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Five new products passed technical appraisal
Time:2015-05-19   
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  On January 21, 2014, our company held a scientific and technological achievements and new products put into production appraisal meeting for TSK6300-4/1650G 10kV IP44 three-phase synchronous motor, YXKK400-4 series three-phase asynchronous motor, YR1250-12/1430G 6/10kV dual voltage double rotation direction S4 duty asynchronous motor, TMW2600-30/2900 10kV brushless excitation three-phase synchronous motor special used for mill, YLKS2300-12/1730 10kV IP54 vertical squirrel cage type three-phase asynchronous motor. 7 appraisal committee experts and relevant leaders of Shenyang Science & Technology Bureau Scientific & Technological Achievements Division, Shenyang Economy and Informatization Commission Technology Division attended the meeting.
  In the appraisal meeting, the experts inspected the production site and the test site and made on-site examination for the production equipment and testing capabilities and products of our company, listened to the introduction of the product design and development, reviewed the relevant technical documents. After question and discussion, they believed:
  TK6300-4/1650G 10kV IP44 three-phase synchronous motor adopted 4 poles solid pole rotor eddy current starting technique, decreased the starting circuit resistance, improved the input torque, ensured the starting requirements under the load condition; adopted "Γ" shape damping ring structure, improved the operation stability of the motor; adopted the structure of the rotor and shaft yoke integration, ensured reliable operation of high power and high speed. The product reached the leading domestic level of the similar products and could be put into mass production.
  YXKK400-4 series three-phase asynchronous motor adopted various technologies such as backward-inclined fan, hammer tensioning and medium frequency welding process. It improved the performance of the motor and the safety and reliability of the operation. The product has good features such as low loss, high efficiency, low noise, etc. The product reached the leading domestic level of the similar products.
  YR1250-12-1430G 1250kW 6-10kV dual voltage double rotation direction S4 duty asynchronous motor adopted various technology such as double voltage optional, shaft with low deflection and stator winding multiple insulation, convex combination, groove key stopping and interference connection, etc. So that the motor can suitable for two kinds of input voltage, frequent starting working on the S4 duty and stable torque output in case of reversing operation. The product reached the leading domestic level of the similar products.
  TMW2600-30/2900 10kV brushless excitation three-phase synchronous motor for mill adopted various technology such as air transfer through shaft hole, the whole forward for rotating rectifier and AC exciter, etc. It improved the starting performance of three-phase synchronous motor and the safety and reliability of the operation. The product has good features such as stable starting, little impact on the power supply, step starting with the load machine. The product reached the leading domestic level of the similar products.
  YLKS2300-12/1730 10kV vertical squirrel cage type three-phase asynchronous motor with large thrust bearing adopted the hammer tensioning technology and medium frequency welding process. It ensured the axial bearing capacity and stable operation and convenient to vertical installation. The product reached the leading domestic level of the similar products.
  The appraisal committee agreed that the design and development of these five new products were successful. They agreed to pass the appraisal of the scientific and technological achievements and new products put into production and the products could be put into mass production.
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