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2) A standard program re-using the thresholds planned for the project of a Standard called
"Emeraude".
Standard
name
: EMERAUDE A
Voltage transformers TP
: 1000V / 100V.
Current transformers TC
For TRIDENT H/I : 500 A / 5 A.
For TRIDENT H/V : 100 A/ 1V.
Voltage measurement type
: simple.
Nominal primiry voltage
: 850V.
Primary subscribed crurent
: 500A.
Duration of measurement integration
: 10 mn.
Harmoniques numbers for memorisation
: 3 - 5 - 7.
Reference for the THD :
Nominal voltage.
Reference for the les voltage harmonic rates :
Nominal voltage.
Reference for the TDD :
Subscript current.
Reference for the current harmonic rates :
subscript current.
Threshold of THD
: 8%
Threshold of TDD
: 8%
Thresholds of the voltage harmonic rates
Odd harmonics
Maximum rate
Even harmonics
Maximum rate
3
5%
2
2%
5
6%
4
1%
7
5%
6...24
0.5%
9
1.5%
11
3.5%
13
3%
15
0.5%
17
2%
19
1.5%
21
0.5%
23
1.5%
25
1.5%
Thresholds of the current harmonic rates
Odd harmonics
Maximum rate
Even harmonics
Maximum rate
3
4%
2
2%
5
6%
4
1%
7
4%
6...24
0.5%
9
2%
11
3%
13
3%
15
2%
17
2%
19
2%
21
2%
23
2%
25
2%
Select one of the two standardsand then validate to go to the 2nd configuration page.
