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Icon of the fixator

In the theory of electrical networks, a fixator is a two-terminal pole through which a fixed current ( constant current source or constant current sink ) flows and at which a fixed voltage ( constant voltage source ) drops.

For him the network equations I = const. and U = const. imprinted.
The fixator thus represents a special case of a norator (any voltage and any current ) and a nullator (U = 0 V, I = 0 A).

The fixator can also be viewed as a constant power source, in which case it must be terminated with a resistor at which the power P = U · I is converted.

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