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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">CONVERTIDORES DE CORRIENTE ELECTRICA</topic></authority><related type="narrower"><topic>CAMBIADORES DE FRECUENCIA</topic></related><related type="narrower"><topic>CLISTRONES</topic></related><related type="narrower"><topic>CONVERTIDORES DE TIRISTORES</topic></related><related type="narrower"><topic>Convertidores rotatorios</topic></related><related type="broader"><topic>MAQUINARIA ELECTRICA</topic></related><related type="broader"><topic>ELECTRONICA DE POTENCIA</topic></related><related type="broader"><topic>SUMINISTRO DE ENERGIA ELECTRICA A APARATOS</topic></related><related type="broader"><topic>MAQUINAS ELECTRICAS</topic></related><variant type="other"><topic>Convertidores eléctricos</topic></variant><variant type="other"><topic>Corriente eléctrica--Convertidores</topic></variant></mads>