Answer Posted / sa
It is a protection to provide upper safe limit of current
i.e. genrally 110%.
Is This Answer Correct ? | 6 Yes | 1 No |
Post New Answer View All Answers
Why efficiency of generator is higher than motor at a particular load?
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
What is reverse power relay?
How to improve fuel cell in a distribution system?
Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices
How PSV sizing being done
How to calculate the Efficiency of Chiller
need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.
what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?
The shot circuit in any winding of transformer result? Explain
15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help
what is the difference between general inverter and solor inverter clerly explain plz
What is Phase margin?
I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.
How can we choose the rating of submersible motors