{"id":4913,"date":"2020-05-17T15:25:45","date_gmt":"2020-05-17T13:25:45","guid":{"rendered":"http:\/\/www.inst-sim.com\/1\/?p=4913"},"modified":"2021-09-10T14:22:34","modified_gmt":"2021-09-10T12:22:34","slug":"matching-motors-to-loads","status":"publish","type":"post","link":"https:\/\/www.inst-sim.com\/1\/other\/matching-motors-to-loads\/","title":{"rendered":"\u062a\u0648\u0641\u064a\u0642 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0645\u0639 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 Matching Motors to loads"},"content":{"rendered":"
\u00a0\"\"<\/div>\n
.<\/div>\n
\"\"<\/div>\n
\u0625\u0639\u062f\u0627\u062f \u0645. \u0645\u062d\u0645\u062f \u062d\u0633\u0646 \u0645\u063a\u0627\u0632\u064a<\/span><\/div>\n
<\/div>\n
\u0628\u0645\u0639\u0631\u0641\u0629 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a “\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0645\u062a\u0648\u0644\u062f \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 Motor<\/span>\u00a0\u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0633\u0631\u0639\u0629” \u0648\u0643\u0630\u0644\u0643 \u0628\u0645\u0639\u0631\u0641\u0629 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 “\u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0633\u0631\u0639\u0629” \u060c \u064a\u062a\u0645 \u062a\u0648\u0641\u064a\u0642 \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0645\u0639 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628.<\/div>\n
.<\/div>\n
\u0648\u0644\u0643\u064a \u064a\u062a\u0645 \u0630\u0644\u0643 \u062f\u0639\u0646\u0627 \u0646\u062a\u0639\u0631\u0641 \u0639\u0644\u064a \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0648\u0643\u064a\u0641\u064a\u0629 \u062a\u063a\u064a\u064a\u0631\u0647\u0627 \u0648\u0643\u0630\u0644\u0643 \u0645\u0639\u0631\u0641\u0629 \u062a\u0635\u0631\u0641 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0628\u0632\u064a\u0627\u062f\u0629 \u0633\u0631\u0639\u062a\u0647\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062a\u0639\u0631\u0641 \u0639\u0644\u064a \u062e\u0635\u0627\u0626\u0635\u0647\u0627 \u0648\u0630\u0644\u0643 \u0646\u0648\u062c\u0632\u0647 \u0641\u064a\u0645\u0627 \u064a\u0644\u064a:<\/div>\n
.<\/div>\n

\u0623\u0648\u0644\u0627\u064b : \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a<\/span><\/h2>\n
.<\/div>\n

