Table 1.
Review of literature.
Fig 1.
(a) Overall working process of the proposed PQ improvement model. (b) FOPID Controller.
Table 2.
Controller parameters I mean gains.
Fig 2.
Flowchart of hybrid optimization.
Table 3.
Hybrid optimization parameters.
Table 4.
Proposed model parameter and specification.
Fig 3.
Analysis of (a) solar irradiance (b) temperature with respect to time in case 1.
Fig 4.
Analysis of battery SOC.
Fig 5.
Evaluation of (a) grid current and (b) grid voltage with respect to time.
Fig 6.
Evaluation of (a) PV current and (b) PV voltage.
Fig 7.
Evaluation of current, voltage compensation at sag period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 8.
THD analysis in (a) current and (b) voltage in sag condition.
Fig 9.
Evaluation of current, Voltage compensation at swell period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 10.
THD analysis in (a) current and (b) voltage in swell condition.
Fig 11.
Evaluation of current, voltage compensation at interruption period.
(a) Source current (b) Injected current (c) Load current. (a) Source current (b) Injected current (c) Load current.
Fig 12.
THD analysis in (a) current and (b) voltage in interruption condition.
Fig 13.
Evaluation of current and voltage compensation at combined fault condition.
Source current (b) Injected current (c) Load current. (a) Source current (b) Injected current (c) Load current.
Fig 14.
Analysis of (a) solar irradiance (b) temperature in case 2.
Fig 15.
Evaluation of current compensation and voltage compensation at sag period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 16.
THD analysis in (a) current and (b) voltage in sag condition.
Fig 17.
Evaluation of current compensation and voltage compensation at swell period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 18.
THD analysis in (a) current and (b) voltage in swell condition.
Fig 19.
Evaluation of current compensation and Voltage compensation at interruption period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 20.
THD analysis in (a) current and (b) voltage in interruption condition.
Fig 21.
Analysis of (a) 3-phase fault current compensation and (b) 3-phase fault voltage compensation.
Fig 22.
Evaluation of (a) current compensation and (b) Voltage compensation at Sag period. Source current (b) Injected current (c) Load current. Source voltage (b) Injected voltage (c) Load voltage.
Fig 23.
THD analysis in (a) current and (b) voltage in sag condition.
Fig 24.
Evaluation of (a) current compensation and (b) Voltage compensation at swell period. (a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 25.
THD analysis in (a) current and (b) voltage in swell condition.
Fig 26.
Evaluation of (a) current compensation and (b) Voltage compensation at interruption period. (a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 27.
THD analysis in (a) current and (b) voltage in interruption condition.
Fig 28.
Analysis of 3phase fault current compensation and 3phase fault voltage compensation.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 29.
Analysis of (a) solar irradiance and (b) temperature with respect to time in case 4.
Fig 30.
Evaluation of (a) current compensation and (b) Voltage compensation at sag period. (a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 31.
THD analysis in (a) current and (b) voltage in sag condition.
Fig 32.
Evaluation of current compensation and voltage compensation at swell period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 33.
THD analysis in (a) current and (b) voltage in swell condition.
Fig 34.
Evaluation of (a) current compensation and (b) Voltage compensation at interruption period. (a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 35.
THD analysis in (a) current and (b) voltage in interruption condition.
Fig 36.
Analysis of (a) 3phase fault current compensation (b) 3-phase fault voltage compensation at interruption period. (a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 37.
Evaluation of current compensation and voltage compensation at sag period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 38.
THD analysis in (a) current and (b) voltage in sag condition.
Fig 39.
Evaluation of current compensation and voltage compensation at swell period.
(a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 40.
THD analysis in (a) current and (b) voltage in swell condition.
Fig 41.
Evaluation of (a) current (b) Voltage compensation at interruption period. (a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 42.
THD analysis in (a) current and (b) voltage in interruption condition.
Fig 43.
Evaluation of (a) current (b) voltage compensation in combined fault condition. (a) Source current (b) Injected current (c) Load current. (a) Source voltage (b) Injected voltage (c) Load voltage.
Fig 44.
Analysis of convergence comparison.
Fig 45.
Analysis of DC link voltage comparison.
Table 5.
Analysis of power factor comparison.
Table 6.
Test cases considered under constant 25°C temperature.
Table 7.
THD comparison of proposed and existing methods.