Abstract
The article discusses the problem of the determination of savings on active energy as a result of a reactive power compensation. Statutory guidance on the required energy audit to obtain white certificates in the European Union was followed. The analysis was made on the basis of the Polish Law. The paper presents a detailed analytical method and an estimation method taking into account the impact on the line, the transformer and the generator. According to the relevant guidelines in the European Union, the reduction of CO 2 emissions by calculating the saving of active power should be determined.The detailed method and an estimation method proposed for the determination of savings on active energy as a result of the reactive power compensation carried out possess some errors and inconvenience. The detailed method requires knowledge of the network topology and a determination of reactive power Q at each point of the network. The estimation method of analysis is easy in execution, especially if the consumer of energy is the main or the most significant purchaser of electricity in the network. Unfortunately, this latter method can be used only for activities that do not require high computational accuracy. The results obtained by this method are approximate values that can be used for the calculation of economic indicators. The estimation method is suitable for determining the number of white certificates when a power audit concerns a recipient of electricity, the structure of which is a large number of divisions scattered at many different locations in the power system.
Highlights
In Europe, the white certificates are a market tool for improving energy efficiency
White certificates have been awarded to this company
It is assumed that the energy consumption in the year in which the company is applying for white certificates will be at a similar level as in the year when meter measurements were conducted
Summary
In Europe, the white certificates are a market tool for improving energy efficiency. This is document demonstrating energy savings as a result of investments to improve energy efficiency. Among the many energy efficiency improvement measures [7] that make it possible to apply for white certificates, is to limit the flow of reactive power [2]. This action consists in performing size electrical measurements and analysing the location of the compensation devices. The effect of reducing the reactive power is to reduce the active power in the form of energy losses on the power grid
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