Answer / jay

RISE TIME
Rise time is the difference between the time when the signal
crosses a low threshold to the time when the signal crosses
the high threshold. It can be absolute or percent
HALF TIME
The time between the virtual zero time and the time to reach
half of the peak during the decay (not sure about half time)

Where we can use 3.5c cables instead of 4c cables.Why?

4 Answers  

---

WHATS THE NEED OF CT INPUTFOR AN VAPM TYPE METERING PT FUSE FAILURE RELAY

1 Answers  

---

what is the earthing condition between earth & phase.

3 Answers   ABB,

---

low voltage grounding is done by?? 1)solidly gnd 2)ressistance 3)reactance

1 Answers  

---

how we calculate the knee point of a protection and metering CT and what is the testing procedure.

1 Answers   CS,

---

how system voltage affect the power factor or vice-versa.

4 Answers  

---

for 644KW load which MCCB should i use

6 Answers  

---

what are the installation procedure of high voltage power transformer,CT,CB&PT?

0 Answers   Siemens,

---

Why can't we parallel Voltage transformer secondary circuits?

0 Answers  

---

what type of load we can give to motor shaft?

2 Answers  

---

DISCUSS THE SHAFT MOUNTED D.C. GENERATOR ,BASED ON EXCITATION SYSTEM IN ELECTRICAL SYSTRM

2 Answers  

---

if a damaged 500kva transformer with %impedance 2.6 is replaced by two transformers of 250Kva with different % impedance will they be able to catter the load. what will be the ratio of load on the two transformers if the % impedance is in the ratio 1:2

2 Answers   Siemens,

---