I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respectively. The total connected load 16809 KVA(11/0.433KV).how i calculate the max current & how i decided the CMD.
2 2554What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?
1630eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?
Ecil,
3 4462For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel
Ecil,
2522Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None
Ecil,
3 11628can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?
1498VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?
1 2848For Eg a 30 kw motor at full load how much kw it takes And at no load how much KW it will take?
GEPL,
1 2653For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?
GEPL,
1594Post New Electrical Engineering Questions
is the value of inductance depends upon the value of thitha in doubly excited machine??
How to select the cable and voltage drop in circuit?
Explain mechanical rotational system?
What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ??
Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?
1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)
what percent do you derate your copper wire when you change from copper buss to copper wire
what is the formula to calculate voltage drop/loss on 66KV Transmission Line?
use of choke in APFC panels
What is difference between slip rings and carbon burushes?
what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.
In a flange coupling, the flange bolts are designed for
what is the Pickup/drop off ratio in BCPU relays
