Multiobjective Neuro-Fuzzy Controller Design and Selection of Filter Parameters of UPQC Using Predator Prey Firefly and Enhanced Harmony Search Optimization

Table 2

Test cases chosen.

Circumstance	Case 1	Case 2	Case 3	Case 4
Balanced	✓	✓	✓
Steady voltage				✓
Unbalanced				✓
Current	✓	✓	✓	✓
Balanced and	✓
Balanced disturbance		✓
Unbalanced, , , and disturbance			✓
Irradiation of 1000 w/m^2	✓		✓
Variable irradiance		✓		✓
Variation in load				✓
Load 1: balanced 3 phase bridged rectifier load: L = 1 mH and R = 10 Ω	✓	✓	✓	✓
Load 2: balanced 3 phase bridged rectifier load: L = 2 mH and R = 20 Ω		✓		✓
Load 3: unbalanced 3 RL branch load:  = 10 Ω,  = 20,  = 15 Ω,  = 1.5 mH,  = 3.5 mH, and  = 2.5 mH		✓	✓	✓
Load 4: balanced active reactive power load: P = 500 W and Q = 9000 Kvar	✓		✓