Answer / mostafaghodrat

primary current
/
secondaru current
or 1 or 5 amper
ct berden /fits whit relay or ampermeter
I'm from Iran
My English is not very good
Excuse me for this problem
Good luck

How to select the releases for MCCB ?

1 Answers  

---

Difference between divercity and power factor

1 Answers  

---

how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

0 Answers  

---

Why HT 11 KV Slipring Motors are connected in star ?

0 Answers  

---

what is the relationship between current and frequency in AC circuit?

3 Answers  

---

how to convert psi into kilo pascal? what is the suction pressure & discharge pressure of chiller?

1 Answers  

---

during the period of armature reaction ,if the brush shift is not accomplish, what happen?

1 Answers  

---

What happen if 200KVAR capacitor continuesly connected to load and all the plant machinaries are not in working?

4 Answers  

---

How to find Cable size? Caterpillar generator produce (Two generators) 127*2=254 amp at 11 kv . What would be the cable size (XLPE) to supply 256 amp at 11 kv? Air or surrounding Temperature is 32 degree C. Cable will go under ground at 2.5 feet depth. Group Rating Factors is 3 cables. Clearance between cables is 7 cm. Soil Temperature (Ambient) 28o C Soil Thermal Resistivity is 1.2 K.m/W I would like to use 3 separate single core instead of using 3 core cable. Some says I should use three separate single core 120RM cables. Some says 70RM .some says 95. I m totally confused. Is there ant specific rule to determine cable size? What would be the LT cable size to flow 500 Amp current? Ifte My e mail address is ifte13@yahoo.com Anyone please send me the answer to my e mail address, i will be very glad.

1 Answers  

---

Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

1 Answers   Jindal,

---

which type of starter is suitable for single phase motor ?

11 Answers   IOCL,

---

Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

0 Answers  

---