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single phase silicon controlled rectifier contactor circuit circuit function description 6 3

Single phase fully controlled rectifier

Single phase fully controlled rectifier

Điện - Điện tử

... (10.18) Va3 = 10.25 Volts From equation (10.19) Vb3 = 35 .5 Volts ∴ V03RMS = 26. 1 26 Volts, Z3 = R + (6 2× π×50×50×10 -3 ) = 94.78 ohms L Version EE IIT, Kharagpur 16 ∴ I3RMS = V03RMS = 0.27 56 Amps ... Kharagpur 10 .3 Single phase fully controlled bridge converter Fig 10 .3 (a) shows the circuit diagram of a single phase fully controlled bridge converter It is one of the most popular converter circuits ... be 20 Amps 2 × 230 Assuming continuous conduction v = cos30o = 179 .33 volts π For 20 Amps armature current to flow the back emf will be Eb = Va – IaRa = 179 .33 – 20 × 0.75 = 164 .33 volts E = 0.505...
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Tài liệu THYRISTOR (SCR- SILICON CONTROLLED RECTIFIER) ppt

Tài liệu THYRISTOR (SCR- SILICON CONTROLLED RECTIFIER) ppt

Điện - Điện tử

... 500V P[W] C[ µ F] 0.1 15 0.22 30 0 .33 60 0 .68 100 1.5 150 2.2 120 10 68 25 ≤ 69 0V R[ Ω ] P[W] C[ µ F] 33 40 0 .33 22 70 0.47 22 150 1.0 18 250 1.0 47 70 33 100 33 100 22 30 0 R[ Ω ] P[W] 1.7 TRIAC ... áp (SEMIKRON) ≤ 50A Điện áp nguồn AC ≤ 100A ≤ 200A ≤ 400A ≤ 800A ≤ 1200A ≤ 230 V C[ µ F] 0.22 0 .33 0 .68 10 4.7 47 0.1 33 10 0.22 15 15 0.47 15 25 50 ≤ 400V R[ Ω ] P[W] C[ µ F] 1.5 10 100 2.2 R[ ... trước Bảng B1 .6 Các thông số triac BCR5AS (Mitsubishi ) VDRM ITRMS IFGT,IRGT VDSM 60 0A 5A 30 mA 720V ITSM 50A VGM IGM VTM VFGT,VRGT IFGT,IRGT (dV/dt)crit 10V 2A Max 1,8V Max 1,5V Max 30 mA 5V/ µs...
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SCR (thyristor – silicon controlled rectifier)

SCR (thyristor – silicon controlled rectifier)

Vật lý

... phân cực nghịch (điện anod âm điện catod), có dòng điện rỉ nhỏ chạy qua SCR 3/ 8 SCR (thyristor – silicon controlled rectifier) - Khi SCR phân cực thuận (điện anod dương điện catod), ta nối tắt ... tăng công suất cho tải, người ta cho SCR hoạt động nguồn chỉnh lưu toàn kỳ 6/ 8 SCR (thyristor – silicon controlled rectifier) Vì điện 50Hz có chu kỳ T=1/50=20nS nên thời gian điện xấp xỉ 0V đủ ... SCR (thyristor – silicon controlled rectifier) Nếu ta mắc nguồn điện chiều VAA vào SCR hình sau dòng điện nhỏ IG kích vào...
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BỘ CHỈNH LƯU KÉP 3 PHA THREE - PHASE DUAL CONTROLLED RECTIFIER

