Eaton AMPGARD Installation, Operation And Maintenance Instructions

Contents

2Instruction Booklet IB48050Effective September 2012Instructions for installationoperation and maintenance of theAMPGARD 15 kV 300A vacuum startereaton Corporation www.eaton.comm DangerreaD anD unDerstanD this manual in its entirety beforeinstalling or operating controller. installation, aDjustment,repair anD maintenance of these controllers must beperformeD by qualifieD personnel. a qualifieD person isone who is familiar with the construction anD operationof this equipment anD the hazarDs involveD.introductionThis instruction book is intended to cover the handling, installation,operation, and maintenance of AMPGARDT 300A, 15 kV startersand associated equipment The function of these controllers isto start, stop, and protect medium voltage motors, transformers,and other loads Controllers may be of full voltage, reduced voltagereactor, reduced voltage autotransformer, or two-speed typeThey may control induction or synchronous machines, and maybe non-reversing or reversingWhile this instruction book is dedicated primarily to full-voltagestarting, the other applications listed are an expansion of theprinciples identified in this book This book does not purport tocover all possible contingencies, variations, and details that mayarise during operation or maintenance of this equipmentIf further information is desired regarding this product, contactyour local Eaton sales officeFigure 1. 15 kV Starter with Incoming Cable SectionidentificationA rating nameplate is located on the door of each controllerContained on this nameplate are the controller type and ratings asrequired by industry standards Also contained on this nameplateis the factory’s general order number This number should be givento the Eaton sales office if a question should arise concerning theequipment or if renewal parts are required Refer to Figure 2 fortypical location of rating nameplatesMediumVoltageDoorRatingNameplateLowVoltageDoorFigure 2. Starter with Rating Nameplatem DangerexceeDing the nameplate ratings of an ampgarD controllermay cause equipment Damage, severe injury, or Death.Do not apply an AMPGARD controller beyond its nameplate ratingsDescriptionControllerThe AMPGARD 300A, 15 kV controller consists of a non-loadbreakisolation switch, medium voltage current limiting fuses, one ormore Type SL 15 kV vacuum-break contactors, a set of currenttransformers, plus control and protection devices The isolatingswitch has a limited make and break rating, suitable only for closingand opening limited transformer magnetizing currents The controlleris designed to start, stop, and protect a three-phase medium voltagemotor within the ratings shown in Table 1 and Table 2 The controllermay also be used to switch transformer windings as shown Forapplications other than those indicated, consult the factory EachAMPGARD controller occupies all or a portion of a steel structurethat may also enclose a horizontal bus system to distribute powerto two or more sections and a vertical bus system to connectindividual starters to the horizontal bus The controllers areconfigured for full-voltage or reduced voltage starting, reversingor non-reversing, in single-speed or two-speed applications