Inverter special cable
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Description
The special cable for the inverter is to keep the inverter working normally and not interfered by the electromagnetic field. Therefore, the cable connecting the inverter and the three-phase AC motor requires anti-interference performance, low effective capacitance and low transmission impedance.
With the development of frequency control transmission technology, the requirements for frequency variable transmission systems are getting higher and higher, especially for modern frequency conversion technology using fast switching IGBT semiconductors, although the pulse frequency is high or the interruption time is only within milliseconds, they Generates a positive magnetic field in the surrounding environment.
Technical data
1. Soft stranded copper conductor according to DIN VDE fifth category.
2. Weather-resistant and temperature-resistant resin insulation.
3. Soft super shielding layer.
Allowable temperature and working voltage:
1. Allow the conductor to work continuously with a maximum temperature of 180 degrees Celsius. The maximum temperature during short circuit is 250 degrees Celsius.
2. Free bending ≥+5℃ during transportation, storage, radiation, handling and operation, and ≥-10℃ for fixed laying.
3. Rated voltage: 600/1000V, AC test voltage 3500V.
Features:
1. Lower effective capacitance.
2. It has shielding performance.
3. Good fire resistance and combustion performance, can be used in hazardous areas.
4. Low transmission impedance. The cable contains a shielding layer to prevent electromagnetic interference. The transmission impedance RX is a measure of the effectiveness of the shielding against induction and capacitance. Low transmission impedance can provide good electromagnetic compatibility.
5. Symmetrical three-core design, better electromagnetic compatibility, better performance than four-core cables. Three weather-resistant and temperature-resistant resin insulated cores are evenly stranded at the gap to form a true concentric structure