Answer / sri

Hopkinson is a regenerative of back to back test. but swinburne test is not so...it is difficulty in availale of two identical machines in hopkinsons...

Why insulation layer of a High Voltage cable is more than a current carrying cable?

3 Answers  

---

Does the total power means fundamental plus Harmonics?

2 Answers  

---

As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.

0 Answers  

---

sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

0 Answers   Jindal,

---

why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?

0 Answers  

---

What are the different types of cable jointing methods for HT and LT power cable?

1 Answers  

---

1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

0 Answers  

---

Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue

1 Answers  

---

Difference of induction motor & servo motor ??

0 Answers   Macpower CNC Machines,

---

working principle of UPS

15 Answers   Mantri,

---

how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

---

What are chief characteristics of state-space method and its techniques ?

0 Answers   Limton,

---