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深圳市扎克貿(mào)易有限公司——專注歐美工控備件進(jìn)口
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異步電機(jī)(感應(yīng)電機(jī))的工作原理是通過定子的旋轉(zhuǎn)磁場(chǎng)在轉(zhuǎn)子中產(chǎn)生感應(yīng)電,產(chǎn)生電磁轉(zhuǎn)矩,轉(zhuǎn)子中并不直接產(chǎn)生磁場(chǎng).因此,轉(zhuǎn)子的轉(zhuǎn)速一定是小于同步速的(沒有這個(gè)差值,即轉(zhuǎn)差率,就沒有轉(zhuǎn)子感應(yīng)電流),也因此叫做異步電機(jī).
而同步電機(jī)轉(zhuǎn)子本身產(chǎn)生固定方向的磁場(chǎng)(用永磁鐵或直流電),定子旋轉(zhuǎn)磁場(chǎng)"拖著"轉(zhuǎn)子磁場(chǎng)(轉(zhuǎn)子)轉(zhuǎn)動(dòng),因此轉(zhuǎn)子的轉(zhuǎn)速一定等于同步速,也因此叫做同步電機(jī).
作為電動(dòng)機(jī)時(shí),大部分是用異步機(jī);發(fā)電機(jī)都是同步機(jī)。
同步電機(jī)和異步電機(jī)的區(qū)別
三相交流電通過一定結(jié)構(gòu)的繞組時(shí),要產(chǎn)生旋轉(zhuǎn)磁場(chǎng).在旋轉(zhuǎn)磁場(chǎng)的作用下,轉(zhuǎn)子隨旋轉(zhuǎn)磁場(chǎng)旋轉(zhuǎn).如果轉(zhuǎn)子的轉(zhuǎn)速同旋轉(zhuǎn)磁場(chǎng)的轉(zhuǎn)速**,就是同步電機(jī);如果轉(zhuǎn)子的轉(zhuǎn)速小于磁場(chǎng)轉(zhuǎn)速,也就是說兩者不同步,就是異步電機(jī).異步電機(jī)結(jié)構(gòu)簡單,應(yīng)用廣泛.同步電機(jī)要求轉(zhuǎn)子有固定的磁極(永磁或電磁),如交流發(fā)電機(jī)和同步交流電動(dòng)機(jī).
電機(jī)的轉(zhuǎn)速(定子轉(zhuǎn)速)小于旋轉(zhuǎn)磁場(chǎng)的轉(zhuǎn)速,從而叫為異步電機(jī)。它和感應(yīng)電機(jī)基本上是相同的。s=(ns-n)/ns。s為轉(zhuǎn)差率,
ns為磁場(chǎng)轉(zhuǎn)速,n為轉(zhuǎn)子轉(zhuǎn)速。
基本原理:(1)當(dāng)三相異步電機(jī)接入三相交流電源時(shí),三相定子繞組流過三相對(duì)稱電的三相磁動(dòng)勢(shì)(定子旋轉(zhuǎn)磁動(dòng)勢(shì))并產(chǎn)生旋轉(zhuǎn)磁場(chǎng)。
(2)該旋轉(zhuǎn)磁場(chǎng)與轉(zhuǎn)子導(dǎo)體有相對(duì)切割運(yùn)動(dòng),根據(jù)電磁感應(yīng)原理,轉(zhuǎn)子導(dǎo)體產(chǎn)生感應(yīng)電動(dòng)勢(shì)并產(chǎn)生感應(yīng)電流。
(3)根據(jù)電磁力定律,載流的轉(zhuǎn)子導(dǎo)體在磁場(chǎng)中受到電磁力作用,形成電磁轉(zhuǎn)矩,驅(qū)動(dòng)轉(zhuǎn)子旋轉(zhuǎn),當(dāng)電動(dòng)機(jī)軸上帶機(jī)械負(fù)載時(shí),便向外輸出機(jī)械能。
特點(diǎn):
優(yōu)點(diǎn):結(jié)構(gòu)簡單,制造方便,價(jià)格便宜,運(yùn)行方便。
缺點(diǎn):功率因數(shù)滯后,輕載功率因數(shù)低,調(diào)速性能稍差。
主要做電動(dòng)機(jī)用,一般不做發(fā)電機(jī)!
