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New Dynamics of Unit 5 # 6 # in Tianwan Nuclear Power Plant
Initial introduction of pressure vessel for lower reactor internals of Unit 6
At 12:44 on September 2, 2019, the first introduction of reactor pressure vessel to lower reactor internals of Unit 6 of Tianwan Nuclear Power Project was completed smoothly, marking the beginning of the operation of reactor internals.
Unit 6 Practice Island Steam Water Separation Reheater in Place Smoothly
At 20:28 on September 4, 2019, the steam-water separation reheater (B) of Unit 6 of Tianwan Nuclear Power Project was in place smoothly. So far, the two steam-water separation Reheaters of Unit 6 of Tianwan Nuclear Power Project have been lifted completely.
Successful First Start-up of Diesel Generator Unit in DA Workshop of Unit 5
At 00:36 on September 6, 2019, the diesel generator set of DA plant of Tianwan Nuclear Power Project Unit 5 was first started. It was witnessed by the technicians of Jiangsu Nuclear Power Plant, Medium Nuclear Project, Medium Nuclear Consultation, Medium Nuclear 23rd and Equipment Manufacturer. The measured technical parameters met the requirements of technical documents.
Available Node Completion for Main Control Room of Unit 6
On September 26, 2019, at 16:16, the communication network of DCS system equipment of Unit 6 of Tianwan Nuclear Power Project was put into operation, and the system picture was displayed normally on the display, which indicated that the main control room of Unit 6 had the conditions for commissioning and completed the first-class milestone node available in the main control room.
Smooth completion of 500 kV GIL and other electrical experiments for Unit 5
On September 27, 2019, Tianwan Nuclear Power Project smoothly completed all remaining electrical experimental projects such as 500kV GIL (Gas Insulated Metal Closed Transmission Line) of Unit 5. The experimental data satisfy the national standard and design requirements.
Smooth Welding Completion of Main Pipeline of Unit 6
On September 26, 2019, at 16:16, the communication network of DCS system equipment of Unit 6 of Tianwan Nuclear Power Project was put into operation, and the system picture was displayed normally on the display, which indicated that the main control room of Unit 6 had the conditions for commissioning and completed the first-class milestone node available in the main control room.
Smooth completion of 500 kV GIL and other electrical experiments for Unit 5
On September 27, 2019, Tianwan Nuclear Power Project smoothly completed all remaining electrical experimental projects such as 500kV GIL (Gas Insulated Metal Closed Transmission Line) of Unit 5. The experimental data satisfy the national standard and design requirements.
Smooth Welding Completion of Main Pipeline of Unit 6
At 15:58 on September 24, 2019, with the arc of the automatic welding machine subsided, the whole welding operation of the main pipe of Unit 6 of Tianwan Nuclear Power Project was completed, and passed the inspection on September 27, with the welding qualification rate of 100%. For the follow-up primary circuit related system and auxiliary system devices, dredged the arteries, and invented outstanding preconditions for important nodes such as nuclear circuit flushing, cold test and so on.
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