ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

0 Answers  

---

what is meant by a slip?

10 Answers  

---

-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

0 Answers  

---

What we mean by vintage of an engine+Generator?

0 Answers  

---

how to calculate ups and battery rating

2 Answers  

---

name the famous power plants present in A.P

1 Answers   Power Grid,

---

What is Hi-Pot Test for Grid Station HV Equipments?

2 Answers   Siemens,

---

What is making & breaking current ???

0 Answers   JLL,

---

what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

---

how encoder works?

1 Answers   ITC Infotech,

---

Can we inject more current in ct primary paralleling 2 loading transformers/Injection kit at a time?let ct ratio be (5000/1A)(per kit rating 2000A range),i need to inject 5000A,if this cant b done means wat is d optional?

1 Answers  

---

If the maximum demand is 120 KVA in a building, then what is the Current taken according to load given ? Formula for it ?

3 Answers  

---