Title:
制御ユニット、及びポンプ装置
Document Type and Number:
Japanese Patent JP7353743
Kind Code:
B2
Abstract:
To provide a control unit and a pump device capable of appropriately controlling retry operation of a variable speed control device when the same is stopped by a protective function.SOLUTION: A control unit of a pump device performs variable speed control of at least one electrically driven pump with at least one variable speed control device. When the variable speed control device undergoes a protective stop, the control unit determines whether or not to allow retry operation of the variable speed control device to be performed on the basis of a trip factor causing the protective stop and an operation state of the pump device when the variable speed control device undergoes the protective stop.SELECTED DRAWING: Figure 4
Inventors:
Yousuke Harada
Takahide Ozawa
Takahide Ozawa
Application Number:
JP2018210447A
Publication Date:
October 02, 2023
Filing Date:
November 08, 2018
Export Citation:
Assignee:
Ebara Corporation
International Classes:
F04D15/02; F04D15/00
Domestic Patent References:
| JP2015117694A | ||||
| JP2015042029A | ||||
| JP6031619B2 | ||||
| JP7308074A | ||||
| JP9149547A | ||||
| JP2702952B2 | ||||
| JP7059386A | ||||
| JP10318157A | ||||
| JP2016100977A | ||||
| JP2009142119A |
Attorney, Agent or Firm:
Toru Miyamae
Yukio Kanegae
Makoto Watanabe
Obata Tosho
Yukio Kanegae
Makoto Watanabe
Obata Tosho
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