Answer / anand kumar jha

an scr is controlled by gate but in diode it can not be
controlled.

Answer / 7anoter4

See:
http://www.onsemi.com/pub_link/Collateral/HBD855-D.PDF
and:
http://people.ee.duke.edu/~cec/final/node85.html

what happens if we connect two parallel ideal voltage sources across resistor?what is current flowing through resistor?

2 Answers  

---

Is there any capacitor in 3-phase IM?why,xplain.

2 Answers  

---

how does an open delta transformer works

2 Answers  

---

relation between voltage and frequency.

5 Answers   IIUI, Lucky Cement, Reliance,

---

why voltage swells and dips???

3 Answers  

---

How to discuss the phase shift of transformer considering open delta?

0 Answers  

---

I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

0 Answers  

---

How to calculate the Airconditioner capacity for a standard telecom BTS shelter?

3 Answers  

---

why are we using multiples of 11 in substation.

2 Answers  

---

what is balanced network and unbalanced network

1 Answers   Nalco,

---

Why DC excitation is used for alternators? Why cant it be AC?

35 Answers   ABB, Ace Info, Alstom, Shalivahana Power,

---

to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 Answers  

---