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I
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2436
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I
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D
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m
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s
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ts
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two
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p
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tan
t
asp
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ts
to
m
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ito
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r
eg
ar
d
in
g
th
e
u
s
e
o
f
elec
tr
ical
en
er
g
y
ar
e
th
e
q
u
an
tity
o
f
ele
ctr
ical
en
er
g
y
u
s
ed
b
ec
au
s
e
it
is
r
elate
d
to
b
ill
p
a
y
m
en
ts
an
d
th
e
q
u
ality
o
f
elec
tr
ical
en
er
g
y
b
ec
a
u
s
e
it
is
r
ela
ted
to
th
e
s
af
ety
o
f
elec
tr
ical
eq
u
ip
m
en
t
f
r
o
m
th
e
r
is
k
o
f
d
am
ag
e.
Fro
m
th
e
s
id
e
o
f
elec
tr
ical
e
n
er
g
y
co
m
p
an
ie
s
,
elec
tr
ical
en
er
g
y
m
o
n
ito
r
in
g
n
ee
d
s
to
b
e
ca
r
r
i
ed
o
u
t
f
o
r
en
e
r
g
y
m
an
a
g
em
e
n
t
p
u
r
p
o
s
es
in
clu
d
i
n
g
p
lan
n
i
n
g
elec
tr
ical
e
n
er
g
y
g
en
er
atio
n
ca
p
ac
ity
,
d
etec
tin
g
d
is
tr
ib
u
tio
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d
is
tu
r
b
a
n
ce
s
an
d
en
s
u
r
in
g
th
at
th
e
elec
tr
ical
e
n
er
g
y
d
is
tr
ib
u
ted
t
o
co
n
s
u
m
er
s
h
as
q
u
ality
v
a
r
iab
les
th
at
co
m
p
ly
with
s
tan
d
ar
d
s
s
o
th
at
it
is
s
af
e.
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f
ar
,
elec
tr
ical
en
er
g
y
co
n
s
u
m
p
tio
n
m
o
n
ito
r
in
g
b
y
c
u
s
to
m
er
s
h
as
b
ee
n
co
m
m
o
n
ly
ca
r
r
ied
o
u
t
b
y
u
s
in
g
elec
tr
icity
m
eter
s
,
h
o
wev
er
elec
tr
ical
en
er
g
y
q
u
ality
m
o
n
ito
r
in
g
was sti
ll v
er
y
r
a
r
ely
ca
r
r
ied
o
u
t.
C
u
r
r
en
tly
,
a
tr
ad
itio
n
al
m
eter
i
n
g
s
y
s
tem
was
p
r
o
v
id
ed
an
d
in
s
talled
in
ev
e
r
y
h
o
u
s
e
o
r
b
u
ild
in
g
b
y
th
e
en
er
g
y
c
o
m
p
a
n
y
.
T
h
is
ty
p
e
m
eter
in
g
s
y
s
tem
is
m
ain
ly
d
ed
icate
d
f
o
r
r
ec
o
r
d
in
g
th
e
e
n
er
g
y
c
o
n
s
u
m
p
tio
n
an
d
d
is
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g
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s
o
t
h
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it
ca
n
b
e
c
h
ec
k
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b
y
s
ee
in
g
it
d
ir
ec
tly
o
n
ly
f
o
r
r
ec
o
r
d
in
g
an
d
b
illi
n
g
p
u
r
p
o
s
es.
I
f
n
ec
ess
ar
y
,
f
o
r
e
x
am
p
le
f
o
r
f
u
r
th
er
an
aly
s
is
,
co
n
tin
u
o
u
s
m
o
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ito
r
in
g
o
f
elec
tr
ical
en
er
g
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c
o
n
s
u
m
p
tio
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d
o
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e
m
an
u
ally
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am
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g
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ec
tly
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th
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icity
m
eter
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d
th
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m
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n
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a
l
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p
ap
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o
r
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s
in
g
a
s
p
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ea
d
s
h
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t
ap
p
licatio
n
.
T
h
is
ac
tiv
ity
is
lab
o
r
an
d
tim
e
co
n
s
u
m
in
g
s
o
th
at
it
is
ar
g
u
ab
ly
in
ef
f
icien
t.
Dev
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p
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en
t
o
f
m
o
n
ito
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in
g
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s
tem
s
o
r
m
eter
in
g
s
y
s
tem
s
aim
ed
f
o
r
elec
tr
ical
e
n
er
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m
an
a
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t
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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t J E
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&
C
o
m
p
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n
g
I
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N:
2088
-
8
7
0
8
E
lectrica
l p
o
w
er su
b
mete
r
fo
r
q
u
a
lity a
n
d
en
erg
y
mo
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in
g
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s
in
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Wemo
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…
(
Heru
S
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p
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iy
o
n
o
)
2437
s
y
s
tem
s
h
as
attr
ac
ted
atten
tio
n
f
r
o
m
r
esear
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ex
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p
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r
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p
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d
in
[
1
]
–
[
4
]
an
d
s
o
o
n
.
