of so-called brownouts, safe and defined standstill during blackouts, the possible acceleration of production processes with output increases of up to 50 percent, the reduction of mains load peaks (“peak shaving”) or even the operation of the electric drive independently of the mains supply.

With a current load capability of 20 amps duration and 40 ampere peak for about one minute compared to storage, which may have a maximum voltage of 450 volts DC, the PxtFX can generate up to 18 kilowatts of power. The device can be equipped ex works with a storage volume of two or four kilowatt seconds. Built into the device as standard is the automatic detection of the brake transistor switch-on voltage threshold, which enables the device to work with all commercially available frequency inverters and servo controllers in a plug & play manner. The extensive safety features of the PxtFX protect against reverse polarity of the DC link, against connecting loaded storage devices and overloading the system on both the storage and DC link sides. Koch sees internal fuses as standard. New features of the PxtFX include an SD memory card, an external 24-volt supply, status displays via LEDs, boot loading and reset options and 6 digital I/Os. These are supplemented by output functionalities via a USB module.

The acive energy management device PxtFX for frequent, short duty cycles.

 

Key features of the PxtFX devices 

Performance
> 20 amps continuous current
> 40 amps peak current for 60 seconds
> 18 kilowatts 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 PxtFX                             Brochure PxtFX

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