The tunnel type three-phase step-up transformer (supercharger and voltage regulator) produced by HENGFENGYOU ELECTRIC can solve the problem that the voltage is too low due to the long low-voltage power grid line, which makes all equipment unable to start and use normally, and can increase the 300V voltage to 380-450v. In particular, there are places for long-distance transmission and distribution: factories, mines, roads, railways, tunnels, irrigation and other places with low voltage.
> It can solve the problem that the high-voltage power grid is too low during the peak period, but the low-voltage line is too long, or the transmission distance is too far (within 2300m), so that the equipment cannot operate normally. It can solve the problem that the tunnel voltage is too low at the longest distance of 5000-11000m.
> Continuous and reliable operation, no contact, less faults, maintenance free, high efficiency, strong anti-interference ability and long service life.