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- Various substations - Air Insulated, Gas Insulated, PASS Substations
- Current Transformer (CT) - General Arrangement
- Current Transformer (CT) - Knee point voltage, ISF, ALF, etc.,
- Types of CTs based on Core - Single core CT, Two Core CT, Three Core CT, etc.,
- Types of CT's based on Class - Metering Class, Protection Class, PS Class
- Understanding the Testing of CT
- Potential Transformer (PT) - General Arrangement
- Potential Transformer (PT) - Accuracy factor, Creepage distance, Voltage factor, Burden, etc.,
- Types of PTs based on Core - Single core PT, Two Core PT, Three Core PT, etc.,
- Types of PTs based on Class - Metering class, Protection class, etc.,
- Understanding the Testing of PT
- Capacitive Voltage Transformers (CVT) - General Arrangement
- CVT - Accuracy factor, Creepage distance, Voltage factor, Burden, etc.,
- Types of CVTs based on Core - Single core CVT, Two Core CVT, Three Core CVT, etc.,
- Types of CVTs based on Class - Metering class, Protection class, etc.,
- Understanding the Testing of CVT
- Circuit Breaker (CB) -General Arrangement
- Types of Circuit Breakers - Gang operated and pole operated circuit breaker
- Gang operated circuit breaker - Understanding of Electrical Drawing
- Isolator - General Arrangement
- Isolators based on poles- Single break type, Double break type, Pantograph type Isolators
- Isolators based on placement - Line Isolators, Bus Isolators, Transfer Isolators
- Isolator - Understanding of Electrical Drawing
- Power Transformer - General Arrangement
- Power Transformer - Various Trafo troubles such as WTI, OTI, OSR, BR, MOG etc.,
- Power Transformer - Power frequency voltage, Impulse Voltage, Vector group
- Testing of Power Transformer
- Other Equipments - LA, WT, Conductors and Busbars, etc.,
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