Active Energy Management Systems

KTS Active Energy Management Systems

  • Protecting drives against voltage fluctuations
  • Protecting drives against power interruptions
  • Reducing or minimizing grid load peaks
  • Off-grid use of generator energy
  • Reliable energy buffering in DC grids

These are just a few examples of the requirements and conditions, which could hardly be more diverse. We use the term “KTS” to describe the highly flexible system in control cabinets with solutions for all eventualities.

The basis for this is the combination of power electronics (active energy management devices
of the PXTFX or PXTRX type) and energy storage devices such as electrolytic capacitors or double-layer capacitor modules, as well as the necessary and desired peripherals, which are individually assembled for each specific application. The modular design of power electronics and energy storage devices allows for fine gradation in terms of the required power and amount of energy, i.e., the power over time. The decisive factor is the specific application data, which forms the basis for a simulation calculation, the result of which in turn determines the selection of the required components.

Connected directly to the DC link of the drive or drive system, the KTS system supplies energy without interruption when needed or buffers generator energy cyclically. Or the application requires both actions – even then, KTS is the right solution. For DC networks, KTS is the perfectly adaptable solution as an energy buffer. In addition, all necessary safety systems are integrated and the wiring of all components is complete. Configured ready for connection and extensively tested, commissioning KTS is very easy; as a rule, it should be completed with the cable connection of power and communication.

KTS basically operates in voltage-controlled mode, i.e., active communication between the drive system or a higher-level control system is not a prerequisite for operation. However, this can be easily implemented using the PXTMX module, which acts as a system interface. This also enables integration into common fieldbus systems. For maintenance purposes, secure discharge units (SDU) can be integrated on request, which reduce the storage voltage to a safe level within a reasonable time. If a faster solution is required, our active discharge system DDM, an active electronic unit in conjunction with powerful, safe braking resistors, can be used. In addition, the system can be supplemented with the 24-volt NEV emergency power supply, which ensures the supply of 24-volt networks in the plant from the storage units. Other peripheral devices can be integrated upon request.

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