|
|
LIMITED VALUES OF TECHNICAL PARAMETERS
|
Area
|
Quallity of electrical energy
|
EMC
|
|
Organisation
|
CENELEC
|
EDF
|
Eskom
|
IEEE
|
CENELEC
|
|
Recommendation
|
EN 50160
|
Contract émeraude
|
ESKASAA 18
|
IEEE 519
|
IEC 61000-2-2
|
Area of use
|
NN i SN
|
SN
|
-
|
SN i VN
|
NN
|
|
Voltage changes
|
± 10 %3
|
± 5 %
|
± 10 %
|
-
|
± 10 %
|
|
Dissymmetry
|
2 %(3 %)
|
2 %
|
2 %
|
-
|
-2 %
|
|
Higher harmonics
|
0,5 – 6,0 %
(table)
|
0,5 – 6,0 %
(table)
|
EPCC
|
< 69 kV 3 % ²
|
0,2 – 6,0 %
(table)
|
|
< 161 kV 1,5 % ²
|
|
> 161 kV 1,0 % ²
|
|
THDU
|
8 %
|
8 %
|
6 %
|
< 69 kV 5 %
|
8 %
|
|
< 161 kV 2,5 %
|
|
< 161 kV 1,5 %
|
|
Between harmonics
|
-
|
-
|
EPCC
|
|
0,2%
|
|
Signal voltages
|
bordered with
curve
|
-
|
-
|
-
|
-
|
|
Flicker
|
Plt=1
|
Plt=1
|
Plt=1
|
border curve
|
UIE-curve
|
|
Interruptions (short)
|
10 - 100
per year
|
2 - 36
per year1
|
-
|
-
|
-
|
|
Interruptions (long)
|
10 - 50
per year
|
2 – 6
per year1
|
-
|
-
|
-
|
|
Voltage collapses
|
10 - 1000
per year
|
-
|
table
|
-
|
1 – 4
monthly
|
Frequency in connected networks
|
± 1 %
(+ 4 / - 6 %)
|
± 1 %
|
± 2,5 %
|
-
|
± 1 Hz
|
Frequency in use
|
± 2 %
(± 15 %)
|
+ 4 / - 6 %
|
-
|
-
|
-
|
|
Network overvoltages
|
NN: < 1,5
kV
SN: < 2 Un
|
-
|
-
|
-
|
-
|
|
Transiental
Overvoltages
|
NN: < 6 kV
SN
|
-
|
-
|
-
|
-
|
|
| TESLA SISTEMI |
| The team on the field |
 |
|
|
|
ISO 9001
|
|
ISO 14001
|
|
ISO 18001
|
ISO 20000
|
|
ISO 22301
|
|
|
ISO 27001
|
|
ISO 50001
Control Certificate
|
|
Energy Compensation
Guide for designers
