ELECTRICAL POWER SYSTEM NOTES is a books & reference app developed by JEMSHAH ONLINE LEARNING.
Download Statistics
ELECTRICAL POWER SYSTEM NOTES has been downloaded 31 thousand times. In the last 30 days, the app was downloaded 270 times.
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App Information
ELECTRICAL POWER SYSTEM NOTES is FREE to download. The APK download size is 40.85 MB. The latest version available is 7.0. The last update was on September 29, 2024.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play January 2020.
Description
IN THIS APPLICATION HAS THE FOLLOWING TOPICS
1. PROTECTION - protective schemes (i)core balanced protective schemes. (ii) merz-price protective schemes. (iii) pilot (iv) pilot-less. - types of relay systems (i) permanent magnet moving coil. (i) balanced beam (ii) induction type carrying relay (iv) the distance relay (v)non-directional relay (vi)solid state relay.
-types of unit protection
(i)generator protection (ii) transformer protection (iii) feeder protection
- non-unit protection (i)directional current protection (ii) distance protection (iii) gradient time protection
2.OVERHEAD LINE CONSTRUCTION - conductor/mechanical vibration
(i) swinging (ii)dancing (iii) jumping (iv) high frequency vibration
- sag and tension (i)ca-ternary method
-corona phenomenon (i)disruptive (ii)visible (iii)critical (iv)power loss
- operation of synchronous phase modifies (i)lagging and leading (ii)volt drop compensation
3. OVERHEAD LINE TRANSMISSION - classification of transmission lines (i)short, medium and long lines - causes of surges in transmission line (i)direct and indirect lighting stroke (ii)open circuited lines (iii)short circuited lines (iv)an arching ground faults --phenomenon surges explanation in transmission line (i)surge velocity (ii)surge impedance (iii)open circuited and short circuited lines --protection of transmission line against surges (i)overhead earth wire (ii)horn gaps (iii)silicon and zinc oxides surge diverts (iv)Peterson coil
4.UNSYMMETRICAL FAULTS --types of power line faults (i)single phase to ground fault (L - G) (ii)3-phase faults (L - L -L) (iii)double line to ground fault (L - L - G) --description of symmetrical components (i)positive, negative and zero sequence vector (ii)Impendence connection matrices for fault (iii)equivalent circuit for unsymmetrical fault --operation of equivalent circuit and phase sequence matrix
5. POWER SYSTEM STABILITY --synchronous generator stability (i)power transfer regulation (ii)derivation of equal area of criterion (iii)change of load (iv)change in transfer reluctance due to switches (v)change in transfer reactance due to faults
--derivation of swing equation --swing cap --methods of improving both transients and steady state stability
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