Answer / hcnaidu

Output Power/Input Power*100

Answer / bhavana

%eff=(output power)/(input power)
=(output power)/(output power + total losses)
=(output power)/(output power + iron loss + cu loss)

difference between relay and solenoid?

2 Answers  

---

What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

---

Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

0 Answers  

---

There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

0 Answers  

---

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 Answers  

---

why a motor rating in KW?

7 Answers   ABG Shipyard,

---

transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

0 Answers   Bhel,

---

how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.

1 Answers   Sojex,

---

What is the Basic Difference bitween Long Shunt Connection and Short Shunt Connection in DC Generator?

0 Answers  

---

How does numerical relay work?

1 Answers  

---

why we need to us lenz's law for synchornous motor

0 Answers   Tata Elxsi,

---

In a Tap changing transformer where is the tap connected , is it connected in the primary side or it is connected in secondary side

8 Answers   Indiabulls,

---