Supply voltage unbalance default measurements
Supply voltage unbalance default measurements are stored
in the EN50160 Vunbal data recorder.
EN50160 Vunbal data recorder
| Register label | Source module type | Description |
|---|---|---|
|
Vunbal N |
Signal limit evaluation |
Number of valid intervals |
|
Vunbal N invld |
Signal limit evaluation |
Number of invalid intervals |
|
Vunbal N1 |
Signal limit evaluation |
Number of intervals the supply voltage unbalance exceeds 2%. |
Parameter data is recorded every 10 minutes by the 4-30 10m Log data recorder.
4-30 10m Log data recorder
| Register label | Description |
|---|---|
|
NegSeqRatio 10m or VlnUnbal u2 10m |
Ratio of the 10-minute negative sequence voltage value to the 10-minute positive sequence voltage value (voltage unbalance) |