I. \u0645\u0646\u062d\u0646\u064a \u0627\u0644\u0639\u0632\u0645 \u2013 \u0627\u0644\u0633\u0631\u0639\u0629 Torque-speed Curve<\/span><\/h3>\n
<\/div>\n
\"\"<\/div>\n
Figure 1: typical Torque-speed curve of 3-phase AC induction motor<\/span><\/div>\n
.<\/div>\n
\u064a\u0646\u0642\u0633\u0645 \u0645\u0646\u062d\u0646\u064a \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0645\u062a\u0648\u0644\u062f \u0641\u064a \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0625\u0644\u064a \u0645\u0646\u0637\u0642\u062a\u064a\u0646 \u0647\u0645\u0627:<\/strong><\/div>\n
.<\/div>\n
\u0623\u200c. \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u064a : \u0648\u0647\u064a \u0645\u0646 \u0628\u062f\u0627\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0648\u062d\u062a\u064a \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0623\u0642\u0635\u064a Pull-out Torque<\/span> \u0623\u0648 Breakdown Torque<\/span> \u0648\u062a\u0633\u0645\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0646\u0637\u0642\u0629 “\u0645\u0646\u0637\u0642\u0629 \u0639\u062f\u0645 \u0627\u0644\u0625\u0633\u062a\u0642\u0631\u0627\u0631 Unstable Zone<\/span>” \u060c \u0648\u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0625\u0630\u0627 \u062a\u0642\u0627\u0637\u0639 \u0645\u0646\u062d\u0646\u064a \u0639\u0632\u0645 \u0627\u0644\u062d\u0645\u0644 \u0645\u0639 \u0633\u0631\u0639\u062a\u0647 \u0641\u0625\u0646 \u0647\u0630\u0627 \u0627\u0644\u0648\u0636\u0639 \u0644\u0627 \u064a\u062d\u062f\u062b \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0639\u0646\u062f \u0647\u0630\u0647 \u0627\u0644\u0646\u0642\u0637\u0629 \u0644\u0623\u0646\u0647 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629 \u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062d\u0648\u0628 (\u0628\u0627\u0644\u0623\u0645\u0628\u064a\u0631) \u0623\u0643\u0628\u0631 \u0645\u0646 \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0644\u0644\u0645\u062d\u0631\u0643 \u0648\u064a\u0643\u0648\u0646 \u0633\u0628\u0628\u0627\u064b \u0641\u064a \u0641\u0635\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 \u0628\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 Overload or Over Current<\/span> .<\/div>\n
.<\/div>\n
\u0628\u200c. \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 : \u0648\u0647\u064a \u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0625\u0633\u062a\u0642\u0631\u0627\u0631 \u0648\u062a\u0628\u062f\u0623 \u0645\u0646 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0623\u0642\u0635\u064a \u0648\u062d\u062a\u064a \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 (100 % \u0645\u0646 \u0627\u0644\u0633\u0631\u0639\u0629) \u060c \u0648\u062a\u0633\u0645\u064a \u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0625\u0633\u062a\u0642\u0631\u0627\u0631 Stable Zone<\/span> .<\/div>\n
.<\/div>\n
\u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u062a\u062e\u062a\u0644\u0641 \u0628\u0627\u062e\u062a\u0644\u0627\u0641 \u0639\u062f\u062f \u0627\u0644\u0623\u0642\u0637\u0627\u0628 \u0648\u062a\u0643\u0648\u0646 \u0647\u0630\u0647 \u0627\u0644\u0633\u0631\u0639\u0629 = 3000 \u0644\u0641\u0629\/\u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0645\u062d\u0631\u0643 \u0630\u064a \u0632\u0648\u062c \u0648\u0627\u062d\u062f \u0645\u0646 \u0627\u0644\u0623\u0642\u0637\u0627\u0628 (\u0623\u064a \u0639\u062f\u062f 2 \u0642\u0637\u0628). \u0648\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u062d\u0631\u0643 \u0630\u0648 \u0632\u0648\u062c\u064a\u0646 \u0645\u0646 \u0627\u0644\u0623\u0642\u0637\u0627\u0628 (\u0623\u064a \u0639\u062f\u062f 4 \u0623\u0642\u0637\u0627\u0628) \u062a\u0643\u0648\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u0644\u0647 = 1500 \u0644\u0641\u0629\/\u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u060c \u0648\u0647\u0643\u0630\u0627.<\/div>\n
