stator

The invention relates to a generator with a stator comprising cooling ducts and method for cooling a laminated stator of a generator.

A throttle valve control device is composed of a stator core with a solenoid and a rotor carrying a throttle valve.

the stator is sleeved on the rotor and an air gap is formed between the stator and the rotor.

The invention relates to an electric motor stator structure, which consists of a magnet conductive component and a winding.

Up to now, the most published fault diagnosis approaches of broken rotor bar are usually based stator current signal spectrum analysis.

As one of the key part of the power system, the reliability of large generator depends on the condition of the stator winding insulation.

The invention improves the efficiency of the electric generator by adding at least one stator rotor generating unit.

Turn the electric motor shaft if it rotates freely, Measure the air gap between the stator and the rotor.

The invention relates to a cooling device for an electric machine, in particular, for an electric motor comprising a stator (2) and a rotor.

furthermore, the abrasion of a rubber stator is small, thus prolonging the service life of the rubber stator.

The unsteady surface pressure on stator blade of an axial compressor was measured by means of mounting micro-sensors on blades surface.

By monitoring the voltages and current of the stator, it is possible to estimate the speed and position on-line.

If the stator or rotor (or both) is subjected to a time-varying magnetic flux, the iron core is laminated to reduce eddy current losses.

Harmonics of these normal forces will resonate the natural frequency resonant modes of the stator structure so producing acoustic noise.

The yoke ring is a part of a magnetic circuit of a motor and a part of a stator structure of the motor, so space is effectively used.

The stator has a set of stator laminations and a set of windings held in position by the set of stator laminations.

electroplated layers or anti-rot material layers are arranged on the surface of the stator assembly and the rotor assembly.

Including blades, blades of the wind turbine, the rotor and stator.

Since the unbalanced stator currents are used as the fault signs, the stator faults can be conveniently detected on-line.

Each stator lamination includes an outer section, and a set of teeth coupled to the outer section.

In convenient for monitoring the temperature of the generator stator, the temperature criterion value must be determined on different load.

A motors is located within the tube, the motor comprises a rotor and a stator, wherein the rotor is connected to the tube.

The coil is formed to the proper size so that the complete coil can be inserted into the stator slots at the time the stator is wound.

The present invention discloses an apparatus for fixing an inner stator (320) of a motor of a reciprocal compressor and a method therefor.

Separators of motor stator and rotor are made of mutual insulation of silicon steel folded, is the motor magnetic circuit parts.

The other is damaged as a result of sets of stator shielding invasive stator windings of medium led to damage stator windings.

The stationary portion includes a housing, a stator component provided to the housing, and a tube providing an interior surface.

Finally, different blade axial intervals between the stator and the rotor are tried to observe the influences on aerodynamic performance.

The present invention is composed of a permanent magnet stator and a permanent magnet rotor.

R. China. As the key part of power system, the reliability of large generator depends on the condition of stator winding insulation.

The computer program was used to optimize the casting process for the stator temperature measurement junction box.

The slots on the stator core are skewed slots forming certain angles with an axial line of the stator, and the slots are semi-closed slots.

The motor is provided with a cylindrical rotor (130), and a stator (140) surrounding the outer circumference side of the rotor.

A linear permanent magnet brushless DC motor(LPMBDCM) composed of an armature and a permanent magnet stator was introduced.

Direct torque control has excellent dynamic performance, but it has large ripple on stator flux and electromagnetic torque.

A single-phase permanent magnetism brushless electric generator with compensation windings comprises a stator, a rotor and a front end cap.

The loosening and dropping out of slot wedges may damage insulation of rotor and stator to cause stator insulation breakthrough.

At this point I wired all the coils on each stator half into series.

Three normally closed, automatic reset thermostats connected In series shall be embedded In adjoInIng phases of the stator wIndIngs.

Induction motor faults can be divided into: stator faults, rotor faults, bearing failure, as well as air gap breakdown.

Shielding set of main function is used to prevent the rotor stator winding copper strip and with reactor coolant contact.

Twin stator brushless doubly fed generation system is quite prospective for variable speed and constant frequency solutions.

An electric motor's normal force between stator and armature in SLIM electric motors is perpendicular to the direction of travel.

The drill was fixed on the base of the stator with an angle to form a longitudinal-bending vibration converter.

the stator assembly comprises a stator iron core and a winding. The stator iron core uses the mode of coating plastic to insulate.

