Jebinta wareegga faakuumka ee VBs ee gudaha waa qalab saddex-waji ah oo gudaha ah oo AC60Hz ah iyo danab qiimeyn ah oo ah 12 KV oo loo isticmaalo in lagu xakameeyo laguna ilaaliyo aaladaha korontada ee shirkadaha warshadaha iyo macdanta, warshadaha korontada, iyo saldhigyada transformers-ka.
Dhanka kale, waxaa loo isticmaali karaa meelaha u baahan hawlgal joogto ah.