.<\/div>\n
\u0648\u062a\u062d\u0643\u0645 \u0647\u0630\u0647 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/div>\n
<\/div>\n
f \u00a0= (PN)\/60 \u00a0 \u00a0 – – – – – – (1)<\/span><\/div>\n
.<\/div>\n
\u062d\u064a\u062b \u0623\u0646 :<\/div>\n
.<\/div>\n
    \n
  • \u00a0f<\/span> \u0647\u064a \u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0647\u0648 \u0641\u064a \u062d\u0627\u0644\u062a\u0646\u0627 \u0647\u0630\u0647 = 50 \u0647\u0631\u062a\u0632.<\/li>\n<\/ul>\n
    .<\/div>\n
      \n
    • P<\/span> \u0647\u064a \u0639\u062f\u062f \u0623\u0632\u0648\u0627\u062c \u0627\u0644\u0623\u0642\u0637\u0627\u0628.<\/li>\n<\/ul>\n
      .<\/div>\n
        \n
      • N<\/span> \u0647\u064a \u0627\u0644\u0633\u0631\u0639\u0629 \u0645\u0642\u062f\u0631\u0629 (\u0644\u0641\u0629\/\u0627\u0644\u062f\u0642\u064a\u0642\u0629) \u0623\u064a RPM<\/span> .<\/li>\n<\/ul>\n
        .<\/div>\n
        \u0648\u0628\u0627\u0644\u0646\u0638\u0631 \u0625\u0644\u064a \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0645\u062d\u0631\u0643 \u0646\u062c\u062f \u0647\u0646\u0627\u0643 \u062e\u0645\u0633\u0629 \u0646\u0642\u0627\u0637 \u0645\u0645\u064a\u0632\u0629 \u0644\u0644\u0645\u062d\u0631\u0643 \u0648\u0647\u064a \u0643\u0627\u0644\u0622\u062a\u064a:<\/strong><\/div>\n
        .<\/div>\n
        1. \u0646\u0642\u0637\u0629 \u0628\u062f\u0627\u064a\u0629 \u0639\u0632\u0645 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 Starting Torque <\/span>\u0623\u0648 Locked Rotor Torque<\/span> .<\/div>\n
        <\/div>\n
        2. \u0646\u0642\u0637\u0629 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0623\u0635\u063a\u0631 \u0623\u0648 \u0645\u0627 \u064a\u0633\u0645\u064a Pull-up Torque<\/span> \u060c \u0648\u0647\u064a \u0646\u0642\u0637\u0629 \u0627\u0644\u0623\u0635\u063a\u0631 \u0641\u064a \u0627\u0644\u0645\u0646\u062d\u0646\u064a.<\/div>\n
        <\/div>\n
        3. \u0646\u0642\u0637\u0629 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0623\u0643\u0628\u0631 \u0644\u0644\u0645\u0646\u062d\u0646\u064a \u0623\u0648 \u0645\u0627 \u064a\u0633\u0645\u064a Pull-out Torque<\/span> \u0623\u0648 Break Down Torque <\/span>\u060c \u0648\u0647\u0630\u0647 \u0627\u0644\u0646\u0642\u0637\u0629 \u0647\u064a \u0627\u0644\u062a\u064a \u062a\u0641\u0635\u0644 \u0645\u0627\u0628\u064a\u0646 \u0627\u0644\u0645\u0646\u0637\u0642\u062a\u064a\u0646 \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629 \u0648\u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629.<\/div>\n
        <\/div>\n
        4. \u0646\u0642\u0637\u0629 \u062a\u0639\u0627\u062f\u0644 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0645\u062a\u0648\u0644\u062f \u0645\u0646 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0639 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u060c \u0648\u062a\u0633\u0645\u064a Rated Torque<\/span> \u0623\u0648 Normal Torque<\/span> \u060c \u0648\u0647\u0630\u0627 \u0627\u0644\u0639\u0632\u0645 \u0647\u0648 \u0627\u0644\u0645\u0643\u062a\u0648\u0628 \u0639\u0644\u064a \u0644\u0648\u062d\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643 Motor Name Plate<\/span> \u060c \u0648\u064a\u0637\u0644\u0642 \u0639\u0644\u064a\u0647 Rated Torque<\/span> \u0623\u0648 Rated Full Load<\/span> Torque<\/span> .<\/div>\n
