1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60027 2 2： KS C IEC 60027 2:2009 2009 2 9 http:/www.kats.go.krKS C IEC 60027 2:2009 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 11 30 ：2009 2 9 2009-0052 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60027 2:2009 i ii .1 1 1 1.
2、1 1 1.2 1 2 .4 2.1 2 4 2.1 n 8 3 ( )11 4 13 5 .15 5.1 .15 5.2 .15 5.3 .15 5.4 .16 5.5 16 6 18 7 .19 8 .22 9 23 10 23 10.1 10.2 .23 10.2 24 11 .25 11.1 25 11.2 .26 11.3 .26 11.4 27 12 n 27 13 28 14 .29 KS C IEC 60027 2:2009 ii . , , . , , . KS C IEC 60027 2:2009 2： Letter symbols to be used in electr
3、ical technology Part 2： Telecommunications and electronics (KS) (IS) 2000 2 IEC 60027 2, Letter symbols to be used in electrical technology Part 2： Telecommunications and electronics , . 1 1.1 . . 1.2 . . . . IEC ISO . KS A ISO 31 5, 5： KS A ISO 31 6, 6： KS A ISO 31 7, 7： KS A ISO 31 10, 10： KS A IS
4、O 31 11, 11： KS C IEC 60027 1, 1： KS C IEC 60027 3, 3： KS C IEC 60050 715, 715： KS C IEC 60050 726, 726： KS C IEC 60747 1： 2004, 1： IEC 60050 131： 1978, 131： IEC 60050 351： 1998, 351： IEC 60050 801： 1994, 801： IEC 60375： 1972, KS C IEC 60027 2:2009 2 IEC 61178 1： 1993, (IECQ) KS C IEC 1： 1 SI ISO 31
5、 101 S, s S , , . S1 S2 . KS C IEC 60027 1 . . a b 102 Pswatt W 103 ( ) L LsreflogSSkL = k： neper decibel Np, dBc a KS C IEC 60027 1 2.1 . b ( , , ) . c KS C IEC 60027 3 . SI ISO 31 104 N, n Sn, snN , , . n ( I, i) . a b 105 Pnwatt W 106 F Fn .cone 1 107 H T H S2/S1d S1 S2 . e 108 G G k log(P2/P1)f
6、k： neper decibel Np, dBa KS C IEC 60027 1 2.1 . b ( , , ) . c . dS1 S2 ( ) . e H S1 S2 . fG . KS C IEC 60027 2:2009 3 SI ISO 31 109 A jB H H exp( ) ( “ ” ) a 110 A neper decibel Np,dB 111 B radian rad degree 112 p j a113 a b metre to the power minus one m 1decibel per metre NP/mdB/m114 b radian per
7、metre rad/mdegree per metre /m115 tsecond s 116 tggsecond a A() B() . b KS C IEC 60027 1 . SI ISO 31 117 c, vametre per second m/s 118 cg, vgametre per second m/s 119 s minmaxSSs =one 1 120 ( ) r, p one 1 percent % 121 ( ) one 1 percent % 122 ( ) p, s p j j second to the power minus one s 1123 ： u(t
8、) e tsin t second to the power minus one s 1124 (： damping) csecond to the power minus one s 1b 125 f0f refhertz Hz 126 frhertz Hz a , c , v . bG . c KS C IEC 60027 1 . KS C IEC 60027 2:2009 4 SI ISO 31 127 fchertz Hz 128 B, fBhertz Hz 129 ( ) m u (1 sin t ) sin t aone 1 percent % 130 ( ) u sin t si