BỘ CHỈNH LƯU KÉP 3 PHA THREE - PHASE DUAL CONTROLLED RECTIFIER

Điện - Điện tử - Viễn thông

... D2 100p 22j 63 - C1815 C1815 14 15 16 11 100p 1k 33 k +12V B 104j 1k A1015 8k2 1k 100p 1k 1k 4148 10k 100p 15k DT2 4007 DN7 DN8 1k 1 .6 4148 1k DT5 -12V 2 .3 13 22j 63 TL082 1k5 + 22j 63 33k 4148 - ... 3k3 2k 100k A1015 TP1.1 1k TL082 TP1.2 8k2 15k DN2 1k5 100p 22j 63 100p 1k 14 15 16 11 +12V A 104j 2.1 4148 13 4148 4148 10k 22j 63 DN3 1k 1.4 DT3 100k 1k 3k3 2k 10k 1k 4148 10 CD4528 -12V 22j 63 ... 1k 22j 63 33k 10k 10k 22j 63 TL082 1k5 + 15k - C1815 C1815 1k 4148 DT1 4148 4148 13 100p 10k DN11 4007 DN12 1k 1.2 4148 1k 2.2 +12V -12V VR 2.5 DT4 3k3 2k 10k 1k 1.5 4148 CD4528 -12V 22j 63 33k 1k...
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Single phase uncontrolled rectifier

Single phase uncontrolled rectifier

Thạc sĩ - Cao học

... 1790 μF, R = 50 Ω, ∴ θ = 2. 035 ° From equation 9. 56 Sin θ = cos θ e-(π/2 + φ – θ) tan θ -0. 035 53( 1. 535 3+ϕ ) = 0.9 4 63 16 e Or sin θ = 0.99 937 e From which φ = 65 .33 ° Vi = 9 .33 volts ˆ ∴ vopp = 2Vi (1- ... 164 2 RPM 185 0. 0 63 66 θ Version EE IIT, Kharagpur 35 ⎛ 2Vi ⎞ Average armature current is ⎜ ⎟ R = 4.5 93 Amps ⎝ π ⎠ 4.5 93 ×100 = 30 .62 % of rated torque ∴ Torque = 15 Version EE IIT, Kharagpur 36 ... ⎡β -ϕ 1 ⎤ = 7. 432 ⎢ + sin2(β - θ) - sin2(ϕ - θ) ⎥ = 0.8 564 Amps ⎦ 2π ⎣ RMS Diode current = 9.4 Single phase uncontrolled full wave rectifier Single phase uncontrolled half wave rectifiers suffer...
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Báo cáo y học:

Báo cáo y học: "IMP321 (sLAG-3), an immunopotentiator for T cell responses against a HBsAg antigen in healthy adults: a single blind randomised controlled phase I study" ppt

Báo cáo khoa học

... 0 .3 * 040 29 36 57 85 29 36 57 85 29 36 57 85 29 36 57 85 29 36 57 85 032 0 43 028 29 36 57 85 29 36 57 85 29 36 57 85 024 039 034 29 36 57 85 0 16 29 36 57 85 012 29 36 57 85 29 36 57 85 29 36 ... Vaccines 2007, 5:5 0 .3 0.2 * 040 032 29 36 57 85 0 26 29 36 57 85 29 36 57 85 29 36 57 85 0 23 0 43 29 36 57 85 014 29 36 57 85 008 29 36 57 85 0 03 29 36 57 85 * 29 36 57 85 0.1 29 36 57 85 % of CD8+ ... 85 0.1 29 36 57 85 033 Time point (day) Subject # 0 .3 0.2 * 041 042 29 36 57 85 29 36 57 85 045 0 46 29 36 57 85 038 29 36 57 85 037 29 36 57 85 * 29 36 57 85 * * 29 36 57 85 0.1 29 36 57 85 %...
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Single phase uninterruptible power supply based on z source inverter

Single phase uninterruptible power supply based on z source inverter

Tài liệu khác

... Electron., vol 35 , no 2, pp 295 30 0, May 1988 [15] M J Ryan, W E Brumsickle, and R D Lorenz, “Control topology options for single- phase UPS inverters,” IEEE Trans Ind Appl., vol 33 , no 2, pp 4 93 501, ... 2, pp 33 – 35 , Jun 20 03 [ 13] K Holland, M Shen, and F Z Peng, “Z-source inverter control for traction drive of fuel cell–battery hybrid vehicles,” in Proc 40th Annu Meeting Ind Appl., Oct 2 6, 2005, ... Barreto, “A transformerless single phase on-line UPS with 110V/220V input output voltage,” in Proc 21st Annu IEEE Conf Expo Appl Power Electron., Mar 19– 23, 20 06, pp 34 8 35 4 [9] C.-H Lai and Y.-Y...
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Chapter 9  unbalanced operation and single phase induction machines