Once broken rotor bar fault occurred in induction motors, there would be Edge Frequency components induced in the stator current.

The lateral plate is in a close fit with the stator, which is used for radial periphery sealing of the pump.

The rotor shall not touch the end frames, stator laminations, winding or any other lead or connection.

The balancing member includes an encoder disk 42, arranged to permit the position of the rotor with respect to a stator 13 to be determined.

When the stator coil of the motor is communicated with an electrical source, the rotor of the motor rotates with the spindle rod.

It is consisted of rotor with saw-shaped blades on periphery, rotating flow passage lateral plate and a diameter-equivalent stator.

For support under high pressure at the internal shielding sets of stator coils can be used to bear the stress.

The speed of winding step power control and power of the frequency shift depending on the order of the stator power rotation.

Stator winding is one of the key factors which affect the motor performance.

A hybrid computing intelligence approach was used in the residual life prediction of large generator stator insulation.

The utility model relates to a special using mechanism for plastic encapsulated motor half lobe stator enwinding wire packet.

Thus, strength of the stator using a powder magnetic core is ensured and a space is saved.

A self-optimization control algorithm of the minimum stator current is proposed with the single-variable optimization method.

Disclosed is a motor which includes a stator including a plurality of aluminum coils and a rotor.

The drawbacks of present stator ground fault protection principle for the small and medium sized generators are pointed out.

On the stepper motor stator windings are usually equipped with multi-phase, with the rotor teeth is the core or permanent magnet.

The entire wound stator assembly shall receive a minimum of two coats of insulating varnish utilizing a dip and bake process.

An inductor alternator is a special kind of synchronous generator in which both the field and the output winding are on the stator.

The improvement eliminated the component which in the stator current did not hope, enhanced the exchange transmission system efficiency.

An electric motor has a stator, and a rotor disposed within the stator.

Stator: This part of the machine does not move and normally is the outer frame of the machine.

The fastening element is provided with a stator of the linear electric motor.

During angular acceleration of the shaft the stator coupling must absorb only that torque resulting from friction in the bearing.

The stator winding must be impregnated with insulation paint and dried before refitting.

First, feedforward compensation is done to the cross-coupled term in permanent magnet synchronous motor stator voltage equation.

Configuration of stator and rotor, excitation mode and working principle for various switched reluctance machine are expounded.

Comprehensive consideration of stator loss and impeller loss, an adjustment program was proposed with different velocity ratio.

The utility model belongs to the technical proposal of a stator winding machine.

Reactive stepping motor rotor windings without, the excitation of stator winding respond to realize stepping operation torque.

The invention also provides a motor rotor and a chip of the motor stator.

The maximum pressure distortion in the inlet surface increases with the stator moving to the right then has decreasing tendency.

It uses a single stator, rare-earth neodymium iron boron permanent magnet in a cast aluminum casing with stainless steel fittings.

and the end part of the stator winding circles around the inner fan blade of the rotor.

Magnetic working substance area is circular arc with certain radial thickness, and has certain gap with stator permanent magnetism block.

Variable-frequency speed adjusting system causes the uneven distribution of inter-turn voltage of stator windings of traction motor.

Fault concerning stator temperature is an important type of turbogenerator fault.

Be suitable for electromotor insert shafts into the slices, impacting and installing of stator iron core and axletrees.

Moreover, frozen rotor technique is applied to dealing with rotor-stator interaction.

The results provides theoretical basis for the insulation design of the stator windings.

The air gap flux linkage is a linear function of stator current and mover displacement.

Adjust the clearance between the stator and the rotor which should be equal everywhere.

The paper checks the safety and stability of shoulder pole girder for hoisting large dynamotor stator with finite element software ANSYS.

Finally, the stator resistance effect of rotor position estimation in high frequency voltage signal injection is investigated.

Standard high reliability moisture detection system and stator thermal protection fully protects the motor.

The technical difficulties of turbo-generator stator and rotor windings localized production are being analyzed.

Through return seeking, the difference of stator curve between products of same kind which are produced in different methods is obtained.

The four-shaded pole asynchronous motor stator of the invention can improve motor efficiency and motor torque.

But problems are exited in the configuration of distribution transformer and the setting for the stator earth fault protection.

Therefore, magnetic circuit in stator side is common, and divided into two in rotor side, thus making analysis calculation uncommon.

The stator blades each define a primary leading edge, a trailing edge, and preferably include a flange defining a secondary leading edge.

