Frequency converter special cable

An overview, cables:
Inverter dedicated cable is fit for ac rated voltage up to and including 0.6/1 kv frequency conversion control system for power supply cable or electrical connections, the product has strong resistance to voltage impact, can withstａnd variable frequency pulse voltage, cable has good shielding electromagnetic interference, and effectively eliminate the noise of the frequency conversion motor, ensure the system stable operation.Widely used in metallurgy, electric power, petrochemical and other industries.
Second, the frequency converter special cable standards:
Q/CLB04-2003
Flame retardant fire-resistant characteristic test execution GB12666-90 standard
Three, frequency converter special cable using features:
1, ac rated voltage U0 / U 0.6/1 kv.
The highest working temperature: silicone rubber insulated 180 ℃;
Fluorine 46 insulation 200 ℃ and 260 ℃.
PVC insulated 70 ℃;
Crosslinked polyethylene 90 ℃;
Minimum ambient temperature: cable when the ambient temperature under installation should not below - 40 ℃;PVC sheathed cable not below 0 ℃.
2, cable installation temperature under installation should not below 25 ℃.
Permissive bending radius, cable, cable minimum 10 times of cable diameter
Four, allow temperature and working voltage:
1, allows the conductor work continuously the highest temperature of 180 degrees Celsius.Short circuit when the highest temperature of 250 degrees Celsius.
2, in the transport, storage, handling, radiation and a free bending when working + 5 ℃, or fixed installation - 10 ℃ or higher.
3, rated voltage: 600/1000 v, ac test voltage 3500 v.
Five, the frequency converter special cable product features:
1, low effective capacitance.
2, has shielding performance.
3, good fireproof combustion performance, can be used in the dangerous area.
4, low transmission impedance, contains the cable shielding layer, in order to prevent electromagnetic interference, transfer impedance RX is the shielding effectiveness of induced resistance and capacitance to measure, low transmission impedance can provide good electromagnetic compatibility.
5, symmetrical three core design, electromagnetic compatibility, better than four core cable better performance.Three weather resistance and heat-resistant resin insulated wire core in aperture place even isometric twisted, forming a real concentric structure
Six, frequency converter special cable main technical indicators:
1.The finished cable conductor dc resistance (the prescribed GB3956)
2.Finished cable insulation resistance (20 ℃) fluorine plastic and silicone rubber insulation shall be not less than 100 m Ω * km.PVC insulated should not be less than 50 M Ω * km.
3.The finished cable communication through 50 hz3. 5 kv / 5 min is not breakdown voltage test.
4.Shielding layer transfer impedance
Cable in 100 MHZ transmission impedance is equal to or less than 100 Ω/m.
The ideal of the cable shielding inhibition coefficient is equal to or less than 0.7.
Seven, inverter dedicated cable basic type and name:

Note: copper wire in the conductor wire core can be used in a tin, flame retardant cable type before adding ZR, soft cable structure and R.
Eight, code name and meaning:

Nine, cable specifications:

Ten, basic cable specifications and structure parameters:

11 technical data:
1, according to DIN VDE fifth class soft stranded copper conductors.
2 insulation, weather resistance and heat-resistant resin.
3, soft shield.
Along with the development of the frequency control drive technology, more and more high to the requirement of the variable frequency drive system, especially for the fast switch IG BT semiconductor modern frequency conversion technology, though it has high pulse frequency and more time only milliseconds, but they would have a positive magnetic field on the surrounding environment.In order to make the inverter work normally, not affected by electromagnetic interference, so the connection between the inverter and three phase ac motor cable requires has anti-jamming performance, low effective capacitance and low transfer impedance.