What are the effects of corona in switch yard.
Answer Posted / powerplant.calculations
High voltage lines during cloudy and rainy seasons create ionization of air surrounding the surface of conductor giving audible, violet, visible, intermittent discharge called corona.
Corona creates hissing sound, vibrations and power loss and radio interference
Refer for more information on basics of electrical.
https://www.powerplantandcalculations.com/2020/07/60-best-questions-answers-on-basics-of-Electricals-for-powerplant-mechanical-engineers.html
& website
www.powerplantandcalculations.com
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is the trip circuit supervision in an electrical meaning?
can u please tell me how to calculate the concrete quantity for a under reamed pile? r=300mm,depth=3m for a cylinder and for bulb l=.750mm,width=.525
What is surging in a centrifugal compressor ? How it occur's ? How is antisurging done ?
What is LB-SR.
operation
Which will have more strain energy 1.Spring 2.Circular disc 3.Solid square plate.
What is difference between secondary Air & Tertiary Air and Their use.?
We have Demin Closed cooling water system with expansion tank for cooling oil system. Expansion tank having N2 bladder. Whenever N2 bladder bursts out, Closed cooling water circuit pressure drops and make-up happening, eventhough there is no leaks. And how Circuit pressure drops?
How We Calibrate the vaccum transmitter?
what is the difference between compensated & normal drum level in boiler drum?
Qatar Fertiliser Company (QAFCO) Shortlisted me for interview (got the intel from my source) for Field Operator- Utilities post. Please let me know what kind of questions they asked? ... this position requires 5 years of experience in Power Plant and background Diploma in Electrical/ Mech. ... my Background is Electrical and I am a sub Assistant Engineer (Operation) at a private HFO based Power plant... PS: Please Let me know what preparation should I take to obtain the Interview which will be take place In Bangladesh soon
How do you consider that you can improve and what assistance do you need to achieve this
why is the in steam turbine axial displacement of active side thrust pad is positive and non active side thrust pad is negative.
How to calculate boiler capacity? I have 1 Autoclave, Which has to use for AAC block. Dimension for this Autoclave is - 13 Meter Length & 2.2 Meter Diameter.
DCS marshaling Cabinet Power supply can be replace during plant running time? Answer Yes it is possible. I am talking about the controller and cards power supply modules. They are always redundant and connected through diode so that if one power supply fails the other can take the charge immediately.so it is possible to replace one of them in running plant if the other one is healthy. MY question is how switching done.