Energy storage technology for smart grids

Energy storage technology holds the promise to provide many benefits across the energy delivery value chain — from generation to transmission and distribution (T&D) to end-users. This technology is considered a key component for integration of high levels of renewable energy penetration and as an essential tool for smart, future electricity grids. It has additional benefits, such as, reducing emissions, serving as an alternative to a traditional generation plant, or acting as a tool for demand response, can be captured with the deployment of storage technologies.

Siemens acquires major stake in UK's MCT Ltd.

Siemens has recently acquired Marine Current Turbines Ltd., the UK company based in Bristol, which develops and builds tidal power systems. The worldwide potential for power generated by tidal power plants is estimated at 800 terawatt-hours (TWh) annually. That is approximately 25 percent more than the total power demand of Germany and is equivalent to 3-4 percent of global power consumption. Coastal regions with strong tidal currents like those in the UK, Canada, France and East Asia offer major potential for the utilization of this technology.

Full steam injection in early gas turbines

In the previous part of this series, the first application of steam cooling and its combined cycle efficiency were discussed. In this article, the author writes about some of the early steam injected gas turbines, their overall cycle efficiency and their applications.

NEM bags mega order for PP10 conversion project

NEM has secured the order from Arabian Bemco Contracting Co. Ltd. in Jeddah, Saudi Arabia for 40 unfired dual pressure Heat Recovery Steam Generators (HRSGs) for the PP10 Combined Cycle Power Plant project. These steam generators with integral deaerator are of the vertical gas flow natural circulation type.

Steam cooling helps conserve water

After discussing the ways and means of integrating propane, gas and steam cycles in the previous part of this series, we now take a look at some of the designs that can conserve a considerable amount of water.

Dresser-Rand creates high-density compressor

Dresser-Rand has successfully engineered, manufactured and tested high-density centrifugal compressors for re-injection service. The units, which compress a mixture of natural gas and carbon dioxide, will be installed on floating production, storage and offloading (FPSO) vessels destined for the "pre-salt" fields offshore Brazil.

Capstone continues penetration of Russian oil fields

Capstone Turbine Corporation, a clean-technology manufacturer of microturbine energy systems, recently received additional orders from BPC Engineering for associated gas to energy projects in the Nikolskoye oilfield. Capstone's Russian distributor BPC Engineering is supplying the equipment for the second stage of the distributed microturbine power station at the Nikolskoye oilfield owned by Bogorodskneft, a subsidiary of Jukola-neft.

GE’s TS1000 coalescer

GE recently announced at POWER-GEN Middle East, in Doha, Qatar, the availability of its new GE TS1000 coalescer, a gas turbine filtration product that delivers improved plant performance and lower maintenance costs to customers operating power generation facilities in harsh conditions near coastal environments. The new TS1000 will not need to be replaced as frequently due to its media, which allows sand and dust to pass through, therefore not clogging the coalescer.

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.


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