        <\/div>\n
        5. \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u062e\u0627\u0645\u0633\u0629 \u0648\u0627\u0644\u0623\u062e\u064a\u0631\u0629 \u060c \u0648\u0647\u064a \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u0627\u0644\u062a\u064a \u064a\u062f\u0648\u0631 \u0628\u0647\u0627 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0645\u062a\u062d\u0631\u0643 Rotor<\/span> \u060c \u0648\u064a\u0643\u0648\u0646 \u0639\u0646\u062f\u0647\u0627 \u0633\u0631\u0639\u0629 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0645\u062a\u062d\u0631\u0643 = \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0632\u0627\u0645\u0646\u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0645\u062a\u0648\u0644\u062f \u064a\u0643\u0648\u0646 = \u0635\u0641\u0631\u0627\u064b\u060c \u0648\u064a\u0633\u062d\u0628 \u0639\u0646\u062f\u0647\u0627 \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0644\u0627\u0632\u0645 \u0644\u0644\u0645\u0641\u0627\u0642\u064a\u062f \u0627\u0644\u062b\u0627\u0628\u062a\u0629 \u0644\u0644\u0645\u062d\u0631\u0643 \u0623\u0648 \u0645\u0627 \u064a\u0633\u0645\u064a \u0628\u0640\u0645\u0641\u0627\u0642\u064a\u062f \u0627\u0644\u0644\u0627\u062d\u0645\u0644 No Load Losses<\/span> .<\/div>\n
        <\/div>\n
        \u0648\u0625\u0630\u0627 \u062a\u0645 \u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 \u0628\u062d\u0645\u0644 \u0645\u0627 \u060c \u0641\u0625\u0646 \u0633\u0631\u0639\u062a\u0647 \u062a\u062a\u0623\u062e\u0631 \u0639\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0631\u0632\u0627\u0645\u0646 \u0641\u064a\u0645\u0627 \u064a\u0639\u0631\u0641 \u0628\u0640 “\u0627\u0644\u062a\u0632\u062d\u0644\u0642 Slip<\/span>” \u0648\u0642\u064a\u0645\u062a\u0647 \u062a\u0633\u0627\u0648\u064a:<\/div>\n
        .<\/div>\n
        (2)- – – – – – –\"\"<\/div>\n
        .<\/div>\n
        \u0644\u0630\u0644\u0643 \u064a\u0643\u0648\u0646 \u0645\u0643\u062a\u0648\u0628 \u0639\u0644\u064a \u0644\u0648\u062d\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643 Motor Name Plate<\/span> \u0633\u0631\u0639\u0629 \u0623\u0642\u0644 \u0645\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u060c \u0623\u064a \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0633\u0631\u0639\u0629 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u0645\u062d\u0633\u0648\u0628\u0629 \u0645\u0646 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0631\u0642\u0645 (1) \u062a\u0633\u0627\u0648\u064a 3000 \u0644\u0641\u0629\/\u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u060c \u0641\u0625\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u062a\u0643\u0648\u0646 \u062d\u0648\u0627\u0644\u064a 2850 \u0644\u0641\u0629\/\u0627\u0644\u062f\u0642\u064a\u0642\u0629 “\u0645\u062b\u0644\u0627\u064b” \u060c \u0648\u062a\u0643\u0648\u0646 S \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629:<\/div>\n
        .<\/div>\n
        \"\"<\/div>\n
        .<\/div>\n
        \u0648\u064a\u0645\u0643\u0646 \u062a\u063a\u064a\u064a\u0631 \u0647\u0630\u0627 \u0627\u0644\u0645\u0646\u062d\u0646\u064a \u0644\u0644\u0645\u062d\u0631\u0643 \u0628\u0648\u0627\u0633\u0637\u0629 \u0639\u0645\u0644 \u062a\u062c\u0627\u0648\u064a\u0641 \u0641\u064a \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0645\u062a\u062d\u0631\u0643 \u0648\u0645\u0644\u0626\u0647\u0627 \u0628\u0642\u0636\u0628\u0627\u0646 \u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u062d\u0633\u0628 \u0627\u0644\u0623\u0646\u0645\u0627\u0637 \u0627\u0644\u0622\u062a\u064a\u0629 \u0648\u0627\u0644\u062a\u064a \u062d\u062f\u062f\u062a\u0647\u0627 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0648\u0627\u0644\u0645\u0633\u0645\u0627\u0647 \u0628\u0640\u0640\u0640 National Electrical Manufacturers Association NAMA<\/span> \u0637\u0628\u0642\u0627\u064b \u0644\u0644\u0622\u062a\u064a:<\/div>\n