Such machines are known as "asynchronous" motors, because the rotor's magnetic field never catches up with the stator's field.

For a long time, the hydro-generator has usually used air as medium to cool its stator, rotor winding and iron core.

On the major of current analysis method, we adopt multi characteristic coefficient to diagnose the stator windings faults.

why three-phase synchronous generator stator slot is skewed, three-phase asynchronous motor stator slot is a straight slot?

Numerical investigations about the influence of changing stator solidity on the steam turbine stage performance are presented.

And this rotating magnetic field between the stator and the rotor induces a voltage in the rotor conductors .

When the rotor blade with the traditional high quality steel stator supporting the use of common, it does not produce adhesion, low noise.

From the results of computer simulation, it is shown that the stator flux oriented control system using this method had good performance.

Two methods of reducing cogging torque, namely, the stator tooth notching and the two rotor pole stacks shifting are presented.

The exciting dynamo stator is arranged at an extended end of the left end cap.

And replacement of stator windings is similar to an ordinary motor, but higher insulation levels, most of the use of H-class insulation.

Centre point of the rotor is superposition with geometric centre point of stator guide magnet yoke.

In this paper, the shape of stator and rotor cascades was improved and the aerodynamic performance before and after improving was analyzed.

The invention provides a screw drill with a skeleton-type stator, belonging to the field of drilling tools.

The invention relates to a stator winding multicapacity dynamic matching load safe and power-saving motor.

The invention further discloses a manufacturing method for the electric motor stator.

The theoretic calculation and retrofit scheme for turbine, rotator and stator of generator are discussed.

Using the utility knife, make 4 small slits on the side of the container, corresponding with those on the stator disk.

Because the stator consists of elastomer and piezoelectric ceramic, degree of freedom and physical field coupling problem need to be solved.

The modular conical stator pole provides an improved conical stator assembly on electrical machines.

Flat type vibration source includes up chassis, stator module, low chassis and extended tail part, and rotor module.

In low speed, stator resistance directly affects the performance of stator flux oriented control system.

The stator of the prototype is steel, and rotor is fiberglass, antifriction material or steel.

WPD is adopted because the spectrum of the stator current cannot be gained correctly by FT when the load torque is fluctuant.

Cutting and unrolling the stator leads to many other possible linear electric motor configurations.

Usually ultrasonic motor is operated in the vicinity of the resonance frequency of the stator.

An accurate EKF observer was studied which estimates angular speed and position of the rotor, stator flux linkage and torque of IPMSM.

The cylindrical type ultrasonic motor uses bending vibration of cylindrical stator to drive rotor.

The results show that the stator vane angle variation has a remarkable effect on the compressor performance.

The LPV direct torque control used a method of stator voltage space vectors subdivision to decrease the torque pulsation.

Inspect polarity of stator winding and its correctness of wiring.

Firstly, starting with working principle of single screw pump, the force on stator of single screw pump is analyzed.

Be suitable for stator inner winding of Multi- polar air- conditioner electromotor and non- brush DC motors .

The study results can be used to control the instability of the RMB system with rub between rotor and stator.

So the correct regulation of axial interval of turbo rotor and stator determine turbodrill working life .

Taking stator of single screw pump as the object studied, the using live is studied in this paper.

The motor is doubly salient with phase coils mounted around diametrically opposite stator poles.

The modal and harmonic responses of the cylindrical stator were also analyzed.

A stator with a stator winding is fixed to the frame around a rotor.

Be suitable for coil winding of stator winding and transformer winding which need wire arrangement.

Upstream stator-rotor interaction reduces the double leakage flow intensity in the rotor tip region.

Stator slot leakage inductance is important part of stator leakage inductance.

The stator core for a rotary electric machine is thus produced.

Secondly, the stator-free RPM sensing principle was designed and implemented in prototype.

A stator core is formed by arranging divided cores (20) in a circumference direction in cylindrical shape.

The article adopts stator flux-oriented vector control strategy in doubly-fed wind turbine system.

Wheel generator rotor and axles for electric bicycle with shaft, stator for electric bicycle tyre.

In this paper, the modal of large turbogenerator stator end winding is studied using impulse technique.

EP-based glass reinforced spring washer was used in the end tightening system of generator stator windings.

The influences of gap length, polar arc and thick of stator yoke on electromagnetic torque are discussed.

a stator dust cap is fixed on the stator through a connection ring.

