Client : China Geo Engineering Corporation
Assignment : MV Protection Coordination Study, Testing & Commissioning of Storm Water Pumping Station : St. Sebastian North Lock Gates and Pumping Station (NLGPS), Wellampitiya, Sri Lanka
Upon invitation of project contractor (China Geo-Engineering Corporation Sri Lanka), APCL involved in conducting Testing & Commissioning of 11 kV & 3.3 kV Medium Voltage Installation including a Protection Coordination Study.
Without limiting to general T&C scope, APCL consultant Eng. Kaushalya Alpitiarachchi together with Eng. Laksith Sirisena conducted an in-depth Visual Inspection on MV system to identify the areas requiring improvements prior to commercial operation.
Tests conducted:
- Dielectric Withstand Voltage (HiPot)
- Interlock scheme validation
- HV insulation resistance
- Contact resistance of VCB & busbars
- Performance of Protection Relays
The comprehensive Protection Coordination study was conducted with licensed ETAP software & with beyond-simulation review by APCL’s consultants.
Project Period : 2021 February/March
![Medium Voltage Commissioning of Storm Water Pumping Station](https://apcl.lk/wp-content/uploads/2021/06/NLGPS-2-e1624812258495-1024x937.webp)
![](https://apcl.lk/wp-content/uploads/2022/06/IMG_20210219_113840-1024x578.webp)
![](https://apcl.lk/wp-content/uploads/2022/06/IMG_20210219_110256-1024x578.webp)