Waste from Electrical and Electronic Equipment

If we consider the huge amounts of waste from electrical and electronic equipment which will become available for recovery we have to strengthen various end-of-life possibilities such as upgrade, re-use, recondition, and remanufacture, resale or recycling of materials. The quality of these end-of-life possibilities are decisively determined by the quality of the logistic systems. Today the end-of-life electric and electronic equipment is mostly regarded as scrap and treated like it is usual for scrap - in a destructive way. This makes it impossible to re-use equipment , components and parts. This paper describes the development of a logistic solution which meets the demands for several re-use strategies and also increases the effectiveness in material recycling. The main problems in strongly interconnected systems are frequency control and load flow control, and in long distance transmissions, voltage control and steady state and transient stability. Power electronic equipment offers appropriate solutions to overcome these various problems.

We consider the possibility of use of the multiple approaches for designing of the electronic equipment of control engineering systems. We analyze the one-stage direct-current transistor amplifier as an example. We show that defining the parameters of elements in the form of “interval sets, we get the result also as an "interval set". This approach sufficiently reduces the volume of computations while designing the electronic equipment of control engineering systems and analysis of the circuit in the parameters change range of elements.

The rapid growth of waste from electrical and electronic equipment is of worldwide concern. The European Commission has proposed a harmonizing directive to control waste from electrical and electronic equipment in the European Economic Area. It aims to contribute to the protection of human health and the environment. Its principal objectives are to protect soil, water and air from pollution caused by current management of waste from electrical and electronic equipment , to avoid the generation of waste which has to be disposed of, and to reduce the harmfulness of waste from electrical and electronic equipment . It also seeks to preserve valuable resources, in particular energy.

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