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4Connected Bosch solutions reduce energy consumption
At Light + Building 2016, the world’s leading trade show for building technology in Frankfurt, Bosch is presenting smart product solutions for private and commercial buildings. Two of these solutions automatically help save energy.
With its Energy Platform, Bosch has developed a monitoring and analysis system that increases energy efficiency in commercial buildings, such as offices or production facilities. In addition to this, users can access real-time data to find out how much energy their devices and equipment are using – and thus assess the related costs. At the same time, intelligent algorithms can detect deviation from the target status. If a target value has been exceeded or there is a system malfunction, a warning signal is issued. Besides this, the platform recommends solutions to problems and, in some instances, automatically implements them. With the intelligent networking of heating, cooling, and ventilation systems, energy consumption –and thus also CO2 emissions – can be reduced by up to 30 percent.
Bosch also offers a solution for homeowners: the Smart Home Controller not only connects a range of household items with the internet, it also enables them to “communicate” with one another. For instance, with the help of the window contacts, the system automatically turns down the heat when a window is opened. Lights and other household appliances also become intelligent energy-saving devices via the centralized control unit, which also makes it possible to control household devices remotely.
More information on energy efficiency in commercial buildings can be found here.
At E-World 2015, Bosch presented several solutions that promote greater energy efficiency
Around the world, up to 50 percent of the power generated largely with fossil fuels is lost as waste heat. Increasing energy efficiency is thus not only a question of enormous cost savings; it is also an opportunity to significantly reduce global CO2 emissions and conserve resources.
Organic Ranking Cycle (ORC) systems make it possible to use waste heat in a productive manner. ORC is a thermodynamic process that generates power with the help of a refrigerant, even at low temperatures. The systems can be used in any situation where large quantities of waste heat are generated, for instance in industrial processes that use hot water or steam. With its ten years of experience in the development of ORC applications, Bosch is among the pioneers in the area of waste heat recovery.
In addition to modern technology, Bosch also offers its industrial customers a range of services to increase energy efficiency. These services focus mainly on determining the areas of production that consume particularly high levels of energy, and where energy efficiency technology should be best applied. They include the Bosch Energy and Building Solutions (BEBS) energy platform. The company makes data and support tools available in real time. These allow customers to keep a constant eye on their energy consumption and costs. BEBS experts identify savings potential and optimize the energy needs of commercial buildings. To this end, they examine space and process heat, cooling, air conditioning, compressed air, and lighting. In so doing, they achieve average energy savings of 20 percent.
More information on ORC systems can be found here
More information on the Bosch Energy and Building Solutions energy platform can be found here
With a photovoltaic system, Bosch is helping people in India help themselves
by Frederike Preiß
Ramesh Thangavelu’s shoes are leaving deep footprints in the wet ground. The Bosch engineer has never seen the mountains around Darewadi so green and wet. The settlement, which counts 40 houses, is located at the end of a long valley in the western Indian state of Maharashtra. Toward the end of the monsoon season, rice farmers have their hands full with picking the long blades of grass from the field. Mother nature sets the pace. People get up at sunrise and come home from the fields at dusk. They still live the same way their ancestors did, and yet suddenly a lot has changed in Darewadi. Just recently, Ramesh had walked for two kilometers to reach the village. He and his Indian Bosch colleagues had built a 9.3-kilowatt photovoltaic system on the outskirts of the difficult to access settlement. And now there is light in Darewadi. The engineer has returned to check whether the system is functioning as it should. He scans the modules with a thermal imaging camera. “Everything’s perfect: the batteries are at over 98 percent in early afternoon.”
According to official figures, over 100,000 villages on the Indian subcontinent are not connected to the power grid. A village is considered electrified if one in ten houses has a light switch. The Bosch Energy and Building Solutions division (BEBS) develops projects for the Indian market that focus on renewable sources of energy and their efficient use. Sources not only include solar energy, but also process energies such as mist, frost, or compressed air. As energy demand continues to increase, demand for innovative concepts is also growing. Solutions are needed in industry, for instance also at Bosch plants, and in rural areas like Darewadi.
“A lot has to be clarified before a village really gets electricity,” says Ramesh. Once systems have been set up, village residents should be able to maintain it themselves, make small repairs, as well as earn and manage the funds required to do this. “Connecting a village to the grid is helping people help themselves.” In Darewadi, the project has succeeded, and residents feel responsible for their own system, the foundation of which they laid themselves. They appreciate the light bulbs that keep their huts lit long after the sun quickly sets at 6:30 p.m. The light makes the everyday lives of farmers easier. “We can work in the fields longer because we can now do our cooking and washing at night,” says the 32-year-old Lahu. His children no longer need to study with light from expensive and dangerous kerosene lamps.
On Ramesh’s last trip to Darewadi, everything was dry, dusty, and grey. How will it look next time he comes around? “I don’t know when I’ll be back, but this definitely isn’t the last time.” The project is ongoing.
More information about Bosch’s CSR activities in India can be found here
Most industrial buildings could increase their energy-efficiency.
Michael Blichmann, general manager of Bosch Energy and Building
Solutions GmbH (BEBS),
explains which parameters companies have to adjust to systematically lower their energy consumption.
What is the energy efficiency situation in German companies?
Some manufacturers have already been able to achieve a remarkable level of efficiency, particularly in production. But there is still considerable potential to be harnessed in ancillary processes such as heating, cooling, compression, and ventilation. Many of these processes have seen very little invested in them over the past few years.
Can you put a number on the savings potential?
We generally work on the assumption that energy consumption for any existing building can be trimmed by at least 20 percent.
Why weren’t such steps taken long ago?
Not only have dramatic rises in energy costs escalated the urgency of the situation, but also technical solutions are available today that didn’t exist a few years ago. Thanks to these technological advances, we can unlock new potential for greater energy efficiency in our customers’ operations. At the same time, power supply systems are becoming more and more complex. That’s why companies, especially medium-sized companies, are looking to entrust this aspect of their business to a specialist service provider – leaving them free to devote their time and resources to what they do best.
What has changed in this sector to make things so complex?
The ranks of devices and systems connected with one another via the internet are swelling. In our business, the internet of things and services is a growing phenomenon. In the coming years, these networks will give rise to many more solutions and services geared to increasing energy efficiency. In the case of facilities that require a constant supply of electricity, acquiring a dedicated power plant, for example, should be seriously considered – especially as the plant can be precisely tailored to the customer’s needs.
What kind of rates are those?
They depend on total demand. Electricity is very expensive during peak hours, but it becomes more affordable at night. This is the energy industry’s way of attempting to flatten out the spikes in demand. We can take advantage of these rates today because we are able to precisely meter and control current the electricity, heating, and cooling requirements in a building at any given time. At times when electricity prices are high, certain equipment can be switched off and then put back into full operation when rates drop at night. This calls for legislators to act as well – such rates are legally permissible but they are still not being offered everywhere. A considerable amount of potential is squandered here.
In the domestic construction sector, we have passive houses and even houses that produce more energy than they use. Are factories that are self-sufficient in their energy needs conceivable?
Absolutely. There are an increasing number of sites and companies that have made their production CO2-free or are powered entirely by renewable energy. Both large and small companies have already set this as as their goal, for example for power or heat, or because it allows a particular product to be marketed as having a small “carbon footprint.” By systematically using every available option for saving and regenerating energy, this already works quite well.
The full interview with Michael Blichmann can be found here