permanent magnet In A Sentence
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- Recent innovations include permanent magnet motors, machine room-less rail mounted gearless machines, and microprocessor controls.
- A permanent magnet can be stably suspended by various configurations of strong permanent magnets and strong diamagnets.
- Automobile starting motor can be divided into electromagnetic starting and permanent magnet starting.
- The trains use PMSM ( permanent magnet synchronous motors ).
- Its main products: frozen rabbit, fast-frozen vegetables, caw, permanent magnetism oxygen loaf, ferric oxide of permanent magnet, and etc.
- A linear permanent magnet brushless DC motor ( LPMBDCM ) composed of an armature and stator was introduced.
- For reducing detent force of permanent magnet linear synchronous motors(PMLSM) resulting from slot effect and end effect.
- The theory and characters of testing technology for permanent magnet material NdFeB have been introduced in detail.
- A bar on horseshoe magnet is called a permanent magnet.
- A new high power-density brushless permanent magnet traction motor with water-cooling stator frame as well as design guideline is presented.
- The conclusion can be used to direct the design of electromagnetic relay with permanent magnet.
- The exact rotor position is required while a permanent magnet brushless servo motor (PMBSM) is under commutation and control. Howere, position sensors have some fatal defects.
- A much better form of electromagnetic ammeter can be constructed on a principle now extensively employed, which consists in pivoting in the strong field of a permanent magnet a small coil through whic
- The battery capacity was increased to 11.4kWh, and a new brushless permanent magnet AC motor was introduced.
- Doubly salient permanent magnet motor is a novel electromechanical controllable AC variable speed systems.
- The sensors contain a permanent magnet and wire coil.
- A perpendicular magnetic field is imposed by a permanent magnet.
- The gradient magnetic field generator is one V-shaped tank with V-opening magnetizer and permanent magnet or electromagnet embedded to the bottom.
- Notes are passed over a permanent magnet array and magnetized along their direction of travel.
- Due to stator resistance and armature reaction, the output voltage of conventional permanent magnet synchronous generator varies with the load.
- Line - start permanent magnet synchronous machine has high efficiency and power factor.
- Subject to the five-phase permanent magnet synchronous motor control system for the study, research on the five-phase PMSM vector control theory, PWM control strategy, and fault-tolerant operation.
- A small permanent magnet is always liable to become demagnetized, or have its polarity reversed by the action of lightning.
- It's difficult to find permanent magnet in a sentence.
- Below the tray, directly underneath each hump, a static, permanent magnet holds the dust in formation.
- Because of limited coercive force of permanent magnet, the non-reversible demagnetization of it must be prevented.
- China's permanent magnet material is very rich in China, especially the development of permanent magnet motor.
- The optimization design of a late - model machine - surface permanent - magnet synchronous motor has been accomplishmented.
- The air gap magnetic field characteristic of rare earth permanent magnet salient - pole synchronous generator is studied.
- The dissertation develops the rotating machine direct torque control into the linear machine control. And the control system of permanent magnet linear synchronous motor based on DSP is equipped also.
- In February 2016 the first of a series production of 300 permanent magnet wind generators was completed at the St . Nazaire factory.
- This cone, dome or other radiator is mounted to a rigid frame which supports a permanent magnet in close proximity to the voice coil.
- A double - voltage hybrid excitation earth rare permanent magnet synchronous generator is designed is this paper.
- Neodymium magnets are the strongest type of permanent magnet commercially available.
- The success of such a unilateral permanent magnet builds a strong basis for some scientific research such as the construction of a unilateral MRI system with homogeneous magnetic field.
- By the use of a permanent magnet instead of a shunt coil as the bob of one pendulum, the meter can be made up as an ampere-hour meter.
- Consider a variable speed wind turbine with a permanent magnet synchronous generator.
- This paper has presented a module-cascaded system for multi-coil direct-drive permanent magnet wind generator system with high voltage output, eliminating the grid-side step-up transformer.
- This thesis proposes the design and development of - phase permanent - magnet synchronous motor drivers with speed generator sensor.
- The double-phase composite material of the aluminum alloy and the neodymium iron boron type rare earth permanent magnet material is prepared by using a powder metallurgy method.
- Read operations in the piggyback are identical to the permanent magnet version.
- The second method uses a small permanent magnet to hold normally open contacts together.
- But one day she noticed that one of her samples stuck to a permanent magnet.
- The hardware of permanent magnet AC servo system is designed, including system power main circuit, system control circuit and auxiliary circuit.
- A distinction between positive ( north ) and negative ( south ) magnetic poles of an electromagnet or permanent magnet.
- Uses: Mainly used to high performance permanent-magnet, magneto optical material, ultraviolet absorbing glass, functional ceramic, colorant and decolorizer of glass.
- Put pulley and rotor of the centrifugal together and made full use of magnetic field, the centrifugal permanent-magnet direct-current generator reduces the cost.
- In this paper the relationship of current with loss of surface permanent magnet synchronous motor (SPMSM) is achieved by considering the copper loss and iron loss.
- Think about a permanent magnet and a chunk of ferromagnetic material ( like iron ).
- It is composed of a taper shank cap, a hollow taper shank, an awl perch, an awl stem casing, a permanent magnet and screwdriver heads of different format dimensions.
- For additional information regarding the composition and qualities of permanent magnet steels reference may be made 6 The marked effect of silicon in increasing the permeability of cast iron has also
- The motor is a permanent magnet type.
- This paper presents a continuous method of measuring position(power angle)and velocity of the mover of the sectional permanent magnet linear synchronous motor(SPMLSM).
- It has not only the advantages of the ordinary permanent magnet starter motor, but also some other advantages, such as higher starting torque, higher no load speed, and lower cost.
- Firstly, using finite element analysis to describe that cogging force was the main cause of force ripple in tubular permanent magnet linear motors.
- The permanent magnet meter can be used as an ammeter or a voltmeter.
- Emphatically reviewed four systems of permanent magnet material : Al - Ni - Co magnet, ferrite magnet, rare - magnet and glue magnet.
- Rail, unlike buses, is a permanent investment on city streets, and stations act as a magnet of activity, much like exits off interstate highways.
- The magnetic field of permanent magnets can be quite complicated, especially near the magnet.
- The magnet wheel is a permanent magnetism rubber wheel which is vulcanized into moulding by milling the rubber and the magnet powder, and then is magnetized.
- The lower end of the wire was also positioned between the poles of a powerful permanent horseshoe shaped magnet.
- Is it just like a permanent iron bar magnet with magnetic domains locked in alignment ?-- talk ) 19 : 30, 9 November 2009 ( UTC).
- In this paper, a new high power and wideband amplifier with permanent periodic magnet(PPM) focusing is presented. It consists of klystron and FEM .
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