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1
▾
✕
%
stage
=
h
stage
h
total
· 100% =
35 h
180 h
· 100% = 19.4% | 180 h = 90 h + 90 h | 60 h + 180 h = 240 h
0 h
8.0
—
—
—
35 h + 30 h = 65 h | 78 h − 65 h = 13 h
Δ =
13 h
65 h
· 100% = 20.0%
180 h − 78 h = 102 h | 180 h − 65 h = 115 h
k =
102 h
115 h
· 100% = 88.7%
2
▾
✕
U
out
= U
in
·
R
2
R
1
+ R
2
| u
L
= L ·
Δi
Δt
| I
load
≤ I
out,max
—
24 V
22 kΩ
3.3 kΩ
1.6 s
—
—
—
—
U
out
= U
in
·
R
2
R
1
+ R
2
U
out
= 24 ·
R
2
R
1
+ R
2
= 24 ·
3.3 kΩ
22 kΩ + 3.3 kΩ
= 3.13 V
3
▾
✕
I =
P
U
| P = U · I | I
tot
= I
1
+ I
2
+ I
3
| U
pt
= U
0
− I · R
line
| R
line
=
ρ · L
A
4 × 40 W
550 W
1
16 A
0
0
0
0
P₁ = 15 W + 4 · 40 W = 175 W
I₁ =
P₁
U
=
175 W
230 V
= 0.761 A
P₂ = 15 W + 160 W + 550 W = 725 W
I₂ =
725 W
230 V
= 3.152 A
ΔI = 3.152 A − 0.761 A = 2.391 A
I
motor
=
550 W
230 V
= 2.391 A
I₂
I₁
=
3.152 A
0.761 A
= 4.14
4
▾
✕
R =
4
4
=
100%
0
4
0
0
0
0
100%
p =
t
T
p =
25
180
= 0.139
0.139 × 100 = 13.9 %
5
▾
✕
4
IN •
ATmega328P
•
3
OUT
11
18
=
61%
1
4 / 6
3 / 4
7
4
D10 / D11
trigPin = D10 echoPin = D11
D11 = echoPin = MOSI
trigPin → D3 echoPin → D5
6
▾
✕
d
max
=
25000 × 0.034
2
= 425 cm
1
1 / 9
0
0
6
4
d
max
=
t
max
× 0.034
2
d
max
=
25000 × 0.034
2
=
850
2
= 425 cm
distance > 0 && distance ≤ 15
7
▾
✕
d =
t × 0.034
2
=
0.0
cm
0
0
cm
3
0
OFF
0°
d =
t × 0.034
2
d =
880 × 0.034
2
=
29.92
2
= 14.96 cm
14.96 ≤ 15
8
▾
✕
I
b
=
P
√3 × U × cosφ
ΔU =
√3 × L × I × cosφ × ρ
A
3.5 kW
0.80
40 m
1.5 mm²
20 A
0.0
A
0
A
0
A
0.0
V
0.0
%
I
b
=
P
√3 × U × cosφ
=
3500
√3 × 400 × 0.8
= 6.31 A
I
n
= 3 × 10 A
6.31 ≤ 10 ≤ 20
ΔU =
√3 × 200 × 16 × 0.8 × 0.018
1.5
=
79.81
1.5
= 53.21 V
ΔU% =
53.21
400
× 100 = 13.30 %
A =
79.81
0.03 × 400
=
79.81
12
= 6.65 mm² → 10 mm²
→
🏠
♿