OPV Series ll
The MiMOMax Optimised Protection Variant (OPV) is a software flexible, ultra low latency, digital radio link designed for mission critical data linking and back haul type applications.
The OPV is designed to support a pair of power line protection relays (eg. Geneal Electric L90). The relays typically use the radio link to exchange data packets at 64 kb/s, containing power system voltage the current magnitude and phase angle information. The information is used to determine whether there is an unexpected event or power loss on the line, and to tramsit information used to trip circuit breajers when a line fault is detected. Up to three OPV protection circuit links may be cascaded in order to handle longer ranges and diffcult terrain.
The interface required for the proetction relays is typically synchronous serial using V.11 (RS422) X.21 or G.703, at a 64kb/s transmission rate. However, a number of other synchronous serial interfaces can be accommodated.