fázisértéket

The Hungarian term "fázisértéket" translates to "phase value" in English. It is a concept primarily used in the context of electrical engineering and physics, specifically when dealing with alternating current (AC) circuits and wave phenomena.

In AC circuits, voltage and current are not constant but oscillate sinusoidally over time. The phase value refers to the position of a point in time within one complete cycle of this oscillation. It is often expressed as an angle, typically measured in degrees or radians, where 0 degrees (or 0 radians) represents the beginning of a cycle and 360 degrees (or 2π radians) represents the end of one cycle and the start of the next.

The fázisérték is crucial for understanding the relationship between different oscillating quantities. For instance, in an AC circuit, the voltage and current may not reach their peak values at the same time. The difference in their fázisértékek, known as the phase difference or phase shift, indicates whether one quantity leads or lags the other. This phase difference influences the power delivered to the circuit.

Beyond electrical engineering, the concept of fázisérték can be applied to any periodic wave phenomenon, such as sound waves or light waves, to describe the relative timing of different points in their cycles.