異步電機(jī)是一種交流電機(jī),其負(fù)載時(shí)的轉(zhuǎn)速與所接電網(wǎng)的頻率之比不是恒定關(guān)系。異步電機(jī)包括感應(yīng)電機(jī)、雙饋異步電機(jī)和交流換向器電機(jī)。感應(yīng)電機(jī)應(yīng)用zui廣,在不致引起誤解或混淆的情況下,一般可稱感應(yīng)電機(jī)為異步電機(jī)。
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OETIKER 13600155
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JUMO 202756/15-607-0-82/768
Boellhoff P2007
norelem 07534-08X25
ETA 17Plus-QA0-LR
BICKER ELEKTRONIK GmbH BEA-635
Vahle KSW 5/60-5 HS 0600449/00-5
E-T-A Elektrotechnische Apparate GmbH ESS20-002-DC24V-3A
Rexroth 3DR 10 P5-6X/50Y/00V,R900973873
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Kuka 109802
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STEMMER IMAGING Z-LASER Z15M18S3-F-640-7L5
RK Rose+Krieger GmbH FNA5023TA0145
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Fibro GmbH 4-661-832-0002 seals kits
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GMC KINAX 3W2 -144D 1/D NLB807
Datalogic S5-5-A4-30 RRX 10/30VDC G5210230
fischer FGAB1.3 ID:604-141
Ahlborn Mess- und Regelungstechnik GmbH ZA1312NA7
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Buhler UNN -44049-120
Spieth MSA85×2.0
SOFIMA TM178G78
B&R 5DLSDL.1000-00
Honsberg MR-020GM010
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Gestra Typ RK 86, PN 6-40, DN 80
B&R Industrie-Elektronik GmbH 4E0011.01-090
KAPP 2.760.53.981.00
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Selectron DDC712
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wago 750-400/006-000
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Saltus Technology AG AVP142F001
GHR K31-P8-S-N
SITEC 720.042
legrand Nr.01690
KNF Nr.032494
Rotork RC-230-DA E4LP2-IS5001 MB-80-30-20 EZ-Welle-RCE4L
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PFLITSCH 21650EZ0907
EMHART M066 643
Murrelektronik 7000-89701-7910030
Aerzener 159727000
Goldammer NR 85-MAS-VR50 L500-T-0-MS-M12 Nr.MA308.130
Rexroth KHZ-DA-050-0020-O,0822010563
Vahle 236187
Murrelektronik 7000-11061-2260500
IVD GmbH MLR25L 40120 35103/A 12UF
SCHMERSAL AZM 200 B ST-T-AS P Nr101194495
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Warmbier 2590.32189.43
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SNR US205G2
Rexroth FESE32CA-3X/450LK0G1M,R901033548
brinkmann TC 63/560-MVX+314
Aviteq KF0.5-1
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Walther 809-C
Schwarzer SP V 700 EC 230V/50Hz 7e53000
Rexroth CDT3MP5/50/22/200Z2X/B11HHUMWW
AKO VMC20.06K.50G.50
A.T.S SP3216 550X590X20 L2
wieland SNE4004K-A AC/DC 24V (A)
Phoenix CTM 1X2- 12DC Nr.2838597
Honsberg VHZ-008GK002MB
Savino Barbera srl AS30B PVDF 1,1 kW 2P
Phoenix ELR H3-IES-SC- 24DC/500AC-9 Nr.2900569
suco 0166-401-03-2-003
ROSS W6076B3407-48 VDC
Hydropa DS307/P0/SS
WENDT R86R.000.022-5000-200-D76u-WD5100-3" PL4S/L7000BY
Kuka 63122015
Multi-Contact 1.0006
Mahle PI 4245-012 FPM
Murr 7000-44001-8400060
Synotech PCB-394C06
SMW LPS-NT-A-100, Id.-Nr. 195921
Nordson 7301604
Di-soric OTV 05 V 50 P1K
Contrinex LTK-1120-303
Leuze GFG 250/0.5 RT-ME 1760000404
SAUER DANFOSS 151-5662
SIMRIT 60X90X10B2 72NBR902
Preeflow ECO-EC200-K
North American H6416-AMP-00
Phoenix SAC-3P- 3,0-PUR/M 8FR Nr.1669741
Hawe G3-1-A24
Burster 8416-5200
Staubli RBE 08 7152 G3/8
schmalz SAB 80 NBR-60 G3/8-IG
socla 149B3118
Thermo Electric 9231351
planetroll PD085-HAV100-1AA1
