A DC motor is fed from a four-quadrant chopper having a DC input supply voltage of 600 V. Ifthe chopper operates with a 20 kHz switching frequency, calculate the value of the additionalseries motor inductor that is required in order to keep the maximum motor ripple current towithin 5% of its rated value - the rated motor torque is 10 Nm, and the motor torque constantis 1.1 Nm/A and the motor inductance is 20 mH.600VSolutionT = k· 1₂ ⇒ I⇒ Ripple =9.09120E=Ldidt600 L..=0.4545525.106101.1Bigger ripple when Vmotor-=9.091 A= 454.55 mA=H25pus: 25pesL=33 mHfs = 20 kHzTorque = 10 Nmk = 11 Nm/AL = 20 mH600 v600 V iii) For the motor in Fig. Q3, the rated motor torque is 14 Nm, the motor torqueconstant is 1.2 Nm/A, and the motor inductance is 25 mH. If the DC inputsupply voltage, VIN, is 1 kV and the H-bridge circuit is operating with a 16 kHzswitching frequency, calculate the value of the additional series motor inductorthat is required in order to keep the maximum motor ripple current to within6% of its rated value.

Here, we need to solve question (iii)Rated motor torque , Torque constant, Motor inductance,…

For the motor in Fig. Q3, the rated motor torque is 14 Nm, the motor torque constant is 1.2 Nm/A, and the motor inductance is 25 mH. If the DC input supply voltage, VIN, is 1 kV and the H-bridge circuit is operating with a 16 kHz switching frequency, calculate the value of the additional series motor inductor that is required in order to keep the maximum motor ripple current to within 6% of its rated value.

For the motor in Fig. Q3, the rated motor torque is 14 Nm, the motor torque constant is 1.2 Nm/A, and the motor inductance is 25 mH. If the DC input supply voltage, VIN, is 1 kV and the H-bridge circuit is operating with a 16 kHz switching frequency, calculate the value of the additional series motor inductor that is required in order to keep the maximum motor ripple current to within 6% of its rated value.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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