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Locked-rotor test methods for induction motors investigated

机译:研究了感应电动机的锁转子测试方法

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Locked-rotor testing is a common end-of-the-line check performed on most motors used in the petrochemical industry. Despite its popularity as a verification of rotor integrity and to confirm the current draw and torque produced at zero speed, there can be much ambiguity in how the test is performed. This test is not required by the National Electrical Manufactures Association Motors and Generators standard (NEMA MG1) or the Institute of Electrical and Electronics Engineers Standard 112 (IEEE 112). IEEE 112 contains a locked-rotor test method, but there can be variations in the results based upon the test conditions (duration of voltage application and magnitude of applied voltage, for instance). The purpose of this paper is to describe how the test procedure employed affects the locked-rotor test results for both current and torque. Model and test data is presented to illustrate the variations possible depending on the test technique.
机译:锁定转子测试是对石化行业中使用的大多数电动机进行的常见的末端检查。尽管它广泛用于验证转子的完整性并确认零速时产生的电流消耗和转矩,但在执行测试方面却存在很多歧义。国家电气制造商协会的电动机和发电机标准(NEMA MG1)或电气与电子工程师协会标准112(IEEE 112)不需要进行此测试。 IEEE 112包含转子锁定测试方法,但结果可能会因测试条件(例如施加电压的持续时间和施加电压的大小)而异。本文的目的是描述所采用的测试程序如何影响电流和转矩的转子堵转测试结果。呈现模型和测试数据以说明取决于测试技术的可能变化。

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