| The accuracy of the load model has great effects on power system analysisand control. However, load modeling is considered to be a well-knowndifficult problem and unsolved by now. It is mainly due to the fact thatthe load is always changing, both in its amount and constitutes. On the otherhand, distributed generation is regarded as the developing direction of thepower system in 21 century. Because distributed generation always connectwith the distributed system, which have great influence on every aspectsof power system. This paper studied the influence of distributed generation on loadmodeling. When the influence of distributed generation is not negligible,the composite induction motor load model can not effectively describe theactual load characteristic of this area. In this paper we advance a new loadmodel: asynchronous generator +ZIP.Also testify the validity of this newload model, which is derived from a great deal of simulation projects .Then,composite induction motor load model and asynchronous generator +ZIP loadmodel were unified in one program.
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