Embedded Prepaid Energy Meter using PIC Microcontroller

fiercebunΗλεκτρονική - Συσκευές

2 Νοε 2013 (πριν από 3 χρόνια και 9 μήνες)

70 εμφανίσεις

Embedded Prepaid Energy Meter using
PIC

Microcontroller


Synopsis


Due to the drastic changes in technology in the last decade, so many
advancements were introduced in electricity departments. The electricity bill can be
paid now through E
-
Seva centers, AT
Ms, Net
-
banking and even through mobile phones.
But prepaid electricity is a unique and new concept which saves lot of time and a power
for electricity department. In this system the user has to purchase an EEPROM based
recharge card and it should be inser
ted in the slot provided on prepaid energy meter kit.

To use the system again the user has to reload the units by recharging the
system. To recharge the system a separate recharging unit is provided.

The user has to connect the recharge card to rechargin
g unit, and then the units
will be loaded into recharge card. Now the user has to place this recharge card in slot
provided to recharge. After pressing the recharge key, the system will be loaded with
the units corresponding to that
recharge value
. After s
uccessful recharge, the load
automatically gets ON.

Existing System:

1.

Manual meter reading

2.

Analog meter is used


Proposed System:

1.

Prepaid Scheme

2.

Digital meter reading

3.

Accuracy is goo
d






BLOCK DIAGRAM
:

























2x16 LCD

Micro Controlle
r

PIC 16f877

Signal
Conditioni
ng Circuit

CT

PT

Actuator

Unit

Recharge Unit




Hardware Tools:



Microcon
troller:
PIC16F877A



Power Supply



Display

Unit



Actuator


Software Tools:



MPLAB IDE



ORCAD



PICKIT2



Embedded C



Applications:


1.

Industrial Applications

2.

EB office