Depending on the European Union's 20-20-20 target (20% of energy will be produced from renewable sources in 2020, 20% CO2 emissions will be reduced and energy consumption will be reduced by 20%); EU member states and candidate countries have begun the necessary infrastructure work to reach the smart networks of the future. The mental network trend has started not only in Europe, but also in many countries. In this article, I will try to address the connection of renewable energy sources to smart networks.
When we look at the definition of smart networks; It is a green power system consisting of many transmission and distribution systems, each of which is subject to scada and automation, where efficient, reliable and distributed production centers can work in sync."
"Fault detection and emergency situations; it is a power system with self-healing capabilities that is projected to meet the needs of production/transmission/distribution private companies and the energy market."
"In a time when millions of customers who are in service can become active and need electronic technologies that continue to evolve rapidly; it is an environmentally friendly power system with information technology infrastructure that enables reliable and adaptive information flow in real time." We are encountering definitions.
Of course, all the definitions mentioned above apply to smart networks; but what all these definitions have in common is that it is a power system that pollutes the environment less and is more efficient. However, some of the definitionists; smart grid as enernet.
This is of course one of the features expected from the smart grid; but not the whole.
The following benefits from a power system in the structure of the smart grid;
- Increased energy consumption in the global sense and low renewable energy sources and the greening of smart grids technology,
- In electricity generation by making distributed productions synchronized and efficient; to enable more efficient use of fossil resources by increasing the use of renewable energy sources,
- Reduction of losses as there will be a power system that can be monitored, controlled and controlled at every point from production to consumption,
- To provide consumer efficiency by better controlling the electricity usage and costs of consumers and for manufacturers to determine demand more accurately,
- With the use of advanced monitoring, diagnostics and information technologies; to increase the potential and performance of the elements used from production to consumption to the highest levels, to increase the efficiency of the elements,
- Integrated monitoring and control centers and energy companies to use their resources more efficiently and reliably,
- Thanks to digital communication, smart networks; to ensure that the system starts working again as quickly as possible in the moment of human error or failure caused by natural disasters,
- Two-way communication will be provided with Smart Meters and energy management programs; computers, phones, in short, can be accessed and controlled at any time on the Internet,
- Providing instant real-time communication with customers of electricity providers; (For example, with the notification of an increase in the price of electrical units coming to your mobile phone or email during the day, you can put the dishwasher in your home on hold, turn off your air conditioner, in short, save money by checking the electronic devices in your home, and distribution companies will be free of unnecessary loads.)
Able to generate electrical energy to smart networks; (wind turbines, wave turbines, tidal turbines, discharge turbines, solar batteries, existing power plants, etc.) all production units will seamlessly integrate into the integrated system and advanced control equipment will create a much more efficient and environmentally friendly power system. In the near future, the use of renewable energy sources will not happen very quickly; however, the transmission and distribution systems will be ready for them through smart networks.
Moma Smart Grid application in Germany:
Germany; state policy, with the will and support of local people, is leading the way in the use of renewable energy sources and connecting to the grid according to the goals set by the EU assembly. Distribution of Germany to energy production resources in 2010; It includes 42% coal, 23% nuclear, 13% natural gas, 17% renewable sources, and 5% small strong fuel sources.
Due to the pressure of the greeners, accidents caused by Chernobyl and Fukushima nuclear plants around the world, the German government has decided to gradually give up nuclear power plants; However, in doing so, instead of manufacturing new large power plants to meet the growing energy needs, he concentrated his work on a grid structure that would allow small power plants to connect to the grid.
Targets provide 20% of energy production from renewable sources in 2020, reduce CO2 emissions by 20%, consume 20% less energy.
When these targets are examined, 20% CO2 reduction can be defined not only as electricity generation share but also as reducing emissions from traffic throughout the country by turning to electric vehicles, consuming 20% less energy, energy efficiency, effective use of existing power plants without the need for additional power plant construction using load management systems, increasing resource diversity with the integration of 20% renewable resources into the system, as well as reducing transmission and distribution losses by ensuring that electricity is consumed at the point where it is produced.
The ratio of technical losses in our country is seen as 14% when viewed as the total transmission and distribution. When looking at the total electrical energy produced in our country in 2010, 210.181 GWh of electrical energy was produced. 29,425 GWh of this energy produced was spent on losses.
Considering that Keban's annual electricity production is 6,000 GWh, approximately 5 Keban plants in our country only work to cover losses in transmission and distribution. Therefore, it is predicted that if electricity is produced where it is consumed, the technical loss on the lines will be 40.
Renewable energy sources, on the other hand, are predicted to respond to only 4% of global electricity needs; however, the energy obtained from these 4% renewable energy sources will be used at peak points during the day, which is considered to be more efficient, more flexible and reliable despite the increase in demand.
Energy Production Forecasts from Renewable Sources
Many energy producers have started to look for ways to make accurate estimates of energy from renewable energy sources, day, hour, minute clarity, weeks in time.
Dr. Bruce Bailey, president and CEO of AWS Truepower, said, "The predictive methods that forecasters will monitor and develop the amount of energy that can be obtained mean that there will be another improvement in smart grids." In September 2010, the AWS Truepower match-up was funded by the U.S. Department of Energy (DOE) for $2.15 million. With this finasman, the company will be spent developing, distributing and managing the observation campaign of advanced forecasting methods to be used in the Texas State Electricity Trust Council, electric reliability council of texas (ERCOT).
In addition, these funding and campaigns will develop tools that will allow it to realize estimates of where and how much electricity will be produced from the right wind energy, and operators will be trained to interpret this data.
Bailey, i'm going to have As a result of R&D studies by AWS Truepower; wind farms can be made available for more stable use and with this project they can reshape the low voltage system, he said.
As a final word, Bailey, i'm going to need you to help me "In fact, it has shown that the integration of renewable energy sources into smart grids is critical to the "forecasting" future. The certainty of production forecasts from edible sources will, in turn, reduce application costs and energy costs.".
All these studies use renewable energy sources efficiently; the preparation of the network infrastructure and the production forecasting methods to give precise results.
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Air-driven, tariff-free, renewable energy sources require new operational procedures. The power system, which can be operated according to the needs of conventional fossil fuel plants, is designed with this in mind the current power system operating procedures.
In fact, the strongest solution for the active use of renewable resources is to be able to model weather forecasting with the management of my entire design. Long-term records can be obtained for this.
This annotation can be analyzed in 40-year climate change days and days, hours and hours of the local region, for example, to profile metorology and achieve the capacity of the region's resources such as hourly wind and solar.
While this level of detail can be precise for small energy systems, large production facilities (or too many small production facilities connected to the local grid) may not be certain; however, this information will be effective in the development and elimination of missing situations, the roadmap to be followed in intelligent network system design, operating permissions and procedures of small production facilities.
NOTE; The summary of this article was published in the April issue of "energyworld" magazine.
Resources can be used to create a new
 ELECTRICITY DISTRIBUTION NETWORK OF THE FUTURE SMART GRAY, Kürşat TANRIÖVEN, Serdal YARARBAŞ, Hadi CENGİz Kayseri and The Surrounding Elk.T.A.S. Firat University Electrical and Electronics and Computer Symposium 2011