So
m
e
o
f
th
ese
p
u
b
licatio
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s
ca
lled
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ev
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p
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g
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a
s
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ain
co
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ts
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ar
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m
eter
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v
ices,
d
atab
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ata
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m
m
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icatio
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tem
s
,
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d
co
n
tr
o
l
m
ec
h
an
is
m
s
[
5
]
.
T
h
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s
m
ar
t
m
eter
co
u
ld
b
e
u
s
ed
f
o
r
p
o
wer
q
u
alit
y
m
o
n
ito
r
in
g
[
6
]
o
r
en
er
g
y
co
n
s
u
m
p
tio
n
m
o
n
ito
r
i
n
g
[
2
]
,
[
7
]
.
T
h
e
u
s
e
o
f
elec
tr
ical
en
er
g
y
s
m
ar
t
m
eter
w
h
ich
h
as
d
ata
r
ec
o
r
d
a
n
d
s
to
r
ag
e
f
ea
tu
r
es
allo
ws
to
g
en
er
ate
d
ata
f
o
r
f
u
r
th
er
an
al
y
s
is
f
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ex
am
p
le
in
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g
y
co
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s
u
m
p
tio
n
an
aly
s
is
f
o
r
m
itig
atin
g
r
is
k
[
8
]
,
h
o
u
s
eh
o
ld
class
if
icatio
n
[
9
]
,
h
o
u
s
eh
o
l
d
clu
s
ter
in
g
[
1
0
]
,
h
o
u
s
eh
o
ld
s
ch
ar
ac
ter
is
tics
[
1
1
]
an
d
s
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s
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p
t
io
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m
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g
[
1
2
]
wh
ich
co
u
ld
b
e
u
s
ed
f
o
r
p
lan
n
in
g
elec
tr
ical
e
n
er
g
y
u
s
e
to
i
n
cr
ea
s
e
en
e
r
g
y
ef
f
icien
c
y
[
1
3
]
.
Mo
r
e
o
v
er
,
en
e
r
g
y
co
n
s
u
m
p
tio
n
m
o
n
ito
r
in
g
wo
u
ld
b
e
u
s
ef
u
l
f
o
r
d
etec
tin
g
th
e
an
o
m
aly
o
f
en
er
g
y
u
s
ag
e
wh
ich
co
u
ld
b
e
u
s
ed
as
a
n
in
i
tial
in
d
icato
r
o
f
th
e
co
n
d
itio
n
o
f
p
e
o
p
le
liv
in
g
in
t
h
e
b
u
ild
in
g
[
1
4
]
,
[
1
5
]
.
Mo
n
ito
r
in
g
o
f
elec
tr
ical
p
o
we
r
q
u
ality
ca
n
b
e
d
o
n
e
m
an
u
all
y
,
n
a
m
ely
b
y
u
s
in
g
a
m
a
n
u
al
m
ea
s
u
r
in
g
in
s
tr
u
m
en
t
an
d
th
e
n
r
ec
o
r
d
in
g
v
ar
iab
le
v
alu
es
r
elate
d
to
e
lectr
ical
p
o
wer
q
u
ality
f
o
r
ea
r
ly
war
n
in
g
o
f
th
e
s
af
ety
o
f
elec
tr
ical
eq
u
ip
m
en
t
o
r
f
o
r
f
u
r
th
er
an
al
y
s
is
.
Ma
n
u
al
m
o
n
ito
r
in
g
o
f
p
o
wer
q
u
ality
co
u
ld
n
o
t
p
r
o
v
id
e
co
n
tin
u
o
u
s
m
o
n
ito
r
in
g
,
s
o
th
a
t
if
th
e
p
o
wer
q
u
ality
d
o
es
n
o
t
co
n
f
o
r
m
to
th
e
s
tan
d
ar
d
,
it
co
u
ld
b
e
k
n
o
wn
o
n
ly
af
ter
th
e
h
o
m
e
ap
p
lian
ce
s
o
r
e
lectr
ical
in
s
tr
u
m
en
ts
wer
e
b
r
o
k
en
.
E
lectr
ical
p
o
wer
q
u
ality
i
s
v
er
y
im
p
o
r
tan
t
to
m
o
n
ito
r
a
n
d
h
as a
ttra
cted
atten
tio
n
o
f
r
esear
ch
er
s
as r
ev
iew
ed
in
[
1
6
]
.
T
wo
m
ain
v
a
r
iab
les
m
ea
s
u
r
ed
in
th
e
p
o
wer
q
u
ality
m
o
n
ito
r
i
n
g
ar
e
v
o
ltag
e,
an
d
c
u
r
r
e
n
t.
