Answer / mr.engineer

It will step down Voltage.

Answer / muhammad saqib rafique

It will be step down transformer

all electricals questions

2 Answers  

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What is tan delta & PPM in transformer? and whats its IS value?

0 Answers  

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11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

0 Answers  

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why motor starting current is High ?

11 Answers   Bhel, Jindal,

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what difference between tapping -15% to +5 % and -5% to +15% tap. & how can define HV turns on maximun & minimum tap of power transformer.

2 Answers  

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what is cathodic protection and why it use in industries?

0 Answers  

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what is the dedicated earthing

1 Answers   Reddy Labs,

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what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

0 Answers  

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I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

0 Answers  

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what is post close & pre close of trip circuit supervision relay in circuit breaker control scheme?

2 Answers   ABB, NEK, Power,

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What is high frequency grounding????Applications........

1 Answers   Emerson,

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in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?

1 Answers   DLF,

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