农业机械
DV47L250LE4A
发布时间:2016-02-24 15:16:22 产品编号:GY-5-73553747  分享
价格:10.00/件
品牌:DV47L250LE4A
起订:1件
供应:100件
发货:3天内
信息标签:DV47L250LE4A,供应,机械及行业设备,农业机械

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DV47L250LE4A系统 220kV 运行方式如图 1 所示: 主变高压侧开关 2602 挂在 220kV 正母线, 正母线和副母线处于并列状态, 唐顾 2H49 线挂在正母线,唐都 2H80 线挂在副母线,两条线路的线路刀分位,线路刀的母线侧地刀在合位。

按照方法一, 准备三台 220V 的电焊机, 输入输出按星形接线,输出 N 点接地。 每个电焊机在接线前需进行本身极性检查,使输出相位正确。将三相电流加在主 变高压侧桩头,以所用电 Ua 为基准电压。试验时同时合唐顾 2H49 线开关、唐都 2H80 线开关,模拟线路三相短路接地,电流分别经过 2602->I 母线->2H49-> 大地、2602->I 母线->2610->II 母线->2H80->大地。此时一次电流能达到 170A 左右,二次电流幅值较大,容易测量。由此可见,通过该方法,不仅可验 证 CT 变比,而且对母差回路有完整的检验,同时可以通过调整三相输出电流的 大小不同直观的确认相序。

主变电流回路的检查,如果用电焊机加电流的方法对主变通流,一次电流 就会很小。 原因是电焊机的二次侧具有低电压、 大电流的特点, 空载电压为 70V, 工作电压维持在 30V 左右,而主变短路阻抗比较大。可以根据变压器技术参数, 计算变压器阻抗:

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NEW MANUAL STAINLESS 2-1/2 IN NPT BALL VALVE D299917
MILWAUKEE 600WOG 150S BRASS THREADED 1-1/2 IN NPT BALL VALVE B267918
NEO 425 STAINLESS 1 IN NPT 600 THREADED BALL VALVE B420433
DM340 250PSI CF8M STAINLESS 1-1/2 IN NPT BALL VALVE B317707
HENRY 904600 500PSI CWP BRASS BUTT WELD 1-5/8 IN BALL VALVE B294247
TRUELINE 515 1-1/2 IN 150 STAINLESS FLANGED BALL VALVE B460155
PROCOL A105N DN 40/32 1.4408 1-1/4 IN STAINLESS SOCKET WELD BALL VALVE B416271
APOLLO 600 WOG CII ConBRACO BRonZE THREADED 1-1/2 IN NPT BALL VALVE B273439
RED-WHITE 4880 NACE-MR0175 2000PSI-WOG STAINLESS 1-1/2 IN NPT BALL VALVE B355404
JENKINS 1-1/2 IN NPT 150 WSP BRonZE THREADED BALL VALVE B381249
NEW NIBCO F-515-S6-F-66-FS NSR 8 F05 STAINLESS FLANGED 1IN BALL VALVE D261678
JAMESBURY EJ-20E 115V 1.5A AMP ELECTRIC ACTUATOR STAINLESS BALL VALVE B414991
ITT GRINNELL 720 CWP STAINLESS THREADED 1-1/4 IN NPT BALL VALVE B363854
NELES JAMESBURY 7150-31-3600MTT-2 3 IN 150 STAINLESS FLANGED BALL VALVE B476606
FNW 600-150 FULL PORT BODY CF8M 150 STAINLESS FLANGED 2 IN BALL VALVE B243924
NELES JAMESBURY 5150 31 3600MT EJ-20 ACTUATOR 150 FLANGED 2IN BALL VALVE B248924
NA VGSS 1113 BKH 3/4 NPT BALL VALVE LOCKABLE HANDLE B296394
APOLLO 82-244-01 STAINLESS STEM/BALL 3 PIECE BRonZE 3/4 IN BALL VALVE B323977
FLOWSERVE 1PT4466XGSE R3 STAINLESS THREADED 1 IN NPT BALL VALVE 1440CWP D218059
WORCESTER ConTROLS PNEUMATIC 150 STAINLESS FLANGED 6 IN BALL VALVE B250505
