Munyika yanhasi ine tekinoroji yakasimukira, kuva nesosi yemagetsi yakatsiga kwakakosha kuchengetedza midziyo yedu yemagetsi yakakosha kubva pakukuvadzwa kunokonzerwa nekushanduka kwemagetsi. Apa ndipo panopinda AC otomatiki voltage stabilizers uye regulators. Pano, isu tichavhara nekuongorora maficha uye mabhenefiti eizvi zvakakosha zvishandiso. A voltage regulator, inozivikanwawo sevoltage regulator, chishandiso chinongo chengetedza yakagadzikana inobuda voltage kunyangwe magetsi ekupinza achinja.