ABB ACS800-67, Описание системы и руководство по запуску

Страница: 82 / 120

82 Practical examples
Note: Some generator manufacturers give equivalent circuit data for delta connection. In
that case the given reactance values must be divided by three.
Transformation ratio between the
stator and the rotor. Defined when
rotor shaft is mechanically locked
and nominal stator voltage is fed to
the stator windings. 99.15 MOTOR OPEN CKT V
Note: Rotor open-circuit voltage.
Long time rotor current limitation 99.16 MOTOR NOM IM
Note: I
M
is not needed in the slip ring generator model. I
M
is used for
defining the maximum allowed long time rotor current limit.
Stator resistance ( R
s
) 99.21 Rs
Stator leakage reactance 99.22 X1S
Rotor leakage reactance 99.23 X2S
Mutual reactance 99.24 XM
Note: See the equation on page 86 .
Rotor resistance ( R
r
) 99.25 Rr
Note: R
r
must be referred to the stator frame. See the equation on
page 86 .
Generator data Parameter