GE Multilin W650 - Page 195

GEK-113032A W650 Wind Generator Protection System 5-55
5 SETTINGS 5.4 PROTECTION ELEMENTS
5
Table 5–50: QUANTITIES
POLARIZING MODE DIRECTION COMPARED PHASORS
VOLTAGE (Vo)
FORWARD -Vo Io x 1 MTA
REVERSE -Vo -Io x 1 MTA
CURRENT (Ip)
FORWARD Isg Io
REVERSE Isg -Io
Vo + Ip
FORWARD
- Vo Io
or
Isg Io
REVERSE
- Vo -Io
or
Isg -Io
Vo * Ip
FORWARD
- Vo Io
and
Isg Io
REVERSE
- Vo -Io
and
Isg -Io