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The feedback filter reactor
Feedback filter rector
Feedback filter reactor feedback reactor and input reactor are combined with filter capacitor to form LCL filter device or sinusoidal filter LC with filter capacitor. LCL is mainly used for AC / DC motor drive of electronic equipment, uninterrupted high-power ups and servo driver. In order to eliminate harmonic current distortion caused by pulse rectifier and effectively suppress high-order and low-frequency harmonics. The iron core adopts high-quality oriented silicon steel sheet, and the core column is divided into uniform small pieces through multiple air gaps. The air gap adopts high-temperature and high-strength adhesive to tightly bond each small section of the core column with the upper and lower iron yokes. The coil adopts class F and H insulation system, which greatly improves the reliability of long-term operation. All reactors adopt vacuum pressure impregnation technology (VPI). After high-temperature heat drying and curing, the product greatly reduces noise and vibration in operation, and the overall mechanical strength of the product is high and moisture-proof performance is good. The reliability of long-term operation is greatly improved. Low temperature rise, low loss, high comprehensive utilization rate and easy installation. Product description Working voltage: 400V / 690V / 1140V 50/60Hz Working current: 5A ~ 1500A@40 ℃ Service altitude: ≤ 2000m Insulation resistance: > 100m Switching frequency: ≤ 5KHz Reactor noise: ≤ 65dB Insulation class: F / h Protection grade: IP00 Electric strength: 3000va / 50Hz / 5mA / 60s without flashover breakdown Temperature rise of iron core: no more than 85K Operating environment: at - 10 ~ + 45 ℃ The rating will not decrease. Up to + 55 ℃, above 45 ℃. The rated current drops by 2% every 1 ℃ rise Product Executive Standards: gb10229-88, jb9644-1999 semiconductor electric drive reactor