ABB RELION 670 SERIES REG670 - Page 421

Operate
Angle1(2)
Power1(2)
P
Q
en06000440.vsd
IEC06000440 V1 EN-US
Figure 199: 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 228.
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-US (Equation 228)
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 502 071-UUS A Section 9
Current protection
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 415
Application manual