DC CHOPPERS - BASICS AND WORKING | AE KWA | Draftsman Grade I | #eeekeralapsc #clickeeecorner

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🔗 Mastering DC CHOPPERS for Kerala PSC EEE Exams | Step-Up, Step-Down & Class A to E Explained⚡

Are you preparing for Kerala PSC Electrical exams like Assistant Engineer, Sub Engineer, Draftsman, or Foreman? This detailed video is your complete guide to DC Choppers—a high-scoring and repeatedly asked topic in Power Electronics. Based on standard theory and previous year question trends, this session breaks down concepts with clarity and exam focus.

🔍 What You’ll Learn in This Video:
✅ Introduction to DC Choppers
What is a DC chopper (DC-DC converter)?

Role of power semiconductor switches (MOSFET, BJT, GTO, Thyristor)

How switching ON/OFF produces chopped DC output

✅ Classification of DC Choppers
🔹 Based on Output Voltage:
Step-Down Chopper (Buck Converter)

Step-Up Chopper (Boost Converter)

🔹 Based on Voltage & Current Direction:
Class A Chopper – First Quadrant

Class B Chopper – Second Quadrant

Class C Chopper – First and Second Quadrants

Class D Chopper – First and Fourth Quadrants

Class E Chopper – All Four Quadrants

✅ Detailed Explanation of Each Chopper Type
📌 Step-Up Chopper (Boost Converter)
Increases DC voltage

Working with inductor energy storage and discharge

📌 Step-Down Chopper (Buck Converter)
Reduces DC voltage

Uses freewheeling diode during OFF periods

✅ Class A to E Chopper Types – Quadrant Operations
Class A (Type-A): Step-down, Motoring only

Class B (Type-B): Step-up, Regenerative braking

Class C (Type-A + B): Two-quadrant, bidirectional power flow

Class D (Type-B alternative): First & Fourth quadrant control

Class E (Four-Quadrant): Full motoring and braking in both directions

Focused on Kerala PSC EEE exam pattern

🎯 Perfect for:
Students aiming to master controlled rectification concepts and score high in Power Electronics for Kerala PSC exams

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🎯 Who Should Watch?
✔️ Kerala PSC aspirants for EEE-related posts (Tradesman, Overseer, Lineman, Assistant Engineer, etc.)
✔️ B.Tech/Diploma Electrical & Electronics Engineering students
✔️ Competitive Exam Candidates preparing for electrical circuit analysis

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Видео DC CHOPPERS - BASICS AND WORKING | AE KWA | Draftsman Grade I | #eeekeralapsc #clickeeecorner канала Click