Siemens bags $ 1 billion order for Saudi power plant

Siemens has received an order valued at over 1 billion U.S. dollars to supply key components for the IPP Qurayyah combined cycle power plant (CCPP) in the Kingdom of Saudi Arabia. With an installed capacity of 4 gigawatts (GW) it will be one of the world's largest CCPPs, and will supply enough electrical energy to meet approximately one tenth of the country's current power demand for its 28 million inhabitants.

Integrating propane, gas and steam cycles

The Cascading Closed Loop Cycle (CCLC) system discussed in the previous part of this series has several drawbacks that can be fully overcome by applying a modified Organic Rankine Cycle (ORC) system.

Siemens to supply steam turbines for Indian solar plants

Siemens Energy recently won three orders by different customers to supply a total of four steam turbine generator units for solar thermal power plants in Rajasthan, India. The steam turbines of type SST-700, with a rated output of up to 175 MW, are intended for the Godawari, Abhijeet and Diwakar & KVK parabolic trough power plants. With a total rating of 300 MW, these plants will contribute to India's growing electricity demand from solar power when they go online in 2013.

Hydrocarbons in combined cycles

After an overview of the compact models and efficiencies of combined cycle plants in the previous article, the application of hydrocarbons in the Organic Rankine Cycle (ORC) and the Cascading Closed Loop Cycle (CCLC) is discussed here.

Latest combined cycle plants

The combined impact of the gas and steam turbines was discussed in the previous part of this series. In this article, we learn more about the combined cycles and how they can be optimized for increased efficiency and maximum power output.

7FA Dual-Fuel Nozzle conversion

A recent project involved the installation of six Frame 7 Dry Low NOx 1.0 Dual Fuel units in Venezuela, and a decision was made to convert the fuel nozzles from a gas-only unit to a dual-fuel configuration. This decision was taken after determining that the lead time to supply all of the required sets would not meet schedule demands.

Hydrogen fuel blending system for GE 7FA turbines

GE 7FA Gas Turbines equipped with Dry Low NOx (DLN) combustion systems are often deployed in 100% pipeline natural gas applications. Although natural gas is available, some industrial and petrochemical sites prefer to look for ways to utilize process gases produced on-site to reduce plant operating costs.

Double impact: gas and steam turbines

In the previous part of this series, we saw how energy efficiencies of aircraft jet engines jumped, and how significant advancements were made further. In this article, we will discuss combined cycles.

2.5MW condensing turbine generator shipped to HTC campus

A new program: "Turbine Generator Maintenance, Inspection and Repair," which includes the construction and presentation of a 2.5MW condensing turbine generator, was recently started during during TGM's bi-annual Operations and Training Seminar at High Tech Central (HTC) Main Campus, 3800 Michigan Avenue, Fort Myers, FL. Although small, this particular turbine generator is representative of much larger units used in power plants throughout Florida and the US.

Electric vehicles

Every 10,000 miles driven in an electric vehicle (EV) equates to the amount of power needed by one home in the USA for a year, said Donald Karner, President and CEO of electric vehicle (EV) vendor ECOtality North America, at this year’s PowerGen conference.


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