Alternating current
AC/DC Converter
Driver Relay
Voltage Sensor
Arduino
Current Sensor
LCD
RF Module
Load
Start
Timer Interrupt for
2 ms
Analog to Digital
converter from voltage
and current sensor
Take 10 samples from 2
analog signals
Analog to Digital
converter and
multiply with
factors
Calculate the
magnitude
using DFT
Calculate the
peak voltage
Calculate the root
mean square
voltage
Analog to Digital
converter and
multiply with factors
Calculate the
phase using DFT
Calculate the
phase using DFT
Calculate
theta 2
Calculate
theta 1
Calculate
theta=theta 1theta 2
Calculate
PF=cos(theta)
Calculate power
consumption
Calculate Energy
consumption
Calculate the
magnitude using
DFT
Calculate the peak
current
Calculate the root
mean square
current
RTC
RF Module
ESP8266
Important features of most energy management systems.
System
Choi et al.
Shie et al.
Babu et al.
Chen et al.
structure
Smart office
Smart energy
monitoring system
Intelligent home
controller
Smart home
purpose
Architecture
Control the PC's
status of power
and the lights'
on/off switch
BLE beacons, smart plugs,
and a mobile app are
used in this positioning
strategy.
Different techniques for
scheduling smart plugs in
HEMS
Smart energy
monitoring system
A remote
interface
controller with
customer load
choices. It bases
its decisions on
dynamic tariff
rates that use
fuzzy logic.
Reduce electricity
costs while still
considering
customers'
needs.
HEMS
GPS, sensors, bio-sensors
Cost-saving
average energy savings
of 31.9% for the PCs
and 15.3% for the lights
Not specified
Not specified
Electricity cost can be
reduced 14% on average