- Thenavigationerrordoesn'tcumulatewithtime.Apositionandvelocitycorrectionareintroducedtoavoidcumulateerrors.Thepoweroftheprotectorissuppliedbyitselffromthect.Basedonthermalcumulateprinciples,arapidandhighprecisioninverse-timephase-sequenceover-curren...
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