Not tACTS with a beautiful and harmonious campus, harmonic Zhang curtain, but up to the teachers, to the students school, have a care about each other, a tolerance.
和谐的校园，并不是徒具优美谐鄣幕肪，而是上至师长，下至同学校工，彼此都有一份关心，一份包容。 。
2
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.