Dunkermotoren GmbH DR 62.0x40-4, 400/230VAC SNR 88183 03003
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ATOS E-MI-AC-01F/RR
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norelem 26106-05003055
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KNF 1257
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Phoenix Nr.1452932
HASBERG 0.3*100*500MM
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CONEC 164A10019X
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AIR DIMENSIONS M121-BT-WB2
DEUBLIN 1109-840-835
OTT-JAKOB 926030117
Philips Philips Master PL-S 5W/840/4P
BLEICHERT 1.40.1204
Verder 139.0012
CAPTRON MCR-225
SIEMENS 6SN1118-0DM33-0AA2
PILZ PSEN sl-0.5p 2.1 / PSEN sl-0.5 1unit,570501
CEMBRE Gmbh RF-P12
AXELENT W322-220060
Honsberg RVM008GM300
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IFM E70381
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MP FILTRI D GMBH 8MR1004M60AP01
Hawe HD13
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Murrelektronik GmbH 7000-12481-0000000
Fimi Spa 4.147.410.100
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Rexroth R901014935,4WRZE10W6-85-7X/6EG24N9K31/F1D3M
普通異步電機(jī)的定子繞組接交流電網(wǎng),轉(zhuǎn)子繞組不需與其他電源連接。因此,它具有結(jié)構(gòu)簡單,制造、使用和維護(hù)方便,運(yùn)行可靠以及質(zhì)量較小,成本較低等優(yōu)點(diǎn)。異步電機(jī)有較高的運(yùn)行效率和較好的工作特性,從空載到滿載范圍內(nèi)接近恒速運(yùn)行,能滿足大多數(shù)工農(nóng)業(yè)生產(chǎn)機(jī)械的傳動(dòng)要求。異步電機(jī)還便于派生成各種防護(hù)型式,以適應(yīng)不同環(huán)境條件的需要。異步電機(jī)運(yùn)行時(shí),必須從電網(wǎng)吸取無功勵(lì)磁功率,使電網(wǎng)的功率因數(shù)變壞。因此,對(duì)驅(qū)動(dòng)球磨機(jī)、壓縮機(jī)等大功率、低轉(zhuǎn)速的機(jī)械設(shè)備,常采用同步電機(jī)。由于異步電機(jī)的轉(zhuǎn)速與其旋轉(zhuǎn)磁場(chǎng)轉(zhuǎn)速有一定的轉(zhuǎn)差關(guān)系,其調(diào)速性能較差(交流換向器電動(dòng)機(jī)除外)。對(duì)要求較寬廣和平滑調(diào)速范圍的交通運(yùn)輸機(jī)械、軋機(jī)、大型機(jī)床、印染及造紙機(jī)械等,采用直流電機(jī)較經(jīng)濟(jì)、方便。但隨著大功率電子器件及交流調(diào)速系統(tǒng)的發(fā)展,目前適用于寬調(diào)速的異步電機(jī)的調(diào)速性能及經(jīng)濟(jì)性已可與直流電機(jī)的相媲美。
同步電機(jī)和感應(yīng)電機(jī)一樣是一種常用的交流電機(jī)。特點(diǎn)是:穩(wěn)態(tài)運(yùn)行時(shí),轉(zhuǎn)子的轉(zhuǎn)速和電網(wǎng)頻率之間有不變的關(guān)系n=ns=60f/p,ns稱為同步轉(zhuǎn)速。若電網(wǎng)的頻率不變,則穩(wěn)態(tài)時(shí)同步電機(jī)的轉(zhuǎn)速恒為常數(shù)而與負(fù)載的大小無關(guān)。
同步電機(jī)分為同步發(fā)電機(jī)和同步電動(dòng)機(jī)。現(xiàn)代發(fā)電廠中的交流機(jī)以同步電機(jī)為主。
工作原理
◆主磁場(chǎng)的建立:勵(lì)磁繞組通以直流勵(lì)磁電流,建立極性相間的勵(lì)磁磁場(chǎng),即建立起主磁場(chǎng)。
◆ 載流導(dǎo)體:三相對(duì)稱的電樞繞組充當(dāng)功率繞組,成為感應(yīng)電勢(shì)或者感應(yīng)電流的載體。
◆ 切割運(yùn)動(dòng):原動(dòng)機(jī)拖動(dòng)轉(zhuǎn)子旋轉(zhuǎn)(給電機(jī)輸入機(jī)械能),極性相間的勵(lì)磁磁場(chǎng)隨軸一起旋轉(zhuǎn)并順次切割定子各相繞組(相當(dāng)于繞組的導(dǎo)體反向切割勵(lì)磁磁場(chǎng))。
◆ 交變電勢(shì)的產(chǎn)生:由于電樞繞組與主磁場(chǎng)之間的相對(duì)切割運(yùn)動(dòng),電樞繞組中將會(huì)感應(yīng)出大小和方向按周期性變化的三 相 對(duì)稱交變電勢(shì)。通過引出線,即可提供交流電源。
phoniex 1411904
Landefeld Gummischlauch (bi 135°C), 13,0x20,0mm,OLN M4M 13
Phoenix SACC-M12MSB-5CON-PG9 SH AU - 1507764
ATOS AGAM-10/315/PE
CARLSTAHL DIN 580-M24-C15E
hydac SAF32M12T330A-S309
parker 3339532005
Multi-Contact 14.0048C1
kabelmat Wickeltechnik MESSROL 450 Einlaufrolle 85100438
Knoll slat band chain complete assembled type:S-1/240 Length 10.32m;tyep:S-1/240
OMRON E3T-ST14M5J03M
SVS-VISTEK GmbH ECO204MVGE
Vahle SA-BLS200-2-01 0590000
heidenhian Nr.337147-01(DA 300)
Rexroth R911170786 R-IB IL AO 2/U/BP-PAC
HPC YG1-32
Phoenix SAC-4P- 5,0-PUR/M12FR - 1668247
Phoenix 1518889
durgo GT-77 / 5 Bar DN20 Nr:500.13.91
Contrinex DW-AD-523-M8
NELSON 92-06-83
Phoenix Nr.2882653
