✦ LIBER ✦
Centrifugal pump academy: Motor trip! Predicting the unforeseen disaster
✍ Scribed by Stan Shiels
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 395 KB
- Volume
- 1999
- Category
- Article
- ISSN
- 0262-1762
No coin nor oath required. For personal study only.
✦ Synopsis
Motor trip! Predicting the unforeseen disaster
Every time a motor trips, it seems to happen suddenly, because nobody predicted it. When the motor driving a centri@xgalpump trips, the eflect is sudden in more ways than one:flow stops completely; the process is oflen interrupted, at least temporarily; and a loss of confidence strikes -"will it trip again, or will the sparepump trip when started?" Often what is not so sudden is the sequence of events that lead to the trip. Stan Sbiels expkhas the most common cause of motor trip and bow to recognise it,
??
An increase in control valve opening will be required to achieve the normally expected flow rate.
??
There will be an unexpected trip of the electric motor driver.