10kV電力變壓器 SBH15-M系列

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產品簡介
Brief introduction to the products

SBH15系列產品為非晶合金鐵芯配電變壓器,是劃時代的技術、跨世紀的“綠色”產品,該系列產品于 2016 年 4 月通過了國家電器產品質量監督檢驗中心的全部型式試驗及短路承受能力試驗。其性能符合 GB1094 《電力變壓器》 和 GB/ T25446-2010 《油浸式非晶合金鐵芯配電變壓器技術參數和要求》 標準。與S11系列相比,空載損耗及空載電流平均下降約65%左右,是名副其實的超低損耗產品。該系列產品結構先進合理,抗短路能力強,總體性能水平達到世界先進水平。

SBH15 series of products for the amorphous alloy core distribution transformers, is epoch-making technology, the cross-century "green" products, the series in April 2016 by the National Electrical Product Quality Supervision and Inspection Center of all types of short-circuit test and bear Capacity test. Its performance in line with GB1094 "Power Transformer" and GB / T25446-2010 "oil-immersed amorphous alloy core distribution transformer technical parameters and requirements" standard. Compared with the S11 series, no-load loss and no-load current average decreased by about 65%, is a veritable ultra-low loss products. The product structure of advanced and reasonable, short-circuit-resistant ability, the overall performance level reached the world advanced level.

主要結構及特點
The Main Structure and Characteristics

鐵芯采用三相五柱式卷鐵芯,鐵芯選用非晶合金材料,鐵基非晶合金具有高飽和磁感應強度、低損耗、低矯頑力、低激磁電流、良好的溫度穩定性等特點。這種材料采用急冷凝固生產工藝,其物理狀態表現為金屬原子呈無序非晶體排列,它與硅鋼片完全不同,更有利于被磁化和去磁。這種新材料用于變壓器鐵芯,當變壓器運行時每秒 100-120 次的去磁和被磁化過程相當容易,從而大幅度降低了鐵芯的空載損耗,與傳統硅鋼片式鐵芯的油浸變壓器相比還可以減排 CO2、SO2、NOX 等有害氣體,被稱為二十一世紀的“綠色產品”。線圈選用優質無氧銅繞制成矩形結構。低壓采用銅箔繞制,箔式線圈是以不同厚度的銅箔帶為導體,以寬帶狀的絕緣材料為層間絕緣,以窄帶狀的絕緣材料為端絕緣,在箔式繞線機上一次完成卷繞,同時完成線圈內外側引線的焊接。箔式低壓線圈克服了矩形線圈抗短路能力差的特點,大大提高了線圈的機械強度;高壓線圈采用高壓自動繞線機完成,該繞制方式自動化程度高、動力強勁,可自動排線及氣動線架漲拉,為線圈繞制的軸向緊密度和輻向緊實度提供保證。我公司的非晶合金鐵芯變壓器器身裝配工藝采用自動裝配臺,打破傳統的器身裝配方法,將繞組預先放置在裝配臺的升降平臺上,繞組的軸線呈水平狀,各單框鐵芯橫向穿入繞組內孔,確保器身裝配過程中的金屬碎片不掉入線圈內。變壓器油箱為波紋式結構,波紋材料為優質冷軋板,采用氬弧焊接,波紋與油箱采用 CO2氣體保護焊接,焊接電流穩定,焊縫熔深大,成型好無缺陷等特點。該結構在變壓器工作時,除具備良好的散熱性能外,波紋片的波翅還具有膨脹并可緩解內部壓力上升的功能;變壓器器身采用變壓法真空干燥方式,干燥徹底,絕緣性能高。總裝過程采用全真空注油,使器身及各處絕緣充分浸油,無氣泡,整體絕緣強度增強。變壓器取消了傳統的儲油柜,采用管式油位計,或多功能保護器,該結構可顯示油位,壓力釋放及瓦斯報警功能,縮小了變壓器體積,使變壓器運行維護更加方便、快捷。

The iron core uses three-phase five-column roll core, iron core uses amorphous alloy material, Fe-based amorphous alloy has characteristics of high saturation magnetic induction intensity, low loss, low coercive force, low exciting current, good temperature stability . This material is produced by rapid solidification process, the physical state of the metal atoms were disordered amorphous arrangement, it is completely different with the silicon steel, more conducive to be magnetized and demagnetized. This new material for the transformer core, when the transformer is running 100-120 times per second to the demagnetization and magnetization process is quite easy, thus significantly reducing the core of the no-load loss, and the traditional silicon steel core Oil-immersed transformers can also reduce emissions of CO2, SO2, NOX and other harmful gases, known as the twenty-first century "green products." High-quality oxygen-free copper coil is made of rectangular structure. Low-voltage copper foil around the system, foil coil is a different thickness of the copper foil as a conductor to broadband insulation for the interlayer insulation, narrow-band insulation for the insulation, the foil winding machine on a complete Winding, while completing the inside and outside the coil lead wire welding. The high-voltage coil adopts the high-voltage automatic winding machine to complete, the high-degree of automation of the winding system, strong power, can be automatically arranged and pneumatic wire-line coil Wire frame pull up for the coil winding system of axial tightness and tightness to provide assurance. My company's amorphous alloy core transformer assembly process using automatic assembly units, breaking the traditional body assembly method, the winding pre-placed in the assembly platform of the lifting platform, the axis of the winding was horizontal, the single-frame core Lateral penetration into the winding hole, to ensure that the body assembly process of metal debris does not fall into the coil. Transformer tank for the corrugated structure, corrugated material for high-quality cold-rolled plate, the use of argon welding, corrugated and the tank with CO2 gas protection welding, welding current stability, weld penetration depth, forming a good defect-free features. The structure of the transformer in the work, in addition to have good heat dissipation, the corrugated pieces of the wings also have expansion and can relieve internal pressure rise function; transformer body vacuum pressure drying method, dry, high insulation performance. The whole process of vacuum filling oil filling, so that the body and the insulation of the full immersion oil, no bubbles, the overall insulation strength. Transformer eliminates the traditional oil conservator, the use of tubular oil level gauge, or multi-function protector, the structure can display the oil level, pressure relief and gas alarm function, reducing the transformer size, the transformer operation and maintenance more convenient and fast.


技術參數
Product Structure

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