Distribution transformer - Revision history

Jmdonev: 1 revision imported

2018-05-18T22:53:14Z

1 revision imported

← Older revision	Revision as of 22:53, 18 May 2018
(No difference)

Jmdonev at 03:13, 18 May 2018

2018-05-18T03:13:40Z

← Older revision		Revision as of 03:13, 18 May 2018
Line 1:		Line 1:
	[[Category:Done ~~2015~~-02-15]]		[[Category:Done 2018-05-18]]
	[[~~Category:Check images~~]]		<onlyinclude>A '''distribution transformer''' is the type of [[transformer]] that performs the last [[voltage]] transformation in a [[distribution grid]]. It converts the voltage used in the transmission lines to one suitable for household and commercial use, typically down to 240 [[volt]]s.</onlyinclude><ref name=a>''How Power Grids Work'' [Online]. Available: http://science.howstuffworks.com/environmental/energy/power9.htm</ref> These transformers are ''pole-mounted'' if the transmission lines run ''above'' ground (see figure 1), and they are ''pad-mounted'' (see figure 2) if the transmission lines lie ''underground'', as is the case in many suburban areas. The pad-mounted transformer is usually green and visible on the front lawns of many homes.
	[[~~File~~:~~Pole~~-mounted ~~distribution transformer.jpeg \|thumbnail\|right\|Figure~~ 1. ~~A single-phase pole~~-mounted ~~distribution~~ transformer]]

	<~~onlyinclude~~>A ~~'''~~distribution transformer~~''' is the type of [[~~transformer~~]] that performs the last [[voltage]] transformation in a [[distribution grid]]~~. ~~It converts the voltage used in the transmission lines to one suitable for household and commercial use, typically down to 240 [[volt]]s~~.~~</onlyinclude>~~<ref ~~name=a~~>~~''How Power Grids Work'' [Online]. Available:~~ http://~~science~~.~~howstuffworks~~.com/~~environmental/energy/power9~~.~~htm~~</ref> These transformers are pole-mounted if the transmission lines run above ground (see figure 1), and they are pad-mounted (see figure 2) if the transmission lines lie underground, as is the case in many suburban areas. The pad-mounted transformer is usually green and visible on the front lawns of many homes.		<gallery caption="Two types of Transformers" mode=packed heights=300px>
			File:Pole-mounted distribution transformer.jpeg\|Figure 1. A single-phase pole-mounted distribution transformer
			File:Pad mounted transformer.jpg\|Figure 2. A pad mounted transformer box<ref>http://www.zeppaenterprises.com/electric.html</ref>
			</gallery>

	[[~~File:Pad mounted~~ transformer.~~jpg\|thumbnail\|left\|Figure 2~~. ~~A pad mounted transformer box~~<ref>~~http://www.zeppaenterprises.com/electric.html~~</ref>]]		==Connections==
			Every [[utility pole]] has a [[grounding]] wire. There is also a grounding [[wire]] that accompanies the two 120 volt hot wires that come from the transformer. These two 120 volt wires are 180° out of phase so that if both [[electric current]]s are used, there is a combined voltage of 240 volts. This allows for both 120-volt and 240-volt devices to be powered by the same [[distribution grid]].<ref name=a></ref>

	==~~Connections~~==		== For Further Reading ==
	~~Every~~ [[~~utility pole~~]] ~~has a~~ [[~~grounding~~]] ~~wire. There is also a grounding~~ [[~~wire~~]] ~~that accompanies the two 120 volt hot wires that come from the transformer. These two 120 volt wires are 180° out of phase so that if both~~ [[~~current~~]]~~s are used, there is a combined voltage of 240 volts. This allows for both 120-volt and 240-volt devices~~ to ~~be powered by~~ the ~~same~~ [[~~distribution grid~~]]~~.<ref name=a></ref>~~		For further information please see the related pages below:
			*[[Current transformer]]
			*[[Transformer]]
			*[[Electrical grid]]
			*[[Distribution grid]]
			*[[Connecting homes to the electrical grid]]
			* Or explore a [[Special:Random\| random page!]]

	==References==		==References==
	<references/>		<references/>
	[[Category:Uploaded]]		[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:31:00Z

1 revision imported

← Older revision	Revision as of 21:31, 26 August 2015
(No difference)

J.williams at 16:53, 12 August 2015

2015-08-12T16:53:06Z

New page

[[Category:Done 2015-02-15]]
[[Category:Check images]]
[[File:Pole-mounted distribution transformer.jpeg |thumbnail|right|Figure 1. A single-phase pole-mounted distribution transformer]]

<onlyinclude>A '''distribution transformer''' is the type of [[transformer]] that performs the last [[voltage]] transformation in a [[distribution grid]]. It converts the voltage used in the transmission lines to one suitable for household and commercial use, typically down to 240 [[volt]]s.</onlyinclude><ref name=a>''How Power Grids Work'' [Online]. Available: http://science.howstuffworks.com/environmental/energy/power9.htm</ref> These transformers are pole-mounted if the transmission lines run above ground (see figure 1), and they are pad-mounted (see figure 2) if the transmission lines lie underground, as is the case in many suburban areas. The pad-mounted transformer is usually green and visible on the front lawns of many homes.

[[File:Pad mounted transformer.jpg|thumbnail|left|Figure 2. A pad mounted transformer box<ref>http://www.zeppaenterprises.com/electric.html</ref>]]

==Connections==
Every [[utility pole]] has a [[grounding]] wire. There is also a grounding [[wire]] that accompanies the two 120 volt hot wires that come from the transformer. These two 120 volt wires are 180° out of phase so that if both [[current]]s are used, there is a combined voltage of 240 volts. This allows for both 120-volt and 240-volt devices to be powered by the same [[distribution grid]].<ref name=a></ref>

==References==
<references/>
[[Category:Uploaded]]