ΥڡϤƤʥ֥åޡɲΥڡޤϤƤʥ֥åޡ Υڡlivedoor åפɲΥڡޤlivedoor å

ܼ

ŵ

  • ŵȤϼͳŻҤΰưҤˤä˸ٹ礤ΤȤǤ롣ºݤˤϡͳŻҤ϶°Ҥδ֤ˤäȽŤƤꡢˤ˾ͤäƤ롣᡼СȤƤͤưȤƤȤäȤξȤƤͤϤŰŷͳŻҡȤƤ󤬽ФƤ뾮꤬񹳤㤨롣
  • η׻ǤϡĹˡ֤Ĺ*1Ϳ뤳Ȥ⤢롣Τᡢ2θήñ2ȸƤ֡ˤˤĤƱʬΤ񹳤뤿ˤϡĹ2ܤȤƷ׻롣

ŵ񹳤羮

ΨƳΨ

  • 񹳤򾮤ˤϡƱʤȤȡƱʤΨξȤȤǤ롣
  • ¾ʬȡΨȶ٤ä롣
    • ƳΤ˻Ȥ϶°Ǥ롣°ˤȶ٤ΨʬΤɤ1ĤñȤǻȤäɬ礭ʤ뤳Ȥ狼äƤ롣
    • Ƽϲ⡢ƼϲǻȤ롣
      • ξϺȤ䤹褦ƼȤ
      • ξΨä⡢٤ͥ褷ƹƼȤ
  • Ψν֤ȤƤϡƼߥ˥㤽¾פǤ롣
    • ߤ%ƳΨ60Ǥ롣

񹳴

  • 񹳴ά񹳡ˤϲϩήή¤ʤΤȡ
  • Ѹǡresistorסʥ쥸ˤȸƤФ졢ƬʸΡRפȤ롣
  • ñ̤ϡ֦סʥˡ
  • 񹳴ˤϡ͡͡ˤޤäƤ񹳤ͤѤ񹳤롣

ħ

  • 񹳤Ƥȥץ饹å⡼ɤdz̯˰㤦

顼ɤɤ

񹳤ϡ񹳤͡ήήˤٹ礤ˤޤäƤơ俧ǼƤ롣ˤ褯Ȥ륫ܥ񹳤ʤɤϡͤȸӤǼƤ롣

񹳤䥳ǥ󥵤ͤ򿧤Ӥɽ롣1ȤʤäƤȤ롣˥顼ɽ򼨤

12͡ʡ
00100=1
11101=101
221022
33103
44104
55105
66106
77107
88108
99109
--10-1=0.15
--10-2=0.0110
̵忧---20

οޤϺ㡦֡ȤʤäƤΤǡΤ褦ͤ׻롣

㡢֡

1010210%

1Ͻΰ̡21ΰ̤̣롣3Ϥ˳ݤ롣

10102100010%1k10%

Ф

ֹ
ա
֤ͻ2󤸤
軰ˡ3ΤȤ
ִߤ4
ֿߤɤ5
֤ߤɤߤ6
ֻ缰餵7֡
֥ϥ䡼Ϥ8
򷧡9

񹳤η׻

񹳤

ήή˸ŵ񹳡񹳡ˤȤήήϡ礦ɥѥפήȥ᡼뤳ȤǤ롣ĹĹۤήˤۤή䤹

񹳤ͤװˤϡ°ƳΤκˤΤۤˡ°ƳΤĹ°ƳΤѤ2Ĥ롣ƳΤ񹳤ͤR[]°ƳΤĹl[m]A[m2]δطϼμɽ롣

R~=~\rho~\frac{l}{A}~\propto~\frac{l}{d^2}

ѡΨȤ

θϡ֤ʪǺäƳΤRϡĹl㤷Aȿ㤹פȤ̣Ǥ롣

[Ϥ碌]
񹳤ϥΥ
°RϡΨ[m]Ĺl[m]ѤA[m2]dz뤳ȤˤäƵ뤳ȤǤ롣

ºݤѤ[mm2]ɽۤʤΤǡΨñ̤[mm2/m]ȤưȤ⤢롣

ޤͤľ¤D[mm]ȤȡAϼΤ褦ˤʤ롣

A~=~\pi~\frac{D^2}{4} [mm2]

κݡΨѤ[mm2/m]Ȥʤ롣

ɽŪʶ°Ψ20ˤɽ򼡤˼

Ψ[mm2/m]
0.0162
Ƽ0.0172
Ƽ0.018
ߥ˥0.026

[]ƱͤˤˤϡĹ4ܤǤѤ4ܤФ褤äơѤľ¤2㤹Τǡľ¤2ܤˤФ褤

ƳΨ

ΨήήˤɽƤΤФơήή䤹ɽΤƳΨҡʥޡˤѤ롣

\sigma~=~\frac{1}{\rho} [S/m]

