Ge-industrial-solutions 6KBU300 Braking Unit User Manual

6KBU300Braking UnitGE Industrial Control SystemsGE Industrial Control SystemsINSTRUCTIONS

6KBU300—————— TECHNICAL DATA ——————313. TECHNICAL DATAModel Dissipated power @ Full load Peak current Average current6KBU300-20 130 W 50 A 20 A6KBU3

GEI-100350A—————— TECHNICAL DATA ——————320V24(MCMD)ALOKBRMASTERMASTERDCHG745V680V640V400VNCS1SOUTSOUTSINSIN76RESETS3 RESETS3RESETTIMMCMD0V24+24VNCNC

6KBU300—————— TECHNICAL DATA ——————333.2. HARDWARE SPECIFICATIONS3.2.1. Power requiredThe supply of the braking unit is directly obtained by the DC

GEI-100350A—————— TECHNICAL DATA ——————34Regulation board terminal strips:Terminals Name Function I/Q Volt. max. Curr. max.1 +24V Supply for command

6KBU300—————— TECHNICAL DATA ——————353.2.5. Dip Switches descriptionDenomination FunctionS1-1Enabling of the function for quick discharge of the DC

GEI-100350A—————— TECHNICAL DATA ——————36In this configuration, when the Master unit reaches the set intervention threshold, it manages also the int

6KBU300—————— TECHNICAL DATA ——————37The max. lenght of the connections between braking units and inverters must not exceed two meters, (thetwisted

GEI-100350A—————— TECHNICAL DATA ——————383.6. USE OF DC LINK DISCHARGE FUNCTIONThe braking unit can be used for discharging of DC Link with high cap

6KBU300—————— DIMENSIONING... AND CORRESPONDING... ——————414. DIMENSIONING OF THE BRAKING UNIT ANDCORRESPONDINGRESISTORWhat below indicated should

GEI-100350A—————— DIMENSIONING... AND CORRESPONDING... ——————42Being normally n2 = 0 (stop), we will have that:E=BRP*tPBR BR12f006Braking unit fea

6KBU300—————— DIMENSIONING... AND CORRESPONDING... ——————43But, if we want to take into account also the friction of the system, the braking energy

GEI-100350A—————— DIMENSIONING... AND CORRESPONDING... ——————444.1. SIMPLIFIED DIMENSIONING OF THE RESISTORIn case all the above mentioned data were

6KBU300—————— DIMENSIONING... AND CORRESPONDING... ——————45To calculate the value of the costant power (or rated) of the braking resistor using this

6KBU300—————— MINIMUM VALUE OF OF THE RESISTANCES ——————515. MINIMUM VALUE OF THE RESISTORS THAT CANBEUSEDModel Value of intervention threshold4

6KBU300—————— STANDARD BRAKING RESISTANCES ——————616. STANDARD BRAKING RESISTORSIn order to simplify the choice of the resistor that has to be used,

GEI-100350A—————— STANDARD BRAKING RESISTANCES ——————62AV300 BU300 POVL[KW]PAVBR[KW]EBR[Kwsec]tOVLBR[sec]tBR[sec]PNBR[KW]RESISTANCESMARKOHMICVALUE30

6KBU300—————— SUPERFAST DC FUSE TABLE ——————717. EXTERNAL PANEL MOUNTED DC FUSERecommended fuses that must be inserted on terminals C and D.Model Fu

6KBU300 Braking UnitInstruction Manual

6KBU300—————— BLOCKS DIAGRAM ——————818. BLOCKS DIAGRAM1 2 3 4 5 6 7 8 9ABCDE123456789ABCDENAME :NAME:DES. SCH. APPR.Nr :Nr:DATE :DATE:PAGE OVERMOD.I

GE Industrial Control SystemsWe bring good things to life.GEI-100350A Rev. 2.0 (6/98)Internet Address: http://www.ge.com

This book replaces the Instruction Book GEI-100350A Rev. 1.0 (9/97)All rights reservedThese instructions do not purport to cover all details or variat

6KBU300—————— CONTENTS ——————ICONTENTS1. GENERAL  12. MAINS CHARACTERISTIC  13. TECHNICAL DATA 

6KBU300—————— GENERAL ——————111. GENERALThe braking unit 6KBU300 is basically composed by a static switch (IGBT) controlling the voltage of the inte

6KBU300—————— MAINS CHARACTERISTIC ——————212. MAINS CHARACTERISTICS- Protection IP20- Max. working temperature 40°C (104°F) ambient (max 50°C (122°F