why bulbs when connected in series glow dim

4 Answers  

---

how to select the surge suppresor for the 33 KV supply and what will be the rating, selection guide

1 Answers  

---

What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?

1 Answers  

---

briefly explain principle of resistance welding

0 Answers  

---

A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

0 Answers   Ispat, Red Bull,

---

Why MS rod or flat are used in stead of GI rod or flat in switchyard earth mat ?

2 Answers  

---

Can any body tell me about Hi-pot test, and why it is necessary and its procedure of testing

6 Answers  

---

Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

0 Answers  

---

why earth hole size is biggest in plug point?

22 Answers   Al Qabas, HCL, RRB,

---

what transformer we used normally and upto which kva?

0 Answers  

---

why should the primary of transformer be connected in delta in a heat run test?

0 Answers   Bhel,

---

what are the main differences of delta and star connection

5 Answers   Essar,

---