Starting Methods Comparison of Medium Voltage Three-Phase AC Motors

被引：0

作者：

Simms, Stan R. ^{[1
]}

Farr, Thomas A. ^{[1
]}

Braga, Gabriel ^{[2
]}

机构：

[1] EATON, Medium Voltage Motor Control Assemblies, Asheville, NC 28704 USA

[2] PWP Lab, Engn, Belo Horizonte, MG, Brazil

来源：

2023 NORTH AMERICAN POWER SYMPOSIUM, NAPS | 2023年

关键词：

Across the Line (ATL); Adjustable Frequency Drives (AFDs); Constant Torque (CT); Controller Hardware-in-the-Loop (cHIL); Direct On-Line (DOL); Full Load Amperes (FLA); Induction Motor (IM); Point of Common Coupling (PCC); Pump Control (PC); Reduced Voltage Soft-Starter (RVSS); Root mean square (RMS); Silicon-Controlled Rectifier (SCR); Synchronous Motor (SM); Torque Per Ampere (TPA); Variable Torque (VT); Voltage Ramp with Current Limit (VRwCL);

D O I：

10.1109/NAPS58826.2023.10318549

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

With full-voltage starts on induction motors, locked rotor current and asymmetric inrush current occur. Using reduced-voltage solid-state soft-starters the AC phase current is limited to a value less than the locked rotor value. This extends the start time in favor of lessening the impact on the grid and mechanical stress of the motor. In this paper, the torque per Ampere versus speed are shown for several starting methods. These fixed frequency starting methods are compared to the adjustable frequency drive approach. A presentation of torque per ampere versus angular velocity along with a traditional RMS phase current versus time plot is provided for all methods.

引用

页数：6

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