NHP Terasaki TemBreak PRO P SE Series, Руководство пользователя

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Measurements and settings
52
TemBreak PRO
P_SE-UM-001-EN
– V1.2.0
Real-Time and Min./Max. Measurements
The P_SE OCR records historical maximum and minimum measurement values alongside real-time measurements.
Some historical values may be manually reset, include User and OCR timestamps, and/or are unique to MCCB
’s with Neutral reference (3Ph+N) or without
(3Ph) depending on system topology. The properties of each type of available historic values are indicated in the following table.
For example, the “Max imum since reset of minimum of I
1
, I
2
, I
3
” describes the highest I
min
value calculated/measured since the last manual reset of historical
values. If reset, the existing instantaneous I
min
value will become the new maximum of I
min
since reset and will be updated accordingly.
Measurement Value Designator / Description Minimum Real-time Maximum 3Ph 3Ph+N
Current Value Timestamp Value Value Timestamp
RMS current
(*I
N
4P MCCB only)
I
1
✓
─
✓ ✓ ✓ ✓ ✓
I
2
✓
─
✓ ✓ ✓ ✓ ✓
I
3
✓
─
✓ ✓ ✓ ✓ ✓
*I
N
✓
─
✓ ✓ ✓
─
✓ *
Ground / Earth current I
g
✓
─
✓ ✓
─ ─
✓
Max. RMS current
(*I
N
4P MCCB only)
I
max
= max. of I
1
, I
2
, I
3
, *I
N
✓
─
✓ ✓
─
✓ ✓ *
Min. RMS current I
min
= min. of I
1
, I
2
, I
3
✓
─
✓ ✓
─
✓ ✓
Avg. RMS current
I
avg
=
I
1
+ I
2
+ I
3
3
✓
─
✓ ✓
─
✓ ✓
Current imbalance
(*I
N Unb
4P MCCB only)
I
1 Unb
✓
─
✓ ✓
─
✓ ✓
I
2 Unb
✓
─
✓ ✓
─
✓ ✓
I
3 Unb
✓
─
✓ ✓
─
✓ ✓
*I
N Unb
✓
─
✓ ✓
─ ─
✓ *
Max. current imbalance
(*I
N Unb
4P MCCB only)
I
max Unb
= max. of I
1 Unb
, I
2 Unb
, I
3 Unb
, *I
N Unb
✓
─
✓ ✓
─
✓ ✓ *
Voltage
Ph-Ph RMS voltage
U
12
✓ ✓ ✓ ✓ ✓ ✓ ✓
U
23
✓ ✓ ✓ ✓ ✓ ✓ ✓
U
31
✓ ✓ ✓ ✓ ✓ ✓ ✓
Max. Ph-Ph RMS voltage U
max
= max. of U
12
, U
23
, U
31
✓
─
✓ ✓
─
✓ ✓
Min. Ph-Ph RMS voltage U
min
= min. of U
12
, U
23
, U
31
✓
─
✓ ✓
─
✓ ✓
Avg. Ph-Ph RMS voltage
U
avg
=
U
12
+ U
23
+ U
31
3
✓
─
✓ ✓
─
✓ ✓
Ph-Ph Voltage imbalance
U
12 Unb
✓
─
✓ ✓
─
✓ ✓
U
23 Unb
✓
─
✓ ✓
─
✓ ✓
U
31 Unb
✓
─
✓ ✓
─
✓ ✓
Max. Ph-Ph Voltage
imbalance
U
max Unb
= max. of U
12 Unb
, U
23 Unb
, U
31 Unb
✓
─
✓ ✓
─
✓ ✓
Ph-N RMS voltage
V
1N
✓ ✓ ✓ ✓ ✓
─
✓
V
2N
✓ ✓ ✓ ✓ ✓
─
✓
V
3N
✓ ✓ ✓ ✓ ✓
─
✓
Max. Ph-N RMS voltage V
max
= max. of V
1N
, V
2N
, V
3N
✓
─
✓ ✓
─ ─
✓
Min. Ph-N RMS voltage V
min
= min. of V
1N
, V
2N
, V
3N
✓
─
✓ ✓
─ ─
✓
Avg. Ph-N RMS voltage
V
avg
=
V
1N
+ V
2N
+ V
3N
3
✓
─
✓ ✓
─ ─
✓
Ph-N Voltage imbalance
V
1N Unb
✓
─
✓ ✓
─
✓ ✓
V
2N Unb
✓
─
✓ ✓
─
✓ ✓
V
3N Unb
✓
─
✓ ✓
─
✓ ✓
Max. Ph-N voltage imbalance V
max Unb
= max. of V
1N Unb
, V
2N Unb
, V
3N Unb
✓
─
✓ ✓
─
✓ ✓