3 ms·
To be precise, most houses in Japan pull 3 power lines (-100V, 0V, 100V) so they also supports 1-phase 200V by using -100V, 100V pair. Another problem is elect
by fomine3 5y ago
To be precise, most houses in Japan pull 3 power lines (-100V, 0V, 100V) so they also supports 1-phase 200V by using -100V, 100V pair.
Another problem is electric company offers only 6kVA max for normal family plan. If I need more capacity, monthly bill isn't getting much higher, but selectable plan is limited and I should pay replacement cost at once.