Rated voltage 8.7/15 kv crosslinked insulated PVC sheathed power cable

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Shanghai
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TT OR LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

Product standards:

This product according to GB/T12706 the rated voltage 1 kv ~ 35 kv extrusion insulated power cables and accessories, standard production, at the same time can also be based on user needs according to the international standard of IEC, English, German and American standard production.

Available scope:

This product is suitable for rated power-frequency voltage up to 3.6/6 kv ~ 26/35 kv power transmission and distribution lines with.

Using features:

Rated power-frequency voltage U0 / U for 3.6/6 kv ~ 26/35 kv.

The allowable working temperature, cable conductor: 90 ℃.

, when short circuit (the longest not more than 5 s) cable conductor does not exceed the highest temperature of 250 ℃.

, when cable laying temperature should not below 0 ℃.

The bending diameter: 3 core cable is not less than 15 times the cable diameter; Single core cable should not less than 20 times the cable diameter.

The selection of rated voltage

, the rated voltage of the cable shall be suitable for the operation condition of the cable system, using U0 / U (Um) kV said.

U0 - cable design, use of the conductor to ground or between metal shielding rated power frequency voltage;

U - cable design with rated power frequency voltage between conductors;

Um - equipment can withstand a maximum of the "highest system voltage".

 


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Q:What is the radiation of the laser scanning scanner?
Shield For uniform conductive wire and insulated electric field, 6kV and above in the high-voltage power cables generally have a conductive shield and insulation shield, part of the low-voltage cable is not set shield
Q:Calculation method of wire and cable outer diameter
Usually check the table, in the cable samples or manual check.
Q:What is the installation specification for the cable tray bracket?
WDZ low smoke zero halogen flame retardant power cable. WDZN low smoke zero halogen flame retardant power transmission cable. W-halogen-free, D-low smoke, Z-flame retardant, N-refractory, YJ-XLPE insulated, V-PVC sheathed YJV-XLPE insulated PVC sheathed power cable. Model of the principle of omission: wire and cable products, copper is the main use of the conductor material, so the copper code T write, but bare wire and bare conductor products except. Bare wires and bare conductor products, power cables, electromagnetic wire products do not indicate a large class code, electrical equipment, wire and cable and communication cable category is not listed, but set out small class or series code. Item 7 is a special use of special occasions or additional special requirements of the mark, in the "-" after the alphabet letters. Sometimes in order to highlight the item, write this to the front. Such as ZR- (flame retardant), NH- (refractory), WDZ- (low smoke and halogen, enterprise standard), TH- (for hot and humid areas), FY- (anti-termite, enterprise standard).
Q:What is the interface between the power interface and the hard disk?
YCV-copper core XLPE insulated PVC sheathed power cable, VV-copper core PVC insulated PVC sheathed power cable. YJV-voltage level (kV) 6 ~ . the maximum allowable working temperature 90 ℃ VV-voltage level (kV) 1 ~ . allowing the maximum operating temperature of 65 ~ 70 ℃
Q:What are the varieties of wire and cable (detailed point)
DJ is a distributed instrument signal cable, also refers to the computer cable, V is PVC. The specific meaning can see the manufacturer's product description.
Q:Power cable YJV22-8.7 / 15kv-3 * 300 what meaning
National norms are strictly prohibited, but in practice it is difficult to distinguish between personal experience: 1. Power supply AC380 above, absolutely can not be with the signal line control line with the laying; 2. Power load in the variable frequency load is not Can be; 3. AC. AC110 no problem, but may interfere with the monitoring of video images, the signal line must choose shielded cable single-ended ground, the signal is not affected, no problem; 4 encountered this situation, the general control cable, Line in the same pipe laying, power cable to choose a separate pipe laying. If the scene allows, be sure to strictly abide by the procedures to facilitate the completion of acceptance later. Use UPVC ,, that must be buried, the use of plastic pipe in general play two roles: 1. Waterproof 2. to prevent false digging. Plastic pipe can not play a shielding effect, so you must be the power line and the other separated, the best interval of a certain distance, or power lines choose armored cable.
Q:The UV lamp is fitted with ozone and no ozone difference
Clean the copper wire to be welded, and dip a little solder paste or rosin before welding.
Q:Why does the sparrow stand on the wire without electric shock?
the network patch panel is now more mainstream network system patch panels, generally every 1U height can accommodate 24 8-core network port, back line, front jumper plug in addition, look at the Google Encyclopedia on the 110 patch panel instructions, found a little problem, that is 110 patch panel documents, but the picture is not 110 patch panels, that should be called Kelon, we also Called this thing for the VDF, it should be noted that the 110 system is AT & amp; T, that is, Lucent (Lucent) company's standards, and Kelon is the German Kelon (kelone) company's standard, not the same thing, Dragon frame is generally used in large-scale voice wiring system, and generally fixed for the wall, if placed in the standard cabinet will have to install the backplane, the Kelon frame steel frame fixed on the backplane The 110 patch panel is a standard 19-inch equipment, can be directly fixed in the standard 19-inch cabinet As the 19-inch standard cabinet has been widely used in the civilian areas, so Kelon is now less application, mainly in the use of operators these with a number of tattoo and fat ancient mix of full-chip cable is integrated wiring system in the most basic connector, the product range is also very much on the market, of course, there are many changes in the form On the use of network patch panels and 110 patch panels, Google Encyclopedia and the library have a detailed description, you can refer to
Q:What is the use of wire and cable per square meter of residential building?
Generally wear SC65 tube. If the distance is too long, elbow and more, then the choice will be larger.
Q:What is the difference between VV22 and VV62?
Cross-linked power cable heating the main reason there are . the choice of continuous allowable current is less than the load of the maximum continuous current power cable; . the power cable in the implementation of the cable for cold contact, the use of crimping pliers die too large, leading to copper . the air switch input and output and cable copper nose connection, the choice of non-standard flat gasket or no spring gasket; . the air switch input and output side of the cable and cable core crimp is not solid and reliable; When the cable is connected to a strand, the air switch bolts are not tightened. . high-power UPS running, the filter cabinet is not put, n harmonic effects of cable overload, neutral overload, serious lead to cable breakdown, and a fire hazard. . the power cable along the building facade iron cabinet box laying, the surrounding environment is not ventilated, poor heat dissipation. Select the power cable should consider the following factors: . the rated voltage of the cable is greater than or equal to the rated power supply system power supply system; . the cable can continue to allow the current to be equal to or greater than the maximum load current load; . Power supply system short-circuit stability requirements; . according to the length of the cable to determine whether the voltage drop to meet the requirements; . the end of the line minimum short-circuit current should be able to protect the device reliable action. . a high degree of breakdown strength; . low dielectric loss; . a very high insulation resistance; . excellent resistance to discharge performance; . with a certain degree of flexibility and mechanical strength; . long-term stability of insulation.

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