Electrical Drives

ืžื›ื™ืœ ืžื•ื“ืขื•ืช
+10Kโ€
ื”ื•ืจื“ื•ืช
ืกื™ื•ื•ื’ ืชื•ื›ืŸ
ื›ื•ืœื
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš

ืžื™ื“ืข ืขืœ ื”ืืคืœื™ืงืฆื™ื” ื”ื–ื•

ื›ื•ื ื ื™ื ื—ืฉืžืœื™ื™ื ื”ื ื—ืœืง ื‘ืœืชื™ ื ืคืจื“ ืžืชื”ืœื™ื›ื™ ืชืขืฉื™ื™ื” ื•ืื•ื˜ื•ืžืฆื™ื”, ื‘ืžื™ื•ื—ื“ ื›ืืฉืจ ืฉืœื™ื˜ื” ืžื“ื•ื™ืงืช ืขืœ ืžื”ื™ืจื•ืช ื”ืžื ื•ืข ื”ื™ื ื“ืจื™ืฉืช ื”ืžืžืฉืœื”. ื‘ื ื•ืกืฃ, ื›ืœ ืจื›ื‘ื•ืช ื—ืฉืžืœื™ื•ืช ืžื•ื“ืจื ื™ื•ืช ืื• ืžืขืจื›ื•ืช ืงื˜ืจ ื›ื‘ืจ ืžื•ืคืขืœ ืขืœ ื™ื“ื™ ื›ื•ื ื ื™ื ื—ืฉืžืœื™ื™ื. ืจื•ื‘ื•ื˜ื™ืงื” ื”ื™ื ืชื—ื•ื ืžืจื›ื–ื™ ื ื•ืกืฃ ืฉื‘ื• ื›ื•ื ื ื™ ืžื”ื™ืจื•ืช ืžืชื›ื•ื•ื ื ื™ื ืžืฆื™ืขื™ื ืžื”ื™ืจื•ืช ืžื“ื•ื™ืงืช ื•ืžื™ืงื•ื ืฉืœื™ื˜ื”

โ–บ ื›ื•ื ืŸ ืคื•ืขืœ ื•ืžืคืงื— ืขืœ ืžื”ื™ืจื•ืช, ืžื•ืžื ื˜ ื•ื›ื™ื•ื•ืŸ ืฉืœ ืื•ื‘ื™ื™ืงื˜ื™ื ื ืขื™ื. ื›ื•ื ื ื™ื ืžืฉืžืฉื™ื ื‘ื“ืจืš ื›ืœืœ ืขื‘ื•ืจ ืžื”ื™ืจื•ืช ืื• ื‘ืงืจืช ืชื ื•ืขื” ื™ื™ืฉื•ืžื™ื ื›ื’ื•ืŸ ื›ืœื™ ืžื›ื•ื ื”, ืชื—ื‘ื•ืจื”, ืจื•ื‘ื•ื˜ื™ื, ืื•ื”ื“ื™ื ื•ื›ื• 'ื›ื•ื ื ื™ื ื”ืžืฉืžืฉื™ื ืœืฉืœื™ื˜ื” ืžื ื•ืขื™ื ื—ืฉืžืœื™ื™ื ื™ื“ื•ืขื™ื ื›ื›ื•ื ื ื™ื ื—ืฉืžืœื™ื™ื.

ื”ื›ื•ื ื ื™ื ื™ื›ื•ืœื™ื ืœื”ื™ื•ืช ืžืกื•ื’ ืงื‘ื•ืข ืื• ืžืฉืชื ื”. ื›ื•ื ื ื™ ืžื”ื™ืจื•ืช ืงื‘ื•ืขื™ื ืื™ื ื ื™ืขื™ืœื™ื ืœืคืขื•ืœื•ืช ืžื”ื™ืจื•ืช ืžืฉืชื ื•ืช; ื‘ืžืงืจื™ื ื›ืืœื” ื›ื•ื ื ื™ ืžื”ื™ืจื•ืช ืžืฉืชื ื™ื ืžืฉืžืฉื™ื ืœื”ืคืขืœืช ื”ืขื•ืžืกื™ื ื‘ื›ืœ ืื—ื“ ืžืžื’ื•ื•ืŸ ืจื—ื‘ ืฉืœ ืžื”ื™ืจื•ื™ื•ืช