[S/m]ϥ᡼ȥʥ᡼ȥˤȸƤ֡

ͶƳΨ2﹩Τǽꤵ뤳ȤϤޤʤΨεտȳФƤȤ褤

[Ϥ碌]
ΨͶΨεա
°Ψ[m]ϡƳΨ[s/m]εտˤʤ롣

ƳΨ礭ήή䤹ˤ˼ʶ°¤٤ȡΤ褦ˤʤ롣ϸϤ碌dzФгڤ

[Ϥ碌]
ֶΥåѤ϶ˤ˥ߥŴϫ
Ƽcopperˡ䥢ߡ䥿󥰥ƥ˥åŴ˥

ƳΨϥХ󥳥ɸƼ20٤ˤΨ1.72410-2[mm2/m]ˤƳΨ100Ȥơ¾ʪƳΨɽƳΨѤ롣

ʡƳΨˡʵʪƳΨ/ʥХ󥳥ɸƼƳΨ

Ψ[mm2/m]ƳΨ
Ƽ1.72410-21/5810197
Ƽ1.81810-21/559896
2.82710-21/3861

ȯǮ

Ǿ񤵤줿ŵͥ륮̡ˤ٤Ǯͥ륮Ǯ̡ˤˤʤ롣줬塼ˡ§ǡȯǮ̤塼ǮȸƤ֡ñ̤[J]ǡHȤ椬Ȥ롣

[ˡ§]H=I^2Rt~[J]

̤ȯǮ

ŵͥ륮٤񹳤Ǿ񤵤ơǮͥ륮Ѵ줿Ȥ̡ȯǮ̤δطˤʤ롣

[§]1[kWh]3,600[kJ]

񹳴³

ľ³

񹳴ήή϶̤Ǥ뤳Ȥ顢񹳤Rtμɽ롣

R_{t}~=~R_{1}~+~R_{2}~+~\cdots

㡧Ʊ񹳤2ľˤȡΤϸͤΣܤˤʤ롣

R1,R2,R3񹳤ľ³Ƥ顢줾Ű񹳤δ֤ˤϼδطΩġ

V1V2V3V
IR1IR2IR3IR
R1R2R3R

³

񹳴ξü˲äṲ̋Ǥ뤳Ȥ顢񹳤RtϤ줾ͤεտ¤εտȤʤ롣

R_{t}~=~\frac{1}{\frac{1}{R_{1}}~+~\frac{1}{R_{2}}~+~\frac{1}{R_{3}}~+~\cdots}

㡧񹳴郎2Ĥξϼθǽʬ

R_{t}~=~\frac{R_{1}~\times~R_{2}}{R_{1}~+~R_{2}}

ˡ§

R[]񹳴I[A]ήήȡ񹳴ξüŰE[V]ϼμɽ롣

E=IR

񹳴

񹳴ϤɤΤ褦ʻȤ򤷤ƤͤǡRʳLCʬޤäʤȤۤºݤϼˤäƤäƤ롣

ϡϡ

񹳴εʤͤϤǤ롣񹳴ήήǮФ뤬ήޤ礭ȤǮΤ˾ƤƤޤǡ֤ϤäƤ褤פȤͤåȿǷƤ롣ͤĶƤޤȡ񹳴郎ǮϤƤޤǽ롣ĤޤϤͤʤ櫓ȤϤ̾ϤȾʬʲܰ¤˻Ȥ롣

[]150񹳴0.1AήȡˤŰ0.1[A]150[]15[V]Ȥʤ롣
ޤϤ15[V]0.1[A]1.5[W]Ǥ뤫顢1.5[W]ϡǮˤǾƤڤʤ񹳴ȤʤȰ¿Ǥʤ;͵ä2[W]񹳴Ȥ롣

񹳲ٷ

٤ˤäͤѲ롣

°ˤ븶ҤȸҤη֤ŻҤ뤹Ȱư롣ΤȤŵ񹳤ȤʤΤ϶°¸ߤƤԽʪޤϲ٤Ǥ롣ʤ٤طΤȤȡ٤夬иҤǮưˤäƿ̤롣̤ȤȤϥࡼ̤äƤϤŻҤ֤Ĥ䤹ʤȤȤ¾ʤʤ֤ĤСŻҤαưͥ륮åƤޤ̤ȤŵȤˤʤȤȤˤʤ롣