Based on actual failure data, reliability analysis of the nuclear power plant generator stator cooling water pump was given in this paper.

The invented generator comprises rotor on shaft fixed in body case as a rotatable bearing, and stator (8).

The damaged stator windings of the motor should be rewound.

DC withstand voltage test and leakage current measurement for stator winding.

The stator structure feasibility is verified using the numerical analysis and experimental results.

This paper related the formula design of one step injection screw drilling tool stator com- pound for oil filed.

The stator ground fault protection with injection voltage can provide 100% windings protection.

G is strictly prohibited without the media-type screw pump under air operation, so as to avoid damage to the stator.

Active magnetic bearings (AMBs) make rotor suspended in the middle of stator by magnetic force.

Because the state equation's state variables are stator current and stator flux, the stator flux can be observer direct.

A closed loop transfer function block diagram in which stator voltage is used as a control variable is designed.

The paper presents a mixed torque adjusted method, which is combined with the hexagon stator flux trace method and round stator flux trace.

A new outer-rotor stator-doubly-fed doubly-salient PM machine for wind power generation was presented.

All the coils on each half of the stator are wired together in series.

Motor stator housing is one integral casting, There are no bolted-on jackets or external seals to corrode, wear or leak.

I handled them carefully before gluing them into the stator laminates.

They are for ground, antenna, detector tap and one wire to the stator of the variable capacitor.

It is a policy of controllable vector in directional stator magnetic field that the MW DFIG use.

When the motor stator coil is electrified, the motor rotor rotates together with the spindle blade.

The fan is permanently connected to the fan stator, which is permanently connected to the flange of the open tube shaft.

Since positioning torque means that there will be no supply of stator-lock the torque rotors.

The unloading voltage in auto alternator has two parts which are produced by stator coils.

Besides, the magnet is arranged in the circumference of the stator.

This paper introduced the stator coil manufacturing technology of GE390H gas turbine generator.

Hence, the stator and rotor ground fault protection play an important role in the protection system of generator.

The first photo shown above is one group of the windings on the stator.

and a stator is formed by assembling a shielding magnetic shoe sleeve (5) and a magnetic shoe (6).

The magnetic poles field is produced by permanent magnets mounted on the stator.

Our main parts are Bracket, Booster Shell, Drive Plate, Stator and Pole Housing.

The stator resides in the very center of the torque converter.

Zibo QianzhouChau Electric Co. , Ltd. , specialized in producing automobile generator stator rotor and other auto parts.

Wide range application, from small stator of fan to big stator of air-conditioner.

Therefore, in order to estimate speed more accurately, blocks of stator resistance and rotor resistance online identification were designed.

Scroll compressor is a volumetric compressor, the use of rotor and stator vortex of meshing vortex formed DuoGe compression chamber.

Relay protection for stator cooling water pump of unit 1 had experienced malfunction in Datang International Tuoketuo Power Generation Co.

The stator winding current induces a current in the shifted rotor windings.

There is no other way but renewing the stator of the motor.

Stator design affects full speed performance.

The invention relates to an electric motor (1) comprising a stator (3), a rotor (2) and a number of permanent magnets (6).

The estimator is simple in construction and the error of stator resistance is small.

Operation theory and realization method of stator-flux-angle in engineering based on digital phase-locked-loop (PLL) are presented.

Now, Noji and colleagues have used AFM to record a sequence of frames of the rotorless F1 component (the catalytic stator ring).

Have probed into its stator of windings and rotor winding design method.

Mainly by the motor stator and rotor components.

The stator component 8 is connected with an inarch stent 6, and the inarch stent is fixed at the car platform.

Earth stator winding for discharging.

Stator winding around with three-phase double-deck and line, the stator iron core coil slot number is 36.

It is discussed the relation between space voltage vector and stator flux.

No matter what the situation would require the replacement of sets of stator windings and shielding.

Electric machines are composed of stator and rotor.

Weighing, vacuum values in the same direction on the stator.

To change of motor stator frequency and motor parameter, the example calculating and analyse for system stability is carried on.

the rotor is inserted in the spool shell of the stator.

Therefore, the stator and rotor and the vent was spinor into two parts.

With optimizing the structure of stator and rotor, the startup capability of SRM is improved.

AC withstand voltage test of stator winding.

at the same time , a novel stator and rotor resistance identification method under steady state is presented in this paper.

