Answer Posted / a.umapathy

DOL (Direct on line) starter

what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

2818

---

what is the string efficiency

5140

---

what is the difference between directional & non directional earth fault with example please explain.

1798

---

Why 1/3 is used in symmetrical components?

1780

---

what is working process of star delta controlling circuit ?

1829

---

What is meant by reset level of the relay?

1155

---

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

1222

---

WHAT IS counter flux IN CT?

1896

---

3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

1357

---

How can find thermal state value in relay for calculate thermal overload.

1858

---

what is meant by skew width in machines?

2152

---

what is the use of permanent magnet generator in exciter

2099

---

if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

2266

---

for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

1897

---

our industries ht line so power fluctation(once drop of power please rectify causes

2177

---