Hi,
How do we decide, if need a HRC fuse for a particular application. I spoke to one of the ferraz shawmut application engineer and he advised me that all of their fuses are HRC. Is there any other type also?
Thanks
Hi,
IF case of a 20/26 MVA Oil natural fan cooled transformer, if the base impedance is %z =7 on 20 MVA, and when the loading is 26 MVA, will the percenatage impedance change and so will the fault contribution of Transformer. I mean, will a transformer generate different fault current depending...
Hi,
If any body has come across any guidelines in grounding in rocks and permafrost(A place where soil temp. is below 0 degree cent.). Any ideas to investigate or start an issue like this.
Thanks
Hi,
I am trying to find a code in CSA that states that in a cable tray, No two different voltages level cables can not be laid togather. For example, a 1 KV and a 5 KV cable can not be in the same cable tray. If any body has come across a rule like that.
Thanks
Hi,
I am not an instrumentation guy but have to do a temp on and off control for three heaters rated at 720 W at 240 V AC each. I selected Honeywell T775C1009 controller
http://customer.honeywell.com/Techlit/pdf/63-0000s/63-2489.pdf
On Page 14, is the model I selected. It has a 4 relay output...
Hi Everybody,
I am located in Canada and was talking to a company in US about a chute heater for heating of chute plates so that ore does not stuck in winter. The guy told me, who was an electrical engg, that they have heaters in 120v and 240 V types. As I have to come up with an arrangement to...
Hi Everybody,
I am not a protection and coordination guy but I am venturing to this new area and it is an exhaustive field. Could you plz advise me, where on the web I can find a literature section that can give me a better idea about types of CT's and PT's and selection criterion. As for...