Answer Posted / amol payghan

Relay is used to detect the fault condition and initiate the operation of the circuit breaker.

Circuit beaker is used to disconnect/isolate the faulty circuit from the bus bar system.

Switchgear are the apparatus used for switching, controlling and protecting the electrical circuit and equipements

what is JE exam?

2231

---

detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

3179

---

How many points does a Circuit can have?

2030

---

Anybody know how schematic diagram for reverse power relay? RPR for generator protection

2190

---

how to calculate the loss tangent of electrical cables

2134

---

can we use trip light with bus coupler?

1987

---

all the technical question with answers pleas send your email id ramar_eee@yahoo.com

2079

---

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1853

---

What is notching in dc machine?

2058

---

What happens when two positively charged material is placed together?

1190

---

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

3168

---

what is current check gurd relay?

2654

---

How wire size can define in electrical wiring? What is the ratio?

2350

---

how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

1415

---

why r we using shell transformer for low voltage

2069

---