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| EU/t means '''Energy unit per tick'''. It is a derived unit of energy over time, a rate of EU consumption or production, similar to the SI derived unit [http://en.wikipedia.org/wiki/Watt Watt]. | | EU/t means '''Energy unit per tick'''. It is a derived unit of energy over time, a rate of EU consumption or production, similar to the SI derived unit [http://en.wikipedia.org/wiki/Watt Watt]. |
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| To measure the average EU/t transferred through a wire over time an [[EC-Meter]] can be used. If clicked once on a cable it will begin measurement. Clicking the same cable again will display the averagely measured EU/t and over how many ticks the measurement took place. It will also begin a new measurement on the same cable. | | To measure the average EU/t transferred through a wire over time an [[EC-Meter]] can be used. If clicked once on a cable it will begin measurement. Clicking the same cable again will display the averagely measured EU/t and over how many ticks the measurement took place. It will also begin a new measurement on the same cable. '''The EC-Meter is not implemented in the latest version of IC2, and will not do anything.''' |
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| EU/t transfer can also be observed by the rate of change in EU capacity displayed by storage devices like the [[batbox]]. | | EU/t transfer can also be observed by the rate of change in EU capacity displayed by storage devices like the [[batbox]]. |
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| Minecraft normally operates at about 20 ticks per second, unless you are experiencing server [http://mcserverwiki.com/index.php?title=Reducing_Lag lag]. Therefore, under no lag conditions, the rate of EU/sec is 20x EU/t. | | Minecraft normally operates at about 20 ticks per second, unless you are experiencing server [http://mcserverwiki.com/index.php?title=Reducing_Lag lag]. Therefore, under no lag conditions, the rate of EU/sec is 20x EU/t. |
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| == EU/p ==
| | Machines and cables will explode if they are exposed to too much EU/t. This differs from the old system, where there was a separate "voltage." |
| EU/p means '''Energy unit per packet''', and is the amount of energy contained in each EU packet. It is also known as voltage.
| | In the current system, voltage and EU/t are the same thing. |
| This is important because machines will explode and wires will melt if they are exposed to packets which are too large.
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| EU/p is almost always fixed for a given wiring setup, as opposed to EU/t which may change as machines turn on and off, storage units fill up, or generators run out of fuel. [[Nuclear reactor]]s and some generators from addons can emit different packet sizes, but most devices always emit the same size packets.
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| EU/p ranges from 1 to 2048 EU, and can occasionally be higher. The sum of the EU value of all EU-Packets travelling through a cable or device in one tick is EU/t.
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| There is also packets/tick, or p/t, which can be involved in calculations but is not normally used. If all packets on a wire are the same size, then on that wire EU/t = EU/p * p/t.
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| === Emitters ===
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| * Generators and storage devices emit one packet/tick. This means their EU/p output = their EU/t output.
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| * [[BatBox]]es emit 32 EU/p (and therefore 32 EU/t). [[MFE Unit]]s emit 128 EU/p. [[MFS Unit]]s emit 512 EU/p.
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| * Transformers behave somewhat like storage units. An LV tranformer will store up to 128 EU. An MV transformer will store 512 EU. An HV transformer will store 2048 EU. In addition, they are capable of outputting 4 packets/tick. This means a single MV transformer can output 512 EU/t and 128 EU/p when in step-down mode. It cannot output 2048 EU/t and 512 EU/p in step-up mode because it cannot store 2048 EU.
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| === Cables ===
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| [[Cable]]s are limited by the size of EU-Packets that may travel through, NOT the number of packets, NOR the total EU/t contained by these packets. If an EU Packet too large for a cable to handle tries to pass through, the cable will be destroyed.
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| For example, an unlimited amount of 32 EU-Packets can pass through a Copper cable per tick, but not a single 128 EU-Packet.
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| Energy loss of a cable is applied to every EU-packet, not the total EU/t passing through. Ex. Using a gold cable, sending 4 32 EU-Packets in a cable (by using 4 [[batbox]]s) results in 4 times the energy loss of sending one 128 EU-Packet (by using a [[MFE Unit]]). See the [[Cable#Voltage Efficiency|Voltage Efficiency]] section for more information.
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| === Packet Sizes ===
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| {| class="wikitable"
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| ! Name
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| ! Packet Size
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| ! Emitters
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| ! colspan=5 | Cable
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| |- style="height: 32px;"
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| | align="center" | '''Micro Voltage'''
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| | align="right" | 0-5 EU
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| | [[Solar Panel]], [[Water Mill]], [[Wind Mill]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Tin Cable.png|link=Tin Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Copper Cable.png|link=Copper Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Gold Cable.png|link=Gold Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Glass Fibre Cable.png|link=Glass Fibre Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid HV Cable.png|link=HV Cable]]
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| |-
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| | align="center" | '''Low Voltage'''
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| | align="right" | 32 EU
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| | [[Batbox]], [[LV Transformer]],[[Nuclear Reactor]],[[Generator]],[[Geothermal Generator]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Copper Cable.png|link=Copper Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Gold Cable.png|link=Gold Cable]]
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| | style="border: 0px;" align="center" |[[File:Grid Glass Fibre Cable.png|link=Glass Fibre Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid HV Cable.png|link=HV Cable]]
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| | style="border-right:0;border-left:0" |
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| |-
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| | align="center" | '''Medium Voltage'''
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| | align="right" | 128 EU
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| | [[MFE Unit]], [[MV Transformer]], Redstoned [[LV Transformer]],[[Nuclear Reactor]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Gold Cable.png|link=Gold Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Glass Fibre Cable.png|link=Glass Fibre Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid HV Cable.png|link=HV Cable]]
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| | style="border-right:0;border-left:0" |
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| | style="border-right:0;border-left:0" |
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| | align="center" | '''High Voltage'''
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| | align="right" | 512 EU
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| | [[MFS Unit]], [[HV Transformer]], Redstoned [[MV Transformer]],[[Nuclear Reactor]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid Glass Fibre Cable.png|link=Glass Fibre Cable]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid HV Cable.png|link=HV Cable]]
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| | style="border-right:0;border-left:0" |
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| | style="border-right:0;border-left:0" |
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| | style="border-right:0;border-left:0" |
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| | align="center" | '''Extreme Voltage'''
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| | align="right" | 2048 EU
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| | Redstoned [[HV Transformer]],[[Nuclear Reactor]]
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| | style="border-right:0;border-left:0" align="center" |[[File:Grid HV Cable.png|link=HV Cable]]
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| |-
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| |}
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| A [[Nuclear Reactor]] is able to provide variable sized packets based on setup, the maximum possible energy output is around 3600 EU\t.
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| == An Analogy ==
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| Quote from Zjarek of the Industrial-Craft 2 Forums:
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| "In IC2 electricity is only a buzz word for small magical dwarfs carrying nanobatteries. From every energy source or storage there is one dwarf released every tick. Size of a dwarf is determined by amount of energy they are carrying. Cables are in reality just a tunnels where they run. If a cable or machine don't provide enough space for a dwarf it will get angry and blow up.
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| However many dwarfs are happy to run alongside each other and will in cooperation carry any amount of energy through a cable. Big dwarf will still prefer to blow up, then to split, but he can split into smaller dwarfs in transformer. Every smaller dwarf which is produced by transformer can go to the same output tunnel.
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| These useful little creatures are also sometimes nicknamed packets."
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| [http://forum.industrial-craft.net/index.php?page=Thread&threadID=7210 Source]
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