The designing method of the new stator winding is introduced and an example of stator winding with 72 slots at 8 poles is given.

We offer glue bonding or TIG welded stator cores.

It is mainly from the pump body (stator) and rotor components.

Said drive (7) comprises a fixed stator (8) and at least one rotor (9) that can be displaced in relation to the stator (8).

Stage-16 Stator Vane was damaged by foreign objects on several places.

Besides, the stator iron core you provided last time is only 17743PS left at our side.

An axial-flux electric machine (10) includes a stator (14) and a rotor (16).

Professional design, development, production of various kinds of motor stator core-to-motor die.

Double-stator permanent magnet motor with excellent performance is getting more and more attention and research.

It can avoid the danger of out of step because the stator's frequency rises following the rotational speed.

More and more large-sized generators are installed 100% stator earth fault protection with low-frequency alternating-voltage injection.

On the other hand, corona discharges can occur in machine stator slot and end region when the cable windings have no metal shield layer.

The rotor and stator windings of N0. 2 alternator should be varnished and baked as soon as possible.

In 3D condition, we try to change the performance of second stator's leading edge to make the best use of clocking effect.

On the other hand, when the motor is operated in middle to high speed range, the stator current is continuous. The back emf can be computed.

This produces a magnetic field in the rotor that is offset from the stator poles.

A giant stator.

It is important to generate ellipse motion on the stator driving-surface of ultrasonic motor in order to drive the motor.

Analysis and processing on an operation of the stator ground protection of a set of gas-generator

It is important to study the natural frequencies of the BLDCM stator for reducing the noise of the BLDCM and optimizing control strategy.

Application of Speed Governing Technique of a Motor by Converting Voltage of the Motor's Stator in an Overhead Crane

The utility model discloses a motor with a configuration of air bearing, comprising a shaft, a rotor, a stator and a magnet;

I want to buy around 10 machines for stator lines to install in our company in Beijing - China.

Optimum design model of conjugate curves for a pair of stator and rotor on PDM

Experimental study of flow distribution characteristics for a rotor-stator system

Study of performance and profile pressure distribution of transonic compressor under rotor-stator interaction condition

Probe into the Assessment Methods on Turbogenerator Air Gap Dynamic Measurement Used in Stator-rotor Distortion in Hydraulic Generator Unit

Determination of Hollow Area Dimensions of Stator Conductor in Large Electric Machines by Means of Direct Search Method

Study of Manufacturing Technology for Stator Coils of Magang Cold Rolling Variable-Frequency Adjustable-Speed Induction Motor

Study on the Position Control of a Single Stator Ultrasonic Motor with Three Degrees of Freedom and its Position Control

Guide for testing turn-to-turn insulation on form-wound stator coils for alternating-current rotating electric machines

Experimental Research of Bending and Torsional Vibrations of a Double Disc Rotor Due to Rotor-to-Stator Contacts

Experimental Study of Replacing Silicon Steel Strip by Carbon Steel Using as Material of Stator in Agriculture Pump-electrical Machines

Cause Analysis and Treatment of a Hydrogenerator Stator Grounding Fault due to Loosening of Stator Core

Study on Novel Sector-stator Motor with Low Speed and Big Torque Used for Directly Driving

Study of asynchronous machine with an improved of stator flux observatory

Simulating Experimentation and Analysis of the Stator Insulation Structure for Evaporative Cooling Turbogenerator

The Heat-Insulated Analysis and Temperature Controlling on the Hot Pressing Equipment of Motor Stator Coil

The Research and Electrical Field Simulation for a New Type of Stator Insulation Structure Adapting to Evaporative Cooling Machine

Calculating Temperature Distributionin the Stator of a Synchronous Generatorby Means of Network Topologic Method

Stator fault type analysis and searching algorithm design of a particularly giant hydraulic generator

The Driving of a Single Stator Ultrasonic Motor with Three Degrees of Freedom and Its Position Control

Experimental Research on Vibration Characteristics of Sharp Rub-impact between Rotor and Stator of a Rotor System

Simple Analysis Coefficient of Two Different Arithmetic Calculations to Affect the Stator Temperature Rising

Optimum Design for the Stator of a Linear Ultrasonic Traveling Wave Motor of the Ring Type

Calculation of Rotor Current on Induced Excitation Synchronous Generator When Considering the Stator Harmonic Stationary Magnetomotive Force

The judging method of the head-tail end of three-phase asynchronous motor stator winding