TECHOP_ODP_13_(D)_(CONTROL POWER SUPPLIES AND AUTO CHANGEOVERS)_Ver3_032…[30514].pdf

TECHOP – Control Power Supplies and Auto Changeovers
Technical and Operational Guidance Notes
This TECHOP is intended to highlight the vulnerabilities that are introduced into DP redundancy concepts by cross connections in control power supplies, including dual supplies and auto changeovers. Possible methods of eliminating or reducing the associated risks are suggested. (Sept 2016)