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On June 19, the dispatching center in State Grid hold a meeting on the first batch of relay protection and safety automatic device detection results report in 2014. Transformer protection device PST-1200U and SGT-756 in 220KV intelligent station from SAC pass the test with a maximum of 100 points. Our company is the only manufacturer without any problems and improvement, during eight manufacturers participating in the test activity.Our company won the first prize again following the test of transformer protection device in 500KV intelligent station, which further strengthened the company at a leading position in transformer protection field.