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: Its an 03 jetta with monsoon amp. I need step by step instructions on how to run the power cable. Pictures would be nice too. Thanks!!!!!
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- Hi, The adapter to the tip is the important part. Whatever fits from the adapter to the wall doesn't have much to do with anything. Anything that fits the adapter, physically.
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- Q: When I went to go set it up, everything is ps3 except the power cable. You know on the side where it connects to the ps3? Well its supposed to be round on both sides. Well ours is round and square. Can i shave the square one or will it not work?
- No, you can use the power cable for a computer on the PS3. It is a standard shape and can be purchased from any good computer shop. The PS2 uses a transformer and the pin alignment is different. Just get a proper cable, they are really cheap anyway.
- Q: in my efforts to make everything as simplified as possible (lazy) im looking for a 25' or longer sata cable (also if there is an extension to the power cord thats used to power a cd drive in a desktop) trying to mount the cd drive all the way on the other side of the room (5ft away lol) so that i dont have to get up to change dvds. id mount it to the dvd shelf which is next to the sofa.
- No go: What is the maximum length of a SATA data cable? 1m for SATA I, 2m for SATA II The exercise will be good for you. Maybe you have a wife, or a sister?
- Q: I have a simple 400watt amp going to a single 10inch kicker sub, nothing crazy. I need to know what gauge of power cable would be safe. An 8 gauge for example...
- Voltage isn't your significant enemy while coping with electrical energy. that is present day or amps that are the foremost venture. you could think of of it like a water hose, the V is the value of the water, the A is the quantity. Take Ohm's regulation as an occasion. Say we've an amp that's producing 1000W With a 230V capability gadget we've 4.3A, with a 14V capability gadget we've 71A. that's a good number of amperage. vehicle capability cables have a thick jacket to keep away from shorts, shorts are undesirable. in case you had a great cable going from one end of your vehicle to the different, and not employing a fuse. (lot's of people do not fuse properly) If that cable is presented in touch with the metallic of the motor vehicle it is going to short and that entire cable is going to get crimson warm and burn your vehicle to the floor.
- Q: I lost the power cable to my Dell printer 922. Can anyone help me find the cable online, or at a store. Dell told me they don't sell the cable. thanks for the help!! =]
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- Q: Is it? I leave the power cable for hours when at home, when letting it process video and such and sometimes drain the battery when not used much.Thanks for any help.
- It isn't good to overcharge a Li-Ion batter, but some devices/batteries are better than others at preventing damage even when there is a continuous supply of power. I'm assuming it's a lithium-ion battery. If it isn't you need to throw your laptop away and buy a new one with a li-ion batter :) On a more serious note, it probably isn't GOOD for it, but it isn't TERRIBLE either. They say that li-ion batteries aren't susceptible to memory loss, but that is debated by people who actually use the device. However, li-ion batteries WILL expire after being charged a certain number of times, so it is best to allow it to (almost) fully discharge before recharging. When you notice that it's fully charged, go ahead and unplug it if possible, and when you need it to charge, just plug it back in. But I'm no battery expert, so your best option would be to call a computer store (or battery store) and ask them. Or perhaps there are some battery experts browsing Yahoo answers tonight?
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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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