On September 12, research center of technology of southern electrified wire netting holds “ Yunnan to be defeated by trial test of FPT of electrical engineering Cheng to start meeting ” to dc of Guangdong ±800 kilovolt, the main problem that wide to the cloud dc is versed in programmed control makes protection system exist at present and should undertake discussion to measure.

The conference thinks, yunnan sheds transmit electricity to be versed in arrangement of plan of Cheng FPT trial test is reasonable continuously to Guangdong ±800 kilovolt, it is clear below the premise that makes sure FPT trial test works, signal of control protection system checks the job to want alternate synchronism to undertake. Want to make detailed signal test a plan, make sure signal checks main job to be finished before FPT trial test ends.

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