permanent-magnet direct-drive
Design Considerations for Permanent Magnet Direct Drive Generators for Wind Energy Applications
... Abstract—Permanent Magnet Direct Drive (PMDD) generators offer very high force density, high efficiency and low number of ...of permanent magnets gives magnetic field for free but there ...
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A Survey of Power Take-off Systems of Ocean Wave Energy
... vernier hybrid permanent magnet generator for use in direct drive wave energy converters. Linear primary 726[r] ...
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Optimization of offshore direct drive wind turbine generators with consideration of permanent magnet grade and temperature
... where permanent magnets are mounted should make minimum as the magnet materials are temperature sensitive ...most direct drive generators, I 2 R losses ...
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INVESTIGATION OF PERMANENT MAGNET SYNCHRONOUS MACHINES FOR DIRECT-DRIVE AND INTEGRATED CHARGING APPLICATIONS IN ELECTRIC VEHICLES
... the permanent magnet synchronous motors (PMSM) will continue to dominate the market and other motor technologies will remain niche technologies with less than 5% market volume over the next five years ...
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The Study of Optimal Structure and Value of Dump Resistance in Direct Drive Permanent Magnet Synchronous Generators
... The generator in Direct drive wind power generation system DDWEGS are two main types: rotor electric field concentrated winding rotor permanent magnet synchronous generator and excitatio[r] ...
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Modelling and control of direct drive variable speed wind turbine with Interior Permanent Magnet Synchronous Generator
... for permanent magnet synchronous generator (PMSG) based gearless direct drive variable speed wind turbine due to superior performance, efficiency, smaller size, less maintenance and enhanced ...
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Modelling And Analysis Of Sensorless Permanent Magnet Synchronous Motor By Using Fundamental Excitation
... motor drive systems are widely used in various servo ...motor drive is PMSM as it has high-performance motion control with fast speed and ...have permanent magnet located at the rotor, back ...
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Analysis and Design of a Permanent-Magnet Outer-Rotor Synchronous Generator for a Direct-Drive Vertical-Axis Wind Turbine
... In Permanent-Magnet Synchronous Generators (PMSGs) the reduction of cogging torque is one of the most important problems in their performance and ...a direct-drive vertical-axis wind turbine ...
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Research on Control of Permanent Magnet Synchronous Motor Based on Second-Order Sliding Mode
... a permanent magnet synchronous motor (PMSM) drive system applying direct torque control with space vector modulation ...algorithms, direct torque control, and space vector modulation, ...
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Modelling of direct drive motors for performance improvement by design and control
... a permanent magnet motor this holds for the rotor, because the phase fluxes approximately add up to ...a permanent magnet motor is very easy to implement in a design: just place magnets on the ...
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High Power Direct Drive WECS Using Fuzzy Logic Controller
... The permanent-magnet synchronous generator used was 3 kW, 220 V (wye three-phase stator winding), and 375 r/min (16 poles). NdFeB magnets provide proper flux density in the air gap. The winding resistance ...
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Modelling And Analysis Of Sensorless Permanent Magnet Synchronous Motor By Using Fundamental Excitation
... motor drive systems are widely used in various servo ...motor drive is PMSM as it has high-performance motion control with fast speed and ...have permanent magnet located at the rotor, back ...
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Design and implementation of a loss optimization control for electric vehicle in wheel permanent magnet synchronous motor direct drive system
... PMSM drive system in EVs and proposes a novel loss optimization control strategy for PMSM direct drive system which achieves a higher efficiency compared to traditional vector control over the whole ...
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Voltage Control Strategy for Direct-drive Robots Driven by Permanent Magnet Synchronous Motors
... the direct-drive robot manipulators driven by PMSMs has been studied in this ...a direct-drive robot manipulator is relatively more difficult than the geared-drive robot manipulator due ...
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Improving the thermal performance of rotary and linear air-cored permanent magnet machines for direct drive wind and wave energy applications
... C-GEN permanent magnet (PM) generator technology consists of a double sided permanent magnet rotor sandwiching an air-cored ...each magnet pair is modified into a c-core as shown in ...
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Design of a Stator Permanent Magnet Transverse Flux Machine for Direct-drive Application.
... Using ferrite magnets in any TFM topology is challenging, because the low residual flux density of ferrite magnets requires a magnetic circuit design with flux focusing. Radial-flux PMSMs with ferrite magnets usually ...
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SIMULATION OF MPC BASED SPEED CONTROL OF PERMANENT MAGNET SYNCHRONOUS MOTOR DRIVE
... Generally, electrics devices need alternating current. But PV generators provide direct current. So, it is necessary to use inverters. Multilevel inverters seem very suitable for this task. In this paper, we ...
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Torque Ripple Minimization of Matrix Converter-Fed PMSM Drives Using Advanced Direct Torque Control
... advanced direct torque control (DTC) technique using Model predictive control (MPC) is proposed for matrix converter (MC)-based permanent-magnet synchronous motor (PMSM) drive system, which ...
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Magnetically Levitated Linear Drive with Repulsive Magnetic Guidance
... Linear direct drives are often used when high performance is required, because of their high dynamic and their good position ...Usually direct drives are used with linear rolling ...linear direct ...
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Adaptive Voltage-based Control of Direct-drive Robots Driven by Permanent Magnet Synchronous Motors
... the permanent magnet motors has been ...of direct-drive robots driven by permanent magnet synchronous motors has been ...with direct-drive robots in performing high ...
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