Conservation Voltage Reduction Strategy for Autonomous Microgrid with Improved Voltage-CurrentDroop-Based Inverter Control Framework

Table 2

Representation of power saving in 5 bus test system.

Conventional Q-V droop (V/Var) DG1: 1.7e − 3, DG2: 2e − 4, and DG3: 3e − 5						Power saving (in %)
Conventional V-I droop (Ω) DG1: 0.231, DG2: 0.206, and DG3: 0.497
Modified V-I droop (Ω) DG1: 0.221, DG2: 0.216, and DG3: 0.464
Sl. no	Step change in load (s)	Voltage in case of Q-V droop (pu)	Voltage in case of V–I droop (pu)	Apparent power (Q-V droop)	Apparent power (V-I droop)
1	Base load	1.0	0.9	9.22	8.140	11.71
2	0.5	0.989	0.922	15.330	13.200	13.89
3	1.0	0.980	0.930	21.840	18.450	15.52
4	1.5	0.973	0.941	26.250	24.870	5.25