12/20kv single-core XLPE insulated PVC sheathed power cable(YJV,YJLV)

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Nominal Cross- sectional Area of Cable	Nomin- allnsul- ation Th- lckness	She- ath Th- lckness	Approx Quter Dl- ameter Ofc- able		Approx Weight of Cable		D.C Realstance of Cable at 20°C		A.C Reals- tance at Operating Temperature
			Cu	AL	Cu	AL	Cu	AL	Cu	AL
			Cu	AL	Cu	AL	Cu	AL	Cu	AL
mm²	mm	mm	mm	mm	kg/km	kg/km	Ω/Km	Ω/Km	Ω/Km	Ω/Km
25	--	--	--	--	--	--	--	--	--	--
35	5.5	1.8	26.0	26.0	990	769	0.524	0.868	0.6683	1.1130
50	5.5	1.8	28.0	28.0	1166	815	0.387	0.641	0.4936	0.8220
70	5.5	1.9	29.0	29.0	1407	965	0.268	0.443	0.3420	0.5681
95	5.5	1.9	31.0	31.0	1700	1100	0.193	0.320	0.2465	0.4105
120	5.5	2.0	33.0	33.0	1982	1224	0.153	0.253	0.1956	0.3247
150	5.5	2.0	34.0	34.0	2383	1436	0.124	0.206	0.1588	0.2645
185	5.5	2.1	36.0	36.0	2771	1603	0.0991	0.164	0.1272	0.2108
240	5.5	2.1	38.0	38.0	3363	1848	0.0754	0.125	0.0972	0.1609
300	5.5	2.2	41.0	41.0	4000	2106	0.0601	0.100	0.0780	0.1290
400	5.5	2.3	44.0	44.0	5024	2498	0.0407	0.0778	0.0616	0.1010
500	5.5	2.4	45.0	45.0	6046	2890	0.0366	0.0605	0.0489	0.0789

Oparat- ing Cap- acity	Cable induction	Reactive impeda- nce of Cable	Positive Negative Sequence impedance		Zero Sequence impedance				Short-circuit Current
			Cu	AL	Cu		AL		Conductor		Screen
			Cu	AL	Cu tape	Cu Wire	Cu tape	Cu Wire	Cu	AL	Cu tape	Cu Wire
uF/Km	MH/Km	Ω/Km	Ω/Km	Ω/Km	Ω/Km	Ω/Km	Ω/Km	Ω/Km	KA	KA	KA	KA
--	--	--	--	--	--	--	--	--	--	--	--	--
0.1502	0.6390	0.2006	0.6978	1.1309	6.4119	2.2569	6.8565	2.4137	5.15	3.37	1.096	3.547
0.1661	0.6145	0.1930	0.5300	0.8444	6.2451	1.7759	6.5734	2.1076	7.31	4.79	1.095	3.544
0.1868	0.5919	0.1859	0.3893	0.5977	6.1124	1.6328	6.3466	1.8587	10.2	6.68	1.091	3.533
0.2060	0.5726	0.1798	0.3051	0.4481	6.1829	1.0649	5.3469	1.2285	13.8	9.02	1.272	5.512
0.2228	0.5586	0.1745	0.2627	0.3690	5.1390	1.0149	5.2677	1.1438	17.4	11.4	1.271	5.511
0.2418	0.5449	0.1711	0.2334	0.3150	5.1071	0.9789	5.2128	1.0844	21.7	14.2	1.270	5.506
0.2656	0.5354	0.1681	0.2108	0.2696	5.0915	0.7208	5.1751	1.8041	26.7	17.5	1.267	7.689
0.2916	0.5216	0.1638	0.1639	0.1905	5.0665	0.6915	5.1302	0.7551	34.6	22.6	1.266	7.682
0.3175	0.5102	0.1602	0.1781	0.2057	5.0501	0.6721	5.1012	0.7231	43.1	26.2	1.265	7.678
0.3551	0.4991	0.1567	0.1684	0.1864	5.0588	0.6586	5.0982	0.6979	57.4	37.6	1.260	7.648
0.3880	0.4907	0.1541	0.1541	0.1617	5.0611	0.6477	5.0911	0.6776	71.7	47.0	1.257	7.629

Q: Hi, my computer power supply does not have a PCI-E 6 pin power cable for my graphics card, so therefore I found a 2 (4 pin molex) to 1 PCI-E power cable Y adapter.: Motherboard doesn't provide that connector for the video card. the power supply does. Take the side panel off and see if it has one. Can always use a 4/6pin adaptor. Most retail cards come with one. Just make sure you have enough watts and +12V amps on the PSU to run the new card. A lot of video card upgrades require an upgrade for the power supply as well.

