Answer / raja

Assume we give square wave of 50 hz supply to txmr .
from 0 to postive maximum and then it will remain in maximum
value and same for negative axis also . since the rate of
rise from 0 to max + value / _value occurs at one instant of
time and not gradual . there will be no emf at secondary
terminals .

E = 4.44f*flux*turns*sinwt ( w =2pi* freq)- instantaneous
value of secondary emf .

Answer / pritish

it produces only impulse wave not triangular wave

Answer / khgyfkt

you will be getting a triangular wave output..

how we can measure the dc current instead of clamp meter ?

1 Answers  

---

what is mean by single phasing used for electrification in rural area of maharashtra ?

1 Answers  

---

Why is earth connected to neutral on transfomer installations

2 Answers   VACC,

---

what is the purpose of shading ring or shading coil in electrical equipments.

0 Answers   BARC,

---

Define demand factor?

0 Answers  

---

what is the difference between watts and volts?

2 Answers  

---

What is diversity factor.

2 Answers   Cadbury,

---

why compound generator is used in generating station?

2 Answers  

---

how to check the continuity of a cable with a megger

4 Answers   Metro,

---

Which of the following are the important limitations of rod gap surge arresters? 1. They are not capable of selling off power frequency follow up current. 2. After a discharge, the rods are destroyed completely. 3. Performance is affected by climatic conditions. Use the following codes for selecting the correct answer. Codes: (a)1, 2 and 3 (b)1 and 2 (c)2 and 3 (d)1 and 3

1 Answers  

---

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

0 Answers   TCCL,

---

what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor

0 Answers  

---