Power System Protection and Switchgear Articles:
This Power System Protection and Switchgear Articles which includes the following topics:
- Basic Ideas of Protection Relay
- Fault Meaning
- Zone Protection
- Essential Qualities of Protection Systems
- Basic Principle of Operation of Protective System
- Methods of Discrimination in Power System Protection
- Derivation of Single Phase Quantity from Three Phase System
- Components of Protection System
- Relay Classification in Power System Protection
- Types of Electromagnetic Relays
- Induction Relay Torque Equation
- Relay Design and Construction
- Comparator Equation in Power System Protection
- General Equation for Electromagnetic Relay
- Overcurrent Relay Characteristics
- Instantaneous Overcurrent Relays
- Time Current Relay Application
- Directional Relays
- Single Phase Directional Relay
- Directional Overcurrent Relays in Power Systems
- Distance Relays Types
- Differential Relay Application
- Types of Feeder Protection Relay
- Overcurrent Protection of Feeders
- Overcurrent Earth Fault Protection
- Directional Earth Fault Relay
- Principle of Distance Relaying
- Time Grading of Distance Relay
- Fault Resistance Calculation
- Reach of Distance Relay
- Scheme of Distance Protection
- Distance Protection Impedance Relay
- Distance Protection by Reactance Relays
- Power Swings in Power System Protection
- Current and Voltage Connection in Distance Relay
- Selection of Distance Relay
- Application of 3 Phase System
- Pilot Wire Protection Relay
- Carrier Pilot Protection
- Phase Comparison Carrier Protection
- Transformer Protection Types
- Differential Protection of Transformers
- Percentage Biased Differential Relay
- Inrush Currents in Transformer
- Star Winding and Delta Winding
- Restricted Earth Fault Protection
- Gas Actuated Relays
- Transformer Feeder Protection
- Generator Faults
- Stator Protection
- Rotor Protection
- Loss of Excitation Protection
- Unbalanced Loading Protection of Generator
- Overload Protection Relay
- Prime Mover Protection
- Direct Connected Generator Protection
- Motor Protection
- Bus Zone Protection
- Auto Reclosing Scheme
- Types of Auto Reclosing
- Three Phase Auto Recloser vs Single Phase Auto Recloser
- Classification of Relay Testing
- Testing of Overcurrent Relay
- Heavy Current Test Plant
- General Methods of Testing Protective Gear
- Current Transformer Tests
- Potential Transformer Tests
- Static Relays Basics and Classification
- Electronic Relays
- Transductor Relay
- Transistor Relays
- Hall Effect Relay Circuit
- Semiconductor Diodes in Static Relays
- Transistor Use in Static Relay
- Field Effect Transistor in Static Relay
- Unijunction Transistor in Static Relay
- Thyristor in Static Relay
- Logic Circuit in Static Relay
- Smoothing Circuits
- Square Wave Generators
- Summation Device
- Sampling Circuits
- Zero Crossing Detector Circuit
- Static Amplitude Comparator
- Phase Comparator Circuit
- Coincidence Type Phase Comparator
- Basic Elements of Static Relay
- Overcurrent Protection Relay in Power System
- Differential Protection Relay in Power System
- Static Distance Protection Relay
- Arc in Circuit Breaker
- Arc Properties
- Arc Interruption Methods in Circuit Breakers
- Circuit Breaker Rating
- Recovery Voltage
- Restriking Voltage Transient
- Characteristics of Rate of Rise of Restriking Voltage
- Interaction of Circuit Breaker
- Current Chopping
- Duties of circuit breaker diagram
- Automatic Switch Circuit Breaker
- Air Break Circuit Breaker
- Oil Circuit Breaker
- Types of Arc Control Pots
- Multi Break Function of Circuit Breaker
- Air Blast Circuit Breaker
- Ultra High Voltage Circuit Breakers
- Development of Airblast Circuit Breaker
- Performance of Circuit Breaker System Requirements
- Linear Resistance Damping
- Non Linear Resistance Shunts
- Merits and Demerits of Types of Conventional Circuit Breakers
- Recent Developments in Circuit Breaker Tester
- Vacuum Circuit Breaker
- SF6 Circuit Breaker
- DC Circuit Breaker
- Basic Steps for Design of Circuit Breaker Types
- Basic Design of Arc Extinction Chamber
- Insulation Design of Circuit Breaker
- Design of Current Carrying Capacity Systems
- Circuit Breaker Tester Classification
- Simple Testing Station
- Circuit Breaker Analyzer
- Circuit Breaker Testing Procedure
- Direct Testing of Circuit Breaker
- Indirect Testing of Circuit Breaker