        .<\/div>\n
        \"\"<\/div>\n
        Figure 2 : Torque-Speed Curves of Different Nema Standard Motors<\/span><\/div>\n
        .<\/div>\n
        \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0623\u0648\u0644 : \u0648\u0647\u0648 \u0645\u0627 \u064a\u0631\u0645\u0632 \u0644\u0647 \u0628\u0627\u0644\u0631\u0645\u0632 A<\/span> \u0648\u0647\u0648 \u064a\u062a\u0645\u064a\u0632 \u0628\u0639\u0632\u0645 \u0628\u062f\u0621 Starting Torque<\/span> \u0645\u0639\u062a\u0627\u062f \u064a\u0639\u0627\u062f\u0644 \u0645\u0646 150 \u2013 170 % \u0645\u0646 \u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0645\u0639\u062a\u0627\u062f \u060c \u0648\u062a\u064a\u0627\u0631 \u0628\u062f\u0621 \u0639\u0627\u0644\u064a \u0648\u0627\u0644\u0639\u0632\u0645 \u0627\u0644\u0623\u0642\u0635\u064a \u0647\u0648 \u0623\u0643\u0628\u0631 \u0639\u0632\u0645 \u0641\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 NEMA<\/span> \u060c \u0648\u0643\u0630\u0644\u0643 \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0632\u062d\u0644\u0642 S<\/span> \u062a\u0643\u0648\u0646 \u0641\u064a \u062d\u062f\u0648\u062f \u0623\u0642\u0644 \u0645\u0646 5 % .<\/div>\n
        .<\/div>\n
        S\u22645 %<\/span><\/div>\n
        .<\/div>\n
        \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u062b\u0627\u0646\u064a : \u0648\u0647\u0648 \u0645\u0627 \u064a\u0631\u0645\u0632 \u0644\u0647 \u0628\u0627\u0644\u0631\u0645\u0632 B<\/span> \u0648\u0647\u0648 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0623\u0643\u062b\u0631 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u064b Common Used<\/span> \u0648\u0639\u0632\u0645 \u0627\u0644\u0628\u062f\u0621 \u0644\u0647 \u0623\u0643\u0628\u0631 \u0642\u0644\u064a\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0633\u0627\u0628\u0642 A<\/span> \u060c \u0648\u0644\u0643\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621 \u0644\u0647 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0633\u0627\u0628\u0642 A<\/span> \u060c \u0648 \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0632\u062d\u0644\u0642 S<\/span> \u0644\u0647 \u062a\u0643\u0648\u0646 \u0641\u064a \u062d\u062f\u0648\u062f % S \u2264 5<\/span> \u060c \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a\u0647 \u062a\u0643\u0648\u0646 \u0641\u064a \u0627\u0644\u0645\u0631\u0627\u0648\u062d \u0648\u0627\u0644\u0637\u0644\u0645\u0628\u0627\u062a \u0648\u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u064a\u0629 \u0623\u0648 \u0627\u0644\u0639\u062f\u0629 Machine Tools<\/span> .<\/div>\n
        .<\/div>\n
