Answer / heeth

usually power transformers are designed to run at an
optimum efficiency nearing to full load rating. So usually
power transformers are loaded around 90% of their rated
value..

Why can't we parallel Voltage transformer secondary circuits?

0 Answers  

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How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 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 L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9

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lorteny method

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What is the difference between Earth and Neutral?

2 Answers  

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What is the fullform of NS fuse

2 Answers   Google, JAL International,

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why a diode bridge is provided in vcb control circuit ?

2 Answers  

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what is GRR(Grid Rotot resistance)?Why it is used beside of LRS?

9 Answers   ACC, L&T, Sri Biotech,

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what is the difference between on line UPS & INVERTOR

2 Answers  

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Should transformer earthing pit, to be connect to earthing mat in Substation

4 Answers  

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dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

0 Answers   RRB,

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what is voltage, and how it makes the electron to move?

6 Answers  

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what is the use of neutral displacement relay

1 Answers   OCL,

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