Microgrids are seen as an emerging solution to locally provide clean energy. Power electronic-based distributed generators (DGs) operating in parallel are the main constituents of these systems, which extract, control, and convert electric power from renewable sources. Broadly, the approaches for controlling these systems are categorized under centralized, decentralized, and distributed strategies. Under the decentralized category, droop control and several variants of the same have been proposed in the literature over the years. A large portion of the work reported, considers linear loads. This article compares the performance of four commonly employed droop control techniques for inverter-based distributed generators, for their performance under nonlinear loading conditions and during plug and play functionality in the islanded mode of operation. The work attempts to investigate the performance of these strategies under both uniform (i.e., same control structure in the DGs) and nonuniform (DGs operating with different control structures) scenarios from the perspective of output power sharing and transients during the plug and play functionality. The evaluation is carried out through simulations of cases with constant impedance, constant current, and dynamic nonlinear loads on the modified 13-bus system using MATLAB-Simulink, and experiments on a laboratory scale microgrid.