        \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u062b\u0627\u0644\u062b : \u0648\u0647\u0648 \u0645\u0627 \u064a\u0631\u0645\u0632 \u0644\u0647 \u0628\u0627\u0644\u0631\u0645\u0632 C<\/span> \u0648\u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0644\u0647 \u0639\u0632\u0645 \u0628\u062f\u0621 \u0623\u0643\u0628\u0631 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639\u064a\u0646 \u0627\u0644\u0633\u0627\u0628\u0642\u064a\u0646 \u064a\u0635\u0644 \u0625\u0644\u064a 200 % \u0645\u0646 \u0639\u0632\u0645 \u0627\u0644\u0628\u062f\u0621 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0646\u0648\u0639\u064a\u0646 \u0627\u0644\u0633\u0627\u0628\u0642\u064a\u0646 \u060c \u0648\u0644\u0630\u0644\u0643 \u064a\u0643\u0648\u0646 \u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628 \u0625\u062f\u0627\u0631\u062a\u0647\u0627 \u0639\u0632\u0645 \u0628\u062f\u0621 \u0639\u0627\u0644\u064a \u060c \u0645\u062b\u0644 \u0627\u0644\u0633\u064a\u0648\u0631 \u0627\u0644\u0646\u0627\u0642\u0644\u0629 Conveyors<\/span> \u0648\u0627\u0644\u0643\u0633\u0627\u0631\u0627\u062a Crushers<\/span> \u0648\u0622\u0644\u0627\u062a \u0627\u0644\u062a\u062d\u0631\u064a\u0643 Stirring Machines<\/span> \u0648\u0627\u0644\u062e\u0644\u0627\u0637\u0627\u062a Agitators<\/span> \u0648\u0627\u0644\u0645\u0636\u062e\u0627\u062a \u0627\u0644\u062a\u0631\u062f\u062f\u064a\u0629 Reciprocating Pumps<\/span> \u0648\u0627\u0644\u0636\u0648\u0627\u063a\u0637 \u060c \u0648\u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u0632\u062d\u0644\u0642 \u0641\u064a \u062d\u062f\u0648\u062f % S \u2264 5<\/span> .<\/div>\n
        .<\/div>\n
        \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0631\u0627\u0628\u0639 \u0648\u0627\u0644\u0623\u062e\u064a\u0631 D<\/span> : \u0648\u0647\u0648 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0630\u064a \u064a\u0643\u0648\u0646 \u0641\u064a\u0647 \u0639\u0632\u0645 \u0627\u0644\u0628\u062f\u0621 \u0639\u0627\u0644\u064a \u062c\u062f\u0627\u064b \u060c \u0623\u0639\u0644\u064a \u0645\u0646 \u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u062b\u0644\u0627\u062b\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629 \u060c \u0648\u0643\u0630\u0644\u0643 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062d\u0648\u0628 \u0641\u064a \u062d\u0627\u0644\u062a\u064a \u0627\u0644\u0628\u062f\u0621 \u0648\u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0639\u0646\u062f \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u064a\u0643\u0648\u0646 \u0623\u0642\u0644 \u060c \u0648\u0644\u0643\u0646 \u0627\u0644\u062a\u0632\u062d\u0644\u0642 S<\/span> \u0643\u0628\u064a\u0631 (% S = (5 % – 13 <\/span>\u060c \u0648\u064a\u0643\u0648\u0646 \u0647\u0630\u0627 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062a\u064a \u062a\u063a\u064a\u064a\u0631 \u0642\u064a\u0645\u0629 \u0639\u0632\u0645\u0647\u0627 \u0628\u0633\u0631\u0639\u0629 \u0648\u064a\u062a\u0628\u0639\u0647\u0627 \u062a\u063a\u064a\u0631 \u0641\u064a \u0633\u0631\u0639\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u060c \u0645\u062b\u0644 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062a\u064a \u0644\u0647\u0627 \u062d\u062f\u0627\u0641\u0629 Energy Storage Flyweels<\/span> \u0648\u0622\u0644\u0627\u062a \u0627\u0644\u0642\u0635 Shears<\/span> \u0648\u0627\u0644\u0645\u0635\u0627\u0639\u062f Elevators<\/span> \u0648\u0627\u0644\u0628\u0648\u0627\u062b\u0642 Extractors<\/span> \u0648\u0627\u0644\u0623\u0648\u0646\u0627\u0634 Winches<\/span> \u0648\u0645\u0636\u062e\u0627\u062a \u0622\u0628\u0627\u0631 \u0627\u0644\u0646\u0641\u0637 Oil-well Pumps<\/span> \u0648\u0622\u0644\u0627\u062a \u0633\u062d\u0628 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 Wire-Drawing<\/span> \u060c \u0648\u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 D<\/span> \u064a\u0637\u0644\u0628 \u062e\u0635\u064a\u0635\u0627\u064b \u0628\u0637\u0644\u0628 \u0627\u0644\u0634\u0631\u0627\u0621.<\/div>\n
        .<\/div>\n
        \n\n\n\n\n\n\n\n
        \n

