Answer Posted / shri6181

hello u have a que in u r question it self, vcb means vaccum ckt breaker. there will be no gas,no air too.

how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

4600

---

what are the range of memory address in plc for L&T lx7 4A

2341

---

Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks

2151

---

how we decide scurt (disc) of insulator with respect to kv rating

3588

---

What is the working principle of servo motor? And explain it.

1952

---

why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1871

---

How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1955

---

Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

2461

---

stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

2815

---

When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

2075

---

What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1810

---

if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1916

---

why moisture formation found in XLPE Armoured cable outer sheath

1833

---

what is the effect of power factor of machines in starting current

2070

---

What are the advantages of vscf wind electrical system?

1106

---