ABB Relion 670 series - Page 564

Operate
Angle1(2)
Power1(2)
P
Q
en06000440.vsd
IEC06000440 V1 EN
Figure 286: Overpower mode
The setting Power1(2) gives the power component pick up value in the Angle1(2)
direction. The setting is given in p.u. of the generator rated power, see equation 507.
Minimum recommended setting is 0.2% of S
N
when metering class CT inputs into the IED
are used.
N
S 3 VBase IBase= × ×
EQUATION2047 V1 EN (Equation 507)
The setting Angle1(2) gives the characteristic angle giving maximum sensitivity of the
power protection function. The setting is given in degrees. For active power the set angle
should be 0° or 180°. 180° should be used for generator reverse power protection.
Section 9 1MRK 506 369-UUS -
Current protection
558 Line distance protection REL670 2.2 ANSI
Application manual