Abstract
Driven by ever-changing business environment, technological innovations and changes of supply / demand markets are very common nowadays. These may create either risks or opportunities to power business operators. CLP Power Hong Kong Limited (CLPP), a power utility in Hong Kong, has therefore developed a systematic approach to ensure high reliability o f the High Vo ltage (HV) cable system wh ile driving the cost down. This paper shares CLPP's approach in three key parts, namely prudent design procedures, strategic sourcing of suppliers and installation management. Riding on the technology advancement of cable industry, HV s limCross-linked Polyethylene(XLPE) cable system is well proven learnt fro m the sound experience in Extra High Voltage (EHV) cable industry. The reduced cable size is beneficial for cable transportation, ergonomics and environ mental protection. The Co mpany's 2-level Strategic Sourcing Model helps source price co mpetit ive yet quality suppliers. W ith in-depth investigation in suppliers' long-term sustainability, the suppliers selected through this model created significant saving to the Co mpany without sacrificing system reliability. Together with the optimised installation and co mmissioning practices, the approach has delivered significant contributions to CLPP, such as maintaining high reliability, saving cost, securing cable material supply, and achieving high safety, health, environ ment and quality (SHEQ) performance.
Highlights
High voltage (HV) cab le system serves the backbone of power network in CLP Power Hong Kong Limited (CLPP)
When developing new components in HV cable system, the procurement team and project team put every possible effort to achieve the objectives through prudent design procedures, strategic sourcing of suppliers and installation management
New generation of HV slim XLPE cable system is developed with similar technology and design stresses to those found in Extra High Voltage (EHV) XLPE cable system (Figure 1)
Summary
High voltage (HV) cab le system serves the backbone of power network in CLPP. Any failure in HV cable system may cause disastrous power interruption. While HV cables have been massively employed in the Co mpany’s transmission grid, effective means to ensure optimized project cost, technically sound design, good product quality and well controlled installation management are of ut most importance. When developing new components in HV cable system, the procurement team and project team put every possible effort to achieve the objectives through prudent design procedures, strategic sourcing of suppliers and installation management. The development of new HV cab le products, sourcing cost-competitive suppliers together with the optimized installation and pre-co mmissioning procedures have delivered significant tangible and intangible benefits. This paper illustrates the impressive development process through
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