Hi, I need your input to understand correctly the way of sizing the grounding ring. Ground Ring not less than 2 AWG Cu per NEC.
I worked in a design of an industrial building with 3,000 A service, the ground ring that encircle the building was spec 4/0 and have not received comments on that...
I need to represent two low voltage circuit breakers mechanically interlocked, N.C. and N.O. respectively. How do you simulate this with SKM software ?
Thanks
Is there a minimum separation recommended between a Data Center and a 115KV Substation. The Ground Potential Rise in an existing Data Center adjacent to a 115KV substation (wall to wall) is 809V, there's a concern about the EMI affecting the performance of the servers, routers, etc.
GPR of 809V...
Hi,
A question about a switchboard rated 3,000 Amps, 480V, 3 phase. When we say in our drawings that the equipment is 3,000 Amps, the manufacturer always provide the equipment with the busbar rated 100% or we have to specify in our drawings, that the bar is "3,000 Amps, 100% rated". Thanks for...
Hi,
I have a question about an automatic transfer switch, 3000A rated with bypass. Can you tapped an additional load off the load terminal of an automatic transfer switch? Is that legal? Thanks
I have a Secondary Unit Substation, the transformer is rated 2500 KVA, 13.2KV Primary - 480V Secondary, 3 phase. I was providing overcurrent protection and differential protection to the transformer but other engineer eliminated the differential protection because he said is too expensive and...
I have 4 medium voltage generators (13.8KV) connected to a paralleling switchgear. The generator's manufacturer is recommending to use a load interrupter switch, SF6 type, rather than a simple safety disconnect switch on each generator. I know that the circuit breakers in the paralleling...
