Understanding 3-pin vs 380/415V Electrical Supply

In summary, the conversation discusses the possibility of hooking up equipment that requires 380/415V 3ph 50hz 4 wire supply to a 3-pin (UK) electrical supply. It is possible to convert single phase to 3 phase, but it is expensive and involves converting single phase to DC and then chopping it into three streams of pulse width modulation. However, it is possible to get all three phases brought into a house for an extra cost, which may be suitable for the equipment.
  • #1
vultac
3
0
Hi Guys,

Im staying in a country that has 3-pin (UK) electrical supply.

I recently come across one of my equipment that need 380/415V 3ph 50hz 4 wire supply.

Please advise isit possible to hook them up? what's the difference.
 
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  • #2
It is possible to convert single phase to 3 phase, but it is expensive to do this.

It involves converting the single phase to DC then chopping the DC into three streams of pulse width modulation, each 120 degrees apart.

So, you wouldn't do it unless you really had to.

However, the domestic supply in Australia (and probably the UK) is 3 phase at street level and one of the phases is brought into houses with a neutral. By paying extra, you can get all three phases brought into the house.
The voltage between phases is 240 * √3 or 415 volts.
This might be suitable for your machine.
 

FAQ: Understanding 3-pin vs 380/415V Electrical Supply

What is the difference between a 3-pin and 380/415V electrical supply?

A 3-pin electrical supply refers to a standard household outlet that provides a voltage of 120V in North America and 230V in most other parts of the world. On the other hand, 380/415V electrical supply is a higher voltage typically used in industrial or commercial settings.

What are the advantages of a 3-pin electrical supply?

A 3-pin electrical supply is generally safer for household use as it provides a lower voltage that is less likely to cause electric shocks. It also allows for a wider range of electrical devices to be used without the need for a voltage converter.

Why is 380/415V electrical supply used in industrial settings?

380/415V electrical supply is used in industrial settings because it can support heavier electrical loads and is more efficient for powering large machinery and equipment. It also allows for longer distances of power transmission without significant power loss.

Can a 3-pin electrical supply be converted to 380/415V?

No, a 3-pin electrical supply cannot be converted to 380/415V. The voltage level is determined by the power source and cannot be changed without significant modifications to the electrical system. Attempting to convert a 3-pin supply to a higher voltage can be dangerous and cause damage to electrical devices.

Is it safe to use a 3-pin electrical device with a 380/415V supply?

No, it is not safe to use a 3-pin electrical device with a 380/415V supply. The higher voltage can damage the device and pose a safety hazard. It is important to always use electrical devices with the appropriate voltage supply to avoid accidents and damage.

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