in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire
1 4143I have 150/1A Rating CT Suppose if i inject 15A in CT " Secondary" means what will happen ??????
1 1748I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?
1546why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??
TCS,
18621.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
L&T,
1666what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line
1 4167Post New Electrical Engineering Questions
List the characteristics of filter?
What are the effects of electrical faults?
what is mean by dual digital protection in the relay field?
What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?
What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?
What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?
What is the function of interposing current transformer?
How earthing of switchgear system to be done.
I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?
How will be the single line diagram of series trip HT breaker? how it works?
Why is voltage is required to be within permissible range for an electrical equipment?
Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?
Explain advantages of storage batteries
for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?
What are the electrical engineer roles and responsibilities in chemical plant?