PRODUCTS

  • cylindrical-rotor machine是什么意思_cylindrical-rotor

    cylindrical stemmed adj. 圆柱状茎的 machine n. [C] 1.机器;机械 2.计算机 3.汽车;自行车;飞机 4.机构;操纵组织的核心集团 5.机器人似地工作的人;没有感情或意志的人 v. [T] 1.用机器做 2(使用工具) gyro rotor 回转体,陀螺转子 jet rotor n. 喷射旋转翼 多转轴

    Modeling of Saturated Cylindrical-Rotor Synchronous

    2019-5-10 · 2.1 Rotor structure of a cylindrical-rotor synchronous machine 13 2.2 Equivalent permeability model of a cylindrical-rotor synchronous ma-chine 14 2.3 The constant a as a function of /3 and Xmo, Xmdu = 1.8 p.u. 23 2.4 The constant k as a function of 0 and Xmq., XXmdu= 1.8 p . u 24

    (PDF) Multiple-Pole Cylindrical Rotor Synchronous

    2015-4-29 · cylindrical rotor synchronous machine excitation winding," Power Electronics and Applications (EPE), 2013 15th European C onference on,pp.1,10, 2-6 Sept. 2013

    cylindrical-rotor 豆丁网

    2009-3-13 · cylindrical-rotor. SpecialEnglish 2008 Unit Unni ElectricMachines Section SynchronousMachines synchronousmachine ACmachine whose speed under steady-state conditions itsarmature. Polyphase DC excited synchronous machines comprise polyphasearmature winding DCfield winding. synchronousspeed, rotatingmagnetic field created armaturecurrents travels

    Ventilation circuits applied to cylindrical rotor

    2014-6-11 · rotor, comprising the areas between the ribs and the rotor pressing ring. Cross area for the axial air inlet into the rotor lamination core, delimited by the area between the ribs below the inner diameter of the rotor lamination core. Fig. 1: Airflow path in single ended ventilation system of a cylindrical rotor machine.

    armature n p cylindrical non-salient

    2013-11-14 · from the center of the rotor, characterized by concentrated windings, non-uniform air gap, larger rotor diameters, used in applications requiring low machine speed and a large number of machine poles (example hydroelectric generation). 2. Cylindrical rotor the individual rotor poles are produced using a slotted cylindrical rotor

    Difference between Cylindrical and Salient Pole Rotor

    2016-10-31 · Cylindrical rotors are used in high speed electrical machines, usually 1500 RPM to 3000 RPM. Windage loss as well as noise is less as compared to salient pole rotors. Their construction is robust as compared to salient pole rotors.

    IV. Principles of rotating machines

    2008-11-27 · Elementary cylindrical-rotor, two-phase synchronous machine for Problem 4.22 (Fitzgerald, 6th ed.) Ex2: Figure on the right shows a cross section of a machine having a rotor winding f and windings a and b whose axes are in quadrature. The self-inductance of each stator windind is Laa and of the rotor is Lff. The air gap is uniform.

    Synchronous Machines: Cylindrical and Salient Pole

    A three-phase, 50 Hz, star-connected cylindrical-rotor synchronous machine is running as a motor. The machine is operated from a 6.6 kV grid and draw current at unity power factor (UPF). The synchronous reactance of the motor is 30 Ω per phase. The load angle is 30°.

    Synchronous Machine: Construction, Classification

    2019-12-20 · Cylindrical Rotor. This motor also known as a non-salient pole motor. This type of motor used in a very high-speed turbo alternator. Synchronous Machine Cylindrical Rotor type. The rotor is cylindrical. Number of rotor poles are less compare to the cylindrical

    cylindrical-rotor 豆丁网

    2009-3-13 · ZhaoXia SpecialEnglish 2008 Unit salient[5seiljEnt] 突出的salient pole cylindrical[sI5lIndrIk(E)l] 圆柱的cylindrical rotor machine 定子Y-connected winding 星形连接绕组 rotor 转子cps-cycles per second 周/秒,Hz laminated [5lAmineitid] 叠置的rpm [wedV

    (PDF) Multiple-Pole Cylindrical Rotor Synchronous

    cylindrical rotor synchronous machine excitation winding," Power Electronics and Applications (EPE), 2013 15th European C onference on,pp.1,10, 2-6 Sept. 2013

    A Cylindrical Rotor Synchronous Generator Design for

    2018-9-6 · This paper presents an alternative way of application of cylindrical pole synchronous machine of average speed to small hydro power plants. The aim of the proposed design is to reduce the electrical machine cost making small hydro power plants more competitive in face of other type of renewable generation. The proposed design procedure is applied to an existent rounded poles generator