WHITEY SS-6511 C/W ACTUATOR 2200PSI STAINLESS FLANGED 1-1/2IN BALL VALVE B214625
NEW NELES JAMESBURY 1/2 A 3600TT STAINLESS 1/2IN NPT BALL VALVE 2000CWP D216393
RUB CW617N STAINLESS STEM/BALL CWP DN25 300 BRASS 1 IN NPT BALL VALVE B312367
VALPRES 140 2000 WOG 1/2 IN NPT STAINLESS THREADED BALL VALVE B404639
FNW 500-150 4 BOLT CF8M 150 STAINLESS FLANGED 2 IN BALL VALVE B313706
VELAN 01413-SSGA CF8M HYTORK-221 2 IN 150 STAINLESS FLANGED BALL VALVE B481379
FLUTEC KHM-G11/2-1112 DN40 PN315 STAINLESS 1-1/2 IN NPT BALL VALVE B297637
HABonIM 47P-6666RT/NPT 1/2IN NPT PNEUMATIC C20 1500 STAINLESS BALL VALVE B391595
FLOW 50B-92 ConTROL STAINLESS FLANGED 1 IN BALL VALVE B206442
NEW WORCESTER ConTROLS 4466RT STAINLESS THREADED 3/4IN NPT BALL VALVE D360733
NEW ECOLAB 8525-4035 PVC THREADED 1/2IN NPT BALL VALVE D332004
CII APOLLO 600WOG BRASS THREADED 3/4 IN NPT BALL VALVE B354811
NELES JAMESBURY 2 4A 3600 MT1 STAINLESS 2IN NPT BALL VALVE PNEUMATIC D206984
NELES JAMESBURY C15-R21C SEGMENTED STAINLESS FLANGED 1-1/4 IN BALL VALVE B273468
NEW APOLLO 2 WAY 600 STAINLESS THREADED 1/ IN NPT BALL VALVE B264489
FNW FULL PORT BODY CF8M CLASS 1 IN 150 STAINLESS FLANGED BALL VALVE B471845
SWAGELOK SS-63TS8-JL 2200PSI 1/2 IN NPT STAINLESS THREADED BALL VALVE B395159
WORCESTER ConTROLS MK005 PNEUMATIC THREADED 1-1/2IN NPT BALL VALVE B279795
WORCESTER ConTROLS 1-1/2 BWK446 6T 1-1/2 IN TRI-CLAMP BALL VALVE D447489
APOLLO 82-244-01 STAINLESS STEM FULL PORT 3PIECE BRonZE 3/4IN BALL VALVE B326947
GRINNELL 8VR 275CWP 150 STAINLESS FLANGED 1 IN BALL VALVE B206487
ConBRACO APOLLO 1 IN NPT 1500 STAINLESS THREADED BALL VALVE B462581
PBM SIH-36-TT3 CF8M 2 WAY STAINLESS 2 IN BALL VALVE B314260
NEW MARWIN 7444RTRS PNEUMATIC STAINLESS THREADED 1 IN NPT BALL VALVE D303139
NEW ConBRACO 77-105-27 APOLLO 600 BRonZE THREADED 1IN NPT BALL VALVE D366737
VALMET? CF8M CLASS 150 STAINLESS STEEL 4-BOLT FLANGED 1IN BALL VALVE B204749
NELES JAMESBURY 5150-31-3600TT 3 IN 150 STAINLESS FLANGED BALL VALVE B460010
NEW WAUKESHA 4308-0718-10 1-1/2 IN STAINLESS TRI-CLAMP BALL VALVE D403201
JOHN VALVES 2000 WOG 10 BAR 1-1/2 IN STAINLESS THREADED BALL VALVE B428187
NEW WORCESTER ConTROLS 416RT 1/2 IN SOCKET WELD BRASS BALL VALVE D482022
NEW MUELLER A-17260 BALLMASTER REFRIGERATION 3/8 IN ODS BRASS BALL VALVE B420437
