Answer / kamaleswaran

its well known tat der r 2 types of syn m/c..dey r salient pole and cylindrical... v kno tat speed s indirectly proportional to no. of poles..(N=120f/P)..Hydro gtr needs low speed operation.. salient pole has many poles which reduces it speed n its used fr hydro gtr and turbo gtr needs to b operated at high speed.. so cylindrical s used..

explain Xmer

2 Answers  

---

Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.

0 Answers   DAE, Tata Chemicals,

---

we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 Answers   ABB,

---

what is the benift of HT metering & LT metering

1 Answers  

---

How can we Run three phase motor when only single or two phase supply is available ??

3 Answers  

---

---

why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

0 Answers   Baosteel,

---

I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

---

How to minimize the eddy current losses?

0 Answers  

---

Is it legal of using 3 phase motors in 2 phase in Tamilnadu?

2 Answers  

---

What is the ratio of true power to apparent power in an ac circuit?

0 Answers  

---

waht is the working principle of saft starter & what is the difference in vfd & saft starter

2 Answers   Cipla,

---

our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

4 Answers   Gannon Dunkerley,

---