    China Cylindrical Rotor Manufacturers and Factory

    2021-4-1 · Cylindrical Rotor Manufacturers, Factory, Suppliers From China, our merchandise have superior popularity from the whole world as its most competive cost and our most advantage of after-sale assistance for the clients。 quality and reliable products passing rate of 100% Horizontal machining centers,EWM Imported welding machine VIEW MORE

    armature n p cylindrical non-salient

    2013-11-14 · from the center of the rotor, characterized by concentrated windings, non-uniform air gap, larger rotor diameters, used in applications requiring low machine speed and a large number of machine poles (example hydroelectric generation). 2. Cylindrical rotor the individual rotor poles are produced using a slotted cylindrical rotor

    Synchronous Machines: Cylindrical and Salient Pole

    A three-phase, 50 Hz, star-connected cylindrical-rotor synchronous machine is running as a motor. The machine is operated from a 6.6 kV grid and draw current at unity power factor (UPF). The synchronous reactance of the motor is 30 $\Omega$ per phase. The load angle is 30°. The power delivered to the motor in kW is_____.

    Few Words About Synchronous Machines EEP

    2021-5-11 · Introduction to Synchronous Machine. There are two main types of synchronous machine: cylindrical rotor and salient pole. In general, the former is confined to 2 and 4 pole turbine generators, while salient pole types are built with 4 poles upwards and include most classes of duty.

    Difference between Cylindrical and Salient Pole Rotor

    2016-10-31 · The main difference between the Cylindrical Rotor and Salient Pole classes of machine lies in the rotor construction. The cylindrical rotor type has a uniformly cylindrical rotor that carries its excitation winding distributed over a number of slots around its periphery. This construction is unsuited to multi-polar machines but it is very sound

    Construction of Alternator Electrical4U

    2012-2-24 · The cylindrical rotor type machine has a uniform length in all directions, giving a cylindrical shape to the rotor thus providing uniform flux cutting in all directions. The rotor, in this case, consists of a smooth solid steel cylinder, having a number of slots along its outer periphery for hosting the field coils.

    The Synchronous Machine

    2020-1-13 · a salient pole machine (such as Fig. 1), the rotor is not cylindrical and the air gap length depends on the angle with respect to the rotor axis. The expression for torque and power is more complex in a salient pole machine, and the maximum torque typically occurs at a smaller value of δ.

    (PDF) Multiple-Pole Cylindrical Rotor Synchronous

    cylindrical rotor synchronous machine excitation winding," Power Electronics and Applications (EPE), 2013 15th European C onference on,pp.1,10, 2-6 Sept. 2013

    Ventilation circuits applied to cylindrical rotor

    2014-6-11 · rotor, comprising the areas between the ribs and the rotor pressing ring. Cross area for the axial air inlet into the rotor lamination core, delimited by the area between the ribs below the inner diameter of the rotor lamination core. Fig. 1: Airflow path in single ended ventilation system of a cylindrical rotor machine.

    The synchronous reactance of a cylindrical rotor

    2020-12-20 · The synchronous reactance of a cylindrical rotor machine is 1.2 p.u. The machine is connected to an infinite bus whose voltage is 1 p.u. through an equivalent reactance of 0.3 p.u. For a power output of 0.7 P.u., the power angle is found to be 30°. A. Find the excitation voltage E f and the...

    armature n p cylindrical non-salient

    2013-11-14 · from the center of the rotor, characterized by concentrated windings, non-uniform air gap, larger rotor diameters, used in applications requiring low machine speed and a large number of machine poles (example hydroelectric generation). 2. Cylindrical rotor the individual rotor poles are produced using a slotted cylindrical rotor

    A three-phase, 50Hz, star-connected cylindrical-rotor

    2020-4-15 · Apr 26,2021 A three-phase, 50Hz, star-connected cylindrical-rotor synchronous machine is running as a motor. The machine is operated from a 6.6 kV grid and draws current at unity power factor (UPF). The synchronous reactance of the motor is 30Ωper phase. The load angle is 30o. The power delivered to the motor in kW is _____Correct answer is between '835,842'.

    Synchronous Machines

    2018-10-12 · Figure 6: Steady-state torque-angle characteristic of a cylindrical rotor synchronous machine. As the rotor moves within the stator, the field induces voltage in the armature winding of the machine. This voltage is called the generated voltage in a generator and the back EMF in a motor.

