www.PowerEngineeringInt.com 1 Power Engineering International June 2017
POWER ENGINEERING INTERNATIONAL
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Repairing large gas turbines - p12
2 Africa’s ‘energy tetralemma’
Due to its energy ‘tetralemma’, Africa is at the forefront of
creating a unique hybrid energy supply system.
4 Can blockchain save the energy sector?
A new consortium aims to speed up the development of
blockchain technology for use in energy applications.
8 Polymeric solutions for renewables
Polymeric materials are now able to solve many
windpower maintenance problems.
12 Gas turbine repair focus
Explaining the processes and state-of-the-art equipment
involved in repairing large modern gas turbine rotors.
14 Water use: A growing imperative in power
In coming years, power companies will need to become
more strategic and aware of water usage.
18 Technology profle: Modular hybrid solar
A hybrid power and heat installation has a twist that its
developers say gives it an edge for off-grid locations.
21 Q&A: Gas and steam turbines
The trends in gas and steam turbines and how both
technologies and markets are developing.
24 Fixing cooling tower gearbox pain points
The role of gearboxes in addressing a variety of cooling
tower service issues, whether scheduled or unplanned.
26 Gas turbines: inlet fogging + wet compression
Why gas turbine operators can realize big economic
benefts from evaporative fogging and wet compression.
28 SOX emissions control: Dry sorbent injection
Why dry sorbent injection is a viable option to be
considered for SOX emissions control.
On the cover
Cover design: Ross Tucker
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