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136   From smart grid to internet of energy





                          Application  type     distribution  MV  networks






                          Voltage/frequency  range  Hz-  kV/30  3.6–6  100 MHz  kV/30 Hz-  0.6–1  100 MHz  8.7–15 kV/1–  20 MHz




                      applications—cont’d  (b)  60245,  (c)  HD  6622,









                      PLC    specification  IEC 60502-1,  BS  1429.1
                      in          50264  TICW/02-2009  IEC60502-2,  AS/NZS
                      utilized  Standard  IEC  (b)  EN  (c)  (a)  620  (b)


                      examples  area



                      cable  Cross  sectional   50–150 mm 2

                      underground    [70]       [71]  [72]  AL





                      practical  type  Cable  [69]  PB  (b)  XLPE  (c)  NA2XSYR  (a)  3x120  (b)



                      Several


                      4.3  Cable  length        500 m
                      TABLE  No.                6
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