        Design<\/strong><\/p>\n<\/td>\n

        		\n

        Slip, %<\/strong><\/p>\n<\/td>\n<\/tr>\n

        \n

        A<\/p>\n<\/td>\n

        		\n

        Less than 5<\/p>\n<\/td>\n<\/tr>\n

        \n

        B<\/p>\n<\/td>\n

        		\n

        Less than 5<\/p>\n<\/td>\n<\/tr>\n

        \n

        C<\/p>\n<\/td>\n

        		\n

        Less than 5<\/p>\n<\/td>\n<\/tr>\n

        \n

        D<\/p>\n<\/td>\n

        		\n

        5 or more<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        \u062c\u062f\u0648\u0644 \u0631\u0642\u0645 (1) : \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0632\u062d\u0644\u0642 \u0644\u0643\u0644 \u062a\u0635\u0645\u064a\u0645<\/span><\/div>\n
        .<\/div>\n
        \u0641\u064a\u0645\u0627 \u064a\u0644\u064a \u062c\u062f\u0648\u0644 \u0631\u0642\u0645 (2) \u0644\u0647\u0630\u0647 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0645\u0646 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0648\u0627\u0644\u0625\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0647\u0627 \u060c \u0648\u064a\u062d\u062f\u062f \u062a\u0635\u0645\u064a\u0645 \u0647\u0630\u0647 \u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0639\u0644\u064a \u0644\u0648\u062d\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643 Motor Name Plate<\/span> \u062a\u062d\u062a \u0627\u0633\u0645 Design Letter<\/span> \u0623\u064a \u062d\u0631\u0641 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 A<\/span>, B<\/span>, C<\/span> and D<\/span> .<\/div>\n
        .<\/div>\n
        \n\n\n\n\n\n\n\n
        Design<\/strong><\/td>\nStarting Torque<\/strong><\/td>\nStarting Current<\/strong><\/td>\nMax Torque<\/strong><\/td>\nFull load slip<\/strong><\/td>\nApplications<\/strong><\/td>\n<\/tr>\n
        A<\/td>\n1.5 \u2013 1.75<\/td>\n5 – 8<\/td>\n2 \u2013 2.5<\/td>\n2 % – 5 %<\/td>\nGeneral-purpose motor \u2013 Fan \u2013 Blower \u2013 Most machinery Tools<\/td>\n<\/tr>\n
        B<\/td>\n1.5 \u2013 1.75<\/td>\n4.5 – 5<\/td>\n2 \u2013 3<\/td>\n3 % – 6 %<\/td>\nNearly as A<\/td>\n<\/tr>\n
        C<\/td>\n2 \u2013 2.5<\/td>\n3.5 – 5<\/td>\n1.9 \u2013 2.25<\/td>\n4 % – 8 %<\/td>\nUsed in conveyers – Compressors<\/td>\n<\/tr>\n
        D<\/td>\n2.75 – 3<\/td>\n3 – 8<\/td>\n2.75<\/td>\n7 % – 7 %<\/td>\n\n