9、n t aradian rad 131 ( ) f f f cos x hertz Hz 132 f bfdf w /2 hertz Hz 133 ( ) sin x radian rad 134 b d radian rad 135 d K c one percent % a , . b . c . , . ： . dh( kh) 2 2.1 2 IEC 60375 1 . 1 . KS C IEC 60027 2:2009 5 SI 201 Z1a, b, c ohm 202 Z2a, b, cohm 203 Z0, ZcZchb ohm 204 (image) ZiZimbohm 205
10、 Zk, Zitb 206 Zdzd=2121IIZUU =22211211ZZZZZ206.1 Z11ez11e0211=IIUohm 206.2 Z12z120121=IIUohm 206.3 ( ) Z21z210212=IIUohm 206.4 Z22ez22e0122=IIUohm 207 Ydyd=2121UUYII =22211211YYYYY207.1 Y11ey11e0211=UUIsiemens S 207.2 Y12y120121=UUIsiemens S 207.3 ( ) Y21y210212=UUIsiemens S 207.4 Y22y220122=UUIsiem
11、ens S 208 H Hdhd=2121VIHIV =22211211HHHHHf 208.1 H11eh11e0211=UIUohm 208.2 H12h120121=IUUone 1 208.3 ( ) H21h210212=UIIone 1 208.4 H22eh22e0122=IUIsiemens S KS C IEC 60027 2:2009 6 SI 209 K Kdkd=2121IUKUI =22211211KKKKK f 209.1 K11ek11e 0211=IUIsiemens S 209.2 K12k120121=UIIone 1 209.3 ( ) K21k21021
12、2=IUUone 1 209.4 K22ek22e0122=UIUone 210 (chain) Adad=2211IUAIU =22211211AAAAA f210.1 ( ) A11ga110221=IUUone 1 210.2 ( ) A12ga120221=UIUone 210.3 ( ) A21ga210221=IUIsiemens S 210.4 ( ) A22ga220221=UIIone 1 211 Bdbd=1122IUBIUh=22211211BBBBBf211.1 B11b110112=IUUone 1 211.2 B12b120112=UIUone 211.3 B21b
13、210212=UUIsiemens S 211.4 B22b220112=UIIone 1 212 Sdsd=2121MMSNNi=22211211SSSSS KS C IEC 60027 2:2009 7 SI 212.1 , 1 S11s110211=MMNone 1 212.2 , S12s120121=MMNone 1 212.3 ( ) , S21s210212=MMNone 1 212.4 , 2 S22s220122=MMNone 1 213 Tdtd=2211NMTMN i=22211211TTTTT213.1 j T11t110221=NMNone 1 213.2 jT12t
14、120221=MNNone 1 213.3 jT21t210221=NMMone 1 213.4 jT22t220221=MNMone 1 a b . cZ1 1 , Z2 2 . 1 2 KS C IEC 60027 1 6 . d (： Z ). (Zij) (KS A ISO 31 11 11 1 ). 2 , . 2 2 2 . KS C IEC 60747 1： 2004 ( 5 3.2) . e KS C IEC 60027 1 . f . . gA, B, C, D A11, A12, A21, A22 . h B A . A A 1 , . =1122IUAIU A 1 . i
15、M1 M2 1 2 . N1 N2 1 2 . a b . ( ) . 217.1 . j . KS C IEC 60027 2:2009 8 2.2 n IEC 60375 2 . 2 n 2 n k n k n . . KS C IEC 60027 2:2009 9 SI 214 Zaza=nnIIIZUUUMM2121 =nnnnnnZZZZZZZZZZLMOMMLL212222111211214.1 j i Zijzijij j Zij Zji n ohm 214.2 i Ziizii ohm 215 Yaya=nnUUUYIIIMM2121 =nnnnnnYYYYYYYYYYLMOM
16、MLL212222111211215.1 j i Yijyijij j Yij Yji n siemens S 215.2 i Yiiyii siemens S 216 Aaaa=+nknkkkIIUUAIIUUMMMM1111 1)1(1)1()1)(1()1(1)1()1(11)1(1111+= ZAAAAAAAAAAAAAAAAAnnknnknnkkkkkkknkkkkknkkLLMOMMOMLLLLMOMMOMLL n 2k ( 2 ) . 216.1 bAijaiji 1 k j 1 k one 1 216.2 bAijaiji k 1 n j k 1 n one 1 216.3 b