ื›ื•ื ื ื™ ื”ืžื”ื™ืจื•ืช ืžืชื›ื•ื•ื ื ื™ื ืœืฉืœื™ื˜ื” ืžื“ื•ื™ืงืช ื•ืžืชืžืฉื›ืช ืฉืœ ืžื”ื™ืจื•ืช, ืžื™ืงื•ื ืื• ืžื•ืžื ื˜ ืฉืœ ืขื•ืžืกื™ื ืฉื•ื ื™ื. ื™ื—ื“ ืขื ืคื•ื ืงืฆื™ื” ื–ื• ื”ืขื™ืงืจื™ื™ื, ื™ืฉ ื”ืจื‘ื” ืกื™ื‘ื•ืช ืœื”ืฉืชืžืฉ ื‘ื›ื•ื ื ื™ื ืžื”ื™ืจื•ืช ืžืชื›ื•ื•ื ื ืช. ื—ืœืงื ื›ื•ืœืœื™ื

โžป ื›ื“ื™ ืœื”ืฉื™ื’ ื™ืขื™ืœื•ืช ื’ื‘ื•ื”ื”: ื›ื•ื ื ื™ื ื—ืฉืžืœื™ื™ื ืžืืคืฉืจื™ื ืœื”ืฉืชืžืฉ ื‘ืžื’ื•ื•ืŸ ืจื—ื‘ ืฉืœ ื—ืฉืžืœ, ื”ื—ืœ ืž milliwatts ื›ื“ื™ ืžื’ื” ื•ื•ืื˜ ื‘ืžื”ื™ืจื•ื™ื•ืช ืฉื•ื ื•ืช ื•ืœื›ืŸ ื”ืขืœื•ืช ื”ื›ื•ืœืœืช ืฉืœ ื”ื”ืคืขืœื” ืฉืœ ื”ืžืขืจื›ืช ืžื•ืคื—ืช

โžป ื›ื“ื™ ืœื”ื’ื‘ื™ืจ ืืช ืžื”ื™ืจื•ืช ื”ื“ื™ื•ืง ืฉืœ ืขืฆื™ืจืช ืื• ื”ื™ืคื•ืš ืคืขื•ืœื•ืช ืฉืœ ื”ืžื ื•ืข

โžป ื›ื“ื™ ืœืฉืœื•ื˜ ืขืœ ื”ื–ืจื ื”ื—ืœ

โžป ื›ื“ื™ ืœืกืคืง ืืช ื”ื”ื’ื ื”

โžป ื›ื“ื™ ืœื™ืฆื•ืจ ื‘ืงืจื” ืžืชืงื“ืžืช ืขื ื•ืจื™ืืฆื™ื” ืฉืœ ืคืจืžื˜ืจื™ื ื›ื’ื•ืŸ ื˜ืžืคืจื˜ื•ืจื”, ืœื—ืฅ, ืจืžื” ื•ื›ื• '.

ย ย ใ€ื ื•ืฉืื™ื ื”ืžื›ื•ืกื™ื ื‘ื™ื™ืฉื•ื ื–ื” ืžืคื•ืจื˜ื™ื ืœื”ืœืŸใ€‘


ืžื ื•ืข DC ืื• ืžื ื•ืข ื™ืฉืจ ื™ืฉื™ืจ

โ‡ข ืขื™ืงืจื•ืŸ ืขื‘ื•ื“ื” ืฉืœ ืฉืœื•ืฉื” ืžื ื•ืขื™ ืื™ื ื“ื•ืงืฆื™ื”

Working ืขื™ืงืจื•ืŸ ืขื‘ื•ื“ื” ืžื•ื˜ื•ืจื™ ืกื™ื ื›ืจื•ื ื™

โ‡ข ื“ื™ืจื•ื’ ื—ืฉืžืœ ืžื ื•ืข ื—ืฉืžืœื™

โ‡ข ื”ื—ื•ื‘ื” ืœื“ื™ื•ืจ ืžื•ื˜ื•ืจื™ ื•ืกื™ื•ื•ื’ื•

ืื™ื ื“ื•ืงืฆื™ื” ืžื ื•ืข ื‘ืœื™ืžื” ืžื—ื•ื“ืฉ ื—ื™ื‘ื•ืจ ื‘ืœืžื™ื ื“ื™ื ืžื™ื™ื ืฉืœ ืžื ื•ืข ื”ืฉืจืื”

โ‡ข ื›ื•ื ื ื™ ืžื ื•ืข ืื™ื ื“ื•ืงืฆื™ื” ื”ื—ืœ ืžื”ื™ืจื•ืช ื‘ืœื™ืžื” ืžื”ื™ืจื•ืช ืฉืœ ืžื ื•ืข ื”ืฉืจืื”

