Design and Energy Estimates for Wind Farms
Wind power generation is becoming increasingly common in the portfolio mix of many utilities around the world. Wind turbines are…
Renewable Energy and Energy Storage Systems in Rural Electrical Power Systems: Issues, Challenges and Application Guidelines
Today renewable energy, global energy sustainability and climate change is a very common topic of discussions in the media, politics,…
Solar PV Power Plant Underground Cable Sizing Case Study
A solar photovoltaic (PV) power station located in Arizona was studied with the goal of comparing the pre-installation engineering analysis…
On the Use of the Law of Times in Calculating Soil Thermal Stability and Underground Cable Ampacity
An underground cable carrying current must dissipate heat to the surrounding soil. The rate at which this heat can be…
How to Include Soil Thermal Instability in Underground Cable Ampacity Calculations
The heat produced by underground cables can cause the soil surrounding the cables to dry. This drying causes a change…
Engineering the Thermal Resistivity of Concrete Duct Banks
Underground conduit is often surrounded by concrete in the form of a concrete duct bank. This is done to protect…
The Effect of Underground Cable Diameter on Soil Drying, Soil Thermal Resistivity and Thermal Stability
Any cable carrying current will generate heat that must be removed from the cable vicinity or the cable can quickly…
Cable Ampacity Calculations: A Comparison of Methods
Using accurate cable ampacities is critical to electrical power system design. An optimally sized cable results in minimum cost and…
An Accurate Method of Determining Conductor Short Circuit Withstand Capability
When designing an underground medium voltage (MV) collection system for a wind or solar project, the engineer must consider the…