Increasing the efficiency of photovoltaic panels using solar tracking systems is a current
topic. The paper presents two types of solar tracking systems, one based on astronomical …

Utilizing huge amounts of cheap wind requires efficient, predictable, environmentally friendly
conversion systems. Vertical-axis wind turbines are an area of less investigated wind energy …

Increasing the efficiency of photovoltaic panels using solar tracking systems is a current
topic. The use of solar tracking systems is a solution, especially in low power applications …

Utilizing huge amounts of cheap wind requires efficient, predictable, environmentally friendly
conversion systems. Vertical-axis wind turbines are an area of less investigated wind energy …

Insistent searches of authors have led to the design and licensing of some advanced
technical solutions for outflow micro hydroelectric power plants. They are based on the …

Benefiting from significant renewable energy resources, Romania has made great strides in
recent years in the field of converting solar and wind energy; in addition to these, hydraulic …