Insulation monitoring device for simultaneously monitoring network sections of an ungrounded power supply system
US9594110B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2015 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Feb 8, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R27/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to an insulation monitoring device for simultaneously monitoring an ungrounded power supply system comprising network sections that can be interconnected via coupling switches, comprising a signal generator for generating a measuring signal and a coupling circuit for coupling the measuring signal to the power supply system. According to the invention, the insulation monitoring device comprises a coupling circuit for each interconnectable network section to be monitored, a switchable electrical connecting element being arranged for connecting adjacent coupling circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.