ABB Relion REC670 - Page 167

Operate
Angle1(2)
Power1(2)
P
Q
en06000440.vsd
IEC06000440 V1 EN-US
Figure 74: 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 86.
Minimum recommended setting is 0.2% of S
N
when metering class CT inputs into the IED are
used.
3
N
S UBase IBase= × ×
EQUATION1708 V1 EN-US
(Equation 86)
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.
1MRK 511 358-UEN A Section 7
Current protection
161
Application manual