Turck B4151-0/13.5 Nr.6904715
heidenhain 658492-01 AELS186C
E+L 00202924 CV 0203
storz-hydraulik PPA-32 m6
KUEBLER 8.9080.4531.3001
heidenhain 3m cable NO:360645-03
wago 750-602/006-000
Turck RK4.5T-25-RS4.5T/S2500 6699211
HARTING 19300241541
Hoentzsch A000/560 flowtherm NT
Sommer-automatic GmbH & Co. KG GZ25-35D
Procentec NR.37021
B&R Industrie-Elektronik GmbH X20CIF1030
AEG Thyro-A 2A 400-495 HF RL1 - 2.000.002.359
Rexroth 821303537
Werthenbach P-RV22L-0.5bar
GLASER 7.9820.43.35
wichita C24163-446
ATOS LIDEW1-4/WP-IX 24DC
RUKO 229090
heidenhain ROQ 425 ID:631703-07
Turck BI3U-EG12SK-VP4X 1580601
MOOG GmbH D662-4014/D01JABF6VSX2-A
ELABO G7-1G E99-02
Phoenix Nr.1516056
SIEMENS 7ML5501-0AA10
Baumer UNAM 30I6103/S14 Nr.10130000
IFM PN5004
balance SNOLTAERI04000
MULCO 25AT5/370M
Goldammer WM1-L100-MS-24VDC
Balluff GmbH BTL5-E10-M0500-P-S32
schneeberger SMD 4B-SD-250-80
heidenhain LC183 640mm ID:557679-06
HILCO ET1128-DRFRT/03
zimmer MKS2501A
Bonfiglioli CMPDPV1
SCHUNK AGE-XY-080-P Nr.0324481
INTERNORMEN 01E.900.3VG.HR.E.P
BST s-nr:128967 cable for IR2011 length:10m
LEE LC-018C-15M
LEE LC063L03S
Murrelektronik GmbH 7999-40041-4370500
Peiker 2115-133-002-05
Kuka 00-228-327
LANICO 3-W337-004A156A Profil: E5123A38FB
Invicta Vibrators BCAR40
SIEMENS 6DD1684-0GD0
newson-gale VESX45F X45F-Klammer für ER FIBC, einpolig
Murr 7000-12381-2330150
Elobau J2A1AAA10B
Mahle PI 0154 MIC,77749799
Spieth MSR 45 1.5
Vahle 168151
Honsberg MR-015GK020-60
Turck RU100-Q30-LUX-H1141 NR1820205
IFM IF503A
OTT-JAKOB 95.103.136.9.2(10-75KN)
LANNY DDM0051D01A01V-V2
Froehlich + Walter GmbH 30200005B
BAUER BG06-31/D06LA4-TF/SP 173B713500(25175699-2)
EGE IGMF 015 GSOP
Spitzenberger coils BV 94072301;spare parts for repair of ESM900(s-nr:A3903 00/0 0307)
heidenhain 12-pin coupling male 8mm ID:291698-04
GISMA 80.06.1S04.3.01.0
heidenhain 332115-05
ZEISS 626103-0300-033
REGO-FIX HSK-A 63 / PG 32 x 100
hydac HEX S615-50-00/G1"
MP Filtri STR1001SG1M90P01
B-COMMAND LAM006
heidenhain ID:309778-15
Turck BI2-EH6.5K-AP6X 5M S-NR: 4612205
ETL (400 A) 202343
PERMA 104863
wampfler 88714 ,081509-01215
Staubli REA12.6002.1620AU
Phoenix RCK-TGUM/BL16+3/ 5,0PUR-U - 1684056
ROSS Y1523C5012 NPT3/4
SIEMENS 6AG1322-1BH01-2AA0
Gemue 554 15D 99510 2061
TDK-Lambda GEN-150-5
HASBERG 12.7mm*5m*0.03mm Stainless steel gasket
Phoenix EMG 17-REL/KSR- 24/21-21-LC AU - 2941439
CLOOS 43520100
BEFELD-SYSTEME GmbH üSW 2.2 - 90mV
IBS-Huhne GmbH IBSPW110
EA CEAG33222315/15
Staubli RBE11. 6152
MENZEL MS MV 3/2-A
SCHMERSAL AZ/AZM 415-B3
Hawe G 3-1 R-A 24
Rexroth R412006251
FLUID-TEAM ZEPDR3-06-210-1-24V
heidenhain Kupplung ID:291698-33
STM DLM60-P-0:1M
S&P HXTR/4-560-A 5700388300
Eurogi EAGS1024\230-400 Nr.11E002231
Tiefenbach IKX177L212 L=5M
GUTEKUNST D-153
ODU 252.061.001.037.000
SCHNEIDER LXM32MU45M2
Sommer repair kits for GH6460-B
ARBURG 242131
Vahle P-DR-55,5mμH-072A+V NO.0915127/01-3
Vahle KDS2/40 168073
KAMAT 1060396
Turck BS4151-0/13.5
lika AM5812/4096-PB-10
hydac S307NBR,366724
BRISTOL 396352-03-0
Warmbier 3110.85
Hawe GR 2-3-G24
Murrelektronik 7000-29281-0000000
Hoentzsch TA10-165GE 140/p16 ZG2b,V_TA10_2B_60
Duerr 5M7071002
heidenhain 658492-02
Rexroth R404000355 581-417-110/ATEX COIL/SUBBASE
SCHUNK PZV 64 NO.0304000
GSR A7240/1002/.012 , AC220V
FSH 5055E15500R T19OA(2kg)
moog D661-4697C
ATOS DPZO-A-273-L5/18
