Answer / vinoth

A three phase or single phase power supply come into
rectifier,now three phase or single phase supply is
converted into dc supply goes to battery charger and
simultaneously goes to inverter now the dc supply inverted
into ac supply. This method is used in online ups.
Off line ups a three or single phase power supply come into
rectifier the rectified dc supply goes to inverter...Un
fortunately main incoming supply break down time the battery
supply goes to inverter.....

What is the main differnce between the SCADA and HMI also what is DCS?

0 Answers   Maestro,

---

Define negative logic.

0 Answers  

---

Why do we use FM for sound and AM for video in TV transmisssion?

5 Answers   DRDO,

---

What is DRX? Why do we need it?

1 Answers   DRX,

---

What are the basic logic gates?

0 Answers  

---

---

What are the advantages of sequence control of ac voltage regulators?

0 Answers  

---

WHAT IS THE USES OF PLC?

16 Answers   Avanceon, BMW, Sony, Usha Martin,

---

describe the functioning of parallel adder ? what are the adventages of parallel adder over series adder?

0 Answers  

---

im an electronics and communication engineering..i have to attend an interview based on contract basis.i kindly request u to send all possible questions to my mail. MY EMAIL ID IS -ashishkashyap931@gmail.com

0 Answers   BEL,

---

what is the function of Horn antenna?

2 Answers  

---

What is Not-So-Stubby (NSSA)in Open Shortest Path First?

0 Answers  

---

Hai Frds i want to join in testing tools course , plee tel me which was the Best institute, plsss reply me, i am waiting for ur reply....

0 Answers  

---