B
esid
es,
th
e
p
o
wer
f
ac
to
r
is
also
an
im
p
o
r
tan
t
v
ar
iab
le
to
m
o
n
it
o
r
[
1
7
]
.
Am
o
n
g
th
ese
v
ar
iab
les,
v
o
ltag
e
ch
ar
ac
ter
is
tics
esp
ec
ially
v
o
ltag
e
f
lu
ctu
atio
n
s
is
th
e
m
o
s
t
m
o
n
ito
r
ed
v
a
r
iab
le
[
1
8
]
,
[
1
9
]
.
R
esear
ch
er
s
w
er
e
in
ter
ested
in
th
e
d
ev
elo
p
m
e
n
t
o
f
p
o
wer
q
u
ality
m
o
n
ito
r
i
n
g
s
y
s
tem
s
,
m
o
s
tly
f
o
r
g
r
i
d
elec
tr
ical
p
o
wer
n
etwo
r
k
s
,
f
o
r
e
x
am
p
l
e
r
esear
ch
r
ep
o
r
ted
in
[
2
0
]
,
[
2
1
]
.
Po
wer
q
u
ality
m
o
n
ito
r
in
g
i
s
v
er
y
u
s
ef
u
l
to
b
e
ap
p
lied
f
o
r
a
b
u
ild
i
n
g
o
r
a
h
o
u
s
e.
A
s
y
s
tem
f
o
r
m
o
n
ito
r
in
g
elec
tr
ical
p
o
wer
q
u
ality
co
u
l
d
b
e
p
lace
d
in
th
e
m
ain
m
eter
o
r
b
e
em
b
ed
d
ed
in
a
ce
r
tain
a
r
ea
o
f
t
h
e
b
u
ild
in
g
wh
ich
is
ca
lled
a
s
u
b
-
m
et
er
[
2
2
]
.
B
esid
es
p
r
o
ac
tiv
e
m
ea
s
u
r
es
to
p
r
o
tect
h
o
u
s
eh
o
ld
a
p
p
lian
ce
s
f
r
o
m
p
o
o
r
q
u
ality
p
o
wer
,
r
esear
ch
e
r
s
also
p
r
o
p
o
s
ed
m
o
n
ito
r
in
g
p
o
w
er
q
u
ality
as a
b
asis
o
f
its
tar
if
f
f
o
r
cu
s
to
m
er
s
[
2
3
]
.
B
ased
o
n
th
e
r
esear
ch
r
esu
lts
ab
o
v
e,
in
th
is
ar
ticle,
a
m
o
n
ito
r
in
g
s
y
s
tem
th
at
ca
n
b
e
u
s
ed
to
m
o
n
ito
r
elec
t
r
ical
en
er
g
y
co
n
s
u
m
p
tio
n
an
d
elec
tr
ical
en
er
g
y
q
u
ality
at
th
e
s
am
e
tim
e
was
p
r
o
p
o
s
ed
.
T
h
e
o
b
jectiv
e
o
f
th
is
p
u
b
licatio
n
is
to
d
ev
elo
p
a
s
y
s
tem
f
o
r
m
o
n
ito
r
in
g
p
o
we
r
co
n
s
u
m
p
tio
n
an
d
elec
tr
ical
p
o
wer
q
u
ality
in
th
e
f
o
r
m
o
f
a
s
u
b
-
m
eter
t
h
at
ca
n
b
e
p
lace
d
in
a
n
elec
tr
ical
i
n
s
tallatio
n
lin
e
in
a
h
o
u
s
e
o
r
b
u
ild
in
g
af
ter
t
h
e
m
a
in
m
eter
.
2.
M
E
T
H
O
D
2
.
1
.
G
ener
a
l a
rc
hite
ct
ure
T
h
e
g
e
n
er
al
ar
ch
itectu
r
e
o
f
th
e
d
ev
el
o
p
ed
s
y
s
tem
ca
n
b
e
s
e
en
in
Fig
u
r
e
1
(
a
)
.
T
h
e
d
ev
elo
p
ed
s
y
s
tem
is
a
s
u
b
-
m
eter
wh
ich
was
p
la
ce
d
af
ter
th
e
m
ain
m
eter
in
t
h
e
elec
tr
ical
in
s
tallatio
n
n
etw
o
r
k
in
t
h
e
h
o
u
s
e
o
r
b
u
ild
in
g
.
T
h
e
d
ev
elo
p
e
d
s
y
s
tem
was
ap
p
lied
f
o
r
o
n
e
p
o
we
r
lin
e
p
ath
in
th
e
h
o
u
s
e
in
wh
ich
m
u
ltip
le
h
o
m
e
ap
p
lian
ce
s
wer
e
p
l
u
g
g
e
d
in
.
