新款E82EV751K4C變頻器可議價
新款E82EV751K4C變頻器可議價
新款E82EV751K4C變頻器可議價
新款E82EV751K4C變頻器參數表
新款E82EV751K4C變頻器說明書
新款E82EV751K4C變頻器接線圖
E82EV751K4C矢量控制變頻調速的做法是將異步電動機在三相坐標係下的定子電流Ia、Ib、Ic、通過三相-二相變換,等效成兩相靜止坐標係下的交流電流Ia1Ib1,再通過按轉子磁場定向旋轉變換,等效成同步旋轉坐標係下的直流電流Im1、It1(Im1相當於直流電動機的勵磁電流;It1相當於與轉矩成正比的電樞電流),然後模倣直流電動機的控制方法,求得直流電動機的控制量,經過相應的坐標反變換,實現對異步電動機的控制。其實質是將交流電動機等效為直流電動機,分別對速度,磁場兩個分量進行獨立控制。
E82EV751K4C通過控制轉子磁鏈,然後分解定子電流而獲得轉矩和磁場兩個分量,經坐標變換,實現正交或解耦控制。矢量控制方法的提出具有劃時代的意義。
E82EV751K4C然而在實際應用中,由於轉子磁鏈難以準確觀測,係統特性受電動機參數的影響較大,且在等效直流電動機控制過程中所用矢量旋轉變換較復雜,使得實際的控制效果難以達到理想分析的結果。
E82EV751K4C The method of vector control variable frequency speed regulation is to convert the stator current Ia, Ib, Ic of the asynchronous motor in the three-phase coordinate system into the AC current Ia1Ib1 in the two-phase stationary coordinate system through three-phase-two-phase transformation, and then through According to the directional rotation transformation of the rotor magnetic field, it is equivalent to the DC current Im1 and It1 in the synchronous rotating coordinate system (Im1 is equivalent to the excitation current of the DC motor; It1 is equivalent to the armature current proportional to the torque), and then simulates the DC motor's The control method is to obtain the control quantity of the DC motor, and then realize the control of the asynchronous motor through the corresponding inverse coordinate transformation. Its essence is to equate an AC motor to a DC motor, and independently control the speed and magnetic field components.
E82EV751K4C By controlling the rotor flux linkage and then decomposing the stator current to obtain the two components of torque and magnetic field, orthogonal or decoupled control is achieved through coordinate transformation. The proposal of vector control method has epoch-making significance.
E82EV751K4C However, in practical applications, since the rotor flux linkage is difficult to accurately observe, the system characteristics are greatly affected by the motor parameters, and the vector rotation transformation used in the equivalent DC motor control process is complex, making it difficult for the actual control effect to achieve the ideal analysis. result.
REF615C-E 1
LXM26DU15M3X 1
BCH2MM1523CF6C 1
Eaton Moeller 158241 13pcs
2711P-T19C22A9P數量1 60197
ACS800-104-0580-7+C126+E205+V991 1
840758-091 12
3TF5222-0XM0 3
3TF5122-0XM0 3
ACS850-04-103A-5+D150+J400
FD17-1003-04-04 2個
FD17-1082-10-04 2個
FD17-1062-04 1個
FD17-1064-04 1個
CJR3-25 0.95A-1.45A 2
ARD2M-25/CPEP+90L 5
CK3-125 AC220V 4
CK3-150 AC220V 3
HD90-C1-RB1 1
HD90-C3-RB1 1
HD90-C2-RB1 1
MEMORY UNIT KIT ZMU-02 1
ACS580MV-07-0037A-100 10
POWER CELL ACS580MV_PEBB_R2 1
HD9MS-A069-0040-40000C 2
ATV1200C-B02.271 2
HD90S-C1-MCB7 1
HD9MS-A069-0030-40000C 2
HD90-S1-VDB3-7.2MΩ 6
HD9MS-A069-0135-40001C 2
HD9MS-A069-0090-40001C 2
HD90S-C3-IOB1 1
HD9MS-A069-0202-400000T07 2
ATV1200C-4.804.076 2
ATV1200C-D1000059 2
6ES7972-4AA02-0XA0 15pcs
6MF1013-0CA10-0AA02
100-DC180 2 面價5026
6ES-5466-3LA11 數量:2
6ES5466-3LA11
PDP22-FBP 3
PDP22-FBP5M
TBUP4B-102-01-0-112
TBUP334-1A20-AB00S1
TBUX2974821
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TBUX2973822
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WSC-3CVSP
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S7550B0C0B6E0A0A
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DSA-MTR-60D
802420-R
801429-SC
801421-4R
57C-404C
57552-4A
IDMT2IDMDAUDFROU
GN3-J594001
ER920-13812
P1-984A-816
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MM-PMC2-40-SC
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MM-PM424-00C
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M131-H60B
AS-C484-065
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557VIC12640
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IC752WTC403
IC3600LSRB1
NX-280HW
A16B-2202-0020
VLT5102PT5C20STR
BAC03014B1K9P6
FX-6120
662RA8H40-120
EY3201-ROHS
USDKTE4824C5YP2
ID15H230-EO
EM4312T
35J484W206
NMFC-03
IPSYS-01
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YTE-102B
SAFT-187-CON
R512H6B1N4NN1N
DCS502B04505121P
3BSE010796R1
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5130-KAA
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1336-B025-EOF-FA2-L3
1326AB-C2E-11-A7
1326AB-B520F-S2K5LS
1326AB-B430E-S2K4L