explain why reduced voltage starters are required for large tree phase inudction motor

2 Answers  

---

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

0 Answers  

---

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

0 Answers  

---

Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

1 Answers   ABB,

---

How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay

1 Answers  

---

What are objectives of energy managements ?

1 Answers   Kirloskar, RR,

---

What is spike & surge.

2 Answers  

---

what are the deffects for failure of PLC?

0 Answers  

---

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

0 Answers   Adhunik,

---

why we use ac as a electric appliance in home or daily use?

1 Answers   MNC,

---

what is the minimum winding resistance of 30hp compressor, to run or to switch on

0 Answers  

---

What do you mean by per capita requirement of electrical energy in india

0 Answers   Tech Mahindra,

---