Speed Characteristic Analysis for Speed Regulation Circuit of YVF-Multi-Output Pumps

doi:10.7652/xjtuxb201610015

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Speed Characteristic Analysis for Speed Regulation Circuit of YVF-Multi-Output Pumps

更新时间：2025-07-09

- Speed Characteristic Analysis for Speed Regulation Circuit of YVF-Multi-Output Pumps
- Vol. 50, Issue 10, Pages: 99-103+110(2016)
- 作者机构：
  
  燕山大学机械工程学院,河北,秦皇岛,066004
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201610015
  CLC： TH137.1
- Online First：10 October 2016，
  
  Published：2016
- 稿件说明：
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Speed Characteristic Analysis for Speed Regulation Circuit of YVF-Multi-Output Pumps[J]. 2016, 50(10): 99-103+110.
DOI：

Speed Characteristic Analysis for Speed Regulation Circuit of YVF-Multi-Output Pumps[J]. 2016, 50(10): 99-103+110. DOI： 10.7652/xjtuxb201610015.

摘要

针对普通电机多输出泵调速回路存在功率损失、变频电机定量单泵调速回路动态特性差及流量输出范围受泵转速范围的限制等问题

提出一种新型变频电机-多输出泵调速回路。该新型回路可以通过变频电机进行无级调速

节省了普通电机多输出泵调速回路中的功率损失; 通过多输出泵的多级容积调速

在不改变泵的允许转速范围的情况下

扩大了变频电机定量单泵调速回路的流量输出范围

并且能够得到多条速度特性线。理论分析表明

新型回路没有功率损失

最小输出流量随排量比例系数的增加而减小

最大输出流量随排量比例系数和多输出泵作用数的增加而增加。AMEsim仿真结果表明

通过选择不同的速度特性线

新型回路可以满足不同工况对动态响应的要求

提高了回路的适应性。

Abstract

A new speed regulation circuit driven by a YVF-multi-output pump is proposed to deal with problems that there exist energy loss in general motor-multi-output pump speed regulation circuits

and the YVF-constant single pump speed regulation circuit has the disadvantage of poor dynamic response and its output flow is restricted by the allowable range of pump speeds. The proposed circuit saves energy loss of general motor-multi-output pump speed regulation circuits through the stepless speed control of YVF. The range of output flow is expanded without changing the allowable range of pump speeds

and multiple speed characteristic lines are obtained through the step speed control of multi-output pump. Theoretical analysis shows that there is no energy loss in new circuit

and the minimum output flow decreases as the displacement ratio of multi-output pump increases and the maximum output flow increases as both the ratio and the action number of multi-output pumps increase. The results of AMEsim simulation show that the proposed circuit meets the dynamic responses of different working conditions and improves the adaptability of the speed regulation circuit through selecting different speed characteristic lines.

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references

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