Performance analysis of a composite dual-winding reluctance machine

Enhancement of the Performance of a Transfer Field Electric Machine Operating in the Asynchronous Mode

“…The voltage equations in the d-q rotor reference frame of the classical TF machine were derived [4]. When the auxiliary winding includes capacitors as shown in Figure 1, the main winding equations remain as in (1) - (3) which are the same as reported in [4], but the auxiliary winding voltage equations modify to (4) and (5) on account of the presence of capacitors.…”

“…Analogously to an induction motor, the relationship between the frequency of the current in the main and From the on-set of analysis, the paper by Cathey [5] treated the machine as an induction machine and obtained a single magnetizing reactance from which performance was assessed. The approach adopted in [4] is more straightforward as it considers the inductances of each component machine as a function of rotor position on account of the saliency in the rotor magnetic circuit; this naturally yielded two inductances in the d-and q produced similar results but it is easier to appreciate the analysis done in [4]. The power output of the TF machine compared to that of an equivalent induction machine on account of high leakage reactance arising from the following:…”

“…(a) the slots are deeper in order to accommodate the two sets of windi Deep slots give rise to high slot leakage (b) the inter-section conductors between one unit machine and the other in cascade do not contribute to energy conversion but add to the overall leakage reactance of the machine (c) the end winding leakage is twice the normal end winding leakage because of the two unit machines in cascade Equivalent circuit of the TF machine derived from its performance analysis [4,5]shows that the quadrature axis reactance adds up to the leakage reactance of the machine. For these shortcomings, been restricted to laboratories to it is scanty.…”

“…From the on analysis, the paper by Cathey [5] treated the machine as an induction machine and obtained a single magnetizing reactance from which performance was assessed. The approach adopted in [4] is more straightforward as it considers the induct each component machine as a function of rotor position on account of the saliency in the rotor ports the enhancement of the ou ports the enhancement of the ou ports the enhancement of the ou ports the enhancement of the output power tput power tput power tput power and power factor and power factor and power factor and power factor of a transfer field mac of a transfer field mac of a transfer field mac of a transfer field mac the asynchronous mode by direct capacitance injection into the auxiliary winding of the machine, which is the asynchronous mode by direct capacitance injection into the auxiliary winding of the machine, which is the asynchronous mode by direct capacitance injection into the auxiliary winding of the machine, which is the asynchronous mode by direct capacitance injection into the auxiliary winding of the machine, which is electrically isolated from the main winding but magnetically coupled to it. It is shown electrically isolated from the main winding but magnetically coupled to it.…”

Dynamic Analysis of Series-Connected and Mechanically-Coupled Twin Synchronous Motor Drive

“…Two-motor drive systems with series stator connections mounted on a common shaft have been studied (Anih and Obe, 2009;and Anih et al, 2014). The systems they studied are quite different from the one in the present study, as the motors were not identical and they were mounted on a common shaft.…”