Using automated evaluation of efficiency for photovoltaic power plant

Tutsch, Michal; Vojcinak, Petr; Koziorek, Jiří; Skrepek, Michal

doi:10.1109/etfa.2011.6059189

Cited by 5 publications

(3 citation statements)

References 3 publications

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“…The algorithm of searching for the minimum and maximum value of the parameter and their display together with their time in the correct order is the reduction of the data. [3]…”

Section: Application For Evaluation Of the Measured Datamentioning

confidence: 99%

Hybrid Power System Power Flow Analysis

Bilík¹,

Manas²,

Žídek³

et al. 2013

EPE

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Hybrid power supply system consists of a number of independent and different sources of electrical energy with different operating times during different seasons and with energy storage system. Deployment of a hybrid power system is expected in places outside the normal distribution network. For the further research and improvements it is necessary to know in detail the power flow from various sources to the load or to storage battery depending on different seasons. The paper presents data analysis results computed by application developed for detailed analysis of power flows within hybrid power system. Developed application analyses the data from the monitoring system. Data has been acquired and recorded within last year. This data is visualized as power flows in the individual hybrid power system circuits. Together with electrical power the effectiveness and performance parameters of rectifier and DC/AC converter are evaluated. The paper describes achieved results and needs for further improvements of such solution.

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“…The algorithm of searching for the minimum and maximum value of the parameter and their display together with their time in the correct order is the reduction of the data. [3]…”

Section: Application For Evaluation Of the Measured Datamentioning

confidence: 99%

Hybrid Power System Power Flow Analysis

Bilík¹,

Manas²,

Žídek³

et al. 2013

EPE

Self Cite

View full text Add to dashboard Cite

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“…This results in 2,400 samples × 10 bit = 4800 bytes of RAM memory. This is a relatively high number which led us to use external SRAM IC communicating over the SPI interface [ 9 ]. To simplify and speed up the process of reactive power evaluation, a hardware circuit (which can detect passage through the zero for voltage and current running) was added.…”

Section: Analyzer Designmentioning

confidence: 99%

Real Time Voltage and Current Phase Shift Analyzer for Power Saving Applications

Krejcar

Frischer

2012

Sensors

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Nowadays, high importance is given to low energy devices (such as refrigerators, deep-freezers, washing machines, pumps, etc.) that are able to produce reactive power in power lines which can be optimized (reduced). Reactive power is the main component which overloads power lines and brings excessive thermal stress to conductors. If the reactive power is optimized, it can significantly lower the electricity consumption (from 10 to 30%—varies between countries). This paper will examine and discuss the development of a measuring device for analyzing reactive power. However, the main problem is the precise real time measurement of the input and output voltage and current. Such quality measurement is needed to allow adequate action intervention (feedback which reduces or fully compensates reactive power). Several other issues, such as the accuracy and measurement speed, must be examined while designing this device. The price and the size of the final product need to remain low as they are the two important parameters of this solution.

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“…It also starts the charging. Such sun conditions are normally reached in a real outside environment [12,13].…”

Section: Testingmentioning

confidence: 99%

Optimized Solar Energy Power Supply for Remote Wireless Sensors Based on IEEE 802.15.4 Standard

Krejcar¹,

Mahdal²

2012

International Journal of Photoenergy

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Powering of intelligent wireless sensors without a permanent electric connection is a general problem which is often solved by adopting alternative power sources. One of the most commonly used sources is solar energy in the form of solar panel and charging circuits. However, it is not possible to find a solution in the markets for operation in changeable weather conditions, where sun intensity is not so high. This fact leads us to the development of optimized solar panel and all circuits for reliable power supply of wireless sensors. A special charging circuit for Li-ION battery and DC-DC adapter circuit for stabilization of wireless sensor working voltage were developed and optimized for very low energy consumption and high efficiency.

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Using automated evaluation of efficiency for photovoltaic power plant

Cited by 5 publications

References 3 publications

Hybrid Power System Power Flow Analysis

Hybrid Power System Power Flow Analysis

Real Time Voltage and Current Phase Shift Analyzer for Power Saving Applications

Optimized Solar Energy Power Supply for Remote Wireless Sensors Based on IEEE 802.15.4 Standard

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