17、Aijaiji 1 k j k 1 n one 216.4 b Aijaiji k 1 n j 1 k siemens S KS C IEC 60027 2:2009 10 SI 217 Sasa=nnMMMSNNNMM2121c=nnnnnnSSSSSSSSSSLMOMMLL212222111211217.1 ： M, Nd i Mi Ni Ui Ii . ( 2 ). iiiiiZIZUMrefref2+= iiiiiZIZUNrefref2= (1) ReZref i 0 Re2refrefiiiiiZIZUM+= Re2refref*iiiiiZIZUN= (2) Zrefi iZre
18、f . (1) iiiiiSIUNM22= i(K 60050 131 ) , (2) | Mi|2 | Ni|2 ReUiI*i Pi i . (1) (2) . watt to the power one-half W1/2217.2 i Siisiione 1 217.3 i j Sijsijij (i, j) Sij Sji n . one 1 KS C IEC 60027 2:2009 11 SI 218 Tata2nk =( ) 1, k 2nk =( ) k 1, n =+nknkkkNMMMTMMNNMMMM1111 =+nnknnknnkkkkkkknkkkkknkkTTTT
19、TTTTTTTTTTTTTLLMOMMOMLLLLMOMMOMLL)1(1)1()1)(1()1(1)1()1(11)1(1111a (： Z ). (Zij) (KS A ISO 31 11 11 1 ). b . c M1, M2, Mn 1, 2, , n . N1, N2, , Nn 1, 2, n . , . ( ) . 217.1 . d a b . 3 ( ) SI ISO 31 301 ( ) z, Zaohm per metre /m 302 ( ) y, Yasiemens per metre S/m 303 ( ) r, Raohm per metre /m 304 (
20、) l, Lahenry per metre H/m 305 ( ) g, Gasiemens per metre S/m 306 ( ) c, Cafarad per metre F/m 307 Z0b, Zcohm 308 qzone 1 a , () . . b “0” “o” . KS C IEC 60027 2:2009 12 SI ISO 31 309 qyone 1 310 ； AeAqe neper, decibel Np,dB311 Azneper, decibel Np,dB312 Axneper, decibel Np,dB313 Ax0aAd0aneper, decib
21、el Np,dB314 N one 1 percent %315 (logatom) LNLone percent % 316 aNaa one 1 percent % 317 vNvv one 1 percent %318 phNphone 1 percent %a “0” “o” . 319 0 c, ch 320 i im321 k it 322 (psophometric) p, psa323 in ins 324 cp m 325 x d 326 (near-end) xn dp 327 (far-end) xt dt328 t 329 r 330 rr a“p” . “ps” (I
22、TU T) . KS C IEC 60027 2:2009 13 4 SI ISO 31 A. 401 E a volt per metre V/m 402 LE, F dBlg20refEELE=decibel dBb 403 E0cvolt per metre V/m 404 LE0, F0dBlg20ref00EELE=decibel dBb405 l d d metre m 406 ( ) h hae metre m 407 ( ) v radian rad degree 408 ； tt siemens per metre S/m 409 r, one 1 410 ( ) a rtt
23、 metre m 411 k k 4/3 one 1 412 aef ka metre m 413 D one 1 414 a E E1e 1l , 405 metre to the power minus one m 1415 metre m B. 416 6 44 n one 1 417 N N (n 1)106one 1 418 n ahnn +=one 1 419 M MrM (n 1)106+610ahNh , 406 a , 410 one 1 a KS C IEC 60027 1 . b1 V/m Eref . c “0” “o” . dd l , . eh . KS C IEC 60027 2:2009 14 SI ISO 31 C. 420 ( ) n ni, Nametre to the power minus three m 3421 ( ) n ne, Nametre to th
