Generator & its Protection
28 videos • 4,224 views • by 360° Engineer
Generator and its Protection
1
Loss of Excitation Protection (Part-2) || DC Under Current & Reverse Reactive Power based Protection
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2
What is Sub-Transient & Transient Reactance (Xd'' & Xd') of Synchronous Machine and Significance?
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3
Out of Step Protection (Part – 1) || Causes & Effects of Pole Slipping || Behavior of machine in OOS
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4
Loss of Excitation Protection (Part-5) || G-B scheme based LOE Protection || Protection Settings
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5
Loss of Excitation Protection (Part-1) | Causes & Effects of Loss of Excitation for machine & System
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6
Loss of Excitation Protection (Part-4) | P-Q scheme based LOE Protection | GCC, UEL, U/V & LOE Based
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7
Loss of Excitation Protection (Part-6) || U-I measurement based LOE protection scheme
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8
Loss of Excitation Protection (Part-3) | R-X scheme based Protection | Offset Mho with Relay Setting
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9
What is Leakage Reactance ? || Significance of Leakage Reactance in Electrical Machines
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10
Armature Reaction Reactance (Xa) in Synchronous Machines || Direct & Quadrature axis AR Reactance
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11
Generator Capability Curve || Armature &Field Heating Limit || SSSL || Stator End Core Heating Limit
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12
Generator Rotor Earth Fault Protection || Two lamp method || Resistance Bridge || AC / DC Injection
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13
Generator Inter Turn Fault Protection || Transverse differential prot || Zero Sequence Voltage Based
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14
Generator Stator Phase Fault Protection || Differential Protection || CT Inaccuracies || Settings
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15
Basics of Generator & its Protection || Class of Generator Protection || Class-A || Class-B||Class-C
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16
Generator 95% Stator Earth Fault Protection || Neutral Over Voltage || Neutral Over Current||Setting
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17
Generator 100% Stator Earth Fault Protection || Third Harmonic voltage Based || Low freq signal Inj
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18
Out of Step Protection (Part–2) | Impedance during pole slip condition | Relay Settings-Lens,Blinder
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19
Loss of Prime Mover Protection (Part–1) || Effects of Motoring in Steam, Hydro & Gas Turbine, DG set
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20
Loss of Prime Mover Protection (Part–2) || Reverse Power Protection in Hydro & Gas Turbine, DG set
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21
Loss of Prime Mover Protection (Part–3) || Low Forward Power Protection in Steam Turbine Generators
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22
Abnormal Frequency Protection in Generators | Under frequency Protection | Over frequency Protection
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23
Abnormal Voltage Protection in Generators || Over Voltage Protection || Under Voltage Protection
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24
Main, Local & Remote Back-up Protection || Local Breaker Backup (LBB) or CB Failure (CBF) Protection
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25
Inadvertent or Accidental Energization Protection of Generator || Breaker Pole Flash Over Protection
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26
Why Over Current Protection in Generators? || Why Voltage Based O/C (VOC) required in Generators?
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27
Voltage dependent O/C relays(51V)-Voltage Controlled, Voltage Restrained O/C & Impedance Protection
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28
Unbalance Protection in Generators || Negative Sequence Withstand Std - IEEE C37.102, ANSI C50.12/13
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