B
y
u
s
in
g
th
is
co
n
f
ig
u
r
atio
n
,
t
h
e
p
r
o
p
o
s
ed
s
y
s
tem
ju
s
t
n
ee
d
s
o
n
e
s
en
s
o
r
t
h
u
s
its
ar
ch
itectu
r
e
wo
u
ld
b
e
s
im
p
ler
th
an
u
s
in
g
o
n
e
s
en
s
o
r
f
o
r
ev
er
y
h
o
m
e
ap
p
lian
ce
m
o
n
i
to
r
ed
f
o
r
ex
am
p
le
p
r
o
p
o
s
ed
in
[
2
4
]
.
Placin
g
a
s
y
s
tem
lik
e
th
is
m
a
k
es
it
p
o
s
s
ib
le
to
m
o
n
ito
r
elec
tr
ical
en
e
r
g
y
c
o
n
s
u
m
p
tio
n
an
d
elec
tr
ical
p
o
wer
q
u
ality
i
n
o
n
e
p
ar
t
o
r
o
n
e
r
o
o
m
o
f
a
h
o
u
s
e
o
r
b
u
ild
in
g
.
T
h
e
d
ev
elo
p
ed
s
y
s
tem
co
n
s
is
ts
o
f
f
o
u
r
g
en
er
al
c
o
m
p
o
n
en
t c
ateg
o
r
ies,
n
am
ely
lo
a
d
,
in
p
u
t,
p
r
o
c
ess
,
an
d
o
u
tp
u
t a
s
ca
n
b
e
s
ee
n
in
Fig
u
r
e
1
(
b
)
.
T
h
e
lo
a
d
g
r
o
u
p
is
elec
tr
ical
e
q
u
ip
m
en
t
o
r
h
o
m
e
ap
p
lian
ce
s
wh
ich
ar
e
g
en
er
ally
u
s
ed
in
h
o
m
es
o
r
b
u
ild
in
g
s
f
u
n
ctio
n
ed
as
a
lo
ad
test
er
.
I
n
th
e
in
p
u
t
s
ec
tio
n
,
th
er
e
is
a
PZE
M
0
0
4
t
s
en
s
o
r
co
m
p
o
n
e
n
t
wh
ich
is
a
m
u
ltifu
n
ctio
n
al
s
en
s
o
r
t
h
at
c
an
m
ea
s
u
r
e
cu
r
r
en
t,
v
o
ltag
e
,
p
o
wer
an
d
alter
n
atin
g
cu
r
r
e
n
t
(
AC
)
elec
tr
ical
en
er
g
y
co
n
s
u
m
ed
.
T
h
e
s
en
s
o
r
p
r
o
d
u
ce
s
o
u
t
p
u
t
u
s
in
g
s
er
ial
co
m
m
u
n
icatio
n
.
T
h
e
PZE
M
0
0
4
t
s
en
s
o
r
o
u
tp
u
t
is
th
en
s
en
t
to
th
e
W
em
o
s
D1
M
in
i
m
icr
o
co
n
tr
o
ller
as
th
e
m
ai
n
p
r
o
ce
s
s
o
r
f
o
r
f
u
r
th
er
co
m
p
u
tin
g
.
T
o
p
r
o
ce
s
s
th
e
PZE
M
0
0
4
t
s
en
s
o
r
o
u
tp
u
t
d
at
a,
a
r
ea
l
tim
e
clo
ck
(
R
T
C
)
D
S3
2
3
1
m
o
d
u
le
is
n
ee
d
ed
b
ec
au
s
e
it
is
r
elate
d
to
r
ec
o
r
d
in
g
elec
tr
ical
en
er
g
y
c
o
n
s
u
m
p
tio
n
a
n
d
elec
tr
ical
p
o
wer
q
u
ality
at
a
ce
r
tain
tim
e.
T
h
e
co
m
p
u
tatio
n
al
r
esu
lts
b
y
t
h
e
W
em
o
s
D1
Mi
n
i
m
icr
o
c
o
n
tr
o
ller
wer
e
th
en
s
en
t
to
th
e
s
m
ar
tp
h
o
n
e
to
b
e
d
is
p
lay
ed
u
s
in
g
th
e
B
ly
n
k
p
latf
o
r
m
an
d
ar
e
also
u
s
ed
to
tu
r
n
o
n
th
e
ala
r
m
b
u
zz
er
.
W
em
o
s
D1
m
icr
o
co
n
tr
o
ller
h
as
an
ad
v
an
ta
g
e
co
m
p
ar
ed
to
Ar
d
u
in
o
m
icr
o
c
o
n
tr
o
ller
u
s
ed
in
[
2
5
]
in
wh
ich
it
ca
n
b
e
c
o
n
n
ec
ted
to
th
e
co
m
p
u
ter
n
etwo
r
k
s
v
ia
Wi
-
Fi
d
ir
ec
tly
with
o
u
t
an
ad
d
itio
n
al
d
ev
ice.