Q: I am building my first computer and i was going to order a 750GB HDD to back up a 60GB SSD but it is a bare drive. Are there any cables/cords/connectors that i need to buy or should they all come with the motherboard?: as long as the hard drive is compatible and you have the data and power cable for the two you should be fine

Q: Can anyone help? my pc wont turn on without them hooked up.: If you look very close the position for these connectors is written on the motherboard along side of the pins that they connect to in very small letters.

Q: My laptop works gr8, but the power cable when plugged into the machine is quite loose and just falls out sometimes which is very annoying. Has anyone with this laptop had the same problem and fixed it? if so how? an what do you think i can do to fix it?: contact dell maybe theyll help u

Q: Hey! I bought a new sound system for my truck including 4 new speakers, a sub, a 5-channel amp, and I'm running all new wiring. So far I've got the 3 RCA cables ran, along with the blue remote turn-on wire along the right side of my truck. I plan to run the Power wire down the left side and then to my amp.I've heard that you put the power wire and RCA cables on different sides, which is what I've done, but is it ok for my speaker wires to be run beside or close to the power wire(4-gauge fyi)?For example, the right side speaker wires wont be near it, but the left side speaker wires will be...Will this cause any weird noise from my speakers?I don't have the names/etc of all my gear right in front of me, but if u rly need it, I will quot;add detailsfor you! Thanks!!: Separating the power the speaker wires is not as important in a car that uses DC voltage as it is in a home system that has AC voltage. It certainly doesn't hurt anything, tho.... If you do run them across each other, keep the intersection as close to a good right angle as possible. And, air is a very good insulator, so keeping some distance between the power the speaker wires is also very good.

Q: This is a clock/phone I was using as a kid. Found it in my basement, and I would like to use it now. I no longer have the original power cable, that's the one needed for the left side. They both look similar, but are not the same. The right side is for the telephone cable. I have no idea what the left's called or where to buy it? I'd appreciate some help if anyone knows what its called, Thanks.: Give them a try. This isn't a common power cord that can be purchased locally. However you may find a used one on OKorder. You can do an OKorder search using the model number of the unit.

Q: its like a big power box the has two metal prongs, and is about 2quot;X3big and fits into the same size slot, if you push it in it gets power for a second then doesnt if you jiggle it around it gets power for a second and doenst.anyone know please?: This okorder /

Q: Hi. I have an iBook power cable and I was wondering if there was a way to adapt it so I can use it for my new MacBook Pro that uses a magnetic cable? Thanks!: No, you really can't. The effort and money that would be spent on it would far exceed the cost of a new cable.

Q: Hi,I have problem with power cable on Karcher 670m pressure washer. I pulled all of the power cable out and now it's stuck and doesn't roll back inside. What can i do to fix it?Sven: Throw the piece of crap away. Just kidding, but it wouldn't make sense to take it to a repair shop when you could buy a new one for $100 bucks. Just roll the cord up when your finished using it.

Q: A power cable of copper is stretched straight between two fixed towers. If the temperature decreases, the cable tends to contract; the amount of contraction for a free copper cable is 0.0017% per degree celsius. Show that the stretched cable will snap if its temperature decreases by 128°C.Ignore the weight of the cable and assume Hooke's law is obeyed until the cable breaks. Young's modulus for copper is 11.0 x 10^10 N/m^2 and the ultimate tensile strength of copper is 2.4 x 10^8 N/m^2.: Change in length=(coefficient of expansion)(original length)(change T)= (.0017)(chose your favoret length, I chose 100)( -128 because T is decreeing)=-21.76 Strain = (change in length)/(original length)= 21.76/100= .2176Pa (for simplicity's sake I dropped the negative, rember the wire is in tension) Stress = (youngs modulus)(strain)= (11?10^10)(.2176)= 2.3936?10^10 Pa The UTS (2.4?10^8)<(2.39?10^10) so there is definitely necking and because of the difference most likely there was failure long ago.

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