power drive

The system operates in PWM mode using IGBT modules as power drive unit and 8098 s c computer as central controller.

该系统以PWM方式工作，应用IGBT功率模块构成功率驱动单元，采用8098单片机作为中央控制器。

The gearing drive equipment of power head mainly passing low-speed and big torques in working. For bearing to alternate load, fatigue failure of gearing drive equipment becomes the major way of failure for rotary drilling rig power head.

动力头部件中的齿轮传动装置在工作中主要传递低速重载扭矩，而且是交变载荷，齿轮传动装置疲劳破坏是旋挖钻机动力头的主要失效方式之一。

Design of the Electrical Control System of Power Drive for 40t Thrust Bearings Test Station

4O吨推力轴承试验台主传动电控系统的设计

Lightweighting Design of the Steel Structure of 200 km/ h Power ( Drive) Test Car

200km/h动力试验车钢结构轻量化设计

Eight-Function Testing of Automobile Constant Velocity Joint Power Drive Shaft Butterflies Festival

汽车等速节传动轴的八功能测试

A firm might sometimes sell at a loss to drive a competitor out of business, and thereby increase its market power.

公司有时会通过亏本出售来将对手挤垮，从而提高其市场地位。

A bipolar device may be used in nice analog integrated circuits for stable process, high speed and power drive, so a bipolar LDO is used widely.

由于双极器件开发早、工艺相对成熟、稳定，而且用双极工艺可以制造出速度高、驱动能力强、模拟精度高的器件，适用于高精度的模拟集成电路。

The feature of the progressive cavity pump mobile intermittent recovery technique is using a tractor as power unit, adopting a double universal coupling transmitting the power to a drive head to make the rod string rotate and thereby drive the progressive cavity pump for pumping.

新开发的螺杆泵机动间歇采油技术及设备的主要特征是用拖拉机做动力源，用双万向联轴器把动力传递给驱动头，由驱动头带动抽油杆柱旋转，进而驱动螺杆泵旋转抽油。

RF power of stability and power output are influenced greatly by the heat dissipation of drive stage circuit board and power amplifier stage circuit.

在调试时我们发现驱动级电路板与功率放大级电路板的散热对于射频电源的稳定性与功率输出影响比较大。

The power of the Green movement in Germany has made that country a leader in the drive to recycle more waste materials.

德国环保运动的影响力使得该国率先发起了回收利用更多废品的运动。

Microwave solid-state drive module not only provides power to drive the after-class traveling-wave tube, and balance the output power of the module.

微波固态驱动模块提供功率来驱动后级行波管，并对其功率输出曲线进行预先幅度均衡。

Contains the integrity the lifting system, complete control system and power drive system.

包含完整的升力系统, 完整的操纵系统和动力传动系统.

And improve the power drive system trustworthy.

并提高了传动系统的工作可靠性。

New Technical Features in the Power Drive System of Foreign Large Bulldozers

国外大型推土机动力传动系统的最新技术特点

A detailed design scheme of this digital DC motor control system' hardware, and some important functions blocks of data processing and power drive board are introduced.

给出了该直流电机数字控制系统的详细的硬件电路设计方案，介绍了数据处理板和功率驱动板的主要功能模块的设计。

Therefore, it is necessary to design one digital drive power for LD, including constant value unit and monitoring system.

因此，需要为其设计一套数字化驱动电源，包括恒值单元和监控系统。

The ability of power network maintaining its power supply reliability and quality is restricted by power network structure, line and load characteristics, generator drive device characteristics and relay protection mechanism.

电力网络维持其供电可靠性及电能质量的能力是受电网结构、线路和负荷特性、发电机动力设备特性以及继电保护机制等因素影响的。

Low Level Integration Aids Design for Automotive Power Drive Systems

适度集成有助于汽车功率驱动系统设计

Part V argues bronze mirror is a great power of the sun god to drive evil tool.

第五部分论证铜镜是以太阳神的巨大威力来驱恶辟邪的工具。