Why in India only 50hz frequency not 60hz

2 Answers   Prism Cement,

---

why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

4 Answers  

---

given data are load current & power factor cable core size? plz any one update the calculation formula

0 Answers  

---

stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

0 Answers  

---

when we are going to higher voltage level in substations why we are using Sf6 circuit breakers instead of Vacuum circuit breakers.

3 Answers  

---

what is PDU in transformer?? which company manufacture??

0 Answers  

---

If one 10 Hp 3phase induction motor connected in 380volt 50Hz. and again its connected to 380volt 60Hz. howmuch currrent and power take on both time?????

1 Answers  

---

A 230 v dc series motor is connected to 230 V ac supply, then

1 Answers  

---

If u take a kWh reading in 11 kV HT and 440 LV side at same time in yesterday today , then why LT consumed units 3-4℅ high as compared to HT units

1 Answers   Brigade,

---

Dear sir,how should i set the relay in star delta starter..say ex i am having 4ohp motor,,wht should be the relay setting...?

4 Answers  

---

Can we put 3 layers of cable tray while installing tray

0 Answers   NTPC, Siemens,

---

what should be distance between two electrical earthing pit as per i.e.e

13 Answers   Badve,

---