描述
OIS电源冗余问题
操作员站的电源系统只有UPS一路供电,不提供冗余配置,如果单台机组UPS电压有大的波动,将威胁所有的操作员站安全运行,使机组失去监视手段。尽管这种情况二期机组从未出现过,但我们还是将三台机组各取二台OIS改由另外机组UPS交叉供电。
Parker PS1-P1091 Pneumatic Pressure Switch Line Mounted
Lot of PARKER POLYFLEX HIGH PRESSURE FITTING Qty 4 NEW
NEW LOT INDUSTRIAL PARKER HIGH PRESSURE HOSES 2600PSI
NEW PARKER PNEUMATIC REMOTE PILOT SIGNAL PRESSURE VALVE
PARKER AIR PRESSURE with POLYCARBONATE BOWL & GAUGE
PARKER FINITE DIFFERENTIAL PRESSURE INDICATOR DPI-13
NEW! Parker 3/8″ Bronze Hydraulic Pressure Hose *
PARKER A2-11390 CONSTANT PRESSURE EXPANSION VALVE
4 used PARKER 3/8″ TUBE X 3 HIGH PRESSURE TEE