Novel approaches to representing the speed-time characteristics of a direct start-up induction machine driving gravitational-type loads

被引：1

作者：

Knezevic, Ilija ^{[1
]}

Dlabac, Tatijana ^{[1
]}

Calasan, Martin ^{[2
]}

Krcum, Maja ^{[3
]}

机构：

[1] Univ Montenegro, Fac Maritime Studies Kotor, Kotor, Montenegro

[2] Univ Montenegro, Fac Elect Engn, Podgorica, Montenegro

[3] Univ Split, Fac Maritime Studies, Split, Croatia

来源：

BRODOGRADNJA | 2024年 / 75卷 / 04期

关键词：

Mathematical modeling; Gravitational loads; Induction machine; Ship auxiliary machines; Ship's power system; POWER QUALITY; SHIP; PROPULSION;

D O I：

10.21278/brod75402

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

On ships, practically all types of induction machine loads are present, among which those with fan and gravitational characteristics are the most common. This paper addresses the speed-time curve dependency on the direct start of an induction machine under gravitational load. The characteristic of speed-time, , omega = f (t), , is described through two analytical expressions. The first expression is derived using the formula for torque based on Th & eacute;venin's equivalent circuit, while the second expression is derived from Kloss's formula for torque. The mathematical model has been tested through simulation and experimental validation on an induction machine in laboratory conditions. Also, the paper includes a realised MATLAB program for determining the mentioned characteristics. The results show the high precision and practical applicability of the proposed analytical expressions in different working conditions.

引用

页数：20

共 39 条

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