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Copy of Cond Losses verify PMSM 7R8 - V2 - on Tue, 01/09/2024 - 14:07

John.Neeko.Garlitos
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Copy of ServoDC_PID_continuo - on Sun, 01/07/2024 - 23:01

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Copy of IAN50004_Using power MOSFETs in DC motor control applications (DC Voltage & Motor) - on Sun, 12/17/2023 - 16:50

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Copy of PMSM Motor and PWM Drive - on Fri, 12/15/2023 - 17:08

ALPS_TOYAMA
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Description

<p>Permanent Magnet Synchronous Machine (PMSM) and PWM Drive circuit, with mechanical load. The drive includes a D-Q control algorithm, and uses space-vector modulation (SVM) to generate the digital PWM signals to the switches of the bridge.</p>

<p>The waveform plot in the upper left shows the drive command (light blue waveform), with values 0 to 1, where 1 is commanding the maximum quadrature current of 10 A. The motor's response is the output shaft angle in radians (orange waveform), and shows that increasing torque command results in greater rotational displacement against the load spring. The waveform plot in the upper right shows the actual motor torque (green waveform) and the A-phase current (dark blue waveform).</p>

<p>In a companion version of this design, "PMSM Motor And Ideal Drive", Clarke and Park Transform models are used with a continuous ideal voltage drive.This shows the ability to develop motor control and drives at the abstract level and at the circuit level.</p>

<p>In yet another version of this design example, the ideal switches will be replaced with actual power MOSFET device models. This can help in bridge component sizing and performance specification.</p>

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Copy of Power PWM driver with voltage controlled current source - on Wed, 11/29/2023 - 15:00

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Description

<p>Power PWM driver with voltage controlled current source for driving/suppling pulse transformer.</p>

<p>Pulse transformer parameters:</p>

<p>1. INPUT COIL:</p>

<p>1.1. fi wire enamelled winding = 0,35 mm (from pulse transformer datasheet)</p>

<p>1.2. wire enamelled winding length = 0,400 m = 400 mm (calculated)</p>

<p>1.3. N = 2 x 12 scrolls (from pulse transformer datasheet)</p>

<p>1.4. R = 0,11 Ohms (parallel 2 x 0,22 Ohms) (measured and/equal calculated</p>

<p>1.5. H = 47,52 uH (from pulse transformer datasheet)</p>

<p>1.6. U = 3,5 - 15 V DC (from pulse transformer datasheet)</p>

<p>2. OUTPUT COIL:</p>

<p>2.1. fi wire enamelled winding = 0,15 mm (from pulse transformer datasheet)</p>

<p>2.2. N = 1 x 300 scrolls (from pulse transformer datasheet)</p>

<p>2.3. R = 10,6 Ohms (measured)</p>

<p>2.4. U = 400 V DC (after diode one-half rectifier and C filter) (from pulse transformer datasheet)</p>

<p>3. OTHER</p>

<p>3.1. voltage insulation test at 1 kV (from pulse transformer datasheet)</p>

<p>3.2. dedicated frequency 33 kHz (from pulse transformer datasheet)</p>

<p>3.3. recommended driver IC ON Semiconductor MC34063 (1.5 A, Step-Up/Down/Inverting Switching Regulators) (from pulse transformer datasheet)</p>

<p>Parameters to reach:</p>

<p>1. PWM frequency: from 1 kHz to 75/100 kHz</p>

<p>2. PWM Duty Cycle: from 5 % to 95 %</p>

<p>3. Current: from 5/10 mA DC to 1000/2000 mA DC</p>

<p>4. PWM control voltage: from 0 V DC to 3.0 V DC or from 0 V DC to 3.3 V DC (whatever for now)</p>

<p>5. Current source voltage: from 0.1 V DC to +3.3/5.0 V DC</p>

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Copy of Fan System with 3-Phase Induction Motor and Power MOSFET Drive - on Thu, 10/26/2023 - 19:57

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IM_ideal

daniel.kienemund
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IM_non_ideal

daniel.kienemund
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Copy of BLDC v2 - on - on Tue, 10/10/2023 - 09:49

John.Neeko.Garlitos
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Copy of BLDC v2 - on Mon, 10/09/2023 - 21:52

John.Neeko.Garlitos
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