Regarding the occurrence of frequent electric power shut down or trips an outages office. The team has coordinated with the security team of 21-Design technicians to analyze the causes and find ways to prevent and address from an initial examination found no abnormalities MDB control box, the technical assumption seems to be a problem caused by the dislocation of the Phase Protection who made the previous electric power trip case of a power cut or exceeding guidelines. Perform basic solving team of technicians will replace the new Phase Protection and follow-up result period 1-month.