W
em
o
s
D1
Min
i
m
icr
o
co
n
t
r
o
ller
s
en
t
th
e
d
ata
to
th
e
B
ly
n
k
p
latf
o
r
m
b
y
u
s
in
g
Wi
-
Fi
.
T
h
is
ar
ch
itectu
r
e
is
s
im
p
le
b
ec
au
s
e
it
d
o
es
n
o
t
n
ee
d
to
b
u
ild
a
s
ep
ar
ate
h
ar
d
war
e
cir
cu
it
f
o
r
th
e
d
ata
r
ec
eiv
er
s
u
ch
as
if
u
s
in
g
o
th
er
d
ata
c
o
m
m
u
n
icatio
n
s
y
s
tem
s
f
o
r
e
x
am
p
le
lo
n
g
r
an
g
e
(
L
o
R
a
)
[
2
6
]
,
An
ta
r
es
[
2
7
]
,
Z
i
g
b
ee
[
2
8
]
o
r
to
b
u
ild
a
h
a
r
d
w
ar
e
o
f
wir
eless
s
en
s
o
r
f
o
r
ev
er
y
h
o
m
e
ap
p
lian
ce
s
m
o
n
ito
r
ed
if
u
s
e
wir
eless
s
en
s
o
r
n
etwo
r
k
(
W
SN)
as p
r
o
p
o
s
ed
in
[
2
9
]
.
T
h
e
d
ev
elo
p
ed
s
y
s
tem
was
a
b
le
to
m
o
n
ito
r
b
o
th
p
o
wer
q
u
ality
an
d
e
n
er
g
y
co
n
s
u
m
p
tio
n
an
d
th
e
r
ea
d
in
g
r
esu
lts
co
u
l
d
b
e
r
ea
d
b
y
u
s
in
g
th
e
B
ly
n
k
ap
p
licat
io
n
an
d
t
h
en
em
ailin
g
th
e
m
ea
s
u
r
ed
d
ata
.
T
h
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
15
,
No
.
2
,
Ap
r
il
20
25
:
2
4
3
6
-
2
4
4
4
2438
d
esti
n
atio
n
em
ail
ad
d
r
ess
s
h
o
u
ld
b
e
p
r
o
v
id
ed
in
t
h
e
B
ly
n
k
p
latf
o
r
m
f
i
r
s
t.
Mo
n
ito
r
i
n
g
th
e
elec
tr
ic
en
er
g
y
co
n
s
u
m
p
tio
n
b
y
u
s
in
g
a
s
m
ar
tp
h
o
n
e
h
as
ad
v
a
n
tag
es
s
u
ch
as
th
e
d
ata
co
u
ld
b
e
m
o
n
ito
r
ed
ea
s
ily
f
r
o
m
ev
er
y
wh
er
e
s
in
ce
n
o
wa
d
ay
s
al
m
o
s
t
all
p
eo
p
le
u
s
e
s
m
ar
tp
h
o
n
es
[
3
0
]
.
T
h
e
b
u
zz
er
is
u
s
ed
as a
war
n
in
g
alar
m
if
th
e
v
o
ltag
e,
cu
r
r
e
n
t
o
r
f
r
eq
u
e
n
cy
o
f
th
e
elec
tr
ical
p
o
wer
ar
e
lo
wer
o
r
h
ig
h
e
r
th
an
th
e
s
t
an
d
ar
d
v
alu
es.
T
h
e
n
o
r
m
al
v
o
ltag
e
v
alu
e
o
n
th
e
s
y
s
tem
is
d
eter
m
in
ed
at
1
8
0
-
2
3
0
V
AC
,
wh
ile
th
e
n
o
r
m
al
f
r
e
q
u
en
cy
v
alu
e
is
s
et
at
a
f
r
eq
u
e
n
cy
o
f
4
9
–
6
0
Hz
f
o
llo
win
g
th
e
s
p
ec
if
icatio
n
s
f
o
r
h
o
u
s
eh
o
ld
eq
u
ip
m
en
t
u
s
ed
i
n
I
n
d
o
n
esia.
I
f
t
h
e
v
o
ltag
e
v
alu
e
is
s
m
aller
th
a
n
1
8
0
V
o
r
g
r
ea
te
r
th
an
2
3
0
V
t
h
en
th
e
alar
m
b
u
zz
e
r
will
tu
r
n
o
n
.
L
ik
ewise,
if
th
e
f
r
eq
u
e
n
cy
is
s
m
aller
th
an
4
9
Hz
o
r
g
r
ea
ter
th
an
6
0
Hz
th
e
n
th
e
b
u
zz
er
ala
r
m
will b
e
tu
r
n
e
d
o
n
.
