The document discusses the working principle, design, applications, advantages, and limitations of a momentum transformer. It introduces momentum transformers and how they transfer electrical energy from one circuit to another using electromagnetism and electromagnetic induction. Some applications mentioned include auto-starters for motors, balance coils in AC distribution systems, and as regulating or booster transformers. Advantages include continuously varying voltage, while disadvantages include cost, space required, and weight. Cautions discussed include using high quality magnetic core materials and not connecting the transformer to a direct source or leaving the secondary open-circuited.

1. MOMENTUM TRANSFORMER BY : PAVAN GADADE K. D. K. COLLEGE OF ENGINEERING NAGPUR

2. CONTENT INTRODUCTION WORKING PRINCIPLE CIRCUIT DESIGN APPLICATIONS ADVANTAGES & LIMITATIONS CAUTIONS REFERENCES

3. INTRODUCTION TRANSFORMER IS A STATIC DEVICE WHICH TRANSFERS ELECTRICAL ENERGY FROM ONE CIRCUIT TO ANOTHER TRANSFORMER IS A CONSTANT FLUX MACHINE IDEALLY TRANSFORMER SHOULD HAVE ZERO VOLTAGE REGULATION AND 100% EFFICIENCY

4. WORKING PRINCIPLE ELECTROMAGNETISM ELECTROMAGNETIC INDUCTION

5. CIRCUIT DESIGN

6. APPLICATIONS AS AUTO-STARTER FOR STARTING INDUCTION AND SYNCHRONOUS MOTORS AS BALANCE COIL IN 3-WIRE AC DISTRIBUTION SYSTEM IN ELECTRICAL TESTING LABORATORIES AS A REGULATING TRANSFORMER AND AS A BOOSTER TO RAISE THE VOLTAGE IN AC FEEDER

7. ADVANTAGES & LIMITATIONS CONTINUOUSLY VARYING VOLTAGE COST, REQUIRED SPACE OVERWEIGHT REPLACEMENT OF DEFECTIVE PHASES ADVANTAGES DISADVANTAGES

8. CAUTIONS TRANSFORMER CORE MUST BE OF GOOD QUALITY MAGNETIC MATERIAL LIKE CRGOS, PERMALLOY TRANSFORMER MUST NOT BE CONNECTED TO A DIRECT SOURCE SECONDARY IS NEVER KEPT OPEN CIRCUITED

9. REFERENCES TRANSFORMER DESIGN AND APPLICATIONS – FLANGAN, WILLIAM ELECTRIC POWER TRANSFORMER ENGINEERING – HARLOW, JAMES ELECTRIC TRANSFORMERS AND POWER EQUIPMENTS – PANSINI, ANTHONY

10. THANK YOU