what is the difference between between open delta and
broken delta?
Answer Posted / kc
An open delta is 2 transformers connected in delta. It is
used to get three phase power using 2 transformers.
A broken delta is 3 transformers connected in delta, but
not closing the delta. The voltage across the open corner
of the delta is used for voltage polarizing or ground
detection.
| Is This Answer Correct ? | 56 Yes | 4 No |
Post New Answer View All Answers
What is the accepted limit to increase the choosen transformer capacity over the load and why ?
If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?
is it possible to have dc motors on single chip
What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?
What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?
how to calculate the fault in substation
What is a DC series motor?
In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)
why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
Explain the operation of grid connected central solar inverter ?
Starting Time of LT & HT Motor
what is deffrence between squirral cage and wound rotor in IM?
How to calculate Number of Earthing Pits....???
WHAT IS MEANT BY TV TERMINAL IN 500MVA TRANSFORMER?