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Derivation of induced motor models from standstill frequency response tests

机译:从静止频率响应测试推导感应电动机模型

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Standstill frequency response (SSFR) tests were conducted on four induction motors with ratings of 300, 400, 1000, and 1750 horsepower. Using the SSFR test data, an equivalent circuit was derived for each motor. The speed-torque and speed-current curves calculated from the equivalent circuit were compared with those reported by the manufacturer. The comparison showed good agreement of the SSFR-based model with manufacturer's performance curves in the case of the 300 hp motor. Including a simple approximation for saturation effects provided reasonable agreement for the 1000 hp and 1750 hp motors. Results for the 400 hp motor were at considerable variance with manufacturer's curves.
机译:在四个额定功率分别为300、400、1000和1750马力的感应电动机上进行了静止频率响应(SSFR)测试。使用SSFR测试数据,得出每个电机的等效电路。从等效电路计算出的速度-转矩和速度-电流曲线与制造商报告的进行了比较。比较表明,在300 hp电动机的情况下,基于SSFR的模型与制造商的性能曲线吻合良好。包括一个简单的饱和效应近似值,为1000 hp和1750 hp电动机提供了合理的一致性。 400 hp电动机的结果与制造商的曲线有很大差异。

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