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A Practical Approach for Cost Reduction of Air Insulated Substations by Eliminating Over-Designs

Publish Year: 1392
Type: Conference paper
Language: English
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Document National Code:

PSC28_315

Index date: 15 May 2014

A Practical Approach for Cost Reduction of Air Insulated Substations by Eliminating Over-Designs abstract

Substations are critical parts of the transmission system and act as switching points between power stations and regional electricity distributors. Air-Insulated Substations (AIS) represent in many countries the bulk of substations. Construction of new AIS and retrofitting the existing ones require significant investments. Reducing the cost of building or retrofitting the existing substations is a key driver. However, it is difficult to achieve such goal while improving the service levels. In many cases, the ratings of substation equipment are selected beyond the standard requirements, which result in overinvestment. In thispaper, it has been recommended to eliminate such over-designs to reduce the cost of AIS. It has been shown that significant cost savings can be achieved by selecting the most cost effective equipment, which will satisfy the standard requirements, whilst reducing investment

A Practical Approach for Cost Reduction of Air Insulated Substations by Eliminating Over-Designs Keywords:

Air Insulated Substations (AIS) , Cost Reduction , Over-design , Substation Simplification

A Practical Approach for Cost Reduction of Air Insulated Substations by Eliminating Over-Designs authors

I. Niazy

Touss Power Plant, Mashhad, Iran

M. Ghalenovi

Design Unit, Moham-e-Shargh Group, Mashhad, Iran

A. Dehghan

Design Unit, Moham-e-Shargh Group, Mashhad, Iran

H. Mortazavi

Khorarsan Regional Electrical Company, Mashhad, Iran , Quebec University (ETS), Montreal, QC, Canada