Answer / riaz ahmed khan

OLTC-On Load tap Changer is used in transformers for voltage level step up or step down in load condition.

Answer / murthy ark

OLTC- On Load Tap Changer is used in Power Transformers for voltage level step-up or step-down in Load condition either at Local or at Remote / Auto or Mannual operation

Answer / tarun pradhania

OLTC - open load tap changer
OLTC is used in transformers for voltage level step up or step down.

Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

0 Answers  

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what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

0 Answers   L&T,

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WHY IN THREE PHASE CABLE 440V CURRENT FLOWS IF IN ONE PHASE 230V CURRENT FLOWS ???

3 Answers  

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what is the lemen of a single 5mm 13000mcd white led pls reply

1 Answers   Eskom, Sona,

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Explain what is Zener diode?

1 Answers  

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what is the sweep commenly used 1200mm sweep and 600mmsweep please tell me breifly sweep

1 Answers   Khaitan,

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1.What do you mean by inductive and capacitive parts of an electric circuit. 2.What do you mean by decrease of inductane and capacitance of a network? Please dont give me the text book answer.3. What is class X ct and its applications?

2 Answers  

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sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

0 Answers   UltraTech,

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What is the value of system voltage?

2 Answers   Bhel,

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power 148kw i need exat cable size in 148 kw in 3phase what size of cable can i used.

3 Answers  

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What is the use of iron core in a transformer?

0 Answers  

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WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?

1 Answers   BRG, Voltech,

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