Rare earth magnet motor generator,earthquake kits for toddlers uk,survival guide economic collapse videos,what is my national geographic account number - You Shoud Know

Rare-Earth Permanent-Magnet dc servo motor, View Rare-Earth Permanent-Magnet dc servo motor, KEYA Product Details from Jinan Keya Electron Science And Technology Co., Ltd. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Permanent magnet AC motors are used by the vast majority of electric vehicle manufacturers.
Last year there was another good reason for electric vehicle manufactures to look at ac induction motors. The price rise has generated new interest in mining at locations in California, Nebraska, Malaysia, and Africa. The world’s largest refinery for rare-earth metals in Kuantan, Malaysia is approaching completion.
The rare-earth elements — neodymium or samarium in samarium-cobalt (SmCo5) magnets — are not as rare as the term suggests: samarium is the fortieth most abundant element in the earth’s crust, making it more common than tin, whereas neodymium is almost as abundant as copper.
Recently the aluminum rotor common in AC induction motors has been upgraded to copper, which reduces resistance and improves efficiency. The Tesla model Model S is powered by a transverse rear-mounted liquid-cooled AC induction motor capable of 16,000 rpm.
Other organizations have also been investigating automotive drive trains that minimize the use of rare-earth magnets. Another company involved in new, rare-earth free, motor technology is Nidec SR Drives Ltd  in the UK . The newest AC induction motors for standard industrial use, such as the Siemens NEMA three-phase SD100, include low friction bearings, copper rotors, innovative cooling methods, and precision air gaps. If you require further details regarding the transaction data, please contact the supplier directly. These motors have no magnets, and the rare-earth component of the magnets in PM motors suddenly got real expensive.
Developed in 1982 by General Motors and Sumitomo Special Metals, neodymium magnets are the strongest type of permanent magnet made, and neodymium and samarium are key elements to efficient PM motors.

The plant, which has the capacity to meet a fifth of the world’s demand, is awaiting a license to operate. It drives the rear wheels through a single-speed trans-axle with a 9.73-to-1 reduction that feeds an open differential. Sevcon is leading the collaborative project, with other participants being Cummins Generator Technologies and Newcastle University’s Power Electronics and Drives Research Group. Around one year ago Drive System Design (DSD) and Oxford, UK bases Yasa Motors introduced the Multi-Speed Traction System (MSYS) for electric vehicles that has a yokeless and segmented armature motor. These units provide efficiencies of 93.7% and the latest variable frequency controller technology holds this efficiency across a wide speed and load range while taking only 3% to 4% off of the efficiency number. Chinese producers of a number of “rare-earth” materials managed to capture 95% to 98% of the world market by making the stuff so inexpensive no one else could compete.
Now it has halved again — in September 2012 a kilogram of lanthanum could be picked up for $19.
Progress toward opening the plant has occurred despite street demonstrations over radiation concerns, regulatory challenges, and the withdrawal of a major equipment supplier worried about the safety of the refinery, which is being built by Lynas, an Australian company.
The company has come up with a proprietary method that it thinks is the answer to the toxic mess that’s part of rare-earth mining. It takes a rather complex speed-torque operational analysis to say for sure, but for sure they are close. The motor is a compact package that makes 362 horsepower in standard trim; with a Signature Performance variant good for 416 hp. The team is to develop a drive system based around advanced high torque density switched reluctance (SR) motors. This compact, lightweight (45 kg), integrated, three-speed system yields 60 kW continuous and about 200-Nm torque.
The rotor’s position relative to the stator is detected using a simple hardware sensor or by electronic sensorless means. With A Range Including Many Magnetic Based Products For Motors, Automives, Education, Energy, Experiments, Sound, & Industry.

Lynas has been trying for several years to find a site for the permanent disposal of the roughly 20,000 tons a year of low-level radioactive waste that will be produced, and is still struggling to do so. And, if they are correct, they may be up-dating this mining in such a way that could force Chinese competitors to improve the way they operate.
Over ?500,000 in matched funding has been received from the government-backed Technology Strategy Board (TSB) and the Department for Business Innovation and Skills (BIS). Spray test, pressure test, peeling off test and thickness test are applied in testing the coating film;4.
It is anticipated that the project should result in a drive system being ready for volume production within four years. By suitable timing of the stator excitation, the machine can operate as a motor or generator, with excellent efficiency over a wide range of speed and torque.
The choice of Strip casting and HDDR technology in our factory allows us to make high performance NdFeB over N52 possible. Surface treatments have been developed that allow the sintered NdFeB magnet to be used in most applications. Application: our products are widely used in aviation, spaceflight, electron, mechanism, meter and medical treatment, loudspeakers, sensors, motors, rotors, wind turbines, wind generators, magnetic hooks, magnetic holders, filters, toys and accessories, etc.
Our business strategy: Integrity, Innovation, Cooperation and Mutual benefit.Sincerely look forward to our business cooperation! All JF motors are protected with IP44 as a minimum .Higher levels of protection are available on request.

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