Instrument Transformer

### **Instrument Transformers (CT & VT)** 1. **Instrument Transformer Selection and Sizing** Learn the selection criteria and sizing methods for current and voltage transformers based on system requirements. 2. **Current Transformer (CT)** Understand the construction, working principle, applications, and importance of current transformers in power systems. 3. **Difference Between Conventional Transformer and Current Transformer** Learn the functional and operational differences between power transformers and current transformers. 4. **Equivalent Circuit of CT** Study the equivalent circuit of a current transformer and its performance characteristics. 5. **Errors of CT** Understand ratio error, phase angle error, and factors affecting the accuracy of current transformers. 6. **CT Core Classification (Metering & Protection Class)** Learn the classification of CT cores and their applications in metering and protection systems. 7. **CT Sizing Calculation** Perform current transformer sizing calculations based on load, burden, and protection requirements. 8. **Voltage Transformer (VT)** Understand the construction, working principle, and applications of voltage transformers in electrical systems. 9. **Difference Between Conventional Transformer and Voltage Transformer** Learn the differences between power transformers and voltage transformers in terms of function and application. 10. **Ratio and Phase Error of VT** Study ratio error, phase angle error, and their impact on measurement accuracy. 11. **VT Core Classification (Metering & Protection Class)** Understand the classification of VT cores for accurate metering and reliable protection applications. 12. **VT Sizing Calculation** Learn to calculate the appropriate size and rating of voltage transformers based on system parameters.