Tettex MIDAS 2881, Operating Instructions Manual

Page: 52 / 164

42 Software
I
fe(Rp)
Effective iron loss current
C
P
(Z
X
= C
P

R
P
)
Capacitive part of the test impedance (capacitance) Z
X
in
parallel equivalent circuit
R
P
(Z
X
= C
P

R
P
)
Resistive part of the test impedance (capacitance) Z
X
in parallel
equivalent circuit
C
S
(Z
X
= C
S
+ R
S
)
Capacitive part of the test impedance (capacitance) Z
X
in serial
equivalent circuit
R
S
(Z
X
= C
S
+ R
S
)
Resistive part of the test impedance (capacitance) Z
X
in serial
equivalent circuit
L
S
(Z
X
= L
S
+ R
S
)
Capacitive part of the test impedance (inductance) Z
X
in serial
equivalent circuit
R
S
(Z
X
= L
S
+ R
S
)
Resistive part of the test impedance (inductance) Z
X
in serial
equivalent circuit
L
P
(Z
X
= L
P

R
P
)
Capacitive part of the test impedance (inductance) Z
X
in parallel
equivalent circuit
R
P
(Z
X
= L
P

R
P
)
Resistive part of the test impedance (inductance) Z
X
in parallel
equivalent circuit
Standard Cap Cn
Actual Standard Capacitor Cn (internal or external)
Apparent Power S
Apparent Power energized complex impedance Z
X
Real Power R
Real Power energized complex impedance Z
X
Reactive Power Q
Reactive Power energized complex impedance Z
X
Real Power @ 2.5kV
Real Power (losses, watts) on the test object, normalized to a
test voltage of 2.5kV.
Real Power @2.5kV = P
Act.voltage

2.5kV
2
/ (Act. voltage)
2