Saturable-Core Reactor (Saturable Reactor) I. Description A saturable reactor in electrical engineering is a special form of inductor where the magnetic core can be deliberately saturated by a direct electric current in a control winding. Once saturated‚ the inductance of the saturable reactor drops dramatically. This decreases inductive reactance and allows increased flow of the AC current. II. Function/Operation Figure 1. This scheme controls the output voltage by varying the impedance
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through a three-step writing process. In Part 2‚ you must write a message based on a case study in the textbook. This assignment supports TCOs 2‚ 4‚ and 6. Part 1: Answer the required three-step process questions. These questions are located in our Doc Sharing tab as "Case Questions-3-Step Process." Part 2: The assigned case study is Case 21: "A Rash of Rashes: Alerting clothing customers to potential skin irritation‚" located in Chapter 9‚ on page 276. Write the announcement‚ as directed in the
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relay on customer’s needs to the company expanding lab technicians adapted the abrasive and tape product line to a variety of applications. DuPont’s newly introduced cellophane with adhesive was the most important experiment‚ it was needed for a moisture- proof tape for an insulation job‚ although unsuccessful came the creationof Scotch Cellulose tape. Through the process of developing its new product line of coated abrasives and pressure sensitive tapes‚ 3M quickly amassed a strong knowledge of material
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I. Lubricants selection and Application A.Viscosity Most important property of any lubricant is viscosity. A common mistake when selecting a grease is to confuse the grease consistency with the base oil viscosity. Because the majority of grease-lubricated applications are element bearings‚ one should consider viscosity selection for those applications. While most would not use an EP 220 gear oil for an oil-lubricated electric motor bearing‚ many people will use a grease containing that same oil
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Retrieved from http://phys.org/news/2013-09-neodymium-magnetic-molecules.html Dingrado‚ L.‚ Gregg‚ K. V.‚ Hainen‚ N.‚ Wistom‚ C.(2002)CHEMISTRY:MATTER AND CHANGE Forschungzentrum Juelich. (2013‚ September 24). Counting on neodymium: Promising candidate for information processing with magnetic molecules.ScienceDaily. Retrieved from http://www.scienedaily.com/releases/2013/09/13092491313.html “Neodymium. “Chemicool Periodic
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Introduction and application areas for MEMS Introduction: The micro mechanical device embedded with electronics/electrical system fabricated through a mix of integrated circuit manufacturing and micro-machining process where material is shaped by etching away micro layers is called Micro Electro Mechanical System (MEMS). The intelligent electronic system part is integrated in the same way of IC device fabrication. The most popular material used for MEMS is Silicon for it’s semiconductor ‚ physical
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Title : WORK INSTRUCTION OF VALVE REPAIR AND REFURBISH FOR BTE 16” CLASS 1500-SF CILIPADI VALVE Prepared by: Reviewed by: Approved by: Reviewed by: (SSB 1) Reviewed by: (SSB 2) Sign: Name: Position/Indicator: Date: Repair and Refurbish of Pipeline Valves 1 Scope This recommended practice (RP)provides guidelines for the repair and refurbish of steel ball‚ check‚ gate‚ and plug valves normally use in pipeline applications
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Q.What is the most appropriate software for calculating in computer? Ans :Microsoft Excel What is meant by ‘LASER’? Ans: Light Amplification by Stimulated Emission of Radiation. A complete Microcomputer system includes ? Ans: Microprocessor‚ memory‚ peripheral equipment. What is Windows? Ans: A personal computer operating system from Microsoft. What is computer networking? Ans: A system in which computers are connected to share information and resources
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-VW VW Ao A1 O Z -VW V= VW+VT N Workpiece Chip VT Cutting tool X Y Ao b=f N VT Absolut velocity a VW = f (x‚ y‚ z) VT = f (x‚ y‚ z) Basic condition of cutting Forces in the material of workpiece and tool makes strain that makes elastic and plastic deformation. (σ1 ) W ≥ (R m ) W (σ1 )T ≤ (σm )T HVT ≈ ( 3 ÷ 5 ) ⋅ HVW Main parameters of cutting procedure V V Vc=Vy Chip Vc=Vy O Z VZ X Y N N VX VX Cutting tool Workpiece
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9 Practical Applications of Journal Bearings 9.1 INTRODUCTION A hydrodynamic journal bearing operates effectively when it has a full fluid film without any contact between the asperities of the journal and bearing surfaces. However‚ under certain operating conditions‚ this bearing has limitations‚ and unique designs are used to extend its application beyond these limits. The first limitation of hydrodynamic bearings is that a certain minimum speed is required to generate a full fluid film of
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