Catalog excerpts
ALPIVAR3 - Fixed power factor correction ALPIVAR3 capacitors are totally dry units designed by combining individual single phase windings connected in delta to produce a three-phase unit. ALPIVAR3 (with terminal cover) Nominal power: Nominal voltage: Harmonic level: Self-healing metallised polypropylene film Electrical fuse Overpressure disconnector Discharge resistors: Fitted inside, they discharge the capacitor according to regulations (discharging time: 3 minutes). SH/ST ≤ 15% Insulation class: Loss factor: 0.3 W / kVAr (including discharge resistor) Temperature class: Capacitance : Tolerance on the capacitance value: +/- 5%. Our manufacturing process, which avoids any inclusion of air in the coils, ensures excellent stability of the capacitance throughout the service life of the Alpivar3 capacitor. Average over 24H: +45° C Annual average: +35° C Weight: Loss factor: Alpivar3 capacitors have a loss factor less than 0.1 x 10ିଷ . This value leads to a power consumption of less than 0.3W per kVAr, including discharge resistors. Protection against overloads and short circuits with HRC fuses or circuit breaker. Power cables with minimum cross section of 6 mm² Cu / phase. Wait for 3 minutes before reconnecting the capacitor in compliance with mandatory discharging time. Double insulation or class II: No need for earthing. This guarantees a total safety. Totally dry: No risk of leakage: can be installed in any position. Power cable connections on M8 screw, H head, with captive washers, tightening torque between 11 and 15 Nm. Self-extinguishing polyurethane resin casing: External environment for the capacitor bank: Very robust, compact, non corrosive. Internal connexions: Made with copper bars bolted between the different components (no risk of corrosion, untightening and overheating). Vacuum coating technique for windings (patented by Alpes Technologies): Vacuum sealing insures no air or moisture nearby windings. This design provides an excellent resistance to overvoltages and partial discharges. Technical data sheet: V7.540CB Dry and dust free Non-corrosive Maximum temperature: +55° C Average over 24 hours: +45° C Annual average: +35° C For more details on the commissioning and maintenance, refer to installation instructions.
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