ื›ื•ื ื ื™ ื“ื™ืกืงื™ื DC

โ‡ข ื“ื™ื ืžื™ืงื” ืฉืœ ื›ื•ื ื ื™ื ื—ืฉืžืœื™ื™ื

โ‡ข ืžืžืฉืงื™ ืฉืœ ืžื ื•ืข ืฆืขื“

ื‘ืงืจืช ื›ื•ื ื ื™ื ื—ืฉืžืœื™ื™ื

Motor ื›ื•ื ื ื™ ืžื ื•ืข ืกื™ื ื›ืจื•ื ื™

โ‡ข Hysteresis ืžื•ื˜ื•ืจ

โ‡ข ืกื˜ืคืจ ื›ื•ื ืŸ ืžื•ื˜ื•ืจื™

โ‡ข ื“ื• ืงื•ื˜ื‘ื™ืช ืžื•ื˜ื•ืจื™ืช

ืžื” ื–ื” Braking? ืกื•ื’ื™ ื‘ืœื™ืžื” ื‘ืจื’ื™ื ื“ื™ื ืžื™ื™ื

โ‡ข ืกื•ื’ื™ ื‘ืœื™ืžื” ื‘ืžื ื•ืข DC

ืžื”ื• ืžื ื•ืข ืกืจื•ื•?

โ‡ข ืกืจื•ื›ื•ืžื ื™ื•ืช ืชื™ืื•ืจื™ื” ื•ืขืงืจื•ืŸ ืขื‘ื•ื“ื” ืฉืœ ืกืจื•ื• ืžื•ื˜ื•ืจ

โ‡ข ื‘ืงืจืช ืžื ื•ืข ืกืจื•ื•

โ‡ข DC ืกืจื•ื• ืžื•ื˜ื•ืจืก ื”ืชื™ืื•ืจื™ื” ืฉืœ ืžื ื•ืข ืกืจื•ื• DC

โ‡ข ื‘ืงืจ ืกืจื•ื• ืžื•ื˜ื•ืจ ืื• ืกืจื•ื•

โ‡ข ืกืจื•ื• ื™ื™ืฉื•ืžื™ื ืžื•ื˜ื•ืจื™ื™ื ื‘ืจื•ื‘ื•ื˜ื™ืงื” ืžืขืจื›ืช ืžืขืงื‘ ื”ืฉืžืฉ ื•ื›ื• '

โ‡ข ื›ื•ื ืŸ ืชื“ืจ ืžืฉืชื ื” ืื• VFD

โ‡ข ืžื ื•ืขื™ื ื—ืฉืžืœื™ื™ื

ืžืขื’ืœื™ื ืžื’ื ื˜ื™ื™ื

โ‡ข ืคืขืจ ื”ืื•ื•ื™ืจ

โ‡ข ื™ื™ืฆื•ืจ ืžื•ืžื ื˜

โ‡ข ื˜ืขื™ื ื•ืช ืกืคืฆื™ืคื™ื•ืช ื•ืชืคื•ืงื” ืกืคืฆื™ืคื™ืช

โ‡ข ืื ืจื’ื™ื” ื”ืžืจื” - Motional Emf

ืžืขื’ืœ ืฉื•ื•ื” ืขืจืš

โ‡ข ืžืืคื™ื™ื ื™ื ื›ืœืœื™ื™ื ืฉืœ ืžื ื•ืขื™ื ื—ืฉืžืœื™ื™ื

โ‡ข ื›ื•ื— ืžืžื™ืจื™ื ืืœืงื˜ืจื•ื ื™ื™ื ืขื‘ื•ืจ ื›ื•ื ื ื™ ืžื ื•ืข

โ‡ข ื‘ืงืจืช ืžืชื— - ืชืคื•ืงืช ื“.ืง.

โ‡ข ืžืกื•ืง ืขื ืขื•ืžืก ืื™ื ื“ื•ืงื˜ื™ื‘ื™ - ื”ื’ื ืช ืžืชื— ื™ืชืจ

ื“ "ืž ืž - .ื ืชื™ืงื•ืŸ ืžื‘ื•ืงืจืช

โ‡ข 3-phase ืžืžื™ืจ ืžื‘ื•ืงืจ ื‘ืžืœื•ืื•

โ‡ข C. ืž D.C SP - ื”ื™ืคื•ืš SP

P PWM ืกื™ื ื•ืกื™

โ‡ข ืžื”ืคืš ืžื™ืชื•ื’ ื”ืชืงื ื™ื

โ‡ข ืงื™ืจื•ืจ ืฉืœ ืžื™ืชื•ื’ ืžื™ืชื•ื’