        High inertia Load<\/p>\n

        Low Efficiency<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        \u062c\u062f\u0648\u0644 \u0631\u0642\u0645 (2)<\/span><\/div>\n
        .<\/div>\n
        \"\"<\/div>\n
        Figure 3: A typical name plate on an AC induction motor<\/span><\/div>\n
        .<\/div>\n
        \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
        Term<\/strong><\/td>\nDescription<\/strong><\/td>\n<\/tr>\n<\/thead>\n
        Volts<\/td>\nRated terminal supply voltage.<\/td>\n<\/tr>\n
        Amps<\/td>\nRated full-load supply current.<\/td>\n<\/tr>\n
        H.P.<\/td>\nRated motor output.<\/td>\n<\/tr>\n
        R.P.M<\/td>\nRated full-load speed of the motor.<\/td>\n<\/tr>\n
        Hertz<\/td>\nRated supply frequency.<\/td>\n<\/tr>\n
        Frame<\/td>\nExternal physical dimension of the motor based on the NEMA standards.<\/td>\n<\/tr>\n
        Duty<\/td>\nMotor load condition, whether it is continuos load, short time, periodic, etc.<\/td>\n<\/tr>\n
        Date<\/td>\nDate of manufacturing.<\/td>\n<\/tr>\n
        Class Insulation<\/td>\nInsulation class used for the motor construction. This specifies max. limit of the motor winding temperature.<\/td>\n<\/tr>\n
        NEMA Design<\/td>\nThis specifies to which NEMA design class the motor belongs to.<\/td>\n<\/tr>\n
        Service Factor<\/td>\nFactor by which the motor can be overloaded beyond the full load.<\/td>\n<\/tr>\n
        NEMA Nominal Efficiency<\/td>\nMotor operating efficiency at full load.<\/td>\n<\/tr>\n
        PH<\/td>\nSpecifies number of stator phases of the motor.<\/td>\n<\/tr>\n
        Pole<\/td>\nSpecifies number of poles of the motor.<\/td>\n<\/tr>\n
        \"\"<\/td>\nSpecifies the motor safety standard.<\/td>\n<\/tr>\n
        Y<\/td>\nSpecifies whether the motor windings are start (Y) connected or delta (\u0394) connected.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
        Table 3: Name Plate Terms and Their Meanings<\/span><\/div>\n
        .<\/div>\n
        \n
        \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u062a\u0627\u0644\u064a \u0631\u0642\u0645 (4) \u064a\u0648\u0636\u062d \u0647\u0630\u0647 \u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0639\u0644\u064a \u0627\u0644\u0639\u0636\u0648 \u0627\u0644\u062f\u0648\u0627\u0631 Rotor<\/span> \u0645\u0646 \u0627\u0644\u0645\u062d\u0631\u0643 \u060c \u0648\u064a\u0643\u0648\u0646 \u0645\u0643\u062a\u0648\u0628 \u0639\u0644\u064a \u0644\u0648\u062d\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643 Motor Name Plate<\/span> \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0639\u0644\u064a \u0627\u0644\u0645\u062d\u0631\u0643 \u0625\u0645\u0627 \u062d\u0631\u0641 A<\/span> \u0623\u0648 B<\/span> \u0623\u0648 C<\/span> \u0623\u0648 D<\/span> \u062a\u062d\u062a \u0627\u0633\u0645 Design Letter<\/span> .<\/div>\n<\/div>\n
        .<\/div>\n
        \"\"<\/div>\n
        \n
        Figure 4 : Squirrel-cage rotor-bar cross section to produce NEMA design-class characteristics<\/span><\/div>\n<\/div>\n
        .<\/div>\n
        \u064a\u0645\u0643\u0646 \u062d\u0633\u0627\u0628 \u0627\u0644\u0639\u0632\u0645 (\u0646\u064a\u0648\u062a\u0646.\u0645\u062a\u0631) \u0645\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 Hourse Power<\/span> \u0645\u0642\u062f\u0631\u0627\u064b \u0628\u0640\u0640 K.W<\/span> \u0648\u0627\u0644\u0633\u0631\u0639\u0629 \u0645\u0642\u062f\u0631\u0629 \u0628\u0640\u0640\u0640 RPM<\/span> \u0645\u0646 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/div>\n
        .<\/div>\n
        (3)- – – – – – – – –\"\"<\/div>\n
        \n
        .<\/div>\n
        \u062d\u064a\u062b \u0623\u0646:<\/div>\n<\/div>\n
        .<\/div>\n