Topic 1 three phase induction motors

... processes and variables are modelled mathematically Furthermore, the MATLAB program can convert a MATLAB design into a C-code design in a relatively straightforward manner Hence, this stage of the ... two-phase currents to generate a means of instantaneously controlling the torque and flux Field-orientated controllers require control of both magnitude and phase of...

Ngày tải lên: 27/10/2013, 23:15

... PWM2 PWM3 2 Run/Stop PIC16F7X7 Optoisolators SD HIN1 HIN2 HIN3 HOut1 IGBTH1 HOut2 IGBTH2 HOut3 IGBTH3 LOut1 IGBTL1 LOut2 IGBTL2 IGBT Drivers LOut3 3- Phase Induction Motor 3- Phase IGBTL3 Inverter ... development of their own applications VF control provides a simple and cost efficient method for open-loop speed control of 3- phase induction motors A low-cost VF s...

Ngày tải lên: 11/01/2016, 14:35

... Three- Phase Connections Three- Phase STAR Connection Three- Phase Connections: STAR 20/02/17 Nathan Condie Three- Phase Connections: STAR  Formed by connecting the three similar ends ... Condie 11 UEENEEG002B Solve problems in single and three- phase low voltage circuits Topic 6: Three- Phase DELTA Connections Three- Phase Connections: DELTA  Fo...

Ngày tải lên: 20/02/2017, 12:54

... Three- Phase, Four- Wire Systems     A three- phase, four- wire system consists of three ACTIVE conductors plus a NEUTRAL conductor (note: ... 20/02/17 Nathan Condie Neutral Current Exercises  20/02/17 Complete the exercises on three- phase, four- wire systems (calculating neutral current) Nathan Condie Neutral Current Exercise  Exercise ... IN 5) Phase angle ØN...

Ngày tải lên: 20/02/2017, 13:04

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Ngày tải lên: 08/11/2013, 01:15

... SIMOSTEP 1FL3061 10 Nm 4.1 A SIMOSTEP 1FL3062 15 Nm 4.8 A Figure 1-1 Reference literature Order number 1FL3041-0AC310BG0 1FL3042-0AC310BG0 1FL30 43- 0AC310BG0 1FL3061-0AC310BG0 1FL3062-0AC310BG0 FM-STEPDRIVE ... following 3- phase stepping motors: Table 1-1 SIMOSTEP series stepping motors Motor type Nominal torque Nominal current SIMOSTEP 1FL3041 Nm 1.8 A SIMOSTEP 1FL3042 Nm 2.0 A S...

Ngày tải lên: 21/11/2013, 13:45

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Ngày tải lên: 11/12/2013, 17:15

... of the NA is to interpret the Constitution, the law and decree- laws, to enact decree-law on matters entrusted to it by the NA 4- The Government of the SRV The Government of the SRV is the excutive ... and power to make and to amend laws, to work out a program for making laws and dcree-laws According to the 19 92 Constitution, the Country’s President, the Standing Committees of NA, the N...

Ngày tải lên: 15/12/2013, 09:15

... 1,3,5 0 2,4,6 Table Phase voltage space vectors State Phase voltage space vectors 12/ 3) Vdc / (101) Figure Phase voltage space vectors -(2/3) VdC '(100) Real (001) Table Phase voltage values for ... voltage and the resulting filtered leg and phase voltages are shown in Figs and CONCLUSIONS This section details the step by step development of Matlab/ Simulink model fo...

Ngày tải lên: 24/12/2013, 11:32

... output voltage variation is very limited (5 2%) and both a fast recovery of the rated DC voltage and the accurate input currents tracking are obtained Finally the control has been tested for a reference ... proposed CC- PWM AC/ DC actual power factor PF and can be much smaller than the theoretical one, computed for PF= This behaviour can be recognised in Fig that shows the system...

Ngày tải lên: 03/01/2014, 19:44

... KataokaT 1996, nt -type PWM rectifier with active filtering function" , IEEJ SPC- 96 (107), 11-20 ( in Japanese) KataokaT, Murota 1, Fuse Y, Nakajima D and Nishikata S 1999, A Single -phase Voltage- Type ... forphase v which is given by (11) can also be obtained in the same manner as that explained above for phase U EXPERIMENTAL INVESTIGATION To confirm the operation of...

Ngày tải lên: 03/01/2014, 19:44

... KAZMIERKOWSKI AND MALESANI: CC TECHNIQUES FOR THREE- PHASE VS -PWM CONVERTERS While phase voltages can be controlled independently, phase currents are determined not only by their own phase voltage, ... Novotny and T A Lipo, Vector Control and Dynamics of AC Drives Oxford, U.K.: Clarendon, 1996 [18] S Ogasawara, H Akagi, and A Nabae, A novel PWM scheme of voltage...

Ngày tải lên: 03/01/2014, 19:45