Answer / subrat kumar

according to the voltage:-
.step up trf .step down trf
according to the magnetic core:-
.core type trf .shell type trf .berry type trf
according to the winding:-
.single phase trf .three phase trf .polly phase trf
according to the cooling system:-
natural cooled trf .oil cooled trf .watet cooled trf .air blast cooled trf
according to the output:-
auto trf .instrument trf(current trf,potential trf)
according to commercial use:-
.power trf .distribution trf
according to the location:-
.indoor trf .outdoor trf

Answer / manoranjan

Types of transformer is many ways
1. as per wdg. arrangement a) Core type b) Shell type
2. as per cooling a)oil cooled b) air cooled c) forced cool
as on

Answer / parvesh1989

two types of transformers...


1. shall type transformer

2. core type transformer

Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

0 Answers  

---

How to connect the earthing in aircraft?

1 Answers  

---

Y phase's (RYB) r only 3,not 4 or 5?plz answered in breif?

1 Answers  

---

Genreally distribution transformers are having Star/delta connections to provide phase and neutral to the consumers. Is the neutral of the star conncted secondary grounded in these transformers?

1 Answers  

---

tell me any book for current n potential trasformer with full knowledge ?

1 Answers  

---

---

what is V0/V rating of cable

1 Answers  

---

All the voltage drops and the source voltage added together in a series circuit is equal to

2 Answers  

---

why use in & out Diesel line in dg set.

1 Answers   NHPC,

---

what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

1 Answers  

---

is there any concept of armature reaction in Induction motor?

4 Answers  

---

what is the difference between equipment earth and system earth.

1 Answers   Hofincons,

---

If the characteristic Impedance is equal to load Impedance then…… a) voltage will be increased b) power transmission is zero c) …… d) max. power is transmission to load

2 Answers  

---