Chapter 9 unbalanced operation and single phase induction machines

Điện - Điện tử

... Fdr + = jFqrs+ ′ (9.8 -32 ) = − jF ′ (9.8 -33 ) s dr s dr + s dr − and s dr − F s qr − 36 3 SINGLE- PHASE INDUCTION MACHINES The steady-state torque may be calculated using (9.4 -34 ) if the three multiplier ... Figure 9.5 -3 Stator circuit with provisions for switching ias Open-Circuited Stator Phase For the purpose of analyzing an open-circuited stator phase, which is equivalent to single- phase operation, ... a counterclockwise rotation of 2π /3 rad That is a = e j ( 2π / 3) = − + j 2 (9.2-5) a = e j ( 4π / 3) = − − j 2 (9.2 -6) 33 8 UNBALANCED OPERATION AND SINGLE- PHASE INDUCTION MACHINES The inverse...
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Iron catalytic growth of prism shaped single crystal silicon nanowires by chemical vapor deposition of silane

Iron catalytic growth of prism shaped single crystal silicon nanowires by chemical vapor deposition of silane

Vật lý

... (1998) 1 06 [15] J Hu, T.W Odom, C.M Lieber, Accounts Chem Res 32 (1999) 435 [ 16] R.Q Zhang, Y Lifshitz, S.T Lee, Adv Mater 7–8 (20 03) 63 5 [17] J Zhao, Q.Y Gao, C Gu, Y Yang, Chem Phys Lett 35 8 (2002) ... Mater 13 (2001) 1 238 [11] J.T Hu, O.Y Min, P Yang, C.M Lieber, Nature 39 9 (1999) 48 [12] T Hanrath, B.A Korgel, Adv Mater 15 (20 03) 437 [ 13] R.S Wagner, W.C Ellis, Appl Phys Lett (1 964 ) 89 [14] C.M ... Rao, Chem Phys Lett 38 1 (20 03) 579 [19] P Scheier, B Marson, M Lonfat, W Schneider, K Sattler, Surf Sci 458 (2000) 1 13 [20] Y Ding, P.X Gao, Z.L Wang, J Am Chem Soc 1 26 (2004) 2 066 ...
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Electronic transport properties of single crystal silicon nanowires fabricated using an atomic force microscope

Electronic transport properties of single crystal silicon nanowires fabricated using an atomic force microscope

Vật lý

... [3] H.C Day, D.R Allee, Appl Phys Lett 62 (19 93) 269 1 [4] E.S Snow, P.M Campbell, P.J McMarr, Appl Phys Lett 63 (19 93) 749 [5] P.M Campbell, E.S Snow, P.J McMarr, Appl Phys Lett 66 (1995) 138 8 ... Physica E 13 (2002) 999 – 1002 e Fig AFM micrograph of a side-gated silicon nanowire acting as ÿeld e ect transistor The nanowire was doped at 2×1017 cm 3 thickness is ÿxed by the silicon top ... et al / Physica E 13 (2002) 999 – 1002 e the silicon top-layer, even for ultra-thin silicon layers (thickness as low as –20 nm), and allows to obtain a very sharp interface silicon layer=buried...
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báo cáo hóa học:

báo cáo hóa học:" Stability of SiNX/SiNX double stack antireflection coating for single crystalline silicon solar cells" pdf

