LEOPRABU
EBOOK-INTRODUCTION TO MICROPROCESSORS AND MICROCONTROLLERS 





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LEOPRABU
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LESSON 1--INTRO
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-1%28SSG%29%28PE%29%20%28%28EE%29NPTEL%29.pdf

LESSON 2--FEATURES,OPERATION & CHARACTERISTICS OF SEMI CONDUCTORS
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-2%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 3--BJT
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-3%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 4 -- THYRISTOR & TRIAC
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-4%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 5 -- GTO
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-5%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 6--- MOSFET
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-6%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 7 --- IGBT
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-7%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 8-- HARD & SOFT SWITCHING POWER SEMICONDUCTORS
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-8%28SSG%29%28PE%29%20%20%28%28EE%29NPTEL%29.pdf


LESSON 9---SINGLE PHASE UNCONTROLLED RECTIFIERShttp://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-9%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 10--SINGLE PHASE FULLY CONTROLLED RECTIFIER
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-10%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 11-- SINGLE PHASE HALF CONTROLLED BRIDGE CONVERTER
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-11%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 12--SINGLE PHASE UNCONTROLLED RECTIFIER
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-12%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 13-- OPERATION & ANALYSIS OF 3-PHASE FULLY CONTROLLED BRIDGE             RECTIFIER
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-13%28DK%29%28PE%29%20%28%28EE%29NPTEL%29%20.pdf
LESSON 14--OPERATION & ANALYSIS OF 3-PHASE HALF CONTROLLED CONVERTER
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-14%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf
LESSON 15-- EFFECT OF SOURCE OF INDUCTANCE
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-15%28DK%29%28PE%29%20%28%28EE%29NPTEL%29.pdf 

LESSON 16 -- POWER FACTOR IMPROVEMENT, HARMONIC REDUCTION, FILTER
http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-16%28NKD%29%28PE%29%20%28%28EE%29NPTEL%29%20.pdf
LEOPRABU

FORMULAS, EQUATIONS & LAWS

 
Symbolic:
E =VOLTS ~or~ (V = VOLTS)
P =WATTS ~or~ (W = WATTS)
R = OHMS ~or~ (R = RESISTANCE)
I =AMPERES ~or~ (A = AMPERES)
HP = HORSEPOWER
PF = POWER FACTOR
kW = KILOWATTS
kWh = KILOWATT HOUR
VA = VOLT-AMPERES
kVA = KILOVOLT-AMPERES
C = CAPACITANCE
EFF = EFFICIENCY (expressed as a decimal)
 
DIRECT CURRENT
 
AMPS=WATTS÷VOLTSI = P ÷ EA = W ÷ V
WATTS=VOLTS x AMPSP = E x IW = V x A
VOLTS=WATTS ÷ AMPSE = P ÷ IV = W ÷ A
HORSEPOWER=(V x A x EFF)÷746
EFFICIENCY=(746 x HP)÷(V x A)
 
AC SINGLE PHASE ~ 1ø
 
AMPS=WATTS÷(VOLTS x PF)I=P÷(E x PF)A=W÷(V x PF)
WATTS=VOLTS x AMPS x PFP=E x I x PFW=V x A x PF
VOLTS=WATTS÷AMPSE=P÷IV=W÷A
VOLT-AMPS=VOLTS x AMPSVA=E x IVA=V x A
HORSEPOWER=(V x A x EFF x PF)÷746
POWERFACTOR=INPUT WATTS÷(V x A)
EFFICIENCY=(746 x HP)÷(V x A x PF)
 
AC THREE PHASE ~ 3ø
 
AMPS=WATTS÷(1.732 x VOLTS x PF)I = P÷(1.732 x E x PF)
WATTS=1.732 x VOLTS x AMPS x PFP = 1.732 x E x I x PF
VOLTS=WATTS÷AMPSE=P÷I
VOLT-AMPS=1.732 x VOLTS x AMPSVA=1.732 x E x I
HORSEPOWER=(1.732 x V x A x EFF x PF)÷746
POWERFACTOR=INPUT WATTS÷(1.732 x V x A)
EFFICIENCY=(746 x HP)÷(1.732 x V x A x PF)