Generator Protection

All Generator Protection Detailed explantion

Generators are very sensitive equipment, we should protect the generator…in this we have given around 86 number of relays and its detained explanation..

SOTF Relay Working Principle – Switch On To Fault protection

 

CT Supervision Relay Working Principle

 

Distance Protection Working Principle & Fault Location Detection

 

Busbar Protection & Frame Leakage Protection Working Principle

 

Bus Bar Differential Protection or Circulating Current Protection

 

Classification Generator tripping Scheme Class A, Class B & Class C

 

What is Through Fault

 

Plug Setting Multiplier & Time Setting Multiplier

 

Directional Over Current & Non Directional Over Current Protection Working Principle

 

Unit Auxiliary Transformer (UAT) Differential Protection 87UAT

 

Purpose of Unit Auxiliary Transformer (UAT)

 

Rate Of Change Of Frequency (ROCOF) Protection df/dt Working Principle

 

Dead Machine Protection Working Principle – 94G ANSI Code

 

Lockout Relay Working Function 86

 

Rotating Diode Failure Relay Working Principle

 

PT Fuse Failure Relay Working Principle VTFF

 

Generator and Transformer Unit Biased Differential Protection

 

Merz Price Differential Protection for Generators

 

Unrestricted Earth Fault Protection Working Priciple

 

Loss of Excitation Protection Working Principle – 40

 

Pole Discrepancy Protection Working Principle – 52 PD

 

Backup impedance Protection Working Principle (21G)

 

Under Frequency Protection Working Principle – 87U

 

Under Voltage Protection Working Principle 27

 

Over Voltage Protection Working Principle 59

 

Reverse Power Protection Working Principle -32R

 

Negative Sequence Relay Operation 59_2

 

100% Stator Earth Fault Protection of Generator

 

Neutral Voltage Protection -59GN- 95% stator Earth fault protection

 

Advantage of Neutral Grounding Transformer NGT

 

How to calculate NGR resistance value?

 

7 Purpose of NGR Neutral Grounding Resistor Transformer & Generator

 

Over Frequency Protection Working Principle -81O

 

Local Breaker Backup Protection LBB 50Z or 50BF

 

Low Forward Power Protection 32F

 

Generator Over Fluxing or Over Excitation Protection 24 G

 

Pole Slip Protection Out of Step Protection 78PS Working Principle

 

Sweep Frequency Response Analysis -SFRA Test Procedure

 

Neutral Displacement Relay Operation- 59N

 

Open Delta & Broken Delta Configuration

 

Voltage Restrained Over Current relay Basic concept -51VR VOC

 

What is The Use Of Knee Point Voltage

 

PLC DCS Start Stop Wiring diagram

 

What is Circuit Breaker & Rating of Circuit Breaker

 

Primary and Backup Protection Working Principle

 

Relay Codes for all Relay From 1 to 150 Numbers

 

7 Simple Ways to Identifying CT Polarity

 

Restricted Earth fault Protection 64R

 

Standby Earth Fault Relay Operation 51N

 

Why Earthing Transformer are used

 

IP Enclosure Ratings & Standards Electrical Equipments

 

Symmetrical Faults & Unsymmetrical Faults

 

What is Sequence Impedance

 

Protective Relaying Terminologies Definition

 

Zone of Protection System

 

What is Symmetrical components Positive, Negative, Zero Sequence

 

What is Fault in Electrical Power System

 

What is Ground Fault and Earth Fault

 

High Impedance Differential Protection Low Impedance Differential Protection

 

How to Calculate Stabilizing Resistor for High Impedance Differential Protection

 

How To Basic design and Relay Basic operation

 

What is Relay Basic Explanation

 

Generator and Transformer protection Relay fully explained-III

 

Generator and Transformer relay protection fully Explained-II

 

Generator and Transformer Relay codes list fully Explained