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WXәLNtFKWKѭӟFÿLӅXNLӋQVӭFNKӓH7KHREҧQJ
WUrQQӃX[pWWUѭӡQJKӧSÿLӋQWUӣQJѭӡLWURQJ
NKRҧQJȍÿӃQȍWKuÿLӋQiSNKRҧQJ
20 V ÿӃQ9FNJQJÿӫWҥRUDGzQJÿLӋQFӥ
P$YjJLӃWFKӃWQJѭӡL

dĄĐĜҾŶŐĐӆĂĚžŶŐĜŝҵŶůġŶĐҿƚŚҳ
ŶŐӇӁŝ
ST
T

žŶŐdžŽĂLJ
ĐŚŝҲƵϱϬ,nj
ŚŝҲƵϱϬ,
;ŵͿ
Ϭ͕ϱ

žŶŐŐŵҾƚ
žŶŐ
ŵҾƚ
ŵ
ĐŚŝҲƵ;ŵͿ

2 ſƉŚңŶӈŶŐĐŽŐŝҨƚ͕ƚŚӇӁŶŐŬŚƀŶŐĐſ
ŚҨƵƋƵңƐŝŶŚůlj

Ϭ͕ϱ- 10

Ϯ- 30

3 ŽŐŝҨƚŶŚŝҲƵ͕ƚŚӇӁŶŐŬŚƀŶŐƚҼŶ
ƚŚӇҿŶŐ͕ĐſƚŚҳŬŚſƚŚӂ ĚŽĐŽĐҿ͕ƉŚӅ
ƚŚƵҾĐǀăŽƚƌҷƐҺĚžŶŐĜŝҵŶǀăƚŚӁŝŐŝĂŶ
4 ,ҨƵ ƋƵң ďҵŶŚ ůlj ŶŐƵLJ Śŝҳŵ ƉŚӅ ƚŚƵҾĐ
ƚƌҷ ƐҺ ĚžŶŐ ĜŝҵŶǀă ƚŚӁŝ ŐŝĂŶ͕ƚŝŵ
ŶŐӉŶŐ ĜҨƉ͕ŶŐӉŶŐ ƚŚӂ͕ďҹŶŐ ŶҭŶŐ

ϭϬ- ϱϬ

ϯϬ- ϭϱϬ

ϱϬ- ϱϬϬ

ϭϱϬ-ϱϬϬ

,ҨƵƋƵңƐŝŶŚůlj

1 ſĐңŵ ŐŝĄĐ͕ƚŚӇӁŶŐĐŚӇĂĐſƉŚңŶӈŶŐ

2


7iFÿӝQJF
7iFÿӝQJFӫDGzQJÿLӋQOrQFѫWKӇQJѭӡL
FӫDGzQJÿLӋQOrQFѫWWKӇQ
QJѭӡL

7KӡLgian dòng ÿLӋQTXDQJѭӡL

dŚӁŝ ŐŝĂŶ ĚžŶŐ ĜŝҵŶ
ƋƵĂŶŐӇӁŝ ůąƵ ƐҰ ůăŵ
ĐŚŽ ŶŐӇӁŝ ŶſŶŐ ůġŶ͕
ŵһ Śƀŝ ƌĂŶŚŝҲƵ͕ĜŝҵŶ
ƚƌӂĚĂǀă ĜŝҵŶƚƌӂĐҿ
ƚŚҳ Őŝңŵ


dҥŶ ƐҺ ĚžŶŐ ĜŝҵŶ

7ҩQVӓGzQJÿLӉQFjQJ
cao (trên 500 Hz) càng

tWQJX\KLӅPYuGzQJ
ÿLӉQFKӋÿLQJRjLGDYj
NK{QJOjPFRFѪEұS
'zQJÿLӉQFyWҩQVӓWӭ
25–100 +]OjGzQJÿLӉQ
QJX\KLӅPQKҧW

ĈLӋQiSWLӃS[~FFKRSKpS
ĈLӋQiSWLӃS[~F9


7KӡLJLDQWLӃS[~FV


;RD\FKLӅX

0ӝWFKLӅX

< 50
50
75
90
110
150
220
280

<120
120
140

160
175
200
250
310

’
5
1
0,5
0,2
0,1
0,05
0,03

7ӯ
ӯ Eҧ
EҧQJ
E
ҧQJ
J Vӕ
Vӕ OL
OLӋX
LӋX
X ttrên
rên
ên
n cho
c o WWKҩ\
Kҩ\

ҩ\
\ JLҧP
J P WWKӡL
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ӡLL gia
ӡ
gian
g
an
n dịn
dịng
d
ng
gÿ
ÿLӋQ
LӋQ
Q qu
qua
q
ua
aQ
QJѭӡL
QJѭӡ
ѭӡ
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ӡ
c
WҫP
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quan

q
uan
an
n WU
WUӑQJ
UӑQ
QJ
J ÿһ
ÿһF
ÿ
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FE
ELӋW
ELӋW
WW F
FҫQ
Qn
nhanh
h chóng
g tách
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n ra
a NKӓL
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Q khi
hi FҩS
S FӭX
X tai

ai QҥQ
Q ÿLӋQ.


LQJLW QK WK no?

LQỏp WKSNK{QJcú QJKD l
khụng nguy KLP

6õQJX\KLPFDừLầQJLảW

1 Amps =
1000 mA


ҹŶŐ ĚŽĜŝҵŶŐŝҨƚ
ҹŶŐ ůă ƚĂŝŶҢŶƚŚӇӁŶŐdžƵLJġŶ
ĚŽĜŝҵŶŐŝҨƚŐąLJƌĂ
yҦLJ ƌĂŬŚŝďҢŶĐŚҢŵǀăŽĚąLJ
ĜŝҵŶŚŽҭĐĐĄĐƚŚŝұƚďҷĜŝҵŶ
ĜӇӄĐƐӊĚӅŶŐǀăďңŽƋƵңŶ
ŬŚƀŶŐĜƷŶŐĐĄĐŚ
dŚӇӁŶŐdžҦLJ ƌĂӂƚĂLJ
dƌŽŶŐŶŚӋŶŐƚƌӇӁŶŐŚӄƉ
ďҹŶŐ ŶҭŶŐĐҥŶƉŚңŝĜŝҲƵƚƌҷ

ҹŶŐ ĚŽĜŝҵŶŐąLJ ƌĂ