Laserfiche WebLink
0 . ' � • �� � � � �.. <br /> Scope of Work <br /> Disconnect Switches—Medium Voltage <br /> Mechanical Inspection <br /> • Inspect physical and mechanical condition. <br /> • Verify appropriate equipment grounding. <br /> • Verify correct blade alignment, blade penetration,travel stops, and mechanical operation. <br />' • Verify that each fuse holder has adequate mechanical support. <br /> • Test all interlocking systems for correct operation and sequencing. <br /> • Inspect insulating assemblies for evidence of physical damage or contaminated surfaces. <br /> • Exercise all active components. <br /> • Verify all indicating and control devices. <br /> • Lubrication <br /> ✓ Verify appropriate contact lubricant on moving current-carrying parts. <br /> ✓ Verify appropriate lubrication on moving and sliding surtaces. <br /> Electrical Testinq <br /> • Perforrn insulation-resistance tests across each open pole for one minute. <br /> . Measure contact-resistance across each switchblade and fuse-holder. <br /> Liquid Filled Transformers <br /> Mechanical Inspection <br /> • Inspect physical and mechanical condition. <br /> + Verify correct liquid level in all tanks and bushings. <br /> � Verify that positive pressure is maintained on nitrogen-blanketed transformers <br /> • Verify correct equipment grounding. <br /> Electrical Testinq <br /> • Insulation Resistance Test(Megger) <br /> . Transformer Tums Ratio Test at the designated tap position <br /> Siemens Energy 8� Automation, Inc. <br /> Process Solutions Division 2220 W Altorfer Dr. Tel: (309)696-0535 www.sea.siemens.com/engineer <br /> Industrial Senrices Business Unit Peoria,IL 61615 Fax:(678)297-8535 <br />