DC Machines

Learn DC Machines the exam way—clear concepts, worked examples, and 63 focused lessons in electrical engineering.

Instructor: DAKALA SREENIVASULU

Last updated Aug 2026 en

4 learners enrolled

all-levels

This course includes

— on-demand video
Access on mobile & desktop
Full lifetime access
Certificate of completion

Course content

6 sections · 63 lectures

Lec 01: Introduction of DC machines Preview
Lec 02: Working of DC Generator - 1
Lec 03: Working of DC Generator - 2
Lec 04: Working of DC motor - 1
Lec 05: Working of DC motor - 2

Lec 06: Stator MMF & Rotor MMF Preview
Lec 07: magnetic yoke
Lec 08: Pole core & Pole sheo
Lec 09: Pole arc & Pole pitch
Lec 10: Armature poles & brushes
Lec 11: Brushes & Lap winding
Lec 12: Wave winding
Lec 13: Problems - 1
Lec 14: Problems - 2
Lec 15: Problems - 3
Lec 16: Problems - 4
Lec 17: Lap & Wave winding

Lec 18: Types of dc machines Preview
Lec 19: DC Generator
Lec 20: DC Motor
Lec 21: DC Shunt Generator
Lec 22: DC shunt motor & series generator
Lec 23: DC Series motor
Lec 24: DC Compound motor
Lec 25: Buildup of voltage in self excited generator
Lec 26: Critical field , load resistance & critical speed
Lec 27: Problems - 1
Lec 28: Problems - 2
Lec 29: Problems - 3
Lec 30: DC Series & compound generator

Lec 31: Armature Reaction - 1 Preview
Lec 32: Armature Reaction - 2
Lec 33: Waveform shapes of AR
Lec 34: Effects of CME
Lec 35: Remedies of CME
Lec 36: Interpoles
Lec 37: Shifting of brushes
Lec 38: Demagnetising AT per pole
Lec 39: Crossmagnetisation AT per pole

Lec 40: Commutation - 1 Preview
Lec 41: Commutation - 2
Lec 42: Commutation - 3
Lec 43: Commutation - 4
Lec 44: Commutation - 5
Lec 45: EMF & Torque equation
Lec 46: Characteristics of dc generator
Lec 47: Causes for voltage drop
Lec 48: Characteristics of Shunt & Series generators
Lec 49: Compound Generator
Lec 50: Voltage Regulation

Lec 51: Types of drives based on N-T Characteristics Preview
Lec 52: Adjustable speed drive
Lec 53: Characteristics of DC shunt motor
Lec 54: Characteristics of DC Series motor
Lec 55: Characteristics of DC Compound motor
Lec 56: Speed Regulation
Lec 57: Flux or field control
Lec 58: Flux or field control
Lec 59: Problem
Lec 60: Armature resistance control
Lec 61: Armature voltage control
Lec 62: Ward-leonard speed control
Lec 63: Ward-leonard speed control

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Electrical all-levels

Description

DC Machines is an exam-focused electrical engineering programme designed for electrical engineering students targeting university exams and GATE-style practice (all levels). Lessons are paced for semester revision and competitive practice, with clear explanations you can replay anytime.

You will strengthen circuit intuition and numerical methods for DC Machines, with diagrams and steps that match how examiners expect answers. Syllabus highlights include Introduction & Working, Construction of DC Machines, Types of DC Machines, Armature Reaction, Commutation, and Types of Speed Drives. Across 63 lessons, you will move from foundations to problem-solving patterns that show up in university papers and placement tests.

Taught by DAKALA SREENIVASULU, this course keeps theory short and practice heavy—so you can revise faster, spot examiner cues, and build confidence before mocks and finals.