SHARPE SPN II 063 1000 WOG SPN II 063 3/4IN NPT 150 STAINLESS BALL VALVE B385057
NEW GEMINI A411 34203 PNEUMATIC STEEL THREADED 1/2IN NPT BALL VALVE D332132
NEW W.E. ANDERSON BV2F307-SV AIR 1000 WOG STAINLESS 2IN NPT BALL VALVE D245694
NEW WORCESTER ConTROLS R2CWP1000 BRASS THREADED 3/8IN NPT BALL VALVE D265702
APOLLO CII ConBRACO 600WOG 2 WAY THREADED 3/4IN NPT BALL VALVE B274858
JAMESBURY A150F3600MTRF 4 IN 150 STEEL FLANGED BALL VALVE B467001
NELES JAMESBURY 4C3600T2 2 IN STAINLESS SOCKET WELD BALL VALVE B445769
NEW WORCESTER ConTROLS 11/2BGPWK4466TTC 1-1/2 IN TRI-CLAMP BALL VALVE D447499
NEW SFERACO 50801 FIG151 FLOATING STEEL VS505 DN80 3IN BALL VALVE B252408
HISAKA TYPE HS 150LB 230PSI ASTM CF8M TFE STAINLESS 2IN NPT BALL VALVE B213885
SWAGELOK SS-45S8-LL 40 SERIES STAINLESS 2 WAY 1/2IN NPT BALL VALVE B213971
NEW WORCESTER ConTROLS 4416T V46 MK536 CWP1000 3/4IN NPT BALL VALVE D224512
HYDAC KHM-50-NPT-1114 STEEL THREADED 2 IN NPT BALL VALVE B355604
NEW NELES JAMESBURY SP26SR60-B AIR STAINLESS 150 2IN NPT BALL VALVE D265406
KTM E0162-32E-15L-SB11 3 IN PNEUMATIC 150 STAINLESS FLANGED BALL VALVE B402012
DURCO AKH3 PNEUMATIC 150 STEEL FLANGED 2 IN BALL VALVE B208412
WHITEY SS-62TSW6T 3600PSI 3/8IN NPT STAINLESS SOCKET WELD BALL VALVE B406717
JAMESBURY 1 A 1100-TTM0D B STEM 500 WOG 1 IN NPT 150 BRASS BALL VALVE B409400
FNW 220 2000WOG 1/2 IN NPT STAINLESS THREADED BALL VALVE D468848
GRINNELL BVR HINDLE 1X3/4 IN 150 STAINLESS FLANGED BALL VALVE B472391
NEW WORCESTER 1-1/2 4416TSE MK539 FLOWSERVE BRASS 1-1/2IN NPT BALL VALVE D222628
NEW MAS 0206 3/4 IN NPT 2000 STAINLESS THREADED BALL VALVE B416119
NEW GENEBRE 2015 DN32 316 1-1/4 IN NPT STAINLESS THREADED BALL VALVE B414588
NELES JAMESBURY 4 50150 31 3600 TT 150 STAINLESS FLANGED 4 IN BALL VALVE B208946
VELAN S08-K1813-SSG 1000WOG CF8M 2 IN PNEUMATIC BALL VALVE B389779
VELAN S08-M1113-SSG VALVAC 1500PSI-WOG STAINLESS 2 IN NPT BALL VALVE B355430
SHARPE SP063N 145PSI PNEUMATIC ACTUATOR 3/4 IN NPT THREADED BALL VALVE B364721
NEW WORCESTER ConTROLS 4416RTSE R2CWP1500 BRASS 3/4 IN NPT BALL VALVE D261926
BI-TORQ GV-305F-TC-020 IS3TC20100SR 1000 STAINLESS 2 IN BALL VALVE B287453
NEW BI-TORQ GV-305F-TC-020 IS3TC20100SR 1000 STAINLESS 2IN BALL VALVE B288638
BI-TORQ GV-305F-TC-020 IS3TC15100SR 1000 BUTT WELD 1-1/2 IN BALL VALVE B292217
