Siemens Aktiengesellschaft

Nixdorf Computer Ag

Werner Kleffner

Rainer Janssen

Hubert Meschede

In a program-controlled telecommunication system (KS), at least sub-areas (SLM1..n) are controlled into an energy-saving mode with reduced energy consumption using a central controller (ZS) and additional controllers (SM) given the presence of energy-saving information (ei). The energy-saving information (ei) are formed, for example, using a timer (UM) in the telecommunication system (KS) and using an implemented energy-saving routine (ESR). A telecommunication system (KS) fashioned in this way can be controlled into an energy-saving mode, for example during the night or over weekends.

Telecommunication system with energy-saving mode

An electric power supply system with at least two mains (10, 12, 14) is indicated, whose outputs (16, 18, 20) are switched in parallel and who together supply a load (22). The output power of the respective mains (10, 12, 14) is governed by its temperature. In a special execution the output power of the respective mains (10, 12, 14, is regulated by the difference of its temperature and the mean temperature of all mains. This results in the fact that the mean time between two failures of the electric power supply system is increased by simple means.

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Borchen, Germany

Werner Kleffner