Answer / najam sultan

the substation is a place from where we distribute electrical energy to consumers but we did not generate electrical energy at that place. The place where we generate and distribute electrical energy is called power station.

Answer / naveen

any step up or step down transformers with a protection equipment also acting as a source media in a distributed network can be called as substation.
e.g transformers located near apartments, street ends can be called as substation. based on the location placed it will be called as indoor and outdoor substation.

Answer / venu.k

while on transmission voltage will drop so currect the voltage we use substation with step up transformers capacitor bank etc.and there is an option to break the load also

Answer / noufal p

Substation can be defined as an electrical apparatus which mainly changes some parameters of grid such as Voltage and Current

Answer / bushra

For the good transmission of electricity at long distance,
step up transformers are installed in some places to boost the electrical energy for reducing losses.This type of places are called substations

is synchrnous pannel is need for two eqal rating transformers to run in parallel

1 Answers  

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This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

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How DC earth leakage currents can be reduced ?

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in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

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what is sf6 where it is use & working or function ?

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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Which state of India had first started power reforms?

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which calss ct's,pt', use protection,meatering and others

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how to calculate kA rating of device?

3 Answers   Siemens, Vijai Electricals,

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How instantanious short circuit current is calculated? its formula?

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WHAT ARE THE CHARACTERISTICS OF AN VOLTAG AMPLIFIER

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what s the differenc between electrical &electronis , how to define them

9 Answers  

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