NEW COLonIAL V07106N TRUE-unio PP/VITON PVC 1/2 IN BALL VALVE B334789
FLUTEC KHM-G3/4-3312 PN315 DN 20 STAINLESS THREADED 3/4IN NPT BALL VALVE B297614
NEW NIBCO NSF-PW PVC-I CHEMTROL 150PSI TRU-BLOCK PVC 1 IN BALL VALVE B251753
NELES JAMESBURY 5150-31-3600MT 2 IN 150 STAINLESS FLANGED BALL VALVE B466871
FLOWSERVE B34S PNEUMATIC STAINLESS THREADED BALL VALVE B416632
FNW 1500WOG 2 IN NPT STAINLESS THREADED BALL VALVE D472851
NEW SPEARS 1839-005C VITON 235PSI CPVC THREADED 1/2IN NPT BALL VALVE D364966
VELAN S07-M1113-SSG VALVAC STAINLESS THREADED 1-1/2 IN NPT BALL VALVE B355446
FNW 1500WOG 2 IN NPT STAINLESS THREADED BALL VALVE D464117
NEW APOLLO 70-101-2741 2 WAY BRASS THREADED 1/4 IN NPT BALL VALVE B272372
DEZURIK A2329 KTM CF8M SEGMENTED 150 STAINLESS 8IN FLANGED BALL VALVE B244924
NEW GUARDIAN AP620-335H 2 WAY 1000WOG STAINLESS 1 IN NPT BALL VALVE B235030
WATTS S8500 CWP REGULATOR 3/4 IN NPT 1000 STAINLESS THREADED BALL VALVE B414164
FNW FULL PORT BODY CF8M CLASS 1 IN 150 STAINLESS FLANGED BALL VALVE B471847
NEW ConTROMATICS CF-8M THREADED 1-1/4IN NPT BALL VALVE 1500WOG D302274
NAS CF8M 1000 WOG 3/4 IN NPT STAINLESS SOCKET WELD BALL VALVE B384065
NEW WORCESTER ConTROLS 1 4416USE BRASS THREADED 1 IN NPT BALL VALVE D272800
WORCESTER ConTROLS 3/4B4446PMSE ACTUATOR 10 120PSI 3/4 IN NPT BALL VALVE B210920
SUPERIOR 587WA-12ST INTEGRA SEAL REFRIGERATION 3/4 IN BRASS BALL VALVE B420054
JOUKA NS50 NP25 STEEL 2 IN BUTT WELD BALL VALVE B298142
NELES JAMESBURY A150 31 3600MT 2 IN PNEUMATIC 150 STAINLESS BALL VALVE D471004
JAMESBURY 5150 31 3600TT 2 IN PNEUMATIC 150 STAINLESS FLANGED BALL VALVE D471516
NELES JAMESBURY 2 5150 31 3600 TT 2 IN 150 STAINLESS FLANGED BALL VALVE D445561
MILWAUKEE 600WOG CLASS 150 BRASS THREADED 3/4 IN NPT BALL VALVE B266662
APOLLO 70-101-01 ConBRACO 600 BRASS THREADED 1/4 IN BALL VALVE B274910
NEW HOKE 7222F6Y 3/8 IN NPT STAINLESS THREADED BALL VALVE D478654
MUELLER A-17262 REFRIGERATION BI-DIRECTIonAL 5/8 IN ODS BRASS BALL VALVE B420363
WORCESTER ConTROLS E4446RTSW FLOWSERVE 1/2 IN SOCKET WELD BALL VALVE D422491
WORCESTER 1-1/2B416PMSF SERIES 39 PNEUMATIC 1000 1-1/2 IN NPT BALL VALVE B355691
MARWIN 8733FTRS-20A PNEUMATIC 1000 STAINLESS THREADED 2IN NPT BALL VALVE B305550
NELES JAMESBURY 2 IN PNEUMATIC 150 STAINLESS FLANGED BALL VALVE D471006
