68 EN
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13.2. Evaluation of the power supply quality
Symbol
Function
Overall operating
performance class
#(1(2Ů#HFHV@QDCDCHB@SDC
sensors (TE, TR, TF) in
compliance with IEC 61557-12
Measurement
range
f %QDPTDMBX ŰŰŰ'Y
((- /G@RDBTQQDMSLD@RTQDCMDTSQ@KBTQQDMS #(1(2#HFHV@QDNMKX
VHSG3$NQ3%RDMRNQR
1 with TR sensors
v(M
v(M
v(M
INc "@KBTK@SDCMDTSQ@KBTQQDMS 1 with solid-core TE or TF sensors
2 with TR sensors
v(M
4 5NKS@FD+O+FNQ+O- Ű5 "/G-
/RS/KS %KHBJDQRGNQSSDQLKNMFSDQL - -
4CHO 5NKS@FDCHO+O+FNQ+O- -
4RVK 5NKS@FDRVDKK+O+FNQ+O- -
4HMS 5NKS@FDHMSDQQTOSHNM+O+FNQ+O- -
4MA@ 5NKS@FD@LOKHSTCDTMA@K@MBD+O- -
4MA Voltage phase and amplitude unbalance (Lp-Lg or
+O-
-
4G Voltage harmonics
1 -
Ih "TQQDMSG@QLNMHBR
1 VHSGRDMRNQR3$31NQ3% -
,RU "DMSQ@KHRDCQDLNSDBNMSQNKRHFM@KR
- -