which relay is better , instantaneous or IDMT relay .
Answer Posted / karthik
for metering, protection all will be taken in one CT --only core will be varied in that CT
for measurement -1s1,1s2
for protection - 2s1,2s2
only one CT is used
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
While testing LA mast,What are the parameter limits ?
What is Control & Relay Panel? And Remote Control Center?
List the power rating of any 5 important electrical appliances used in houses.
how to find the Motor,s insulation Power?
Vibromotor 252MV 1/4HP2P..what is mean by 252MV?
What will happen if the voltage in my house drops from 220V to any lower voltage?
What are the different types of transformers?
why different series of vfds (like allenbradley)are used in industry ?
What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )
what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..
What is the important precuations need tocarried out while working with Electrolite in Battery PM?
What is primary and backup protection?
What is the purpose of stablization resistor in high impedance bus bar protection
what r the checklist while installing a 380 kva DG set
What is minimum permicible value of leackage current for LT Panle when applying voltage up to 3 KV for 5 Minuits?