Delta phase loss detector
US4024438A · kind A · utility
5Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 1975 |
| Grant date | May 17, 1977 |
| Priority date | — |
| Expiry date | Oct 30, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/253
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A phase loss detector for detecting and responding to voltage loss or failure in a polyphase electric power supply to disconnect the load or motor in the event of such loss, which is adapted to serve in conjunction with either a delta or wye power configuration and is characterized by an internally generated AC common line such that a common line of the power source is unnecessary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.