Mahle PI 1005 MIC 25
SCHUNK MPG32 340011
FSG UZE-884-Z
PMA RL40-111-00000-U00
TEAFLEX TEAFLEX PG21 6X6,5MM GPR21M06065
SIEMENS 6AG1313-5BG04-7AB0
MP pico, -1…0 bar+M8-Kabel
WETRON TBU 5.21 V2-R1-I1
D+P Typ: KA-2 Artikel-Nr. DP-K-003-000018
PILZ PNOZ 10 24VDC 6n/o 4n/c Nr.774009
Rexroth(MECMAN) 5814111300
ATOS JPG-211/210/V
Rexroth 4WRZ 25 E325-7X/6EG24N9ETK4/D3M R900979510
Caspar Gleitlager GmbH CA-871,PAF 30160 P10
BANSBACH A1N2Z-3-098-226-001/850N
BUSCK 83041002 ME100LA-4 2,2KW 230/400V B5
Rauh RHD 28 L
Hasco Z 48710/ 4x15
PFEIFFER TPR 280, Active Pirani Transmitter DN 16 ISO-KF, 80°C
Verder VA15DP AC BN BN TB OO NO.810.6762
walker A55TH
Phoenix MCR-C-UI-UI-DCI
Eisele 99118-1410k(white)
VISHAY WST-3
IFM E43230
heidenhain for LS4xx ID:266051-03
Euchner MGB-A-MOUNTINGPLATE-L-109490 09490
SCHUNK 0371099 PGN+50-1
Walther sp-009-1-wr521-21
WENGLOR LD86PCV3
GJC 5025000 calibrated at 1.0 ml/min
TUCKER M108 976
Leuze MA 8-01
haacon 200145
Ci DAL2-12D3
ATR UE6
Phoenix PSR-SPP- 24DC/URD3/4X1/2X2 - 2981525
B&R Industrie-Elektronik GmbH 8AC120.60-1
Avdel 07271-01100
EMHART M066 909
DEUBLIN 1005-020-045
MP FILTRI D GMBH HP-065-1-A10-A-N-P01
Eltex 100292
hydac VM 2 C.0 311645
heidenhain 3M cable Nr.310128-03
APEX 965004
Turck NI 15-S30-AP6X
FLUITEN TB 040004371
maxon 240176+110453
JWFROEHLICH C820-6 Nr.100075
heidenhain LC 483 ID:557649-07
KRACHT KP1/8F10AK002KL2
Gessmann V64LPM-03Z-03Z-A110
Turck FCS-G1/2A4-NA
Mankenberg GmbH EB1.32 0-16Bar
BAUMUELLER GDM120N-44U1802 0528/0750X1 K P Standard 00399346
leine&linde 464.33.3232
HASBERG 0.04*50*300MM
◆ 交變性與對(duì)稱性:由于旋轉(zhuǎn)磁場(chǎng)極性相間,使得感應(yīng)電勢(shì)的極變;由于電樞繞組的對(duì)稱性,保證了感應(yīng)電勢(shì)的三相對(duì)稱性。
運(yùn)行方式
◆同步電機(jī)的主要運(yùn)行方式有三種,即作為發(fā)電機(jī)、電動(dòng)機(jī)和補(bǔ)償機(jī)運(yùn)行。 作為發(fā)電機(jī)運(yùn)行是同步電機(jī)zui主要的運(yùn)行方式,作為電動(dòng)機(jī)運(yùn)行是同步電機(jī)的另一種重要的運(yùn)行方式。同步電動(dòng)機(jī)的功率因數(shù)可以調(diào)節(jié),在不要求調(diào)速的場(chǎng)合,應(yīng)用大型同步電動(dòng)機(jī)可以提高運(yùn)行效率。近年來,小型同步電動(dòng)機(jī)在變頻調(diào)速系統(tǒng)中開始得到較多地應(yīng)用。 同步電機(jī)還可以接于電網(wǎng)作為同步補(bǔ)償機(jī)。這時(shí)電機(jī)不帶任何機(jī)械負(fù)載,靠調(diào)節(jié)轉(zhuǎn)子中的勵(lì)磁電流向電網(wǎng)發(fā)出所需的感性或者容性無功功率,以達(dá)到改善電網(wǎng)功率因數(shù)或者調(diào)節(jié)電網(wǎng)電壓的目的。
同步發(fā)電機(jī)和其它類型的旋轉(zhuǎn)電機(jī)一樣,由固定的定子和可旋轉(zhuǎn)的轉(zhuǎn)子兩大部分組成。一般分為轉(zhuǎn)場(chǎng)式同步電機(jī)和轉(zhuǎn)樞式同步電機(jī)。
zui常用的是轉(zhuǎn)場(chǎng)式同步發(fā)電機(jī),其定子鐵心的內(nèi)圓均勻散布著定子槽,槽內(nèi)嵌放著按規(guī)律排列的三相對(duì)稱繞組。這種同步電機(jī)的定子又稱為電樞,定子鐵心和繞組又稱為電樞鐵心和電樞繞組。
轉(zhuǎn)子鐵心上裝有制成必定形狀的成對(duì)磁極,磁極上繞有勵(lì)磁繞組,通以直流電流時(shí),將會(huì)在電機(jī)的氣隙中形成極性相間的散布磁場(chǎng),稱為勵(lì)磁磁場(chǎng)(也稱主磁場(chǎng)、轉(zhuǎn)子磁場(chǎng))。
原動(dòng)機(jī)拖動(dòng)轉(zhuǎn)子旋轉(zhuǎn)(給電機(jī)輸入機(jī)械能),極性相間的勵(lì)磁磁場(chǎng)隨軸一起旋轉(zhuǎn)并順次切割定子各相繞組(相當(dāng)于繞組的導(dǎo)體反向切割勵(lì)磁磁場(chǎng))。
Fibro 2081.44.032.10
Luedecke ESI 12 NIS
E+L 309607
QUINN quinn pc clear, D469,Thicknesses 5mm 47 X 32 cm (10PCS)
hydac ETS388-5-150-000
norelem 21550-201002
Bucher QX42-025R
KSR Kuebler KR 24-EX 24V
ASM PRMAG20
BUHL 05-SA25P02-03
Rexroth 3610507300
PMA KS50-102-0000E-000
ACE GS-70-700-EE-13000N-K26087
R+W Bk 3/60/66 26H7/26H7
THIEDE pol.Vorverkabelung;NR.9-4141.1
Barksdale D2T-M80SS-PAS Art.Nr.: 0401-627
BALLUFF BTL5-P1-M1600-B-KA15 ;NR.BTL00FF
heidenhain ERN1331 1024 Nr.735117-52
HARTING 09 21 007 3131
EA DM3405041-01/16-G
Datalogic SG4-RB2L-050-OO-W
Phoenix 2903263
