IED test compatible with IEC61850 standard
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The conformance test,interoperability test,performance test and functionality test of IED(Intelligent Electronic Device) are carried out before commission to evaluate its IEC61850 compatibility,interope-rability,function implementation ability and performance under extreme conditions. The importance of these tests,particularly conformance test,for implementing a standard and actualizing its objectives is demonstrated by the comparison of issuance and implementation between IEC69870-5-101 standard and DNP 3 standard. The objectives of IEC61850 product tests are analyzed respectively from the points of utility's view and manufacturer's view,based on which,the test methods are brought forward. The difficulties of IEC61850 product tests mainly come of the following factors:abundant information models and service models,hierarchical information models and semantic connotation,introduction of publisher/subscriber communication modes,introduction of SCL,self-description ability,expansibility,and free function distribution. Corresponding problems are summarized.