permanent magnet in English

noun
1
a magnet that retains its magnetic properties in the absence of an inducing field or current.
If this condition persists even in the absence of an external magnetic field, the material is a permanent magnet .

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Below are sample sentences containing the word "permanent magnet" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "permanent magnet", or refer to the context using the word "permanent magnet" in the English Dictionary.

1. This is a permanent magnet.

2. China's permanent magnet material is very rich in China, especially the development of permanent magnet motor.

3. Process for manufacturing alnico system permanent magnet

4. Permanent Magnet Lifter is a kind of lifting gear.

5. The hybrid magnet was made by combining electromagnet with permanent magnet ( PM ).

6. Rotor of interior permanent magnet synchronous motor having high torque providin g structure

7. The hybrid magnet was made by combining electromagnet with permanent magnet ( PM ). Sentencedict.com

8. Apparatus and method for controlling output voltage of permanent magnet generator for refrigerated vehicle

9. The present invention relates to a permanent magnet generator for outputting stabilized electromotive force.

10. Thus permanent magnet synchronous motor is widely regarded in Hybrid electric vehicle ( HEV ) control field.

11. Rotary permanent magnet electric motor with varying air gap between interfacing stator and rotor elements

12. The D-axis armature reaction of rare earth permanent magnet synchronous generator has been analysed.

13. The fastening region (16) is produced from the permanent magnet material of the central region (12).

14. A distinction between positive ( north ) and negative ( south ) magnetic poles of an electromagnet or permanent magnet.

15. In addition, a permanent magnet (16) is arranged between each pair of laminated core segments (3).

16. A double - voltage hybrid excitation earth rare permanent magnet synchronous generator is designed is this paper.

17. Predictive pulse width modulation for an open delta h-bridge driven high efficiency ironless permanent magnet machine

18. The magnetic orientation of adjacent permanent magnet elements towards the air gap is in each case alternating.

19. Sliding cam system and sliding cam actuator comprising a moving pin connected to a permanent magnet unit

20. A direct current (DC) generator, not using a permanent magnet, requires a DC field current for excitation.

21. In particular, the continuous price increase of permanent magnet materials such as NdFeB has pushed up product prices.

22. The permanent magnet magnetically biases the magnetoresistor, and the magnetoresistor senses rotation of the non-ferromagnetic compressor wheel.

23. The value commonly known as the magnetic strength inside the permanent magnet is therefore the demagnetization field strength.

24. The fixing means may include a permanent magnet to be coupled to the glasses frame by magnetic force.

25. The sensorless control methods of permanent magnet synchronous motor are mostly on - frequency signal injection or state - observer.

26. A movable permanent magnet (5) forming a magnetic field (M) is translationally connectable to the actuating button (3).

27. A new configuration for a double-sided rotor, radial flux, air-cored, permanent magnet electric generator (1 ) is disclosed.

28. AC drives and motors, servo drives and motors, DC drives and motors, drives for manufacturing automation, drive systems, permanent magnet motors

29. The hardware of permanent magnet AC servo system is designed, including system power main circuit, system control circuit and auxiliary circuit.

30. The superiority and inferiority of PM machine is closely related with the function parameter of permanent magnet material which is being used.

31. It is shown that the slot cogging torque of permanent magnet ac-servomotors can be efficiently reduced by a staggered rotor arrangement.

32. This system is based on the principle that bulk high-temperature superconductors can be levitated stably above or below a permanent magnet.

33. The torque per unit volume of the permanent-magnet stepping motor is relatively poor, so production is limited to the smallest sizes.

34. A simple and high - Performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is Presented.

35. The resonating cantilevers are actuated by means of electromagnetic forces generated by a permanent magnet and an AC current flowing in a metal loop.

36. What the effects does low intensity constant magnetic field strapping and application with permanent magnet have on the growth of tumor in the inoculated animals?

37. The present invention relates to a linear vibrator in which a permanent magnet, a coil unit, and a circuit board are arranged in a case, and a mass vibrates by means of the electromagnetic force acting between the coil unit and the permanent magnet when power is applied to the circuit board from an external source.

38. The Block diagrams are drawn for a few basic synchronous motor structures, i.e., an SPM motor, a salient-pole permanent magnet motor and a synchronous reluctance motor

39. The package allows us to solve many kinds of problems such as magnetostatic field, eddy current field, permanent magnet field and the electromagnetic force of the magnet.

40. The utility model is composed of an annular permanent magnet , a magnetic conductive gasket , and a cooling tube, which are arranged in a circular column target pipe.

41. The microneedle is fabricated by MEMS technology with SU- and the permanent magnet array is fabricated by electroplating technology. Processes of these two technologies are introduced in detail.

42. Complete torque motors are permanent magnet AC synchronous motors that are used as a replacement for hydraulic and conventional electric drives, consisting of electric motor and gearbox or belts.

43. 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.

44. Close to the switching characteristics of the switch size is small, maximum detection distance. It can detect magnetic objects (usually permanent magnet), and then generate the output trigger switch.

45. A Brushless DC (BLDC) motor is a Permanent Magnet Synchronous Motor with a unique back EMF waveform that allows it to behave similar to a Brushed DC (BDC) motor

46. Some drawbacks are that shunt wound Brushed DC motors are more expensive than permanent magnet Brushed DC motors and have the potential of motor runaway if the shunt current decreases …

47. The AC PM synchronous motor is the same as a brushedless permanent magnet (PM) motor with a stator constructed with iron teeth, with the exception that the motors are wound differently.

48. Coercivity and Remanence in Permanent Magnets A good permanent magnet should produce a high magnetic field with a low mass, and should be stable against the influences which would demagnetize it

49. It has a large diameter >3.55 m, is low speed using a directly connected shaft mounted permanent magnet alternator with electronic power regulation and is very fish friendly (<5% mortality).

50. Then, based on Cubature Kalman filter and iterated Cubature Kalman filter, simulation model of sensorless vector control system with dual closed-loop of permanent magnet synchronous motor speed and current is established