The Power Transmission Division is a leading supplier of products and solutions in the high-voltage field and technology leader in high voltage Direct Current systems.
输电集团是高压领域的领先产品与解决方案供应商，是高压直流系统领域的技术领军者。
In current commercial feature modelling systems, support for direct manipulation of features is not commonly available.
在当前商业的特征模型系统中，对特征模型直接操作还没有得到广泛的应用。
In current commercial feature modeling systems, support for direct manipulation of features is not commonly available.
在目前的商业特征造型系统中，对特征的直接操作还没有得到广泛的应用。
The numeral timing systems driven by PWM are set up for the direct current servo motor model by using the PI. and IP contrail ers respectively.
本文分别用PI控制器和IP控制器对直流伺服电机模型建立PWM驱动数字型调速系统。
An energy feedback control scheme was developed for high speed brushless direct current motors used in flywheel energy storage systems to restrain the pulsating torque and improve the stability.
为抑制飞轮储能系统驱动电机——高转速无刷直流电机能量回馈时的转矩脉动，提高系统的稳定性，提出一种适合高转速飞轮储能单元回馈制动的控制方法。
The filtering equipment is an important part of a series of key techniques of high voltage direct current (HVDC)power transmission systems.
在构成高压直流输电系统一系列关键技术中，滤波装置占据十分重要的地位。
Direct current modulated lasers are of huge commercial relevance and are already widely used in optical communications, telecommunications and sensor and high power fibre laser systems.
直流调制激光器有广阔的商业应用前景，并且已经广泛应用电信、远程通讯、传感器和高功率光纤激光系统。
Through direct device access, the influence of Virtual Machine (VM) on system performance could be decreased. Meanwhile, current device drivers could be used by guest operating systems.
虚拟机对设备的直接访问可以减小系统开销，并充分利用现有的驱动程序。
We also choose the type of stable voltage direct current and frequency conversion motor, and design the hardware circuit of the sub-systems.
根据控制要求对直流稳压电源、变频器等其它硬件进行了选型，并对系统各部分硬件电路进行设计。
We also choose the type of stable voltage direct current and frequency conversion motor, and design the hardware circuit of the sub-systems.
根据控制要求对直流稳压电源、变频器等其它硬件进行了选型，并对系统各部分硬件电路进行设计。
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