SMW SIN-S-100-LPS-X-2-Medium Id.-Nr. 044697
Staubli KES01.9100 DICHTRING FUER AUSSENGEWINDE
AGATHON 6571.032.140
Gemue 815 32D 72114 163 2500
hydac 0060 D 010 BN4HC 1250487
Rexroth 1824484064
heidenhain 376886-0M
Hellermann 167-00525
Helmholz 700-884-MPI21
anybus AB7002-B
Lumberg Lumberg RKMV 3-224/2 M
Gelbau 3031.1306B
Schmidt DX2-2000
aep CCBS 822T55
BOSCH 0 580 464 125
Staubli RBE06.1906/FB
HECO Filte r tube Micro-line 1050 Std. 3, 400μm
LUTZE LOCC Box Einspeiseset 040 716425,DC 12/24 V
microsonic mic+35/DD/TC
Murrelektronik GmbH 7000-41421-0000000
SCHMERSAL 101006545 EF033.2
Busch Typ RB 0006 E,Artikel-Nr.1112 104 525
SIEMENS pos.01/001 1LP4186-4CA91-Z A12+B02+C07+G80+J25+J26+J27+J28
Boll & Kirch 5007512
REVO Crane Process Flow Technologies GmbH RD7006005000000
Hymmen Industrieanlagen GmbH 2495-0007-16
KURIS NOVITA-SUPER Art.-Nr.33294
TIMMER 79010156
heidenhain 5m cable Nr.323897-05
HYPERTAC 035.137.1000
Turck BL67-B-8M8
PILZ PNOZ X7 24VACDC 2n/o 774059
LTA 420613
WAECHTER EMG30SP 4K7
SALTUS 4027130816
SED 024.85.001
HASBERG _0.10mm-12.7-5M
SICK 1037395, SRS50-HZA0-S21
ganter 226-KT-80-M16
MBS 221UE-M1L2220
Axmann SAP-Nr.: 1815
Dieter Kriz Sensortechnik IN5-18HTPS
Rexroth 820055051
Phoenix SAC-4P- 3,0-PUR/M12FR-3L - 1668292
Hasco Z81/9/R1/4
Flaig + Hommel E197A
Stenflex Art Nr:00001139-00
Debnar BIM/I I/P:AC 0-1A O/P:DC4-20mA
HASBERG 0.5*50*300 Nr.0524
RAFI GmbH & Co. KG 1.14001.503/0000
ETA ESX10-TB-101-DC24V-2A
trumpf old type:915755;new type:1654928
CEAG GHG 411 8180 R
AEG Modell:AM 80Z CA 4 (B5 flange mounted )1.1KW
IFM SM6000
E+L 326498
heidenhain LC 483 270 ID:557649-05
Schmidt DTMB-50K-L-V1
GMC KINAX WT707 -212DB140
IFM LK1023
WIKA D-10-7 Nr 7165159
Baruffaldi NS.COD. 24.0120.308.01
Gemue 807R40D 72114 169 5000
Control Techniques GmbH KDD22,5
HOMMEL 231291
KSB Luefterrad 140 DIA 1.4301
Rexroth FESE 40 CA-3X/670LK0G1M;R900701432
Proxitron IKU 008T.28 GS4 (2408D)
norelem 03188-20
heidenhain 9-pin connector male 6mm Nr.291697-04
Aerzener GM 150S/220L(154902000+154987000)
Murrelektronik 7000-12041-6350200
Fibro 2061.82.032.105
VEM IE2-WE1R 90 S 4 0771956001809H
HOFER Hochdrucktechnik 036-00009
ATR VM237
HOERBIGER KL3333
Honsberg FW1-015GM006
KELMER GROUP:7611A08(501A17/3/1A/2/07 24VDC 0.4A+A1001002)
Honeywell HS10S-11/2AA
ATOS RZMO-TERS-PS-030/100/I
Moflash AE20M-24
B&R Industrie-Elektronik GmbH 7cp476.60-1
Phoenix SAC-3P- 3,0-PUR/M 8FR Nr.1669741
MD MS2/00-1H
Rexroth Z2S6-1-64 Nr.R900347495
Rexroth CO1-FORM_A-024DC-4,4W-30MM 1824210223
heidenhain ID:329989-10
halder 22060.011
heidenhain 9-hole coupling ID:291698-01
micronext Angle measurement device without any module 04090-A
SCHUNK MMS 22-S-M8-PNP Nr.0301032
parker RHZ42LREDOMDCF
merkle HZ160.40/20/250.02.204
AREVA T&D 6915235411
EMHART M153 504/03/25
Contrinex DW-AS-623-C8-001
Multi-Contact 01.0474 EBB8-V0
motrona DZ210
pizzato FS 3098D024
sunfab SC-047-R
Bucher DWPBU-2-10-SN15-1
JAQUET FTG 1087.00 AH L140 374Z-04108
Klaschka HAD-11ms60b2.5-50Z1
SIEMENS 6AG1231-4HD32-4XB0
STUCCHI STUCCHI-F-VP21 1-1/4 BSP
Reichelt PATCH-C6 10 GR
Phoenix SAC-5P-M12MS/ 4,0-920/M12FS nr:1514472
Megatron RP 20/7168 R1K 2X1K W3%
FSG 1700Z04-257.008
hydac KFZP-1+2/2.3/P/71/ 8(PTFE)
PILZ 774009,PNOZ 10 24VDC 6n/o 4n/c
lika LKM832
Contrinex LLK-1180-000 620-200-541
Phoenix SACB-10/3-L- 5,0PUR-M8 Nr.1516072
systec DF25 .
