Renewable energy source (RES)
A natural source of energy with partial or complete recovery capability in a relatively short period of time. The time perspective is important here, because coal and oil could be restored, but no one has so much time. Typical RES are wind, water, sun and biomass. When there are pumped such sources, a load factor of nature is also important, for example, when biomass can have unintended impacts on other qualities of nature.
Description of the situation
Draining fossil resources has caused considerable damage to nature in the past and their stock will come to an end. Nuclear power is a solution, but with the risks that some states are unwilling to bear. With the rising level of technology, we have come to a situation where RES can be used more efficiently and thanks to the support of these technologies, this process can be even accelerated.
The problem of RES is their uneven level over time, therefore, an important part of the solution is the storage of these energies up to the time of consumption. We are still waiting for significant technological breakthrough in both battery and solar cell efficiencies, which would shift the project implementation economics into more effective values, however dealing with solutions related to these topics is generally very important.
ELVAC RTU solution
Czech Republic experienced so-called solar boom in the past, when many owners of solar (photovoltaic) power plants needed a connection to a power distribution network according to the requirements of power distribution companies not only in Czech Republic, but also in other countries (ex. CEZ Distribuce, E.GD (group E.ON), PRE, ZSD, SSD, VSD, ERM ZAPAD). ELVAC RTUs are fully compliant with these requirements and so thousands of solar monitoring and control systems are currently operating on our devices. There are far less installations at wind farms due to the small number of these RES in our country compared to the neighboring states and other installations are also in hydropower plants and biogas stations. The advantages of ELVAC RTU are:
- complete solution in one device for communication with dispatching centers, data acquisition, measurement and power control,
- possibility of usage on the electricity producer side or on the distribution company side,
- cooperation with other systems, such as Ripple control, protection relays, etc.
