code value | Figure 2/Figure 3 decode table |
Interpretation of Value | |
0 | System is at equilibrium range/No action necessary |
5 | Bus eigenvalue is converging to a new equilibrium point/No action necessary |
10 | Slightly divergent trends detected in eigenvalue/No action unless this pattern continues |
15 | Eigenvalue is converging from unstable parameters/No action unless divergence occurs or after event |
20 | Bus eigenvalue is marginally converging from unstable parameters/FLAG |
25 | Eigenvalue at bus is increasing toward dynamic instability/FLAG CRITICAL |
30 | Eigenvalue is accelerating toward dynamic instability/FLAG CRITICAL |
35 | Dynamic and voltage instability parameters detected/FLAG CRITICAL |
40 | Approaching singularity/System will go unstable soon without solution/FLAG CRITICAL |
50 | Major system event or eigenvalue in range of singularity/FLAG HIGHEST PRIORITY |