1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 26 KS C IEC 60676 KS C IEC 60676： 2006 C IEC 60676： 2006 ( ) ( ) ( ) ( ) ： ： 2006 12 26 2006 0875 ： ： ( ) ( 02 509 7295 7) . 7 5 , . C IEC 60676： 2006 i 1. 1 2. 1 3. 1 4. 4 4.1 4 4.2 4 5. 4 5.1 5 5.2 5 5.3 5 5.4 5 5.5 ( .) 5 5.6 8 5.7 9 5.8 10 ICS 2
2、5.180.10 KS C IEC 60676： 2006Industrial electroheating equipment Test methods for direct arc furnaces 2002 2 IEC 60676 Industrial electroheating equipment Test methods for direct arc furnaces . 1. 500 kg 3 . . 3 . ( , ) ( ) , (tapping) . . , . 1. . 2. . KS C IEC 60146 1 1 . 2. . . KS C IEC 60146 1 1
3、： 1991 1 1 ： KS C IEC 60398： 1999 IEC 60050 841： 1983 841 3. . 3.1 (arc furna ce) IEV 841 04 27 3.2 (direct arc furnace) IEV 841 04 28 3.3 (arc furnace installation) a) . ( ) (2 ) C IEC 60676： 2006 2 ( ) , b) , , , 3.4 (arc furnace shell) IEV 841 04 43 3.5 (rated volume of the furnace) . 3.6 (rated
4、capacity of the furnace) 1. , . 2. . 3.7 1 (t/m3)(minimum bulk density of scrap for the single complete maximum charge of the furnace) 3.8 (furnace high voltage switch) , 3.9 (arc furnace transformer) IEV 841 04 34 3.10 (power rating of an arc furnace transformer) IEV 841 04 12, 3.11 (melt down powe
5、r of an arc furnace transformer) , ( , ) (3.22 ). 3.12 (arc furnace reactor) IEV 841 04 35, 3.13 (saturable reactor) , , , 3 3.14 (d.c. reactor)( ) 3.15 (controlled rectifier)( ) 2 3.16 (electrode of an arc furnace) a) . . b) ( ) , 3.17 (arc furnace electrode clamp) C IEC 60676： 2006 3 IEV 841 04 58
6、, 3.18 (high current line) 2 ( ) 2 3.19 1 (%)(asymmetry factor on primary side)( .) 5.5.4 . 3.20 (active power of main electrical circ uit of arc furnace installation) 3 1. 3 . 2. ( ) (kWh) . 3.21 (kWh/t)(specific electric energy consumptio n for melting) 1 , 3.22 ( tm)(net power on time) . ( , , ,
7、) 3.23 (t/h)(specifi c production rate) . 3.22 . 3.24 (power factor of main electrical circui t of arc furnace installation) (KS C IEC 60146 1 1 1.5.26.1 ) SP= (1) P： S： 1 , (KS C IEC 60146 1 1 1.5.26.2 ). cos 111SP(1A) P1： S1： 1. , . 2. . 3. ( , ) . 2Q2PPEEE+ (1B) EP： EQ： 3.25 (m3/h)(cooling water
8、flow rate) a) (shell) C IEC 60676： 2006 4 b) c) d) 3.26 (operational short circuit) , 3.27 (cold state of arc furnace installation) , 3.28 (hot state of furnace) . 3.29 (phase rotation) , 4. (Type of tests and general conditions of the ir performance) 4.1 (List of tests) . a) (5.1 ) b) (5.2 ) c) (5.
9、3 ) d) (5.4 ) e) (5.5 ) f) 1 (5.5.5 ) g) (5.6 ) 5.6.2 a) 5.6.2 b) 5.6.2 c) 5.6.2 d) (5.7 ) h) (5.8 ) a) c) , . d) h) . . . . 4.2 (General conditions of test performance) KS C IEC 60398 . . , . , , , . . . 5. (Recommendations on technical tests) C IEC 60676： 2006 5 5.1 (Measurement of electrical insu
10、lation of hig h current line) , . ( ) . KS C IEC 60398 7.1.2 7.1.3 . a) , . 1 000 k . b) , . 100 k . 1. . 2. . 3. , . 5.2 (Measurement of cooling water flow rate and heat losses) . (3.28 ) . , . . tQqm= (m3/h)(2) Qm： (m3) t： (h) , ( , ) . . 5.3 (Measurement of the speed of electrode motion) . . , 3
11、. 5.4 (Check of the rated capacity of the furnace) . , . . . , “ ” . 5.5 ( .)Carrying out a short circuit test during normal operation(not applicable for d.c. directr arc furnaces) 5.5.1 1 , 1 2 . 5.5.2 1 . , . 1 2 . . C IEC 60676： 2006 6 1. . , . 0.5 ( ). 2. , . 3. , . . 5.5.3 Dd 0( /) 2 . LV , . L
12、V , HV . HV LV . . LV . 5.5.4 , 3 2 ( ) . ( 1/2 2/3) . . . . 1 1 I1A, I1B, I1C, U1A, U1B, U1C, P1A, P1B, P1C 2 I1A, I1B, I1C, U1AB, U1AC, U1BC, P1AB, P1BC1 1 P P1A P1B P1C, 2 P P1AB P1BC(3) A, B R1AB2B1A1)(4IIP+, Z1AB)(2B1A1AB1IIU+, X1AB )(2AB12AB1RZ (4) B, C R1BC2C1B1)(4IIP+, Z1BC)(2C1B1BC1IIU+, X1
13、BC )(2BC12BC1RZ (5) A, C R1AC2C1A1)(4IIP+, Z1AC)(2C1A1AC1IIU+, X1AC )(2AC12AC1RZ (6) 1. U1AB, U1AC, U1BC U1A, U1B, U1C , . R1A2BC1AC1AB1RRR +, R1B2AC1BC1AB1RRR +, R1C2AB1AC1BC1RRR +(7) X1A2BC1AC1AB1XXX +, X1B2AC1BC1AB1XXX +, X1C2AB1AC1BC1XXX +(8) Z1A )(2A12A1XR + , Z1B )(2B12B1XR + , Z1C )(2C12C1XR + (9) C IEC 60676： 2006 7 kT21UU(10) R2TA R2TB R2TC R2Tm2T2CuT3IP(11) X2TA X2TB X2TC X2Tm2Tm22TkT2T2100RSuU(12) Dd Yy( / / ) (2 )(5.5.3 ) RA2TA1kR R2Tm, RB2TB1kR R2Tm, RC2TC1kR R2Tm(13) XA2TA1kX X2Tm, XB2TB1kX X2Tm, XC2TC1kX X2Tm(14) ZA )(2A2AXR + , ZB )(2B2BXR + , ZC )(2C2CXR + (15)
