Speed Control of Ceiling Fan Using
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Transcript of Speed Control of Ceiling Fan Using
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K.anusha (09BA1A0203)
K.pavan kumar reddy (09BA1A0214)
B.ranjith kumar (09BA1A0221)V.ravi teja (09BA1A0223)
Under The Guidance Of
Miss.G.Sirisha mam
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Methods for controlling Ceiling fan
1.Capacitor-stepped2. Transformer-based controls
3. Solid State speed
4. Pull chain5. Remote control
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control is very easy.
remote which we use for a TV is
sufficient
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AT
8
9
S
52
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Transformer
Bridge Rectifier
Capacitor Filter
voltage Regulator
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Step-down voltage
from 230V AC to 9VAC
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diodes Voltageregulator
Electrolytecapacitor
Ceramic
capacitor
resistor
LED
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Atmel AT89S52 Microcontroller
TSOP
MOC3021 (Opto isolators or TRIAC driver)
TRIAC BT136-600D
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TSOPIR TRANSMITTER
Opto isolatorOr
TRIAC driver
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Capacitor Start AC Induction Motor
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Permanent Split CapacitorAC induction motor
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speed of fan can be controlled in various
levels
Our normal T.V. remote can be used for this
purpose
Remote operating distance up to 30 ft / 10
mts.
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Provision for switching ON/OFF Fan instantly.
Spark less switching increases switches life.
Prevents us from risk of electrical shock and
short circuit
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This project can also be extended to domestic
and industrial purposes as home appliances
controlling using IR.
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Principles of Electronics By V.K. MEHTA
www.nataionalsemiconductors.com
www.atmel.com
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