Switchgear layout and location

Sir

The points enumerated take care of the issue fully however future expansion might also be looked into,while deciding the switchgear layout.

Very well stated.

Future expansion should also definitely be considered.

Thank you.

Ingress protection rating?

Ingress protection rating is essential cosideration for outdoor installations.

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Will you please tell me that 125A air circuit breakers are available for L.T Panels

2 hour fire rated wall enclosure and "B" lable rated doors. Room can be mechanically ventilated based on 3% of the total KW load. KW (3415) / 20 (1.08) = EXHAUST CFM.

Fire Alarm device, smoke detector installed in room above switchgear. Any wall penetrations for ducted ventilation shall have a fire damper installed.

Quite useful suggestions and need to be considered as well.

Hello Sir,

Sir can u please give me a layput drawing, so that i can study how to locate the switch gears in the layout, for example: 1 how to locate the 3-Phase sockets in the layout, near the Equipments, Telephone points, DATA Points, Single phase sockets, CFL Fixtures, Switch locations and many more

Sir please tell me how to represent above mentioned item in the Plant layout, sir i need with symbols..

I hope u will do the need full.

Thanking u

My E-mail id is

mcgan007is@hotmail.com

thank you .

Regards

Gangadhar.M.C

Dear Sir,

It is better to consider the cost/sqft also during the design as real estate prices going HIGH &HIGH.

Regards,

Hareesha

You are right .

The system in India is yet to acknowledge this factor .

The Architects , Electrical Consultants & End Users are , on an average , are not giving due weightage for this factor .

There are solutions available , even indigenously , like the D Pan of L & T Make .

RK

sir

please can you tell me that why we usually use LA's near to the transformers only

is there any specific reason?

if so please make me clear

I assume LA means Lightening arrestors.

It is protection provided for the transformer (more of) if it is an outdoor transformer

lightning arrestors are used to protect electrical equipments such as transformer, transmission lines,etc..from lightning stroke which causes undesirable effect in transformer operation or may cause burning effect also it can damage all appliances which are connected to it.

you can directly contact me at

shrikantr@adityabirla.com OR shrikantramtekkar@yahoo.co.in

regards

shrikant Ramtekkar

The minimum requirements of switchgear layout and location are well briefed. I would like to add that design factor will change depending on the voltage range of switcher vis 0.44 KV , 11KV , 33 KV ,132 KV etc.and type of transformer used ( Dry type or OFT). Hazardous area classification will have to be strictly followed in case of installations handling Explosives / chemicals

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