提高功率密度特别是提高体积功率密度对于减小综合功率系数非常重要。
It is very important for the decrease of the composite power coefficient to increase power density, especially increase volumetric power density.
但它是非常有限的总重量体积和输出功率密度研究。
But it is very limited in total power output density in weight and volume.
当前，安全可靠、有利于环保、高功率密度、体积小、重量轻的新型二次锂电池正被广泛应用。
Nowadays, the novel secondary lithium battery is widely used for it is safe and reliable, small and light, good for environment protection with high power density.
轮毂电机要求体积小、转速高、功率密度高。
The main requests of the In-Wheel-Motor are small size, high speed and high power density.
微动力系统以其体积小、输出功率密度大等优点越来越受到研究者的关注。
Researchers have paid more and more attention on micro power systems for the advantages of little volume and high output power density, etc.
高速永磁电机具有体积小、功率密度大和效率高等优点，目前已成为国际电工领域的研究热点之一。
The high speed permanent magnet (PM) machine has been widely investigated in the field of electrical engineering since it has small volume, high power density and high efficiency.
高速电机的体积小、功率密度大和效率高，正在成为电机领域的研究热点之一。
The power supply of high speed electrical machine is high-frequency voltage and the loss of electrical machine density is great and heat dissipation is difficult.
先进的“平面变压器”技术的使用，提高了功率密度，大幅度缩小了产品体积。
The advance technology of "planar transformer" adopted in it improves efficiency and sharply reduces the volume of power supply.
先进的“平面变压器”技术的使用，提高了功率密度，大幅度缩小了产品体积。
The advance technology of "planar transformer" adopted in it improves efficiency and sharply reduces the volume of power supply.
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