Restriking voltage refers to the voltage level at which an electrical arc that has been extinguished in a high voltage system reignites, or "restrikes". This can happen when the voltage level across the gap between two conductors in the system becomes high enough to ionize the air and initiate a new arc. Restriking voltage can be influenced by various factors, such as the length and geometry of the conductors, the presence of insulation or other materials between them, and the frequency and amplitude of the voltage applied.
Recovery voltage, on the other hand, refers to the voltage level that appears across the terminals of a high voltage system after an electrical arc has been extinguished. This voltage can be generated by the inductive and capacitive properties of the system, which cause the voltage to rebound or "recover" after the arc is quenched. The magnitude and duration of the recovery voltage can depend on the characteristics of the system, such as its impedance, capacitance, and inductance, as well as the type of arc quenching mechanism used.
Both restriking voltage and recovery voltage are important considerations in the design and operation of high-voltage systems, as they can affect the reliability and safety of the system. High restriking voltage levels can lead to unwanted arcing and damage to equipment, while high recovery voltages can pose a risk to personnel and equipment if not properly controlled.
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