NEW AVS SHUT OFF CF8M STAINLESS THREADED 3/4 IN NPT BALL VALVE B298302
NEW RB 2500 600WOG 150 BRASS THREADED 1-1/2 IN NPT BALL VALVE B316793
JAMESBURY D150F 36TT FF 3 IN 150 STAINLESS FLANGED BALL VALVE D474787
NEW PROCOL 20 1/2 IN 3 PIECE STAINLESS SOCKET WELD BALL VALVE B406529
AVCO SVF NB 4488NG BV1004 1500 STEEL THREADED 1-1/2 IN NPT BALL VALVE D223244
NEW NIBCO T590Y-66 3 IN NPT ELECTRIC 600 BRonZE THREADED BALL VALVE B469012
NEW MILWAUKEE 20SSOR-02-LL 2000WOG 3/8 IN NPT STAINLESS BALL VALVE D425378
WORCESTER 11/2B4446PMSW-R2 20-39-SN STEEL SOCKET WELD 1-1/2IN BALL VALVE B214744
NEW NELES JAMESBURY 1000CWP 300 STAINLESS BUTT WELD 1/2 IN BALL VALVE B207974
DYNA-QUIP 1/4 IN NPT BRASS THREADED BALL VALVE D473186
SHARPE 50M76 1000 CWP 1/2 IN NPT STAINLESS THREADED BALL VALVE D471302
FNW 2000WOG 1/4 IN NPT STAINLESS THREADED BALL VALVE D467830
NELES JAMESBURY 3 5150 31 3600 MT ELECTRIC 150 FLANGED 3 IN BALL VALVE B208942
BETTIS VELAN EE1000 RPB250-SR3 ACTUATOR STAINLESS 3/4IN NPT BALL VALVE B211944
NELES JAMESBURY 1/2 530S-31-3600-TT PNEUMATIC STAINLESS 1/2IN BALL VALVE B204358
TRUELINE N710A 300 WOG STAINLESS 2 IN NPT BALL VALVE B218739
NEW DORMONT EMICO YN1 CF8M 1000 STAINLESS 0.5IN 1/2IN NPT BALL VALVE D203243
MAS CF8M 1/4 IN NPT 2000WOG STAINLESS THREADED BALL VALVE B402309
NEW WORCESTER ConTROLS WAFER 3 IN STAINLESS BALL VALVE D482058
NELES JAMESBURY 5150 31 3600TT PNEUMATIC 150 FLANGED 2IN BALL VALVE B256868
NEW FNW 601-150 2-1/2IN FLANGED 150 STEEL BALL VALVE D403483
NEW APOLLO 70-104-01 3/4 IN NPT BRonZE THREADED BALL VALVE D410560
NEW EFFEBI MOON N702N610 WAFER SPHERE STAINLESS 2-1/2 IN BALL VALVE B252462
WORCESTER ConTROLS 11/2CPT4446TBSE THREADED 1-1/2IN NPT BALL VALVE D303861
ITT GRINNELL BRASS THREADED 2IN NPT BALL VALVE D278018
TA CHEN TC-03S 1000 WOG FLOW 3/4 IN STAINLESS SOCKET WELD BALL VALVE B480587
VALPRES PN 40 1 IN NPT PNEUMATIC STAINLESS THREADED BALL VALVE B402241
TRI CLOVER SANITARY DISC BODY CG3M 1 IN STAINLESS FLANGED BALL VALVE B454677
VELAN S08-M1113-SSG VALVAC 1500PSI-WOG STAINLESS THREADED 2IN BALL VALVE B355375
NEW MCCANNA S302-BR-R-S6 BRonZE THREADED 3/4IN NPT BALL VALVE D357368
NEW APOLLO 76-101-01A CF8M 1/4 IN NPT STAINLESS THREADED BALL VALVE D410578
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