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I have a come across terminology used in process design that describes how many units ( pumps, heat exchangers etc.) required, available and how many on standby. but I cant remember exactly how it works. Say if you need to deliver 500m3 /hr of cooling water and you have 2 X 500m3/hr pumps ...

Hi Bilalk, I am not a professional solar designer, I just assumed you would have to go into a lot more detail if you were doing a large commercial installation, as the owner, would probably want a lot more clarity on the expected payback time and rate of return. One thing i have noted with my...

Remember your nameplate capacity is based on the assumption that the panels are receiving the direct sunlight at the full angle. This will not be the case in practice unless you have a sophisticate tracking system. To be conservative, I would use something like 60% of the nameplate capacity,less...

Thanks, I am not on board at the moment , but form memory the transfer procedures are pretty much as you have described except we reduce load so it can be handled by one GT then synchcronize , then drop the GT load down to about 100kw and then open the breaker on the GT, this is to reduce the...

Thanks Waross, That's what I thought. As I said I did find some documentation that said the paralleling timer had been removed. The document also said it had been "tested and proved" to be okay. I assume that means someone qualified checked out the protection and found it was adequate. I am...

Good Day, I wish to describe an unusual situation I have come across and see if anyone has any opinions on which is the best way to set up the plant. I have recently been relieving as a casual on two offshore facilities- floating production , storage and offtake facilities, (FPSO's) The two...