Induction motor vibrations
Induction motor vibrations
... [3] Motors and Generators, NEMA MG 1-1993 [4] Motors and Generators, NEMA MG 1-1987 [5] Form-Wound Squirrel Cage Induction Motors, API RP 541, 1972 [6] Form-Wound Squirrel-Cage Induction Motors—250 ... after heat run Special purpose motor: Driving unspared equipment in critical service, motor rated over 1,000 hp, motors driving high inertia loads, vertical motors, motors requiring vibr...
Tài liệu tiếng anh Điện tử công suất mạch MERS Improved performance of induction motor using magnetic energy recovery switch
... Equivalent circuits of series compensated induction motor for system frequency and self-excited frequency Oscillating current waveforms because of self-excitation of induction motor by MERS with open ... SELF-EXCITATION OF SERIES COMPENSATED INDUCTION MOTOR It is well known that series compensation of induction motor may cause some unstable situations[6] Since MER...
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... 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...
SINUSOIDAL PWM OPERATION OF AN AC INDUCTION MOTOR CONTROLLER
... of these appliances run on single-phase ac induction motors less than ½ horsepower And most of those motors lack a proper motor controller in order to run the motor more efficiently Motors can ... the purpose of this paper is to describe an ac motor controller that can be applied to existing single-phase ac induction motor appliances, and to demonstrate sinusoid...
SIMULATION AND SPEED CONTROL OF INDUCTION MOTOR DRIVES
... P a g e Simulation and Speed Control of Induction Motor Drives 2012 CHAPTER ANALYSIS OF VARIOUS METHODS FOR SPEED CONTROL OF IM The various methods of speed control of 3- Induction motor are ... Simulation and Speed Control of Induction Motor Drives 2012 Figure 3.13: Torque -Speed Characteristics for machine parameters as in Fig 3.8 13 | P...
Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc
... signals are compared with the output of a single UP/DOWN counter and processed through a logic block to generate the PWM outputs for for for for for (5) for for for for for for for for for for ... -phase P states and performed with the and signals only Similar operations are signals of all the phases and all the The drive performance was evaluated in detail by simulati...
Tài liệu AC Induction Motor Fundamentals docx
... OF AC INDUCTION MOTORS Generally, induction motors are categorized based on the number of stator windings They are: • Single-phase induction motor • Three-phase induction motor Single-Phase Induction ... Winding Single-Phase AC Induction Motor with Start Mechanism DS00887A-page AN887 Split-Phase AC Induction Motor The split-phase motor is also known as an induct...
Chapter 13 induction motor drives
... ωe (13. 2-11) e e iqs2 + ids2 (13. 2-12) where Is = Equating (13. 2-7) and (13. 2-11) and solving for ωe yields ωe = e* e * * ω r + ω r + 3P(vqs iqs − 2rs I s2 ) / K tv (13. 2 -13) 508 Induction Motor ... Re(Vas ) (13. 3 -13) Using the induction motor equivalent circuit model, it is possible to expand (13. 3 -13) to Pin = 3rs I s2 + 3I s2ω e L2 ω srr′ M rr′ + (ω s Lrr )2 ′ (13. 3-14)...
Direct control methods for matrix converter and induction motor
... Mains Start controller V CONCLUSION Modern direct control methods for matrix converters are presented The basic ideas of DTC, sliding mode control and DCC for matrix converter and induction machine ... are omitted here and can be found in [11] C Direct Current Control (DCC) In [15] and [6] a DCC method for matrix converters is presented It is based on the a...
ADAPTIVE FAULT DETECTION AND CONDITION MONITORING OF INDUCTION MOTOR
... ADAPTIVE FAULT DETECTION AND CONDITION MONITORING OF INDUCTION MOTOR LU WENJING (B.ENG NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND COMPUTER ... for fault detection under various operating conditions because of the dependency of motor fault feature on the operating condition Most of the papers limit thei...
Phân tích tình hình sử dụng vốn kinh doanh tại Honda Motor.doc
... thấy tình hình hiệu sử dụng tài sản công ty ngày kém, để có đươc kết luận xác tình hình sử dụng vốn kinh doanh cần phải dựa vào số liệu chi tiết để phân tích sâu tình hình sử dụng vốn kinh doanh ... tín doanh nghiệp thương trường Nhận thức vai trò quan trọng vốn doanh nghiệp sử dụng vốn tiết kiệm, có hiệu tìm cách nâng cao hiệu sử dụng...
CEO của GM :GM motor
... dụng: Đầu tiên, GM có nhiều dòng xe, tất xếp hàng để nói “đến lượt tôi” Đến lượt xe Oldsmobile cần thay đổi, cho dù Oldsmobile gặp khó khăn GM giải khó khăn đó, cuối họ từ bỏ Thứ hai, GM bận tâm đến ... mặc dù trớ trêu thay GM cố gắng xóa bỏ liên quan đến mẫu xe Oldsmonile vấn đề hình ảnh Loại xe Aurora thất bại việc tạo nên thương hiệu kế thừa, đơn giản xe tốt Nếu GM chuyển đầu tư...
Một số biện pháp phát triển thị trường tiêu thụ sản phẩm tại Công ty TNHH YAMAHA MOTOR Việt Nam.doc
... tế Việt Nam, từ đặc thù riêng biện pháp giữ vững tiếp tục phát triển thị trường tiêu thụ xe máy Công ty YAMAHA, xin mạnh dạn lựa chọn đề tài: Một số biện pháp phát triển thị trường tiêu thụ sản ... GIẢI PHÁP PHÁT TRIỂN THỊ TRƯỜMG TIÊU THỤ SẢN PHẨM TẠI CÔNG TY YAMAHA MOTOR VIỆT NAM 3.1 Định hướng phát triển Công ty YAMAHA năm tới: Với...
Từ khóa:
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