Annual maintenance record_Maintenance & Training_Services_C-EPRI

C-EPRI Electric Power Engineering Co., Ltd.

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Maintenance

Annual maintenance record

No. Year Project Converter
station
Work
undertaken
1 April 2013 Ningdong-Shandong ±660kV HVDC transmission project Jiaodong Station (Shandong side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Whole valve cleaning
2 April 2013 Ningdong-Shandong ±660kV HVDC transmission project Yinchuan Station (Ningdong side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Whole valve cleaning
3 February 2013 Three Gorges-Shanghai ±500kV HVDC transmission project Fengjing Station (Shanghai side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Inventory verification of spare parts and components
4 February 2013 Three Gorges-Shanghai ±500kV HVDC transmission project Tuanlin Station (Three Gorges side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Inventory verification of spare parts and components
5 October 2012 Sino-Russia HVDC back-to-back project Heihe Station
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Whole valve cleaning
6 May 2012 Lingbao II HVDC back-to-back project Lingbao Station
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Whole valve cleaning
7 April 2012 Three Gorges-Shanghai ±500kV HVDC transmission project Fengjing Station (Shanghai side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Inventory verification of spare parts and components
8 April 2012 Three Gorges-Shanghai ±500kV HVDC transmission project Tuanlin Station (Three Gorges side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
9 April 2012 Ningdong-Shandong ±660kV HVDC transmission project Jiaodong Station (Shandong side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels
  • • Whole valve cleaning
10 April 2012 Ningdong-Shandong ±660kV HVDC transmission project Yinchuan Station (Ningdong side)
  • • Valve and VBE inspection
  • • Single level test of all thyristor levels

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