PEI NR.36136253
Elobau J3A1AA0S01
BIELER+LANG Typ : 8022
SIEMENS US2:2020176-001
CEAG GHG 511 4506 R 0001
Settima GR38-2C-028cc-F2AC4-Q-DX
Ringspann 4457-901101-000000
heidenhain 520010-01
heidenhain Ident-Nr. 310127-03
COEM Z2FS6-30B/SV
heidenhain 658492-01
ganter 115-SG-14-NI
Meister RVO/U-4/2 G 1/4" 01XM4002XG08S
ganter 543.3-23-G1
D+P SESL 06-60 DP-S-002-000013
Graff Article:122969; Details:HLP 12,5X153/140 800W 230V G500EA90
heidenhain CS200 ID:324391-01
Balluff GmbH BTL5-E17-M0300-K-K02
Multi-Contact 30.0018
heidenhain RON 285C ID:358699-01
Reichelt PATCH-C6 10 GR
Murr 56001
GUTEKUNST D-145DC
Hawe RB 3
GEFRAN 800-DRRI-07321-000
Plymoth P-541
Lumberg SV50/6
Nexen TSE-800,P/N:822496
ganter 736-62-B10-D
STRACK Z7600-4 NR.162688
Staubli MPX06.7101/JV
Rexroth DBE6-2X/315G24K4M;R901304396
KTR 203 60x90
Kiepe PRS 001
heidenhain 560175-10
heidenhain EQN 425 512 ID:631713-01
Warmbier SRM 110
MICHAEL RIEDEL DRUL50000UL-CSA ,50kVA IP00 3AC480V//3AC380V Schaltgruppe Yyn
PULSOTRONIC KJ4-G8-MB35-X0303,Nr.:9912-0010
SAUTER 118574
Rexroth HMV01.1E-W0120-A-07-NNNN
SMW 28971
YASKAWA SGMGH-75DCA6H-OY
DIATEST SH-BMD-30-6 NR:1140709
Turck RSM-RKC572-2M NR6602079
Cromwell SSF9609200K
WIKA WIKA-Digitalanzeige DI 15 48X24X65 mm
IBS wgmu36\kontakt
Froehlich + Walter GmbH 30200004
Kerb-Konus Art.-Nr. 620 000 100.000, M10
Rexroth 822010612
MBS ASK 31.4 Art-Nr.: 8053
VOLLMER 429667
FLEXBALL 16038403-01790CABLE 160 I G=1500 S=200
SCHROFF 13105023
wago 750-337
V&B Option Temperaturkompensation uber PT100
幾種基本類型的開關(guān)電源
顧名思義,開關(guān)電源就是利用電子開關(guān)器件(如晶體管、場(chǎng)效應(yīng)管、可控硅閘流管等),通過控制電路,使電子開關(guān)器件不停地“接通”和“關(guān)斷”,讓電子開關(guān)器件對(duì)輸入電壓進(jìn)行脈沖調(diào)制,從而實(shí)現(xiàn)DC/AC、DC/DC電壓變換,以及輸出電壓可調(diào)和自動(dòng)穩(wěn)壓。
開關(guān)電源一般有三種工作模式:頻率、脈沖寬度固定模式,頻率固定、脈沖寬度可變模式,頻率、脈沖寬度可變模式。前一種工作模式多用于DC/AC逆變電源,或DC/DC電壓變換;后兩種工作模式多用于開關(guān)穩(wěn)壓電源。另外,開關(guān)電源輸出電壓也有三種工作方式:直接輸出電壓方式、平均值輸出電壓方式、幅值輸出電壓方式。同樣,前一種工作方式多用于DC/AC逆變電源,或DC/DC電壓變換;后兩種工作方式多用于開關(guān)穩(wěn)壓電源。
根據(jù)開關(guān)器件在電路中連接的方式,目前比較廣泛使用的開關(guān)電源,大體上可分為:串聯(lián)式開關(guān)電源、并聯(lián)式開關(guān)電源、變壓器式開關(guān)電源等三大類。其中,變壓器式開關(guān)電源(后面簡稱變壓器開關(guān)電源)還可以進(jìn)一步分成:推挽式、半橋式、全橋式等多種;根據(jù)變壓器的激勵(lì)和輸出電壓的相位,又可以分成:正激式、反激式、單激式和雙激式等多種;如果從用途上來分,還可以分成更多種類。
下面我們先對(duì)串聯(lián)式、并聯(lián)式、變壓器式等三種zui基本的開關(guān)電源工作原理進(jìn)行簡單介紹,其它種類的開關(guān)電源也將逐步進(jìn)行詳細(xì)分析。
串聯(lián)式開關(guān)電源
串聯(lián)式開關(guān)電源的工作原理
parker RG2HMF0281
KSR Kuebler 1 / Magnetic float level switch KP-90922/1
IFK-ISOFLUOR Art. Nr. B210040010010B050M
pizzato FA4101-3DN
GM Europe gmbh GM#90210331 1 04 477
heidenhain LS 477 220 5,0 R35 R35 09A 4ZS14,ID-Nr.605379-21
Hawe EV22K2-12/24
B&R 7AC911.9
parker D1SE30BNJW
Vulkoprin Deutschland GmbH & Co. KG VK.SP 200/70/100H7X25,8/85H7
keystone AVI Position Monilor Type CR
Knoll TG40-55/30533
Walther-Werke 125A 5P 400V 6h IP67 579
CARLSTAHL DIN 580-M42-C15E
J&E 4000867276
MICHAEL RIEDEL DRUL50000UL-CSA 50kVA IP00 3AC480V//3AC380V Schaltgruppe Yyn
GUTEKUNST X130-12L
heidenhain LS 187C 940; 526974-09
BERNSTEIN 608.3153.009 I-SU1Z W
Lenord+Bauer GEL 2432T-1BC600
parker C040AA12N10
Phoenix ID:1681651
hydac 0400 DN 025 BN4HC 1265322
hydromec P050FB03CORB3
Rexroth R900939990 Z4WE 6 E68-31/EG24K4
ATOS E-MI-AC-01F 20/2
Murr 85625
Procentec NR.30021
ATOS DLOH-3A-U-X24DC
Turck FCS-GL1/2A4-AP8X-H1141 6870204
Rexroth 0811109137 ZDBY6DA2-1X/315V/60
microsonic MIC+25/DD/TC
VESTA NSKU-80-30
Weinreich NPY-2051.0105 0.37KW
B&R Industrie-Elektronik GmbH 8AC122.60-3
Emotron VFX48-03754CEB-AAVNNNNAN-LP-C
Beckhoff Automation GmbH EL3102
Buschjost gmbH 8240500.9101.02400
Hawe R 0,36-0,36 A
GESTRA EIN-Elektrodenger?t,NRS 1-50
SIEMENS 6AG1334-0KE00-7AB0
ATOS QVHZO-A-06/45/18
BALLUFF BNS01R5; BNS 819-B02-R08-40-11
foerster PK 80/10/115 6.782.03-6732
Rexroth 4WREE 6 W16-2X/G24K31/A1V R900925657V
SMW LR255213 Id.-Nr. 084766
Mecatraction DE 150-12
Block USTE 1000/2X115
B&R Industrie-Elektronik GmbH 8BVI0014HCD0.000-1
ODU 656.610.008.020. 104
ATOS DKZOR-AE-171-L5/I
EMHART Type:E503B
ATB 496127;two Cover of 6004258
Klaschka ISS3U/a10aa/ba/ae-1.62-24VDC
Turck BL67-2RFID-A 6827225
Contrinex DW-AS-503-M8
socla 601 DN25 149B2506
hydac 2600 R 003 BN4HC/-B6
Salzer MDH4-20A01.
