From 07466ce8a9725dc58221a2a26c6c61a2a34440c0 Mon Sep 17 00:00:00 2001 From: Alvie Rahman Date: Mon, 24 Apr 2023 22:55:25 +0100 Subject: [PATCH] notes on ac motors --- .../2051_electromechanical_devices/ac_motors.md | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100755 uni/mmme/2051_electromechanical_devices/ac_motors.md diff --git a/uni/mmme/2051_electromechanical_devices/ac_motors.md b/uni/mmme/2051_electromechanical_devices/ac_motors.md new file mode 100755 index 0000000..958b834 --- /dev/null +++ b/uni/mmme/2051_electromechanical_devices/ac_motors.md @@ -0,0 +1,17 @@ +--- +author: Akbar Rahman +date: \today +title: MMME2051 // AC Motors +tags: [ ac, alternating_current, motors ] +uuid: 17c379b9-81ad-44d3-bfb2-9cf01c0b7ed4 +lecture_slides: [ ./lecture_slides/MMME2051EMD_Lecture3B.pdf ] +lecture_notes: [] +exercise_sheets: [ ./exercise_sheets/Exercise Sheet 5 - Induction motors.pdf, ./exercise_sheets/Exercise Sheet 5 - Induction motors - SOLUTION.pdf ] +--- + +In exercise sheets for 3 phase, the voltage given is RMS line voltage. + +For starting torque, slip, $s=1$. + +When solving for slip at a given torque by forming a quadratic equation, +note that solution where $s>a$ are unstable.