Method of controlling a pump and motor
US9590537B2 · kind B2 · utility
7Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2014 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Apr 11, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P27/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments of the invention provide a variable frequency drive system and a method of detecting a ground in a system having a pump driven by a motor. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill mode, an automatic start mode, dry run protection, an electromagnetic interference filter compatible with a ground fault circuit interrupter, two-wire and three-wire and three-phase motor compatibility, a simple start-up process, automatic password protection, a pump out mode, digital input/output terminals, and removable input and output power terminal blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.