ATOS E-ME-AC-05F/4R-4
VMC S.p.A 510.0600 V01 REG.ASP. R90E/V 24V
Hoffmann 724830/160mm
KRAUS+NAIMER KG250 T103/05 E
Rose+Krieger GF12
AMOT SERIAL NO: E00120984-2
SICK 1066234 DFS20A-A2AAD001024
MAVI MAVI.MVTBI-E8AI
Mahr 6851855
norelem NLM 03184-25
parker PGP511A0270CA1H2NL2L2B1B1 NR 3349111576
JUMO Teile-Nr.: 00564208, 701150/8-01-0253-2001-25/005,058
heidenhain ROD 436 2048 ID:376837-02
BD sensor DMP 331P-500-1602-1-3-100-K31-1-0-2-200
SMW 25457
KTR RotexGS14 6.0
Stinis Holland 2611-0085-0510
Sommer GK25N-B
Fibro 223.3.0120.080
PMA KS45-113-22000-000
Kendrion Binder Magnete (U.K) Ltd 7324113E00400
PILZ PSS SB ROUTER1 Nr.311055
hydac LFN W/HC 40 I B 25 Y 2.0 1302827
SIEMENS 6SL3353-1AE35-5AA0
NOXON Automation GmbH 309057 NMS75HU-10/1-90L/4 1.5kW Gear box with motor. 24V KEB
keystone 791N230AND1MNN0
Murr 6652501
Bucher QXV41-050R
ATLANTA 6546928
Fuchs TKFEU51
Turck CF-M-6-G1/4-A4 Nr.9910483
ARGO HYTOS RPE3-062A51/02400E1S1
wago 750-467/006-000
SCHMERSAL AZ/AZM 200-B30-LTAG1P20
Phoenix RC-Z2406 Nr.1607015
Dopag C-25-01-015
elbe 0.113.100.0001 S=700mm,X=60mm
FANAL FF4-4 DAH
Rexroth R901252630 ZDRE 6 VP2-1X/210MG24N9K4M
ARON REM.D.RA.X01 G
BOEHLER UTP665 D2.5 (99kg)
Cosmotec TB350002200W00
Dr.Breit GmbH ART.-NR.: 403006008
Sommer GULG26300
HASBERG 0.05*100*5M-S Nr.0607
Polytec F-145C2
WIS FB 20-65
Phoenix PLC-OSC- 24DC/ 24DC/ 5/ACT - 2982786
heidenhain 526974-12
Hagglunds SPDB1-1000;R939003937
PMA RL40-110-45100-000
Euchner CET-A-BWK-50X 096327
ATOS PFG-214D-RO
Bucher WUVPZ-1NCO-10-1 24DC
TUCKER M152 937
Murrelektronik 56651
Murr 4000-69000-1000000
hydac EDS3446-3-0250-000
Walther LP-019-2-WR026-11-1
norelem 08910-B0610X10
STUCCHI Schraubmuffe VP21P 1 1/4"BSP,11425-V-B
Rexroth MSK071D-0300-NN-M1-UG1-NNNN R911310168
KUKA Roboter GmbH 0000228327 Option SEMD Justage Set für KR C2
Phoenix HC-B 24-ESTS - 1771749
FEAS PSLC242 order number: 58027
LEONI F07382-00-01 1x35,0 gegn/sw
SCHUNK MMS 22-S-M8-PNP NO. 0301032
Murrelektronik GmbH 3124048
Marchel GmbH 2014040,Typ 401001 O-Ring
Euchner TZ-C 057737
allweiler WELLE VG 470 NTT-U5A
MICHAEL RIEDEL RSTN500UL-CSA 0,5KVA AC480//220V 50/60HZ
SIEMENS 6SD2180-0AA0
ALFRED SCHUETZE MKDDOBO99RA1
Lumberg VAD 1A-1-3-M12-5,12141
WIN Digital-Car-Spotter-5500
SCHNEIDER 140ACI03000
BDC ALS10/4609AKS-B
Mankenberg EB1.32 0-16Bar Art.-Nr.: 7146002T
CEAG 10355;GHG 511 7406 R 0001
Bonfiglioli BMD82-3,2-1600-400 100 14
ROTEX Zahnkranz für Rotex Gr.48-92 Shore A-orange
TRACO TXM150-112
NK-Elektronik DOtech-LIN26-ESD Schutz
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