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International standard norme internationale 10

This is a preview - click here to buy the full publication INTERNATIONAL STANDARD NORME INTERNATIONALE IEC - Edition - Rotating electrical machines ?? Part Synchronous hydrogenerators including motor-generators ?? Speci ?c requirements Machines électriques tournantes ?? Partie Hydro-génératrices synchrones y compris les groupes moteurgénérateurs ?? Exigences spéci ?ques INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS ISBN - - - - Warning Make sure that you obtained this publication from an authorized distributor Attention Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale CThis is a preview - click here to buy the full publication ?? ?? IEC - ? IEC CONTENTS FOREWORD Scope Normative references Terms and de ?nitions Site operation conditions Ratings and parameters Output Output rating of a hydrogenerator Output ratings of a motor-generator Increase in active power Under-excited operation Rated voltage Rated power factor Rated speed P-Q capability diagram Voltage and frequency variations during operation E ?ciency and losses Weighted average e ?ciency Losses Determination of winding losses Windage Losses Determination of thrust bearing losses for vertical machines Tolerance of the total losses Electrical parameters and time constants Short-circuit ratio Direct axis transient and subtransient reactances General case Tolerances on reactance Total harmonic distortion THD Torques Temperature Temperature rise Measurements for the stator winding Measurements for the stator core Correction due to deviation from reference operation Bearing temperature Operating performances and electrical connections Special operational requirements Stator overload current Rotor overload current Continuous unbalanced load Short time unbalanced load Mechanical output overload Sudden short circuit Connection to grid Synchronization CThis is a preview - click here to buy the full publication IEC - ? IEC ?? ?? Application of load Starting of motor-generator System earthing Neutral point leads Rotating direction and phase sequence Stator winding Winding insulation Winding insulation performance General Winding insulation resistance Dielectric dissipation factor measurements on new stator bars or coils Partial discharge measurements for stator winding Voltage withstand test for turn insulation of multi-turn coil for stator Voltage withstand tests Stator bars coils Inserted stator bars coils Stator winding completed before rotor inserted Field winding before delivery Field winding completed Stator winding for completed machine Field winding for completed machine DC alternative tests Global VPI stators Breakdown test for insulation Voltage endurance test for insulation Thermal cycle test Stator winding terminals Mechanical performances and design Rotating part mass moment of inertia Maximum speed Structural strength Critical bending speed Start and stop of motor- generators Start and stop of hydrogenerators Over speed Fatigue veri ?cation Core vibration Noise Basic structural requirements General layout Structure and general layout of the machines Machine components Hydraulic or pneumatic braking system Hydraulic jacking system Dynamical electrical braking Stator Frame and core structure Stator frame connecting structure CThis is a preview - click here to buy the full publication ?? ?? IEC - ? IEC Stator end winding Rotor Damper winding Structure with one shaft or segmented shafts Structure tolerance