Hi every body
Hope find aswers for my inquiries
I have 2 power transformers
Each one 20 mva
Each one in separate grid station
And distrbution feeders 13.8 kv connected together from both of substations
When I paralleled both feeders trips occurred
Both feeders have same voltage
And hz
But...
Hi guys sorry for disturbing you ..
How can I connect ht cut out fuse on medium voltage on over head line?
In attached pic there is 2 points A and B ?
Where is the load and source side to point A or B ?
What about if I connect opposed...
Hi everybody
I have question about :
If I have mv feeder 13.8 kv trip for 4 hours and there is more than 400 customer on that feeder
How can calculate losses of money due to that outage.
hallo every body
i am working in distribution system in control exactly and iam using paper single line diagram to make my operation with the outside staff to make switching in mv switchgears
my inquery i need to develop this control room to be use huge screen toutchable and advanced...
Hi can any one help pls.
I have mv cb provided by oc/ef relay supplying dist transformer.
When main feeder trip this cb also trip for information this yransformer on seprate feeder but from one main sustation.
Thank you
Hi
i have question about that CT which marked with true .
my quz is : if i removethect secondary wire and the circuit is run is there any problem ?
why this ct is steel layers there is no cupper wire turend aroung the core ?
thnx alot
Hi
This is CT is installed around mv cable 13.8 kv in RMU and connected to EFI (DEVICE TO DETTECT
Fault on mv cable and the flag down .when operator patrole the feeder he can konws the fault pass throughen this circuit .
My ques
When i open the ct secondary terminals is there any mistake ...
Hi every body
i have inquiry about the batteris in subsatations :
1- how to select the suitable battery and suitable charger ?
2- is there any relation between the battery and charger ?
thanx alot
