Autor: Piatek, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The application of programmable relays in domestic electrical installations
Autorzy:: Piątek, M.
Powiązania:: https://bibliotekanauki.pl/articles/134829.pdf
Data publikacji:: 2017
Wydawca:: ADVSEO
Tematy:: automation
electrical power
control
automatic switching
programmable relay
PLC
Opis:: The paper presents the possibilities of using automatic switching, as a system for providing uninterrupted power supply in buildings located in the area of frequent interruptions in the power supply or equipped with renewable energy sources. Apart from the idea of the installation the paper presents an example of the program to control various functions of the system and software for visualization by tracking the availability of some power sources, to simulate their readiness for operation. The main focus is on simplicity and intuition in the use of programs that are available to the average user and can be used and modified from home, eg. a notebook or phone. For the analysis we used a fictitious electrical wiring design of a residential building, which is connected to renewable energy sources. Having selected the appropriate equipment and security, we divided the installation into sections of receiving power in terms of the validity of the power, which includes the automatic control.
Źródło:: Technical Issues; 2017, 2; 3-7
2392-3954
Pojawia się w:: Technical Issues
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Selected effects of the use of an external battery with a photovoltaic farm
Autorzy:: Piątek, M.
Powiązania:: https://bibliotekanauki.pl/articles/134742.pdf
Data publikacji:: 2016
Wydawca:: ADVSEO
Tematy:: photovoltaic
power stations
distributed generation
reduction of losses
power system
voltage levels
profitability analysis
energy storage
Opis:: With increased interest in renewable energy sources, such as photovoltaic farms, a number of studies whose aim was the analysis of their positive and negative impact on the power system was carried out. From the point of view of the system operator, the suitable place of installation and the size of such plant in the network can have a positive impact on the value and direction of power flow, voltage levels, the value of the power loss, short- circuit currents and power factor. However, the biggest difficulty in the application of the farm is its unexpected production characteristic which depends mainly on the weather conditions changing randomly during the day. The most desirable case is a period when this farm is capable of being installed in depth of the network to reduce daily peak demand for electricity. The energy from big, centralized plants working in the system must be delivered to the customers at this time, which generates additional costs of starting units, working in short period of time and increases power losses on lines, which must send higher energy values. Accordingly, the sense of use of an external energy storage systems cooperating with photovoltaic installations is clear. For the grid operator, in the case of large PV farm desirable to be able to use the extra energy of the battery power and the ability to use the farm to reduce the afternoon and evening peaks. This may positively affect production costs and transmit additional energy to the system.
Źródło:: Technical Issues; 2016, 3; 93-98
2392-3954
Pojawia się w:: Technical Issues
Dostawca treści:: Biblioteka Nauki

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