Equivalent model of multi-type distributed generators under faults with fast-iterative calculation method based on improved PSO algorithm

Protection and Control of Modern Power Systems

Table 4 Fault current calculations/simulations under a three-phase fault at point f

	Current from network-side		Current of IIDG		Current of DFIG		Current at fault point
	Amp/kA	Phase/°	Amp/kA	Phase/°	Amp/kA	Phase/°	Amp/kA	Phase/°
Theoretical calculations	2.769	− 84.27	0.662	94.49	0.676	67.61	1.546	108.10
Simulation results	2.782	− 84.48	0.66	95.41	0.671	66.45	1.54	108.77