(
a)
(
b
)
Fig
u
r
e
1
.
Gen
e
r
al
ar
ch
itectu
r
e
o
f
th
e
d
e
v
elo
p
e
d
s
y
s
tem
: (
a)
t
h
e
p
o
s
itio
n
o
f
th
e
d
ev
elo
p
e
d
s
y
s
tem
in
th
e
elec
tr
ical
in
s
tallatio
n
o
f
th
e
h
o
u
s
e
an
d
(
b
)
th
e
d
ev
elo
p
e
d
s
y
s
tem
h
as f
o
u
r
g
r
o
u
p
s
o
f
co
m
p
o
n
en
ts
in
clu
d
in
g
lo
ad
s
,
in
p
u
ts
,
p
r
o
ce
s
s
es,
an
d
o
u
tp
u
ts
2
.
2
.
H
a
rdwa
re
des
ig
n
T
h
e
s
ch
em
atic
cir
cu
it
o
f
th
e
h
ar
d
war
e
alo
n
g
with
a
s
u
m
m
ar
y
o
f
th
e
co
n
n
ec
tio
n
s
b
etwe
en
co
m
p
o
n
en
ts
ca
n
b
e
s
ee
n
in
Fi
g
u
r
e
2
(
a
)
.
T
h
e
T
x
an
d
R
x
p
in
s
o
f
th
e
PZE
M
0
0
4
t sen
s
o
r
ar
e
co
n
n
ec
ted
to
th
e
T
x
an
d
R
x
p
in
s
o
n
th
e
W
em
o
s
D1
m
in
i
m
icr
o
co
n
tr
o
ller
r
e
s
p
ec
tiv
ely
to
s
en
d
d
ata
f
r
o
m
th
e
s
en
s
o
r
t
o
th
e
m
icr
o
co
n
tr
o
ller
.
PZE
M
0
0
4
t
is
a
m
u
ltip
u
r
p
o
s
e
s
en
s
o
r
th
at
h
as
b
ee
n
u
s
ed
b
y
r
esear
c
h
er
s
in
d
ev
elo
p
i
n
g
m
o
n
ito
r
in
g
s
y
s
tem
s
f
o
r
ex
a
m
p
le
in
th
e
m
icr
o
-
c
o
n
ce
n
tr
at
o
r
p
h
o
to
v
o
ltaic
(
m
ic
r
o
-
C
PV
)
s
y
s
tem
m
o
n
ito
r
in
g
[
3
1
]
.
T
h
e
tech
n
ical
s
p
ec
if
icatio
n
s
o
f
th
e
PZE
M
0
0
4
t
s
en
s
o
r
ca
n
b
e
s
ee
n
in
T
ab
le
1
.
T
h
er
e
is
a
D
S3
2
3
1
R
T
C
m
o
d
u
le
wh
er
e
th
e
s
er
ial
clo
ck
lin
e
(
SC
L
)
a
n
d
s
er
ial
d
ata
lin
e
(
SDA)
p
o
r
ts
ar
e
co
n
n
ec
ted
to
p
o
r
ts
D1
an
d
D2
o
f
th
e
W
em
o
s
D1
Min
i
m
icr
o
co
n
tr
o
ller
r
esp
ec
tiv
ely
.
T
h
is
R
T
C
co
m
p
o
n
e
n
t
is
u
s
ed
to
s
to
r
e
d
ate
an
d
tim
e
d
ata
with
h
ig
h
ac
cu
r
ac
y
wh
ich
is
in
teg
r
ated
with
th
e
AT
2
4
C
3
2
s
er
ial
elec
tr
ically
er
asab
le
p
r
o
g
r
am
m
ab
le
r
ea
d
o
n
ly
m
em
o
r
y
(
E
E
PR
OM
)
f
o
r
o
th
e
r
d
ata
s
to
r
ag
e
p
u
r
p
o
s
es.
T
o
p
r
o
tect
th
e
h
ar
d
war
e
cir
c
u
it
f
r
o
m
im
p
ac
ts
,
wate
r
s
p
lash
es
an
d
d
u
s
t,
th
e
h
ar
d
war
e
cir
cu
it
was
p
lace
d
in
a
b
o
x
m
ad
e
o
f
wate
r
p
r
o
o
f
ac
r
y
lo
n
itrile
b
u
tad
ien
e
s
ty
r
en
e
(
AB
S)
th
er
m
o
p
last
ic
b
o
x
m
ater
ial
with
d
im
en
s
io
n
s
o
f
1
6
cm
(
len
g
th
)
×
9
cm
(
wid
t
h
)
×
6
cm
(
h
eig
h
t
)
.