1[]ФͤɤѲ뤫Ȥ񹳲ٷȤ[ppm/]ɽ

̤˶°ϲ٤徺񹳤夬뤬úǤŲϱդʤɤϵդ񹳤㤯ʤ롣t1[]ΤȤ񹳤R1[]t2[]ΤȤ񹳤R2[]ȤȡμΩġ

[ˡ§]
R_{2}~=~R_{1}~\{~1~+~\alpha~\(~t_{2}~-~t_{1}~\)~~\} []
񹳲ٷ

[][ppm]10-6ʤΤǡ300[ppm/]񹳴β٤30徺ȤСͤ0.9ä뤳Ȥˤʤ롣

ȿ

񹳴Ϥ줾ηˤäơ鷺LCʬäƤ롣ǡѼȿ⤯ʤȤʬαƶФƤơ񹳴ȤƤκѤäƤޤ

񹳴Ϥʤ㤤ȿƶФ뤬̤P񹳴Ǥ10MHz٤ޤǵˤʤǻȤ롣

ǯѲ

ʤηǯѲ򤱤ʤݤǤ롣°졦åȤν˰٤ʤ

ή

ήήϰŲ٤äγǤŻҤΰưʤΤǡɬŪ˻Ű뤹̤ͤ礭ۤɡޤήή礭ۤɡŰä롣°Ϥ񹳴郎㻨ɹ򼨤

E꡼E

Ǥ¿μͤ񹳴郎äƤѼԤˤȤäƤǤ롣ǤϥȤߤޤɸͤơѰդƤ褦ˤƤ롣

㤨С1k10k1Ѳδ֤1.0ġ8,2k12Ѱդ륷꡼E12꡼ϰ츫ȾüʿͤΤ褦˸뤬ߤ˶ᤤͤˤʤäƤΤǡܤͤȤδ֤θʬۤͤȤʤꡢˤƹŪǤ롣

ä٤ι⤤ͤۤE24E96Τ褦ѰդʤФʤʤब®ŪäƤȤˤʤ롣

EͤɽϼΤ褦ˤʤ롣

ͤηE6E12E24E96
θ20%10%5%1%
1¸ߤɸ1.01.01.096ʬʾܺ٤Ͼά
1.1
1.21.2
1.3
1.51.51.5
1.6
1.81.8
2
2.22.22.2
2.4
2.72.7
3
3.33.33.3
3.6
3.93.9
4.3
4.74.74.7
5.1
5.65.6
6.2
6.86.86.8
7.5
8.28.2
9.1

å

ɽ̼ѤξʿŤ񹳡ѤθˤΤȡѤζ°ˤΤ롣̤ǽʤΤϸ쥿פΤΤǤ롣

Ϥˤˡۤʤꡢͤ⥿̾ǸƤФ뤳Ȥ¿Υ̾ϼ¤ϳˡɽƤ롣

ˡθƾΤȵͤϼɽΤ褦ˤʤ롣

̾ˡmmϡW
LW
100510.51/16
16081.60.81/16
201221.251/10
32163.21.61/8
32253.22.51/4
45324.53.21/2
64326.43.21