    Synchronous Machines

    2020-8-6 · A cross-sectional sketch of a three-phase cylindrical-rotor synchronous machine is shown schematically in Fig. 5.2. The figure shows a two-pole machine; alternatively, this can be considered as two poles of a multipole machine. The three-phase armature winding on the stator is of the same type used in the discussion of rotating magnetic

    Few Words About Synchronous Machines EEP

    2021-5-11 · Introduction to Synchronous Machine. There are two main types of synchronous machine: cylindrical rotor and salient pole. In general, the former is confined to 2 and 4 pole turbine generators, while salient pole types are built with 4 poles upwards and include most classes of duty.

    Difference between Cylindrical and Salient Pole Rotor

    2016-10-31 · The main difference between the Cylindrical Rotor and Salient Pole classes of machine lies in the rotor construction. The cylindrical rotor type has a uniformly cylindrical rotor that carries its excitation winding distributed over a number of slots around its periphery. This construction is unsuited to multi-polar machines but it is very sound

    Construction of Alternator Electrical4U

    2012-2-24 · The cylindrical rotor type machine has a uniform length in all directions, giving a cylindrical shape to the rotor thus providing uniform flux cutting in all directions. The rotor, in this case, consists of a smooth solid steel cylinder, having a number of slots along its outer periphery for hosting the field coils.

    A three-phase, 50Hz, star-connected cylindrical-rotor

    2020-4-15 · Apr 26,2021 A three-phase, 50Hz, star-connected cylindrical-rotor synchronous machine is running as a motor. The machine is operated from a 6.6 kV grid and draws current at unity power factor (UPF). The synchronous reactance of the motor is 30Ωper phase. The load angle is 30o. The power delivered to the motor in kW is _____Correct answer is between '835,842'.

    Ventilation circuits applied to cylindrical rotor

    2014-6-11 · rotor, comprising the areas between the ribs and the rotor pressing ring. Cross area for the axial air inlet into the rotor lamination core, delimited by the area between the ribs below the inner diameter of the rotor lamination core. Fig. 1: Airflow path in single ended ventilation system of a cylindrical rotor machine.

    The synchronous reactance of a cylindrical rotor

    2020-12-20 · The synchronous reactance of a cylindrical rotor machine is 1.2 p.u. The machine is connected to an infinite bus whose voltage is 1 p.u. through an equivalent reactance of 0.3 p.u. For a power output of 0.7 P.u., the power angle is found to be 30°. A. Find the excitation voltage E f and the...

    armature n p cylindrical non-salient

    2013-11-14 · from the center of the rotor, characterized by concentrated windings, non-uniform air gap, larger rotor diameters, used in applications requiring low machine speed and a large number of machine poles (example hydroelectric generation). 2. Cylindrical rotor the individual rotor poles are produced using a slotted cylindrical rotor

    Synchronous Machines

    2018-10-12 · Figure 6: Steady-state torque-angle characteristic of a cylindrical rotor synchronous machine. As the rotor moves within the stator, the field induces voltage in the armature winding of the machine. This voltage is called the generated voltage in a generator and the back EMF in a motor.

    A Cylindrical Rotor Synchronous Generator Design for

    This paper presents an alternative way of application of cylindrical pole synchronous machine of average speed to small hydro power plants. The aim of the proposed design is to reduce the electrical machine cost making small hydro power plants more competitive in face of other type of renewable generation. The proposed design procedure is applied to an existent rounded poles generator

    Synchronous Machines

    2020-8-6 · A cross-sectional sketch of a three-phase cylindrical-rotor synchronous machine is shown schematically in Fig. 5.2. The figure shows a two-pole machine; alternatively, this can be considered as two poles of a multipole machine. The three-phase armature winding on the stator is of the same type used in the discussion of rotating magnetic

    Cylindrical rotor inter-turn short-circuit detection

    2014-1-15 · Cylindrical rotor inter-turn short-circuit detection by Kobus Stols, Eskom A “strayflux probe” is commonly used in the industry to determine if any inter-turn short-circuits are present in the field win ding of a synchronous generator with a cylindrical rotor. Fig. 1: Basic “Open-circuit” field winding flux patterns.

    Synchronous Machines EOLSS

    2020-8-26 · The cylindrical-rotor construction is used in generators that operate at high speeds, such as steam-turbine generators (usually two-pole machines). This type of machine usually has a small diameter-to-length ratio, in order to avoid excessive mechanical stress on the rotor due to the large centrifugal forces. Figure 1.

    Cylindrical Rotor Alternator Questions Electrical

    2021-4-22 · Cylindrical Rotor Alternator. In this MCQ you can learn and practice Cylindrical Rotor Alternator objective quiz questions to test your knowledge on electrical machines. This quiz section consists of total 15 questions. Each question carries 1 point. No negative points for wrong answers. You need to score at-least 50% to pass the test.