XLPE INSULATED POWER CABLE
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It applices to the transmission and distribution lines with rated voltage from 0.6/1 kilovolts to 26/35 kilovolts , while flame retardant power cable is used in theplaces with special demands of flame retardant property , where cable is laid tightly
Table of rated voltage for 3 phase cable
U | Um | Uo | |
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1 3 6 10 15 20 35 | 1.2 3.6 7.2 12 17.5 24 42 | 0.6 1.8 3.6 6 8.7 12 21 | 0.6 3.6 6 8.7 12 18 26 |
class 1 applies to system of the duration of syngle phase earthing fault normally less than 1 minutes each time or the system of maximum duration less than 8 hours each time, but the total duration not more than 125 hour.
class 2 applies to system of more duration of earthing fault or the system with higher requirement to property of insulation.
Standards
The products are produced in accordance with GB/T12706-2002, i.e. , Copper or Aluminium Conductor Plastic Insulated Power Cable with Rated Voltage UP to and Including 35 kilovolts,part 3-XLPE Insulated power Cable.
4．Characteristics
-maximum rated temperature of conductor is 90℃
-maximum temperature is 250℃ when cable is shorted for less than 5 seconds
-ambient temperature should be not lower than 0℃ when cable is installed
-minimum bending radius is as follows when cable is installed
五 Key Technical Property(for type test)
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(7.2) |
6/10 |
8.7/15 |
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18/30 |
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Rated voltage, unit: kV | 3.6/6 (7.2) | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/20 18/30 | 21/35 | 26/35 |
XLPE hot set test Test condition：15min., 20N/cm2 Max. elongation under load Max. elongation after cooling，no load |
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Min. tg δ at AC 2kV and 90±5℃ |
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Mechanical and physical property of insulation and sheath |
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Maximum D.C. resistance at 20 ℃ unit: Ω /km
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2.5 4 6 10 16 25 35 50 70 |
7.41 4.61 3.08 1.83 1.15 0.727 0.524 0.387 0.268 |
12.1 7.41 4.61 3.08 1.91 1.20 0.969 0.641 0.443 |
120 150 185 240 300 400 500 630 800 |
0.153 0.124 0.0991 0.0754 0.0601 0.0470 0.0366 0.0283 0.0221 |
0.253 0.206 0.164 0.125 0.100 0.0778 0.0605 0.0469 0.0367 |
6．Calculation Condition of Ampacity
-ambient temperature is 25℃ (underground) , 40℃ (air).
-conductor working temperature is 90℃
-soil heat resistance coefficient is 1.0℃·m/W , but not consider its rise resulted from water migration when it operates continuously.
-gap between axis of cable and surface of ground is 700 millimeter when it is laid in earth
-for many cable being laid in parallel. gap of axis of cables is 2 ti7．Factor of Affecting Ampacity of Cable
1 Ampacity coefficient when many group of cable are laid
Coefficent when cable is laid horizontally,directly in earth
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- Q: ok so i'm building a high gaming computer. my question is i'm a getting a Full moduler power supply my question is do i have to buy the cables for power does the componets i buy come with them??? oh and by the way just curious what happens if you touch thermal paste with your finger???
- All the necessary wires with come with the PSU, modular or not. And nothing will happen. It will just feel like grease. Just go wash it off w soap
- Q: Doesn't have to be super powerful, just lifting about 100 pounds, frequently. I've already looked at the normal places, and they are all DC powered (car battery). I suppose it could also be manual.
- For manual, try Harbor Freight; I have one in the garage. that should be good for 100 pounds. And verrrry portable.
- Q: So I've had my laptop for about a year and a half now and I've gone through 4 power cables, 3 non-factory. What happens with each one is, I plug it in, the blue light surrounding the hole turns on, the end of the power cable that plugs into my laptop gets super hot and either melts the power cable, or when I plug the cable in, the light won't come on unless I have it in just right. This usually starts to happen between one and three months after I get a new cable. It's starting to go through them faster now, any ideas?
- Get it repaired. There might be a short circuit inside the socket. It will ruin your computer if you dont act now. You will lose your laptop or spend more if the laptop itsel gets damaged.
- Q: I have a Samsung NC10 net book, from europe. A few days ago I forgot the power cable in another country. Can I get just any laptop power cable from a computer store, or should I get a proprietary cable? Will the quality matter?
- As long as the cable has enough power for your laptop, same watts, volts etc. It's usually on some part of the power cable, and on the bottom of your laptop or on the battery.
- Q: I have my Clearwire modem but have lost the power cable. Does anyone know what I would look for in a replacement power cable.
- Try contacting the manufactor. They usaully have spare parts.
- Q: best buy geeks advised me to buy wd320sata h/d to replace seagate barracuda 7200 h/d....... cannot connect .... no sata connector on motherboard that i can find....... instructions says need power cord. any suggestions????????? please and thank you.........
- The SATA specification demands 7 pins to flow archives. Conveying potential to gadgets demands heavily greater desirable potential throughput than conveying archives. potential adapters have been redesigned for SATA gadgets from usual Molex to make it as common to plug and unplug because of the fact the recent SATA archives cables. The redecorate made the pins smaller. With electrical energy bypass with the aid of potential conduits, travelling electrons inevitably hit the molecules of the conduit itself, which excites the molecules and the molecules launch this further potential as warmth. once you're attempting to maintain an identical bypass of electrons over the years yet shrink the actual length of the conduit (as develop into finished with the SATA potential spec), an identical variety of electrons could desire to bypass interior the path of the conduit over the years yet with the aid of a smaller pipe. This focused 'site visitors' leads to greater collisions, ensuing in greater desirable warmth output from the steel conduit. with the intention to have the smaller pipe and an identical quantity of site visitors without overheating the steel conduit to the factor the place it burns the plastic housing, you may desire to have greater of the smaller pipes turning in that site visitors. think of of it like highway site visitors. in case you may desire to make a highway smaller, the site visitors that already traverses that highway will now could desire to deal with one yet another for that narrower thoroughfare. with the intention to maintain site visitors shifting and forestall site visitors jams, you may desire to construct further roads to accommodate that exact same site visitors quantity. only area of this analogy that would not correlate is that electrons do no longer decelerate once you're piping them with the aid of a smaller conduit.
- Q: Will the YJV22-0.6 / 1KV5 * 10 (cable or wire model specifications) Will this model represents what cable diameter
- Do not worry, no problem, the power cord can withstand the general high temperature, not recommended to use extension cord, the more joints more easily lead to some inexplicable problems.
- Q: SATA power connector? If so where can i buy one?
- Probably, but most people just buy Molex to SATA power adapters. If you need more Molex 4 pin plugs, just buy some Y splitters. Any computer store worth a darn should have some of both in stock, even the chain ones.
- Q: I bought this printer recently, and it only came with a USB cable, and when i plug it into my computer, it won't turn on. Is there a power cable that's supposed to come with it?
- yes it is the little round hole in the back of it look at lable on bottom for volts / amps then head to your local flea market
- Q: Whilst mowing the grass, I cut through the power cable, which was connected straight into the wall and not an adapter, which it usually is. I'm fine, how comes? The mower is a flymo bought last year.
- so replace the power line.
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XLPE INSULATED POWER CABLE
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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