The paper describe a method of representation a group of inductor motor loads by a single-unit equivalent. The dynamic performance of the composite group following supply disturbances is examined using the single unit model. The representation employs the inductor motor steady state equivalent circuit and characteristic. Experimental result are presented and compared with corresponding theoretical results using the proposed method as well as classical technique of analysis. Sudden and gradual supply disturbances are considered and different load torque speed characteristic.
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