Hóa học - Dầu khí

... technique During deposition, Page of 35 30 Reference Cell Voc : 62 5mV FF : 76. 8% Eff : 17.2% 25 20 15 DLAR Cell Voc : 62 6mV FF : 78 .3% Eff : 17.8% 10 0 100 200 30 0 400 500 60 0 700 Voltage(mV) Figure I-V ... factor (%) Efficiency (%) Reference 62 5 35 .7 76. 8 17.2 Double stack 62 6 36 . 3 78 .3 17.8 Voc, open circuit voltage; Jsc, short circuit current density current, as seen in Table Therefore, the cell ... bonding concentration changed from 3. 01 × 10 21 cm -3 to 3. 04 × 10 21 cm -3 , and the N-H bonding concentration changed from 2 .31 × 1021 cm -3 to 3. 41 × 1021 cm -3 after UV exposure There is more...
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Single Phase Motors pptx

Single Phase Motors pptx

Kĩ thuật Viễn thông

... Large number of turns • Aux has relative Small number of turns Φm Starting Torque in Single phase motor Split Phase Principle • To produce a starting torque a rotating magnetic field must be produced ... main windg produce a flux Φ m while the Aux wndg produces a flux Φa Since the angles are out of phase a resultant rotating field is created • A centrifugal switch disconnects the Aux wndg from...
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Single Phase AC Motors pot

Single Phase AC Motors pot

Kĩ thuật Viễn thông

... Operation    A phase motor self starts due to a rotating magnetic field in the windings If a single phase was applied to one winding, it would simply pulse ... inductive reactance causing the current to lag Split Phase Motor  A split phase motor has windings:   Run winding Start winding Split Phase Motor    The two windings cause the current to ...   Similar in effect to the split phase motor Capacitor causes current in start winding to lead voltage Start and Run windings are approximately 90° out of phase Capacitor Start Motor   High...
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Báo cáo nghiên cứu khoa học:

Báo cáo nghiên cứu khoa học: "NUMERICAL MODEL OF SINGLE PHASE TURBULENT FLOWS FOR CALCULATION OF PRESSURE DROP ALONG GAS PIPELINES " doc

Báo cáo khoa học

... No.4 - 20 06 71 10 860 10857 10 860 0.0 130 10858 33 9 10844 0. 769 2 0.0 130 10852 25071 9771 0. 769 2 0.0129 1 038 3 52071 8498 0. 769 2 0.0129 9 869 730 71 735 7 0. 769 2 0.0129 9447 105771 5094 0. 769 2 0.0129 ... Pressure, kPa 10 860 10858 108 53 1 038 2 9 865 9 439 8724 8 538 Panhandle B Coeff Of Compressibility – Z 0.7 733 0. 767 9 0.7479 0. 733 7 0.7422 0.7 534 0. 7 63 0 0.7 530 Friction Coeff 0.00792 0.00792 0.007 93 0.00792 ... Table 3. 2, Table 3. 3, Table 3. 4, (samp 1) (samp 2) (samp 3) Pressure, % diff Pressure, % diff Pressure, % diff kPa kPa kPa Weymouth 64 33 16. 8 4 36 0 38 .1 -(*) Panhandle A 862 8 -11 .6 8 560 -21 .6 8719...
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Nonlinear Microwave Circuit Design phần 6 pps

Nonlinear Microwave Circuit Design phần 6 pps

Điện - Điện tử

... Output 14.4 + 25.9j 42.9 − 2 23. 4j 23. 9 − 130 .4j 10 15 Output 22 .3 + 6. 1j 1 .6 − 4.6j 1 .3 − 7.2j 14.5 + 25.8j 0.5 + 14.8j 2.0 + 26. 8j 32 .6 + 20.5j 3. 4 + 68 .1j 42.9 − 469 .2j Lo1 100 pF 50 Ω l/4 Lo2 ... AMPLIFIERS k3 0.777 0.999 1.442 0.5 56 1.22 2.549 2 .32 8 2.1 06 1 .66 3 1.885 k2 0.5 56 1.442 1.22 0.777 0.777 0.999 0.999 0.9 0.8 0.7 0 .6 0.5 0.4 0 .3 1.22 0.2 0.1 −0.1 −0.2 −0 .3 −0.4 −0.5 −0 .6 0.999 0.777 ... 0.7 0 .6 2.771 0.5 0.4 2.549 0 .3 0.2 2 .32 8 0.1 2.1 06 1.885 −0.1 1 .66 3 −0.2 1.442 −0 .3 1.22 −0.4 −0.5 −0 .6 −0.7 −0.8 −0.9 −1 Figure 4.45 Contour plot of voltage overshoot function β (k2 , k3 ) in...
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Báo cáo y học:

