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Hello Can someone recommend testing equipment one can use to simulate both digital and analogue singles that a commissioning technician can use ? What input generators can be used to feed 0/1 signals to PLC ? Thank

Dear all, I would like to control motorised operated valves using PLC which is in turn is triggered by a manual switch . I’m now adding a scada system and want to be able to trigger both the PLC using the manual switch and the scada ( simply by triggering a digital input signal ‘1’). What are...

Hi everyone, I am looking at a system wich will be designed for an crude oil company which involves some pipelines,pumps, site instruments etc. I am now given the process information and was wondering if someone could help me work out weather ASME class 300 or 600 is required? Operating...

I am working on a project where a company is bidding with a solution for a pump which he claim meets our requirements. He mentioned the pump vendor combined ISO standards ( ISO 2858 and Iso5199) to meet our requirements. I am just wondering if it's true that vendors can combine standards when...

hello there, I am working on a project where I am asking a vendor to provide me with a system of a pressure rating of ANSi #300. The vendor has recommended both ISO15783 and ISO2858 pumps. Please let me know if the suggested pumps are compliant with my system?

Hello Friends, I am control engineer and currently working in the design of crude oil skids. I have just started the job and I find myself dealing with various terminologies that I do not understand including SS316/304, pressure rating , ANSI rating ( #150,300 etc), pipework standards ( ASMI...

Hello, I am new to installation and commissioning and was wondering if anyone has a guide or a manual on the type of installing, testing and commissioning procedures for all site equipment that are generally connected with plc including, pressure, flow, temperature transmitters, flow control...

Hello all, I am doing the earthing for date centre , as shown in the attached drawing, we have four racks each of which is fed from a different source ( different DBs and switchboards), can someone show how the earthing can be done? With this be affected by the fact that each rack is fed from...

Hello, I am designing the power infrastructure for a factory that has around 20 CNN, Welding , drilling machines etc ( with loads between 4A to 50A) and based on the loads I have, the max amperage demand is around 400A with a diversity of 50%. with this in mind, one can supply these through...

Hello, Do we normally need to take the charging current into consideration when we size the MCB for static inverters? says we have (3Phase in-1phase out) 11KVA static inverter , what would be a good size that we can use for the MCB when supply voltage is 415V?

Hello everyone, can someone give me a firm answer on the way in which generators feeding fire pumps can be sized ? is this carried out with respect to the inrush current or the nominal bearing in mind the first is 3times the latter ( start Delta starting)?

Hello friends, could someone please explain the main difference between a ring main unit and MV switchgear. in a substation do we have to have the two?

Hello friends, I am just wondering if there are any useful online courses in electrical design, that I can be introduced to please, preferably British standards but open to other standards ? anything related to substation design, MV and LV distribution network design, cable sizing etc

hello, I am trying to learn about HV and LV distribution networks for healthcare facilities ( hospitals etc) from british standards point of view . Does anyone have any good guides or materials please ? I have a cope of the HTM.

Hello friends I’m new to MV circuit breaker sizing . Could someone help me size the MV vacuum circuit Breakers A,B, C and D below please We have a 11kv cable suppling a MV switchgear (A) which is also supplied by a 2mva (B)generator . The switchgear is supplying two substation with 2.5mva and...

Hello friends, Can anyone explain how earthing cables sizes can be calculated to comply with BS7671 please? any supporting documents or materials would be appreciated. Thank you

Hello friends, Does the type of transformers ( Knan, onan etc) one can use matter depending on whether they will be placed inside or outside a substation ? could someone explain what the rule is on this. thank you !

Hello everyone, From water electrical engineers point of view, what does ‘Production of MCC/ Control Panel details including ICA information’ mean? Also, could anyone share any useful materials or guides on the design of control panel and MCC in the water industry . Thank you.

Hi , I am just wondering what the difference between Amtech and Etap? can one find all the facilities Amtech offers in ETAP?

Hello everyone, I am an electrical engineer very new to building services, I would like to know what exactly I need to know in order to do well in the field. I am starting a new job in building services but not sure what I will be expected to do and what exactly I need to be capable of . Do you...