Method for interconnecting two synchronous polyphase AC networks and interconnecting apparatus for the same
US5642005A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1994 |
| Grant date | Jun 24, 1997 |
| Priority date | — |
| Expiry date | Nov 8, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J3/38
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The method of interconnecting first and second synchronous polyphase AC networks is for regulating transfer of active power from one of the AC networks to the other. The method involves the steps of, for each phase line of the first AC network, connecting a first end of a first reactive element to the phase line of the first AC network; connecting a first end of a second reactive element to the phase line of the first AC network; applying to a second end of the first reactive element a first phase voltage derived from a second AC network; applying to a second end of the second reactive element a second phase voltage derived from the second AC network, the second phase voltage being phase shifted with respect to the first phase voltage. In a preferred method according to the invention, one of the reactive elements is inductive, and the other of the reactive elements is capacitive. In operation, a phase shift between the first and the second phase voltages forces a regulated transfer of active power from one of the AC networks to the other. Also provided is an interconnecting apparatus for the same purpose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.