å񹳤Ȥˤϡäͤ礭å񹳤ξˤϡѥ礭ˤơǮ䤹褦ˤΤġ

񹳴񹳥쥤

åȷϤ񹳴ǡߥåΤɽ̤Τȶ°κʪⲻǾΤǤ롣

ˤʬ

2ब롣줾ϼΤ褦ħ롣

  • ˡΤΤǡ񹳤ʬ¤Ƥ롣
  • Ʊͤ³֤ꤵƤ롣
  • ǥϩΥץ񹳡ȯɤʤɤή񹳤ǻȤ롣

  • ˡΤΤǡͤǽǤ롣
  • 줿ƱΤ·äƤꡢиͥƤ롣
  • ڥμ񹳡A/DѴΥʤɤι٤ɬפʤȤǻȤ롣

Υפˤʬ

Ūˡ³פΩפ롣

³

  • 񹳤³1ԥ˽ФƤ륿ס
  • Ÿ䥰ɤˤޤȤ³졢ץץ륢å񹳤ȤƻȤ

Ωסʥѥ졼ȥס

  • 1ĤĤ񹳤Ωƥԥ˽ФƤ륿ס
  • ڥ׼դŸݸ񹳤ʤɤ˻Ȥ

񹳴μĿˡ

񹳴μĿˡϼΤ褦ˤʤäƤ롣

񹳤μ481012
ԥʰ祿ס591113
LΤĹ12.622.727.833.0

񹳴μդϡ1/10ԥåICƱդǹԤԥICƱ褦ˤʤ褦ˤƤơ󥰥륤饤ICȤޤäƱǤ롣

񹳴ʥܥ塼

ܥ塼ΤĤޤߤ󤹤ȤˤꡢͤϢ³ŪѲ뤳ȤǤ롣

¤ŪˤΤξưҤ饤ɤ褦ˤʤäƤơưҤΤ֤ˤꡢ񹳤Ѳ褦ˤʤäƤ롣äüҤ3¸ߤ롣

ʬ

פϥեȲžȥ饤ɷ2ढ롣

եȲž

  • եȤ˽ФơĤޤߤѲ뤳ȤǤ륿ס
  • ѥͥ˥ʥåȤǸꤹ롣
  • ݷǤ褤ΤǼդñ
  • ̤ĴĤޤߤȤƻȤ롣

饤ɷ

  • եȤľŪưס
  • ѥͥ˸ꤷƻȤĹĹηꤢɬפʤΤǤ乩񤷤
  • Ū䤹
  • DJߥΥեʤɤǻȤ롣

Τˤʬ

ΤȤƼμब롣

ú

  • ²⤢ΤǡǤ¿ȤƤ롣
  • 줬ʤä븽ݤ롣

åȷ

  • °ϤΤᡢѵȻͥƤ롣
  • 饹ƥ쥪¬ʤɤ˻ȤƤ롣

  • 񹳤ȤäΡ
  • ήѤ뤳ȤǤ롣
  • ŪͤΤΤǤʤ

եȤβžѤˤʬ

񹳤ϥեȤβžѤͤˤϰδط롣δطϼοޤΤ褦3ΥѥA,B,Cˤޤ

Ǥ褯ȤΤAB֤Ǥ롣

A

A֤ϡп˱ä񹳤㤹롣Ūϡ̤̤ʤɤʹ֤붯ϡп˽Ȥ뤿ᡢʹ֤㤷ƤȴĴˤA֤Ȥ

Τᡢ˲Ĵ˻Ȥ롣

B

žѤñ㤷񹳤Ѳ롣ŪˤϡA֤B֤Ȥ롣

¬Ĵ˻Ȥ롣

C

꤬񤷤̤ˤϻȤʤ

̥ХĴ˻Ȥ

񹳤μդ

񹳤򥱡˼դϡΤ褦ʥݥȤ롣

ɻѤ͵ηꤢ˺ʤ

ΤΥ˥եȤȰΤäƤޤʤ褦ˡɻѤ͵롣ѥͥ˳ưä褦ˤ롣

եȤŬĹǤ

ե¦ϤǸꤷơڤΥڤȤΤ̵Ϥäʤ褦˵դ뤳ȡ

夫ȤѤüҤʤ褦˼դ뤳

γȾĤƤ֤ˡüҤ褦ˤƤ

Ⱦ񹳴

  • 񹳤ˤϲĴΤ褦ˡĴɬפȤ˻Ȥܥ塼ȡĴۤȤɲѤɬפʤ˻ȤȾ񹳡Ⱦܥ塼
  • 󥵤δĴΤ褦˰ĴƤСˤĴɬפʤʬ˻ȤΤǤ롣
  • ĴѤ֤˼ƤޤäƤ褤ΤǡǥץȴĤľդΤŪǤ롣
  • ĴϾɥ饤Сǥ饤ʬ󤷤ƹԤ
  • Ʊͤ˶Ϥʤüֹɬפ롣

  • 񹳴ΰǡåդƤ륿ס
  • Ÿå°񹳴Ǥ뤫顢ѥȤ˥åȤޤȤ뤳ȤǤ롣
  • ŸڤΤˤ񹳴򥹥åڤȤޤDz󤵤ʤФʤʤȤ⤢롣켫Τ̵̤ưǤȤȤˡ񹳴Τˤߤ䤹ʤꡢ̿ûʤ븶ˤʤ롣̥ĥޥߤ󤷤Ƥäơ֥áפȤ뤳Ȥ뤬ޤ줬ˤڵǤ롣

񹳴Υ֥åϩ

Τ褦44Ĥ񹳤򶶡ʥ֥åˤͤ褦Ȥ߹碌ϩ֥åϩȤ

ߤ˸äƤʤ񹳤ѤȤΥ֥åϩʿաʥХ󥹡ȤƤȤΤȤˤήήʤ

R1R4=R2R3

ʸ

  • إ饹ȤŵΤȤ狼ܡ
  • ؤΤǤ䤵ʥϩμ¸
  • ؿŻҹ
  • ؽ饢ޥ奢̵Ȳ
  • ؤϤʤ꡼ŻҹΤϤʤ[2]
  • إƥȤܻؤرαء
  • إӥʡȥ󥸥ܡ
  • ïˤǤڤˤǤŻҹ
  • إ碌ǥԡɹʡ2ŵɮ
  • عʥå2ŵΡ
  • ʳإ꡼3¸Ǥ狼Żҹ
  • ؤޤ뤴ȳФ2ŵΡݥȥå
  • ELEKITܼѥåȤǤϤŻҹåȳѽѡ
  • ؼ¶ߥʡ롪4ʪ谷Ի
  • عôǤDD1Ű츦
  • شäŵμ硡ɮ


*1 ˱ä¬äΥΤȤǡ1ܤĹ롣