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For the problem of analytical method has lower precision while numerical method consuming much time in calculating Line-start Solid Rotor Permanent Magnet Motor, this paper analysis and compares the advantages and disadvantages of these methods, using field and analytical collaboration method for analyzing a prototype. It calculates the no-load air-gap flux density, back-EMF, and full-load starting...
In order to analyze the loss of Line Start permanent magnet (LSPM) motor, the loss calculation model, which is based on field-circuit-motion coupled Time-Stepping Finite Element Method (T-S FEM), are established in this paper. Taking a 22kW LSPM motor as an example, the iron losses and rotor copper loss are calculated under different supply voltage and load conditions. It is found that, under no-load...
Low-power 1×2 optical switching in a double coupler ring resonator (DCRR) made by a silicon nanoscale waveguide based on two photon absorption (TPA) is analyzed theoretically. The TPA originates from a femtosecond pump light at 400 nm, which enters the DCRR together with a CW signal light at 1.55 μm through the input port. TPA makes the silicon free-carrier concentration change, which is proportional...
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