Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

0 Answers   NCC,

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how can we represne the analog signal and digital signal if want to measure the speed and we have to use PLC

2 Answers  

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what will happen if frequency is below 50 hz?

0 Answers   Student,

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What are the main parts of VCB?

12 Answers  

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how many earthing should give for transformer body and nuetral

5 Answers   GMR, GOMS,

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what is priming pump?why it is used ?

2 Answers  

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how calculate the current faut level

2 Answers   ABB,

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Q. calculate the value of the resistor to be connected in series with a 100W; 230V lamp so that the wattage of the lamp is reduced to 35W

8 Answers  

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in magnetic field we send current to generate flux,why not voltage?

2 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

0 Answers  

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Why we get neutral from EB department, if not what will happen if we use earth instead of neutral? what is the result at the time of monsoon or rain with thunder and lighting ?

1 Answers  

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how do u calculate CT rating for 10 mva transformer

2 Answers   Enercon,

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