Aerial Cable with Rated Voltage 10kv or 35kv
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 m
- Supply Capability:
- 100000 m/month
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AERIAL CABLE WITH RATED VOLTAGE 10Kv OR 35Kv
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1、Type and Applications
2. Standards It is manufactured in accordance with GB 14049-93, “Aerial cable with rated voltage 10kV or 35kV”. 3. Features Rated voltage U(Um) is 10(12) kilovolts or 35(42)kilovolts. It applies to the system of the duration of single phase ear thing 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. Ambient temperature should be not lower than -20℃ when cable is installed. Maximum temperature is 250℃ when cable is shorted for less than 5 seconds for XLPE insulated cable. For cable with weighted wire construction, maximum rated temperature of conductor is 90℃ for XLPE insulated cable. Minimum bending radius is as follows when cable is installed: for single-core cable- 20(D+d), unit: millimeter for multi- core cable- 15(D+d), unit: millimeter Note: D denotes the overall diameter of cable, while d means the diameter of conductor, unit: millimeter 4、 SizeSize
Note: 1. K denotes weighted stranding wire. You can select the corresponding cross-section in the above table as practical engineering needs. In the above cable construction it does not comprise weighted robe when the gap of tower poleis so large that it is necessary to add a weighted robe. 2. (A) means steel weighted stranding wire, while(B) means alluminium alloyed weighted stranding wire. 5. Pctures
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- Q:JUST the cable modem and router, not the whole PC. This is for the internet/ phone service.
- There's no way of saying without further information. You need to know the amount of power provided by the UPS battery as well as the power drain by the cable modem and router to calculate this accurately. Generally speaking, a standard household model of cable modem and router do not pull a lot of power. Just ballparking it, since the power drain from both is fairly low...A UPS 750 will probably support the two devices together for about 45 minutes to nearly an hour...assuming NOTHING else is plugged into the UPS and using power from it. Be aware, however, that your local ISP will also be on backup or generator power...during an extended outage from a hurricane or serious snowstorm...sooner or later, they will go down too. .
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- The web page provides very thorough information and rigorous mathematical treatment relevant to the answer you seek. But it is just too much all at once to digest. So take it piecemeal, one bit at a time! First, you must realize that the sag of the cable is the single most important design parameter and strict attention to cable weight determines the optimal length. The equation of the catenary is the precise model but a parabolic approximation may work. (parabolic approx.) ymax = (3wl?) / ?√(64EA) P = wl?/(8ymax) Where ymax is the maximum sag l is the unstretched length w is the weight/unit length E Youngs modulus A Wire area P axial tension the curve is a parabola, which is a good approximation if the depth of sag is no greater than 1/8th of the span. Use the second equation to derive the induced tension P. H:=WL?/8S S:=WL?/8H L: distance between support S: Sag at mid-span H: tension (horizontal component of tension) The tension depends purely on the loaded geometry and the weight per unit length.
- Q:Hey and just to start off with, your answer will be deeply appreciated, thanks..... Its about my PS3, when I was flying to Lebanon (which I am in now) my PS3 power cable got taken and thrown away by the airport officials the second time my bag was scanned.....so now I can't play any games because of this, it sucks goat balls, I know but my question is.... Where can I find another power cable..... P.S, my console was bought in Canada so the voltage was 120v I think but it was misbehaving when I used it with the converter I bought so I tried using without it and it worked like a charm on 240v, if that helps.... if there are any details I have missed out, my e-mail address is .uk
- that sucks!!! and weird, when i was boarding a plane, they kept all my stuff, but they did check it.... the best thing you should do, is buy a new one from online and let it go to your destination.
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Aerial Cable with Rated Voltage 10kv or 35kv
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 m
- Supply Capability:
- 100000 m/month
OKorder Service Pledge
OKorder Financial Service
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