. . . . . . Частота электросети . . UCTE(Swissgrid ) ??dt ??49a mon_fig . . . . . . . .

cd jav19a/Ser190112
javac -classpath .:classes:../pi4j12/lib/'*' Ser190112.java
sudo java -classpath .:classes:../pi4j12/lib/'*' Ser190112
Frequency ES . . Frequency UA . .
15
https://www.swissgrid.ch//bin /services/apicache?id=Frequency&path=/content/swissgrid/en /home/operation/regulation/grid-stability/jcr:content/parsys/chart
https://www.entsoe.eu/

в пределах 50±0,2 Гц (допустимый уровень частоты) и 50±0,05 Гц (нормальный уровень частоты),

https://www.swissgrid.ch/bin/services/apicache?id=Frequency&path=/content/swissgrid/it /home/operation/regulation/frequency/jcr:content/
parsys/chart_copy