ACB(Set Sort, Attract out Form) This is a subsequent-generation sort ACB with dynamic characteristic reliability tremendously improved by adopting digital overcurrent relay inbuilt with large-precision A/D conversion circuit utilized for measuring instruments.– T? ??ng kh?i ??ng ho?c d?ng ho?t ??ng ( c?a DG ) khi ngu?n ?i?n có s? c?By Tr?n Hoài