Portable Test Equipment
User’s Guide
www.appliedp.com
PTE-UGFW56a-EN
41
5.2 Energy Measurement and Test
5.2.1 Energy Values
This page shows measured and calculated energy values. Page is activated by key
F1
of
Load
Values
screen.
Active, reactive and apparent energies are accumulated beside the measurement and shown on this
page. Accumulation of these energies can be stopped and started again (key
F3
) or just restarted by
F4
key.
Energy Values screen in 3f
* P43
Energy Values screen in 1f
* P52
List of displayed quantities:
ΣP
........... Sum of Active Powers
ΣQ
.......... Sum of Reactive Powers
ΣS
........... Sum of Apparent Powers
cos φ, sin φ
............ Power Factor
E
P
........... Active Energy
E
Q
........... Reactive Energy
E
S
........... Apparent Energy
ΣE
P
......... Sum of Active Energies
ΣE
Q
......... Sum of Reactive Energies
ΣE
S
......... Sum of Apparent Energies
f
............. Frequency
L1xx
...... Voltage Phase Sequence (L123 or L132)
L
I
1xx
..... Current Phase Sequence (L
I
123 or L
I
132)
Control keys:
F1
... Graphical Presentation screens
F2
.... Dial test
F3
.... Stop / start online energy
accumulation
F4
.... Clear energy registers
F5
... Menu
Online energy accumulation - Sum of Energies (resp. Powers) accumulate values from the beginning
automatically. With
F3
button it is possible to suspend/resume accumulation.
When Dial test screen is accessed these registers will be cleared but only if Test Initialization has
been carried out (see next chapter).
