ABB REC670 Applications Manual page 230

Section 8
Current protection
224
IEC06000440 V1 EN-US
Figure 90: 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
IED are used.
= × ×
S 3 VBase IBase
N
EQUATION2047 V1 EN-US
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.
Q
Operate
Power1(2)
Angle1(2)
when metering class CT inputs into the
N
1MRK 511 401-UUS A
P
en06000440.vsd
(Equation 86)
Bay control REC670 2.2 ANSI
Application manual