October 2007, two 120 KVA frequency stabilization power supply in

Dalian offshore oil drilling platform installed on debugging success,

put into use, the power models: AC50-331200, performance: input voltage

three-phase three-line 380 V ± 10%, frequency of 60 Hz ± 5%, the

output 380 V/50Hz, mainly for self-offshore oil drilling platform

supporting the use of indoor ship.