what would u consider to be the basic purchase order
information you would need to proceed with a cable
inspection assignment?
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What's ND relay & it's functions?
why we are using auto transformer in sub station mostly???
What is the different types of cable & current capacity of cable
if we keep frequency constant can we cal a synchronous generator as a dc generator
What happens when the polarity changes in CT? Explain briefly?
1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
Why consider motor rpm to select capacitor for motor
can we start a 6.6kv ht motor with 415 lt supply
How could i check the earth connection of my home using a multimeter?????? If it is possible plz help me....
what is meant by auto transformer?
How to test lightning Arrester?
What does the term power factor shows?