HAI,I HAVE 6,60KW MOTOR FEEDERS IN MY MCC PANEL.HOW CAN I
DO MY SETTINGS FOR
OVERLOAD,SHORTCIRCUIT,GROUNGFAULT,INSTANTANEOUS TRIP
FUNCTION IN MY 4000A CIRCUIT BREAKER?
Answer Posted / k.prakashchandra
Set OCR at 110 % of rated current, ground fault at 10-20 %
of OCR,inst trip at 2 to 6 times the OCR and SC(inst) at 8
times the OCR.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
aternator every parts and its working
why is the conservator tank painted white on the transformer
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?
what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?
how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids
How to calculate Air conditioning capacity for a telecom BTS shelter?
why the carbon brushes are broken in srim while the motor runningtime
How many size of cable required for a 300m long and 30kw inductive lode
Why delta star trformers are used for lighting loads?
Explain about retrofitting of machine tool.
there are cam operated switches - why we call cam operated , What is cam ?
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.
WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?
How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?