why transmission line towers are longer than communication line towers?

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hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

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A transformer has negative voltage regulation when its load PF is A zero B unity C lagging D leading

1 Answers  

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How neutral voltage for transformer decided? eg 33kv neutral voltage for 200MVA transformer?

1 Answers   MEIL,

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In three phase supply why we use R Y B Colour not other.

4 Answers  

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In a dc series motor increases in lord current results in

4 Answers  

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Transformer Secondary maximum current (max. load)

3 Answers  

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what is the diff. b/w balanced and unbalanced load..?

12 Answers  

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Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

0 Answers  

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What do you understand by external characteristics of a d.c. Generator?

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what effect will 10 milliampere current cause to human body

1 Answers   NPCIL,

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what should be the spaciing between street lights designed for a manufacturing location. any IS codes?

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