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After an invitation to tender on the 12th November 2010 for the Replacement of the Control and Instrumentation System on Units 1 to 6 at Duvha Power Station, the Siemens EFIE business unit successfully concluded the negotiations and was awarded the contract. Duvha power station is a coal fired power station built between 1978 and 1984, near eMalahleni (Witbank) in Mpumalanga. It has six units each with a sent-out capacity of 575 MW, so as a base load station it represents 3450 MW on the national grid… (more)
In the future, smart buildings will adjust their electricity consumption to fluctuating supplies of solar and wind power automatically. A recent study demonstrates the technical feasibility of this approach. Wind facilities now account for roughly 7% of all the electricity generated in Germany, with almost 2% obtained from solar generation. Over the last few years, wind parks in the North Sea have been shut down repeatedly due to strong winds that threatened to overload the local grid… (more)
A lighting system that combines fibre optics with LED technology. The trick is to balance these two sources to achieve the colour and light intensity of sunlight. According to legend the citizens of the town of Schilda – the Schildbürgers – built a new city hall but forgot the windows! To brighten up the interior, they collected daylight in cooking pots and carried it into the building. This of course, wasn’t very effective!… (more)
Streetlights that use light-emitting diodes (LEDs) cut electricity consumption by up to 80%. Not only are LEDs efficient; their light can also be directed optimally. A stroll after dark in the historic city center of Regensburg, Germany, raises a question. Do modern LED streetlights fit in harmoniously in the narrow medieval lanes of a World Heritage Site city?… (more)
Join leading manufacturers, producers, solution providers, end users and industry players at MESA Southern Africa’s second user forum to be held at Siemens Midrand on 4 August 2011, with registration and lunch starting at 12h00… (more)
Organic LEDs (OLEDs) are extremely thin and lightweight surface-emitting lights that will radically change the way we provide illumination. Although mostly confined to labs, OLED technology is moving toward commercialisation… (more)
Although a mature technology, combined heat and power (CHP) is in demand more than ever, thanks to its ability to cut costs, energy consumption, and greenhouse gas emissions… (more)
Siemens’ Technology-to-Business centres are providing support to a range of young companies. Available products include LEDs capable of outshining metal halide lamps, PV panels that use one tenth the silicon of conventional models, battery-powered vehicle detection systems that last ten years, and an efficient transmission… (more)
Light emitting diodes (LEDs) have a reputation for running cool. Touch one and all you’ll feel is a serene glow. But just try and pack dozens of them together in a tight space and they’ll get so hot that they can burn out within seconds… (more)
The market of electrical installation in residential building is very price sensitive. If you cannot differentiate your offers and services from your competition, you could struggle to survive… (more)
Satellites collect measurements that provide insight into volcanic eruptions, earthquakes, and climate change. Siemens is developing special test systems designed to download the huge volumes of data gathered by these costly scouts back to earth… (more)
Twenty logic control units have been donated to Pretoria Tuine Technical High School. The units are ideally suited to an educational setting, being essentially a step between conventional electronic components and programmable logic controllers (PLCs)… (more)
Celebrating 150 years in the country this year, Siemens is turning it eyes towards South Africa’s future beyond 2010. As a frontrunner in its commitment towards the environment, South Africa plays a key role for Siemens in the development of the African continent. “We have built a sustainable business based on 150 years of strong relationships with our South African customers and we are striving to expand our partnership with the countries of Southern Africa,” says Stuart Clarkson, CEO of Siemens Southern Africa, on the occasion of the company’s anniversary festivities… (more)
Could better sensor control have prevented the recent Gulf of Mexico oil spill? This was put to Rolf Panzke of Siemens, Germany, when he presented his keynote address at the Siemens TIA User Forum held in Johannesburg during May 2010… (more)
Sonar proximity switches have a characteristic called a “blind zone”. The size of this zone has implications for the size and the accuracy of the sensor. The space requirement of a sonar proximity switch in a machine or plant is mainly determined by its blind zone. The switch must be installed at a location that is set back by the length of the blind zone from the detection range to ensure reliable detection of the close-up range… (more)
On the shores of Lake Victoria, people have been using kerosene lamps to catch fish and light their homes for generations. But this dirty fuel poses a serious threat to health and the environment. A pilot project is being conducting that offers local residents energy-saving lamps that provide a clean, safe lighting source far from power grids – without straining household budgets… (more)
Customers expect products to function reliably, but ensuring that they do so under all conditions is anything but a trivial matter. Consider, for example, the gear train assemblies in wind parks and in large-scale drives in cement mills. In the case of wind parks, insurance companies insist on online monitoring, particularly if these facilities are in hard-to-reach areas such as the North Sea. In such cases, an electronic condition monitoring system is indicated… (more)
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