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The paper deals with transients attendant on filter-compensating capacitive units (FCU) switching-off. The transients disturbs the converter operating mode, breaks the valves commutation, which may caused a converter turn-off. Such processes are caused the saturation of the voltage transformers, used for control of the converter, at FCU switching-off. The problem can be solved by the use of voltage...
We performed a simulation of the chemical fluctuation regions in the lead-magnesium-niobate-like relaxors by growing PbxNbyOz ceramics. The coexistence of PbxNbyOz clusters with different chemical composition that is inclusive of Nb5+ as well as Nb3+ ions was assumed. The existence of mobile polaronic pseudo-Jahn-Teller holes on the oxygen ions in different PbxNbyOz clusters has...
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