Modeling methodology and fault simulation of distribution networks integrated with inverter-based DG

Protection and Control of Modern Power Systems

Table 2 Comparison between simulation and theoretical results for three-phase fault at f₄

Phasors		Simulation results	Theoretical results	Absolute errors	Relative errors/%
\( {\dot{I}}_{{\mathrm{L}}_2\mathrm{A}} \)	Amp.	1.515	1.512	0.003	0.200
\( {\dot{I}}_{{\mathrm{L}}_2\mathrm{A}} \)	Ang.	−78.4^。	−82.8^。	4.4^。	2.458
\( {\dot{I}}_{{\mathrm{L}}_3\mathrm{A}} \)	Amp.	1.603	1.610	0.008	0.473
\( {\dot{I}}_{{\mathrm{L}}_3\mathrm{A}} \)	Ang.	−80.7^。	−82.8^。	2.1^。	1.210
\( {\dot{I}}_{{\mathrm{L}}_4\mathrm{A}} \)	Amp.	1.838	1.758	0.080	4.354
\( {\dot{I}}_{{\mathrm{L}}_4\mathrm{A}} \)	Ang.	−82.4^。	−87.3^。	4.9^。	2.689
\( {\dot{V}}_{MA} \)	Amp.	4.902	4.659	0.243	4.961
\( {\dot{V}}_{MA} \)	Ang.	−31.9^。	−33.5^。	1.6^。	0.928
\( {\dot{V}}_{NA} \)	Amp.	2.051	1.891	0.160	7.803
\( {\dot{V}}_{NA} \)	Ang.	−33.1^。	−36.1^。	3.0^。	1.675