快好知 kuaihz


permanent magnet造句
(91) And recommended simply the ductile Fe-Cr-Co system permanent magnet material, mid-hard magnet material, Mn-Al-C permanent magnet material and crystallite permanent magnet material. (92) The effect of flux-insulation methods of pole-to-pole leakage factor of PMSM with rotor of Us permanent magnet are computed and analyzed, and some conclusions are given. (93) Nanocomposite permanent magnet exhibits excellent magnetic properties combining high coercivity of permanent magnetic phase with high saturation magnetization of soft magnetic phase. (94) Permanent magnet generator direct driven ( DPMG ) by wind - turbine becomes the tendency of wind power development. (95) The dissertation proposes control technology of rare earth permanent magnet brushless motor ( BLDCM ) in railway switch. (96) In recent years, in mainly related torque direct drive fields, the permanent magnet synchronous torque motor servo system shows a superior performance which the other systems can not be compared. (97) 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. (98) Integrating electromotor and generator, a rare earth permanent magnet brushless direct current motor (REPM BLDCM) control system based on DSP in the HVC is studied. (99) Highly experienced in permanent magnet carbon brush, commutator, and other critical motor component & material selection. (100) Temperature drift of electromagnetic equilibrant transducer are analysed, the efficient compensation for the permanent magnet, the length and the resistance of the movable coil are introduced. (101) The invention has the advantages that the nano permanent magnet material in the true sense is obtained, and the preparation method is simple. (102) A shell of a magnetic rod is disclosed, which wraps a permanent magnet rod, and the outer surface of the shell is provided with a plurality of concave grooves. (103) In a permanent magnet brushless motor, airgap field excited by a 2-pole magnet ring with parallel magnetisation is sinusoidal. (104) 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. (105) According to the working environment, a reality structure scheme using permanent magnet adsorption and twin pedrail type structural cleaning robot is put forward. (106) Automobile starting motor can be divided into electromagnetic starting and permanent magnet starting. (107) The second method uses a small permanent magnet to hold normally open contacts together. (108) Its main products: frozen rabbit, fast-frozen vegetables, caw, permanent magnetism oxygen loaf, ferric oxide of permanent magnet, and etc. (109) The rare earth permanent magnet alloy with a high coercive force is disclosed. (110) In this paper, the equivalent circuit of typical permanent magnet actuator is analyzed, and the excitation current wave is optimized under definite redundancy and demanded minimum impulse power.