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Introduction of DC Machines (in Hindi)
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In this course we will discuss about introduction of dc machine

Manish Shakya
I AM A SELF- STARTER WITH STRONG INTER PERSONAL SKILLS.I SEEK NEW CHALLENGES AND TRY TO THINK OUT OF THE BOX WHILE LOOKING FOR CREATIVE SOLU

U
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  1. DC MACHINES


  2. GATE QUESTIONS OF DC MACHINES By- MANISH KUMAR SHAKYA


  3. ABOUT ME B.TECH WITH ELECTRICAL AND ELECTRONICS FROM KIET,GHAZIABAD IN 2012 CLEARED GATE,SBI AND IBPS BY- MANISH KUMAR SHAKYA FOLLOW ON- https://unacademy.com/user/ manishshakya-4406


  4. TARGET AUDIENCE B.tech students of electrical branch Students who are preparing for gate Students who are preparing for engineering services examination Students who are preparing for various psu's Students who are preparing for RRB JE exam


  5. COURSE OVERVIEW INTRODUCTION OF DC MACHINES TORQUE EQUATION EFFICIENCY OF DC MACHINES ARMATURE REACTION SPEED CONTROL OF DC MACHINES


  6. DC MACHINE Is A FLEXIBLE AND HIGHLy VeRSATILE ENERGY CONNERS1ON MACHINE . TT CAN EASIL SUPPLY TH6 DEMAND 0 LOADS ReaN aH STARTING TORQUE HIGH ACCELERATING AND HIGH DecELeRATINS TORQuES DC MACHINE S ALSO SUI TA BL foR DRIVES REQUIRIN WiDE RANGE Of SPEED CoNTROL. HiGH DECELERAT Mechanic M o o R Electrical DOMAIN Iesecteicas GEN ERA TOR Mechanical


  7. THEIR ARE Types 0f ARTS IN DC MACHINES a STATOR b RoTOR b) RoToR Have ARMATURE MINDINSS 1ELD WINDINGS AR USED TO CRE ATE pwx, So THEIR Is No REAL owER TRANSFERRED THROUGH FELD INDINSS. AND THE ARMA TURE WINDINs ?oweR S ARE UseD To TRAASCER THE REAu "IN ARMATURE WINDINS AC VOLTAGE ACCORRENT ARE INDU CED BUT IT Is RecTIFIED BY US INS COMMUTATOR.


  8. COMMUTATOR Ir ls A MECHANICAL RECTIFIER YoLTAGE INDUCE D IN ARMATURE ls ALTERNATING IN NATURE. A MECHANICAL CoMMUTATOR9 BeUsH AsseMeLING SUNCTION As A RECTIfIER OR INVERTER MAKING THE ARMATURE TERMINAL NoLTAGE UNt-DiRECTioNAL EMF EQUATION K CONSTANT ->2 (wAve VINDIN N SPEED , In rpm


  9. A SI-PoLE,5okw, Dc MACHINE OPERATING AT 1180 nin EDUCED To '5 % 0f ITS ORIGINAL VALUE AND TRE POLE fLUX DOUBLED, THEN INDUCED EMf WOULD (a) 136.8V (C) 02.6y Sol (b 205 2 v (d) 36.8V : %.


  10. WHAT DO YOU NEED TO DO Follow Rate Review share