Báo cáo y học: "The effectiveness of ENAR® for the treatment of chronic neck pain in Australian adults: a preliminary single-blind, randomised controlled trial" potx

Báo cáo khoa học

... week follow-up 30 .500 21.500 27 .62 5 26. 500 29 .37 5 3. 001 3. 448 4 .30 3 3. 857 4.511 24.240 14 .30 7 18 .65 0 18.455 19. 965 36 . 760 28 .69 3 36 . 600 34 .545 38 .785 tial VAS scores of at least 67 mm, a 28 mm ... follow-up 18 week follow-up 24 week follow-up 3. 2 43 3 .64 3 3.214 4.500 3. 429 844 887 1.049 869 958 1.4 83 1.7 93 1.0 26 2 .68 8 1. 431 5.0 03 5.4 93 5.402 6. 31 2 5.427 SHAM Initial consultation week follow-up ... week follow-up 24 week follow-up 20.2 86 19.714 21.1 43 26. 571 22.857 3. 208 3 .68 6 4 .60 0 4.1 23 4.8 23 13. 594 12.025 11.548 17.971 12.797 26. 978 27.404 30 . 738 35 .172 32 .917 SHAM Initial consultation week...
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Control of high performance single phase DC AC inverter

Control of high performance single phase DC AC inverter

Tổng hợp

... iii 62 3. 3.1.2 3. 3.2 3. 3 .3 3.4 Evaluation of Learning Gain Effect 65 Simulation Results Using Time Domain Repetitive Control for Inverter 67 3. 3.2.1 Linear ... 58 3. 3 Plug-in Time Domain based Repetitive Control for Inverter 61 3. 3.1 Investigation of Learning Gain Effect on Time Domain Repetitive Controller 3. 3.1.1 62 Stability ... 27 2 .3. 1 .3 Filters and Sensors 28 2 .3. 1.4 Load Systems 30 2 .3. 1.5 THD measurement 30 Software Environment 31 Cascaded...
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CHƯƠNG 2  sillicon controlled rectifier (SCR) và bộ CHỈNH lưu

CHƯƠNG 2 sillicon controlled rectifier (SCR) và bộ CHỈNH lưu

Điện - Điện tử - Viễn thông

... V2 đóng: uV1 = ; uV2 = ; uV3 = u2 – u1 ; uV4 = u3 – u1 ; iV1 = id ; iV2 = id ; iV3 = ; iV4 = ; uV5 = u3 – u1 ; uV6 = u3 –u2 ; iV5 = ; iV6 = ; ud = udA – udK = u1 –u3 ; di d dt ud = R.id + L +E; ... 1, V3, V5 ) điện áp nguồn; áp u dK phụ thuộc góc kích đóng ngóm (V2 ,V4 ,V6 ) Thật vậy, xét nhóm anode (V1, V3, V5), giả sử V1 đóng V3, V5 bò ngắt,ta có: iV1=id ; iV3 =0 ; iV5 = uV1 = ;uV3 = ... hạn chế khả SCR tự kích nhiễu từ (hình II .6) R1 SCR C2 R2 C1 Hình II .6 : Mạch bảo vệ SCR khỏi chế độ kích dẫn không mong muốn µ C2 =0.05 - 0.1 F ; R2 = 33 – 100 Ohm ; R1 tăng áp SCR tăng và/hay...
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SCS (silicon – controlled switch)

SCS (silicon – controlled switch)

Vật lý

... SCS (silicon – controlled switch) Ở ngõ vào thường người ta mắc miếng kim loại, sờ tay vào, SCS dẫn điện Led...
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