Graph-Analytical Method of Determining Impedance in Electrical Transformers

Figure 1

Measurement graph-analytical transformer model for (a) grope, (b) no-load, (c) short-circuit, (d) load, (e) high frequencies, (f) single load transformer, (g) and equivalent circuit of transformer.

(a) -grope

(b) No-load

(c) Short-circuit

(d) Loads , ,

(e) High frequencies

(f)

(g)