What is 460 volts

Ground - Green with Yellow Stripe. The V 3-phase is used to power large loads like motors. The V is often used for lighting circuits and smaller loads. When this is the primary service to a facility you will typically find a transformer that is a V DeltaYV that power a sub panel to provide standard V for outlets and small loads.

The voltage between any one leg and ground will be volts , and between any 2 hot wires will be volts. There is no such thing as v single phase. It will be three phase power. It requires larger wires and components as well which makes it more expensive to use. On top of that, when an appliance is built incorrectly V is much more likely to arc, melt components, and start fires. So, the magnitude of net air gap vector will decrease. Voltage Measurement between Neutral to Ground : A rule-of-thumb used by many in the industry is that Neutral to ground voltage of 2V or less at the receptacle is okay, while a few volts or more indicates overloading; 5V is seen as the upper limit.

Three - phase electric power requires less conductor mass for the same voltage and overall power, compared with a two- phase four-wire circuit of the same carrying capacity. It has replaced two- phase power for commercial distribution of electrical energy, but two- phase circuits are still found in certain control systems. Single phase requires the single wire to connect the circuit whereas; 3 - phase needs 3 -wires.

The voltage of the single phase is V, whereas three phase voltage is V. The loss in single phase is maximum whereas in three phase is minimum. The single - phase efficiency is less whereas in three phase is high. In addition to the 3 hot wires and the neutral wire, an earth ground wire is needed as well.

A three- phase circuit provides greater power density than a one- phase circuit at the same amperage, keeping wiring size and costs lower. In addition, three- phase power makes it easier to balance loads, minimizing harmonic currents and the need for large neutral wires.

For a normal, single- phase power supply at volts, the maximum current would be amps. If a three- phase supply is available, then the 24, watts are divided by 3, meaning that watts is being used per phase. Doing so causes incandescent lamps to burn out faster and causes resistive loads to consume more current than they would at a lower voltage such as Vac.

The Vac Mains is treated exactly the same way. Maximum voltage is supposed to be Vac but nominal voltage is set to Vac. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Why is distribution voltage V but equipment is usually only rated for V? Ask Question. Asked 6 years, 6 months ago. Active 6 years, 6 months ago. Viewed 13k times.

From what I have seen. The supply panels usually have a V rating sticker on them. I once read equipment is rated at V because the voltage loss between the distribution transformer and the equipment is taken into account.

However I can no longer find any literature to support this. Section on Voltage levels. Red Flag This Post Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. The Eng-Tips staff will check this out and take appropriate action. Click Here to join Eng-Tips and talk with other members! Already a Member? Join your peers on the Internet's largest technical engineering professional community.

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Promoting, selling, recruiting, coursework and thesis posting is forbidden. Students Click Here. Related Projects. I have a piece of equipment that says it needs Vac, 60Hz, 3-Phase.