Protegendo um sistema e alcançando desgaste igual alternando bombas em paralelo.
Os sistemas críticos devem sempre estar equipados com mais de uma bomb . A escolha entre a instalação de uma ou mais bombas de reserva depende dos custos de instalação e
- how critical is system operation – a water supply system for a hospital is more critical than a chilled water cooling system for a home
- the delivery and installation time of a new pump
Se forem usadas duas ou mais bombas, a operação entre as bombs deve ser alternada sistematicamente para obter um desgaste igual.
Alternatives to Alternating Pumps
Pumps can be systematically switched by
- manual toggle – where the operator selects the main pump and sequence of lag pumps
- alternância de serviço – onde a bomba principal muda toda vez que a bomb ou sistema é parado
- timed toggle – where the main pump is triggered by a timer or clock
- equal run time – where the main pump is switched to achieve the same run time for each pump
Observation! Running an automatic system to equalize pump wear
- has the advantage of extending the time before repairs and reinvestments
- has the disadvantage that all pumps can wear out at the same time – reducing operating safety for the entire system
Source: https://www.engineeringtoolbox.com/alternating-pumps-d_667.html
