
4-66
469 Motor Management Relay
GE Power Management
4.11 S10 POWER ELEMENTS
4 SETPOINT PROGRAMMING
4
4.11 S10 POWER ELEMENTS
4.11.1 POWER MEASUREMENT CONVENTIONS
By convention, an induction motor consumes Watts and vars. This condition is displayed on the 469 as +Watts
and +vars. A synchronous motor can consume Watts and vars or consume Watts and generate vars. These
conditions are displayed on the 469 as +Watts, +vars, and +Watts, –vars respectively (see the figure below).
Figure 4–19: POWER MEASUREMENT CONVENTIONS
I
1
I
2
I
3
I
4
^
^
^
^