what is ring main unit(Rmu)? what is its function

1 Answers  

---

What is phase cross over frequency?

0 Answers  

---

how we are desining 63.5 ohm resistor for NGR of alternator?

1 Answers  

---

why only violet glow appears in corona effect?

1 Answers  

---

how can we find of cable capicity in amper?how much ampere withstand by 300sqmm cable?

1 Answers  

---

What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

0 Answers  

---

1000 W bulb takes 4.16 Amps at 240 volt then what will be the KWH & if i am using 1000 W bulb at 180 Volt the amps will be 5.55 then what will be KWH????????????????

2 Answers  

---

why nutral and earthing wire connect with each other in main panel board.?

2 Answers  

---

ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

0 Answers  

---

how braking & making capacity of circuit breaker are calculated?

0 Answers   Bhel,

---

How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"

0 Answers  

---

Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

---