โ‡ข ืžื ื•ืขื™ื ืงื•ื ื‘ื ืฆื™ื•ื ืœื™ื™ื

โ‡ข ื”ืชื ื”ื’ื•ืช ื—ื•ืœืคืช - ื”ืชืคืจืฆื•ืช ื ื•ื›ื—ื™ืช

โ‡ข Shunt, ืกื“ืจื” ื•ืžื›ื•ื ื™ื•ืช ืžื ื•ืขื™ื

โ‡ข Shunt ื”ืžื ื•ืข - ืžืฆื‘ ื™ืฆื™ื‘ ืžืฆื‘ ื”ื”ืคืขืœื”

โ‡ข ืืจื‘ืขื” Quadrant ืžื‘ืฆืข ื• regenerative ื‘ืœื™ืžื”

โ‡ข ืžื”ื™ืจื•ืช reenerative ืžื”ื™ืจื•ืช ืžืœืื”

โ‡ข ืฆืขืฆื•ืข ืžื•ื˜ื•ืจืก

ื›ื•ื ื ื™ื ืžืžื•ื ืขื™ื

Current ื–ืจื ืจืฆื™ืฃ

โ‡ข ื›ื•ื ื ื™ื ื”ื™ืคื•ืš ื™ื—ื™ื“ ืžืžื™ืจ

โ‡ข ื”ืกื“ืจื™ ื‘ืงืจื” ืขื‘ื•ืจ ื›ื•ื ื ื™ D.C.

โ‡ข Chopper-Fed D.C. ื›ื•ื ื ื™ ืžื ื•ืข

ื›ื•ื ื ื™ ืกืจื•ื•

โ‡ข ืฉื ืื™ ื ื“ืœ

โ‡ข ื›ื•ื ื ื™ ืื™ื ื“ื•ืงืฆื™ื” ืžื”ื™ืจื™ื
ืขื“ื›ื•ืŸ ืื—ืจื•ืŸ ื‘ืชืืจื™ืš
5 ื‘ื“ืฆืžืณ 2019

ืื‘ื˜ื—ืช ื ืชื•ื ื™ื

ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื”ื‘ื˜ื™ื—ื•ืช ืฆืจื™ืš ืงื•ื“ื ื›ืœ ืœื”ื‘ื™ืŸ ืื™ืš ื”ืžืคืชื—ื™ื ืื•ืกืคื™ื ื•ืžืฉืชืคื™ื ืืช ื”ื ืชื•ื ื™ื ืฉืœืš. ื ื•ื”ืœื™ ืคืจื˜ื™ื•ืช ื”ื ืชื•ื ื™ื ื•ืื‘ื˜ื—ืช ื”ื ืชื•ื ื™ื ืขืฉื•ื™ื™ื ืœื”ืฉืชื ื•ืช ื‘ื”ืชืื ืœืฉื™ืžื•ืฉ, ืœืื–ื•ืจ ื•ืœื’ื™ืœ ื”ืžืฉืชืžืฉ. ื”ืžืคืชื— ืกื™ืคืง ืืช ื”ืžื™ื“ืข ื”ื–ื” ื•ื”ื•ื ืขืฉื•ื™ ืœืขื“ื›ืŸ ืื•ืชื• ืžื“ื™ ืคืขื.
ื”ืืคืœื™ืงืฆื™ื” ื”ื–ืืช ืขืฉื•ื™ื” ืœืฉืชืฃ ืืช ืกื•ื’ื™ ื”ื ืชื•ื ื™ื ื”ืืœื” ืขื ืฆื“ื“ื™ื ืฉืœื™ืฉื™ื™ื
ืžื–ื”ื” ื”ืžื›ืฉื™ืจ ืื• ืžื–ื”ื™ื ืื—ืจื™ื
ื”ื ืชื•ื ื™ื ืžื•ืฆืคื ื™ื ื‘ื–ืžืŸ ื”ื”ืขื‘ืจื”
ืื™ ืืคืฉืจ ืœืžื—ื•ืง ืืช ื”ื ืชื•ื ื™ื

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ืชืžื™ื›ื” ื‘ืืคืœื™ืงืฆื™ื”

ืžื™ื“ืข ืขืœ ืžืคืชื—ื™ ื”ืืคืœื™ืงืฆื™ื”
Prabhu Thankaraju
vishwasparrow@gmail.com
101-B,Nishadham Bldg,1/5 Chipale,Panvel NAVI MUMBAI, Maharashtra 410206 India

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