Fig
u
r
e
2
(
b
)
s
h
o
ws
th
e
3
D
im
a
g
e
o
f
th
e
co
n
tain
e
r
b
o
x
o
f
th
e
d
ev
elo
p
ed
s
y
s
tem
.
T
h
e
p
a
r
ts
o
f
th
e
b
o
x
th
at
ar
e
v
is
ib
le
f
r
o
m
th
e
o
u
ts
id
e
ar
e
as
f
o
llo
ws:
i
)
p
ar
t
n
u
m
b
er
1
is
t
h
e
an
ten
n
a,
ii
)
p
ar
t
n
u
m
b
er
2
i
s
th
e
p
o
wer
s
u
p
p
ly
co
n
n
ec
to
r
alo
n
g
with
th
e
o
n
/o
f
f
s
witch
,
an
d
iii
)
p
a
r
t n
u
m
b
er
3
is
th
e
in
p
u
t
-
o
u
tp
u
t sto
p
co
n
n
ec
to
r
co
n
tact.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8
7
0
8
E
lectrica
l p
o
w
er su
b
mete
r
fo
r
q
u
a
lity a
n
d
en
erg
y
mo
n
ito
r
in
g
u
s
in
g
Wemo
s
…
(
Heru
S
u
p
r
iy
o
n
o
)
2439
(
a)
(
b
)
Fig
u
r
e
2
.
Har
d
war
e
co
n
s
tr
u
ctio
n
: (
a)
s
ch
em
atic
cir
c
u
it o
f
t
h
e
d
ev
elo
p
e
d
s
y
s
tem
an
d
(
b
)
b
o
x
f
o
r
co
n
tain
in
g
h
ar
d
war
e
cir
c
u
it o
f
th
e
d
ev
elo
p
ed
s
y
s
tem
T
ab
le
1
.
T
ec
h
n
ical
s
p
ec
if
icatio
n
o
f
PZE
M
0
0
4
t
s
en
s
o
r
P
a
r
a
me
t
e
r
M
e
a
su
r
e
me
n
t
R
a
n
g
e
R
e
s
o
l
u
t
i
o
n
I
n
a
c
c
u
r
a
c
y
V
o
l
t
a
g
e
8
0
–
2
6
0
V
0
.
1
V
±
0
.
5
%
C
u
r
r
e
n
t
0
-
1
0
0
A
0
.
0
2
A
±
0
.
5
%
P
o
w
e
r
0
-
2
3
k
W
0
.
1
W
±
0
.
5
%
En
e
r
g
y
0
-
9
9
9
9
.
9
9
k
W
h
1
W
h
±
0
.
5
%
F
r
e
q
u
e
n
c
y
45
-
6
5
H
z
0
.
1
H
z
±
0
.
5
%
P
o
w
e
r
f
a
c
t
o
r
0
.
0
0
-
1
.
0
0
0
.
0
1
±
0
.
1
%
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
3
.
1
.
O
bta
ined s
y
s
t
em
T
h
e
o
b
tain
ed
h
ar
d
war
e
o
f
t
h
e
s
y
s
tem
ca
n
b
e
s
ee
n
i
n
Fig
u
r
e
3
with
h
ar
d
war
e
ar
r
a
n
g
em
e
n
t
in
s
id
e
th
e
b
o
x
was
s
h
o
wn
i
n
Fig
u
r
e
s
3
(
a)
an
d
3
(
b
)
wh
ile
th
e
co
m
p
l
ete
o
b
tain
ed
s
y
s
tem
was
s
h
o
wn
in
Fig
u
r
e
3
(
c)
.
Nu
m
b
er
1
is
t
h
e
PZE
M
0
0
4
t
s
en
s
o
r
.
N
u
m
b
er
2
is
th
e
co
i
l
f
r
o
m
th
e
PZE
M
0
0
4
t
s
en
s
o
r
.
Nu
m
b
er
3
is
t
h
e
W
em
o
s
D1
m
in
i
m
icr
o
co
n
tr
o
l
ler
.
Nu
m
b
er
4
is
th
e
an
ten
n
a
.
Nu
m
b
er
5
is
a
Hi
-
L
in
k
co
m
p
o
n
en
t
th
at
is
u
s
ed
as
a
p
o
wer
s
u
p
p
ly
f
o
r
th
e
W
em
o
s
D1
m
in
i
m
icr
o
co
n
tr
o
ller
.
T
h
is
co
m
p
o
n
en
t
ca
n
ch
a
n
g
e
t
h
e
v
o
ltag
e
f
r
o
m
AC
2
2
0
V
to
DC
5
V.
Nu
m
b
er
6
is
th
e
A
C
p
o
wer
s
u
p
p
ly
s
o
ck
et
f
o
r
th
e
s
y
s
tem
cir
cu
it.
Nu
m
b
er
7
is
th
e
s
o
ck
et
u
s
ed
f
o
r
l
o
ad
s
.
