Answer / ajay k mathew

core type transformer has greater core while shell type has greater windings.shell type construction is more cost effective in case of transformers above 50kva.

Answer / gaurika

in a core type transformer,the core is surrounded by the
windings. in shell type, the winding is surrounded by core.

Answer / m s kumar

Core type construction: For large low voltage transformers
Shell type construction: For small high voltage transformers

Answer / balu balaji

In core type transformers Each and every limb is ocupied with the both primary and secondary winding aree placed succesively arround each limb
In shell type ransformers is consturcted with the three limbs.
both primary ad secondary winding are wound around the central lmb..........

Answer / raju dutta

core type transformer has single magnetic circuit but shall
type transformer has double magnetic circuit.

Answer / sagar

In shell type transfomer flux is divided into two different path so core loss or iron loss is less in shell type transformer than core type transformer

Answer / santhosh

Core type is winding surrounding by the core so winding is increased but shell type is core surrounding by winding less winding is used so copper loss decrease compared to core

Answer / shripad

Core type transformer has single magnetic circuit but in shell type double magnetic circuit is used.

Answer / sandeep mukherjee

In core type xmer are basically used for high-voltage while shell type is used for low-voltage

And in core type the winding are done in both the limb
But in shell type winding is done in a comman limb which is in the middle of both the limb
In other word we can say that core tpye xmer are surrounded by winding while in shell tpye are surrounded by the core

Answer / karthik raman.b

for smaller machine shell type construction is best for larger machine we need core type

how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

0 Answers  

I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

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