Answer / narendra sharma

STEP UP transformer because they transfer the supply through
long distance cables

Answer / shashibhushan

In switch-yard, a power transformer is used to step up or
step down the transmission voltage.

Current and Voltage transformers are located at points
within the switch-yard to provide for metering and relaying.

Answer / ankalreddy.s

In Generating sub Station normally Step up transformers to
step up 11 kv to Transmission Voltage and vector Group is
Star delta.

Ankal Reddy.S

Answer / pradeep

Step up transformer

Answer / shafi

Dear All, for your information, eithere in s/s or in
generation plant or power distribution or step up or step
dowan, application of transformer in switchyard mainly
power transformer with oil & spacified DYn11 transformers

Answer / anilkumar

SELECTION OF TRANSFORMERS DEPENDING UP ON SO MANY
FACTORS...LIKE VOLTAGE GENERATED,CAPACITY OF POWER
PLANT,..ETC..IT MAY BE STEP UP OR STEP DOWN ..POWER OR
DISTRIBUTIONS..ETC..THAT WILL DECIDE THE CONSUMER REQUIREMENT.

Answer / priyatham

core type transformers are used for high voltage rating

Answer / shafi

Spacificaly In power plant Step Up transformer, oil filled
type, ONAN to be used

Answer / lb chongthu

STEP UP/STEP DOWN AUTO TRANSFORMER 400 KV/132KV are also
used for long and VERY high Voltage. 11 KV/ 132 KV are also
very common in used for transmission.

Answer / m.saravanakumar

stepdown transformer are used in switchyard in power plant because to provide for metering and relaying.

Should power factor be low or high?

0 Answers  

3phase cable calculation formula by motor load

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1 Answers  

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why do we use star-delta starter. what is its need?

6 Answers  

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4 Answers  

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0 Answers  

ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

0 Answers