Nu
m
b
e
r
8
is
th
e
AC
in
p
u
t so
ck
et
f
r
o
m
th
e
p
o
wer
lin
e
f
o
r
t
h
e
lo
ad
.
(
a)
(
b
)
(
c)
Fig
u
r
e
3
.
T
h
e
o
b
tai
n
ed
s
y
s
tem
: (
a)
h
ar
d
war
e
ar
r
a
n
g
em
e
n
t
in
s
id
e
th
e
b
o
x
(
lo
wer
p
ar
t)
,
(
b
)
h
ar
d
war
e
ar
r
an
g
em
e
n
t in
s
id
e
th
e
b
o
x
(
u
p
p
er
p
a
r
t)
,
an
d
(
c)
co
m
p
lete
o
b
tain
ed
s
y
s
tem
3
.
2
.
Ca
lib
ra
t
io
n t
esting
T
h
e
ca
lib
r
atio
n
test
was
ca
r
r
ied
o
u
t
b
y
co
m
p
ar
in
g
th
e
r
e
s
u
lts
o
f
m
ea
s
u
r
in
g
v
o
ltag
e
a
n
d
elec
tr
ic
cu
r
r
en
t
b
y
u
s
in
g
th
e
d
ev
elo
p
e
d
s
y
s
tem
to
th
e
m
ea
s
u
r
in
g
r
esu
lts
u
s
in
g
a
co
m
m
er
cial
m
u
ltime
ter
wid
ely
u
s
ed
.
C
alib
r
atio
n
test
in
g
was
ca
r
r
ied
o
u
t
u
s
in
g
s
ev
er
al
ty
p
es
o
f
elec
tr
ical
eq
u
ip
m
en
t
wh
ich
w
er
e
wid
ely
u
s
ed
b
y
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
7
0
8
I
n
t J E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
15
,
No
.
2
,
Ap
r
il
20
25
:
2
4
3
6
-
2
4
4
4
2440
p
eo
p
le
d
aily
as
a
lo
ad
.
T
h
e
lo
ad
was
ap
p
lied
to
th
e
p
r
o
v
id
e
d
s
o
ck
et
co
n
n
ec
te
d
to
th
e
d
e
v
elo
p
ed
s
y
s
tem
.
T
h
e
m
ea
s
u
r
em
en
t
r
esu
lts
wer
e
d
is
p
lay
ed
in
th
e
B
ly
n
k
p
latf
o
r
m
o
f
th
e
s
m
ar
tp
h
o
n
e.
On
e
ex
am
p
le
o
f
a
test
s
ettin
g
in
th
e
ex
p
er
im
en
tatio
n
is
d
e
p
icted
in
Fig
u
r
e
4
.
Fig
u
r
e
4
(
a
)
s
h
o
ws
th
e
ac
tu
al
c
o
n
f
ig
u
r
atio
n
o
f
ca
lib
r
atio
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test
in
g
b
y
u
s
in
g
a
r
ice
co
o
k
e
r
as
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lo
ad
in
wh
ich
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e
m
ea
s
u
r
em
en
t
r
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lts
o
f
th
e
d
ev
elo
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ed
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y
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e
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m
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ar
ed
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t
h
at
o
f
a
co
m
m
e
r
cial
m
u
ltime
ter
.
Fig
u
r
e
4
(
b
)
s
h
o
ws
th
e
d
is
p
lay
o
f
m
o
n
ito
r
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ar
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les
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am
ely
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o
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r
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en
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r
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e
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cy
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o
wer
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e
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n
d
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ate
o
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th
e
B
ly
n
k
p
latf
o
r
m
.
Fig
u
r
e
4
(
c
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h
o
ws
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en
er
g
y
co
n
s
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m
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tio
n
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ito
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t
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r
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th
e
B
ly
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o
r
m
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ic
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lay
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d
e
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m
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ito
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les
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B
ly
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o
r
m
wer
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e
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ip
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ed
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u
m
e
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ical
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g
r
a
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iv
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r
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atio
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e
d
if
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er
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ea
s
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r
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ts
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e
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s
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g
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|
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2
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T
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im
en
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o
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r
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r
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ix
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ad
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m
m
ar
ized
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n
d
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r
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im
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en
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5
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r
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ile
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o
r
c
u
r
r
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t
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ce
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e
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n
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e
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e
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ed
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o
r
m
o
n
ito
r
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g
.
(
a
)
(
b
)
(
c
)
Fig
u
r
e
4
.
T
h
e
ca
lib
r
atio
n
test
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g
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(
a)
s
am
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le
o
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lib
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ati
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n
t
esti
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u
s
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g
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r
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r
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ate
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h
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B
ly
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B
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Af
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with
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e
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r
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d
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y
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i
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e
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e
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ely
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