What is the function of a pressure Switch in a Substation?

2 Answers  

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When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

0 Answers  

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how does a submersible pump work..?

0 Answers  

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what is power factor?

7 Answers   CA,

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For overhead protection we use which transformer?

0 Answers  

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what is the merz prodution ? what is the turn to turn fault?

2 Answers   L&T,

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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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what is phase angle ? and also tells me why my phase-phase voltages are 390 rather then my single phase voltages are 221 and 223 respectivly?

2 Answers  

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difference between high and low impedance BUS BAR relay??

0 Answers  

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how to find the resistance and gap volatage of the diode??

0 Answers  

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What is GIS (Gas Insulated Switchgear)

3 Answers   Power Grid,

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testing ZNYn11(d) vector group transformer

1 Answers  

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