11 Years Factory FTYB Series Box Type Substation to Brazil Manufacturer
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Box-type transformer substation is kind of removable pre-installed transformation and distribution device that integrated high-voltage switch, transformer, low-voltage switch as on. It is suitable for mining, industrial enterprises, oil and gas fields, new development zones, construction sites, especially suitable for land-tight urban public power distribution facilities, high-rise building power distribution and transformation, residential quarters, scenic areas, with a advantage of small size, convenient on-site constructing, easy operating, high reliability, good shape and environmental coordination.
Electric Motor & Wiring Diagram
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Describes with detailed information how to test automotive electric motors, fuel pump analysis, cooling fans, etc. When diagnosing a faulty automotive motor it is often impossible not to perform major disassembly, such as the fuel pump itself. Learn the procedures that’ll save time during the diagnostic process.
Presented here using the latest graphics and animation technology. Part of our wiring diagram set of videos shown here on this channel. Enjoy…
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Peoples…Look at what I scored recently! My first three-phase plug and coupler! YAY!
While I don’t have a 3-phase supply, I intend to make something which is not only a pin configuration convertor, but also a three-phase to single-phase convertor.
This needs no transformers or complex electronics, because the supply characteristics of an industrial supply naturally has two voltages present within it. They are:
(1) 400-415v phase-to-phase
(2) 230-240v phase-to-neutral (or earth)
Due to this, it is possible to take a three-phase plug which also has a neutral contained within it, access the potential of one of the phases, and then use the neural to achieve the lesser of the two potentials, which is 230-240v.
Because this is possible without the use of transformers or any electronics, I am going to make a convertor from the industrial three-phase BS EN 60309-2 ( Equivalents: BS 4343 or IEC 309 ) and convert over to domestic single phase BS 546. Alternatively, I could attach a BS 1363 socket instead.
By doing this, it would be possible to connect a single-phase appliance to an industrial 3-phase and neutral 16A socket without damaging it.
So…..What about the coupler? What am I going to do with that?
Well, both the plug and coupler came as one sale. I don’t have a three-phase supply, BUT I just may have a use for the coupler……
Of course, I cannot make three-phase out of one phase. For that, complex electronics are needed, like a Variable Frequency Drive ( VFD ) or a mechanical Rotary Convertor which can electomagnetically produce a simulated 3-phase supply for loads upto the limit of the rotary convertor itself.
I have neither a VFD or Rotary Convertor.
Now then, because the coupler has a neutral pin, just like the plug does, it would be possible to use this as a restricted-access coupler, whereby only one of the phases are wired, along with the respective neutral and the earth pins.
Although a bit unorthodox, some marinas also do this to prevent boat owners casually mooring-up, and connecting into the supply without the harbour-master’s knowledge. What they do, for a small deposit, is to provide a red three-phase and neutral plug, onto which is wired a blue single-phase coupler. Using such a convertor, the harbour-master can, through some degree of access restriction, reduce unauthorised, unknown casual connections into the electricity supply. Only after a boat owner has contacted the harbour-master, paid a deposit for a convertor, a mooring fee and possibly an upfront fee for electricity, is he then able to connect his boat into the supply.
Of course, this is an unorthodox way of doing things, but given that it is done with three-phase and neutral sockets that are wired correctly, and of the correct rating, there generally shouldn’t be any safety concerns.
Keeping in mind that it would be possible for me to use the red three-phase and neutral coupler on a single-phase supply to restrict access, provided that I wire the live to one of the phase pins, and the neutral and earth wires to their respective pins, and not overload the coupler, there shouldn’t be any reason for me not to use it. Of course, this SHOULD NOT BE DONE in an industrial situation, because someone could easily confuse a single-phase-wired red coupler for a three-phase supply, and upon connecting a three-phase appliance to the single-phase wired red coupler, it would cause the appliance to run erratically, because it would be attempting to run with two phases missing. this would also risk damaging the appliance.
So! Provided that I keep my single-phase wired red coupler away from industrial environments, and three-phase appliances, there shouldn’t be any problems with me using it as a form of access restriction to a supply.
There we go, peoples.
Thank you for watching.