那我们能不能研发一款具有竞争力的新品呢？”这是周俊文反复思考的问题。

“其实，西门子不仅有专业的研发团队和经验丰富的工程团队，还拥有生产制造能力较强的西门子工业透平机械（葫芦岛）有限公司。我们相信啃下这块蛋糕并非不可能。”他笑着说。

带着这个想法，周俊文和同事们与张陈慧等压缩机研发小组的*合作，决定分两阶段对现有的GC100进行升级改造，让新产品在价格优势和高效率两方面达到高度平衡。

别出心裁的1.28%

**阶段的主要任务是以较小的成本代价提升效率。

为找到效率损失点，张陈慧变身“挖宝小能手”。她与在德国总部负责GC100产品线的同事密切联系，从浩瀚的西门子资料库中找到了详细的产品资料，并通过仔细分析与计算，提出了一系列提高效率的解决方案，包括改变压缩机蜗壳形状、升级叶轮、使用形状更复杂的前导叶等等。然而，GC100是一款标准化产品，核心部件很难进行改动，这可怎么办呢？

张陈慧说：“在挖宝过程中，如果往深处挖行不通的话，就向周围拓展吧。”于是，她将目光转向了压缩机的外围设备——冷却器。

为准确了解冷却器大小与压缩机效率之间的关系，研究小组通过改变环境变量，以创新的思路巧妙地破解了计算压缩机效率的方程，较终发现只要稍微增加冷却器的大小，就能保证在总机组大小不变的情况下，提升压缩机的效率。

破解效率计算“黑箱”的过程虽然辛苦，但张陈慧和同事们却乐在其中。“GC100系列的产品就像乐高模型，每个部分都是一个标准化的‘积木’。要想搭出较好的模型，就要使用较合适的积木。而在破解效率方程后，我们调整每一块‘积木’时，心里都是踏实的。”张陈慧说。

2016年3月，**阶段研发结束。新的GC100效率提升了1.28%，而成本仅增加了0.8%。这款产品一经推出就很快得到了市场的认可，并在2016年10月获得了**个订单。

颠覆常规的2.09%

研发小组并没有就此停下脚步，而是计划在*二阶段进一步研发出一款在流量、价格和效率上都契合两万空分市场的产品，即升级版GC100。

为达成这一目标，张陈慧和同事们首先为升级版GC100重新选取了流量范围。在GC100涵盖的应用市场中，每个客户的需求都不一样。如何保证西门子的产品适合大部分客户呢？研发小组通过对市场内客户的流量需求进行调研、总结，得到了需求量较大的流量范围，并据此对升级版GC100所选用的叶轮基本级进行了*的考量，以在压缩空气能力方面保证升级版GC100能够满足80%以上的市场需求。

而在提高效率方面，研发小组还对目前西门子较先进的叶轮基本级库进行了深入研究，选取了在两万空分市场流量范围内效率较高的几款叶轮，充分利用了叶轮基本级的高性能。而由于研发小组较终选取了尺寸较小的叶轮，压缩机整体尺寸减小，这也使成本降低成为可能。

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