directional over current relay when acted & how it works

3 Answers   NCC, ThyssenKrupp,

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How to select the rating of a CT used for REF protection. The rating can be of equal rating of Phase current or neutral current rating

2 Answers   UltraTech,

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Explain marx circuit.

0 Answers  

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What does the kvar means?

0 Answers  

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Why do we twist copper to make cable?

3 Answers   Bhel, Integrated, MR Cables,

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Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

0 Answers  

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1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

0 Answers   KNJ,

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sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used

0 Answers  

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why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

0 Answers  

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what is meant by peak load

2 Answers  

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What is the difference between Class PX & Class X CT's

2 Answers   ABB,

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To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors

0 Answers  

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