Answer / abhishek

panel space heater is used for removing the moisture due to
which insulation breakdown may occur

Answer / ilononurb

panel space heater is used to drying up the moisture
entered in the panel to avoid surface leakage current which
may affect the insulation dielectric strenght of the
insulator failure that may cause of series and shunt fault
in the system.

Answer / xyz

PANEL SPACE HEATERS ARE NOT A MUST THESE ARE GENERALLY
PROVIDED IN EUROPEAN COUNTRIES AS THIER CLIMATE IS VERY
COLD AS COMPARED TO OURS.BUT AS WE ARE INDIANS WE BLINDELY
TEND TO FOLLOW THERE CONFIGURATION AND SO WE DO........EVEN
IF NOT NECCESORY AND THATS WHY THIS WAS ASKED............

Different types of relay fault which phase sequence??

0 Answers  

---

How we can design a cable for a 3phase load.

3 Answers  

---

What_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

2 Answers   APEL, BSES,

---

what is the VA(Volt-amphere)? define with calculation?

0 Answers  

---

Which oil can be used in transformer?

1 Answers  

---

Transformer type...??

1 Answers  

---

why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)

0 Answers  

---

HOW TO CALCULATE HV CABLE SIZING?

0 Answers   KNPC, L&T,

---

how we can calcultae the short circuit level for bus bar

0 Answers   Jaiprakash, Panorama Apparels,

---

1.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?

0 Answers   L&T,

---

why commutator are not used in rectification purpose in power electronics?

1 Answers  

---

synchronous motor of 13.5MW having which type protection? and how to set relay?give me relay setting calculation for different protection for this motor assume efficiency,power factor and other term if neccecery

1 Answers  

---