Portable Test Equipment
User’s Guide
www.appliedp.com
PTE-UGFW56a-EN
51
Transformer Test screen
* P33
(one voltage sensor and
one current sensor used)
One current sensor
* P34
One voltage sensor
* P35
Two current sensors
* P36
Two voltage sensors
* P37
Content:
U, I
.......................... Load Point values
r
nom
........................... Nominal transmission ratio from meter definition
r
Lx/L1
.......................... Measured transmission ratio, 1 probe connected (L2/L1, L3/L1)
r
B/A
............................ Measured transmission ratio, 2 probes connected (L1, L2 and L3)
er
Lx/L1
........................ Calculated transmission error,1 probe connected (L2/L1, L3/L1)
er.
............................ Calculated transmission error, 2 probes connected (L1, L2 and L3)
φ
Lx/L1
........................ Measured phase error, 1 probe connected (L2/L1, L3/L1)
φ
B/A
.......................... Measured phase error, 2 probes connected (L1, L2 and L3)
............................. Voltage Phase
............................. Current Phase
............................. Distortion Factor of Voltage
............................. Distortion Factor of Current
f
................................ Frequency