查询词典 a-c generator

The heat transfer model of a high pressure generator with fire tubes developed in this paper can forecast the state of heat exchange quantitatively, offere theory gist for experiment research of fire tube generator, and can provide important reference for the design of fire tube generator.

本文建立的高压发生器传热模型可对火管式高压发生器的传热效果进行分析，可以为溴化锂机组火管式高压发生器的设计提供重要的参考，可以为火管式高压发生器的实验研究提供理论依据。

According to [2], we know that if X is a reflexive Banach space and T is a strongly continuous semigroup on X with the infinitesimal generator A, then the adjoint semigroup T~* is also a strongly continuous semigroup on X* and its infinitesimal generator is A~*, the ajoint operator of A.

由文献[2]我们知道，如果X是一自反Banach空间，那么X上强连续半群T的对偶半群T~*也是X~*上的强连续半群，并且其无穷小生成元为半群T的无穷小生成元的对偶。

The results of simulating tests show that the stability of generator is improved by GAHC, GAHC is effective in multi-machine machine system although it was designed by using the parameter of local generator. GAHC is a simple and feasible decentralized control method for improving stability of synchro-generator.

动模实验结果验证了：GAHC提高了发电机的稳定性；GAHC能够使发生失步故障的发电机拉入再同步运行；按照本地机组设计的GAHC在多机系统中也是有效的；GAHC是一种简单可行的提高发电机稳定性的分散控制方法。

The system description is concentrated on units' function. The principle of induction generator describes how to generate electric power from induction motor and the difference between synchronous generator and induction generator. The design of induction generation system is focus on a 80kW biogas induction generation and controlled parallel panel. Finally, the peripheral unit design is interesting in biogas storage tank, hot air duct and safety device .

系统描述针对感应式沼气发电系统所需设备的功能说明；感应发电机原理机针对马应马达与发电机之运转模式说明，并比较同步式与感应式发电机之差异；感应发电系统设计则针对80kW感应式沼气发电系统所需发电机组、保护并联盘设计说明；周边设施包括沼气储袋、引擎热风导管及沼气安全装置。

A memory device includes: a generator system having a number of generators that supply voltage or current to the memory device, a controller that supplies to the generator system a state control signal that commands the generators to be in an active state or a standby state, and a self-refresh oscillator that generates a self-refresh clock signal having a period suitable to refresh memory cells of the memory device.

存储装置包括：具有多个发生器的发生器系统，所述多个发生器被配置来给所述存储装置提供电压或电流；给所述发生器系统提供状态控制信号的控制器，所述状态控制信号命令所述发生器处于激活状态或备用状态；以及自刷新振荡器，该自刷新振荡器生成具有适于刷新所述存储装置的存储单元的周期的自刷新时钟信号。

according to the users′ actually demand for uninterruptible power supply for loads,the internal structure of digital generator is analysed and the reason for its uninterruptible function can′t be achieved.a design of the uninterrupted power supply system which transformed from the digital generator is proposed.the system uses the inverter of generators,ac through inverter for loads,at the same time,charges the battery as ac is normal.inverter the battery dc converters to ac for load,meanwhile,starting generator,when power failure.the system applies uninterruptible power for load,whether the ac is normal or abnormal,and design voltage and frequency stabilization,output zero-interrupted,battery charging and discharging management.without requiring purchase an uninterruptible power supply separately,this design can avoid duplication of investment and wasting of resources.

快速安全提高汽轮发电机转子检修质量。。。摘要：针对用户对负载供电不间断的实际需求，分析了数码发电机的内部结构及其不能实现供电的不间断性能的原因，提出一种由数码发电机改造组成的交流不间断供电系统的设计方法。该设计利用发电机内部的逆变器，在市电正常时，由市电经过逆变器给负载供电，同时给蓄电池充电；在市电断电时，一边启动发电机，一边由蓄电池的直流电通过逆变器转换成交流电供负载使用，实现无论市电正常还是异常，系统对负载提供不间断电源。设计对市电进行稳压、稳频、输出零切换、蓄电池的充放电管理等新功能。此设计无需单独购买不间断电源，避免重复投资和资源浪费。

Application of SA866AE Three-phase PWM Signal Generator in AC/AC FC;2. By existing control question of mineral air compressor and power supply particularity in mine,using Mitsubishi corporation's IPM power module as main circuit component,METEL corporation's SPWM generator SA866AE as wave profile generator,a kind of transducer was designed.

针对矿用空压机控制存在的问题和矿山供电的特殊性，利用三菱公司IPM功率模块作为主电路器件，METEL公司的SPWM发生器 SA866AE 作为波形发生器，设计了一种宽输入电压范围、低成本、高可靠性的变频器，实现了矿用空压机的自动调节功能，节约了能源，提高了供气质量。

A natural energy generator of multifunction is featured as setting solar energy cell array and wind force generator on black internal layer; setting turbine wind – force generator on chimney; connecting top end of hollow support with space above black internal layer and bottom end to residential area, planting area, breeding area and heat storage reservoir; adding cold air setting jacked layer and heat collecting unit or refrigerator in some cases.

一种多功能、自然能发电厂，包括透明大棚15，黑色内层16，太阳能电池阵列13，烟囱10，风力发电机11、26、12，空心支柱17，储热水库20，居住、种植、养殖区19，其特征是，黑色内层16上装有太阳能电池阵列13和风力发电机11、12、26，烟囱(10)上方装有涡轮式风力发电机5、8，空心支柱(17)上端与黑色内层(1 6)上方空间连通，下端与居住种植养殖区(19)和储热水库(20)连通。实施例2中有加设的冷气沉降夹层(30)和集聚热装置或冷冻机(32)、(35)。

Company's products are as follows: 1, AC-DC transformer test, the control box and console, high-voltage direct current generator, high-current generator, the third-harmonic power generator , AC-DC high-pressure measuring device, dry-type isolation transformers. 2, MOA tester, relay calibrator, DC Resistance Tester, insulating oil dielectric strength tester, dielectric loss tester, insulating oil dielectric loss tester, transformers containing a switch tester. 3, clamp-type ground resistance tester, grounding resistance table, insulation resistance tester, switch mechanical properties tester, loop resistance tester, vacuum tester. 4, cable fault Tester (notebook computers, LCD, kinescope three shows), sentinel-synchronous digital, cable identification device, try扎cable, high-voltage integrated devices, underground pipeline detector, cable detector, high pressure Cable Detector, DC Bridge, DC arms Bridge, the PSA than the bridge. 5, the company also several well-known domestic and foreign agents company's products, for example: Japan has legislation (Xinhua shake table 3121,3122,3123,3125), Japan with 000 (high-voltage clamp-type table HCL1000D, HLC9000, HLC5000, etc.), cable Altimeter instrument, laser range finder, non-metallic pipeline positioning system, and so on. N:-yuan power equipment

公司产品如下：1、交直流试验变压器、控制箱及控制台、直流高压发生器、大电流发生器、三倍频电源发生器、交直流高压测量装置、干式隔离变压器。2、氧化锌避雷器测试仪、继电保护校验仪、直流电阻测试仪、绝缘油介电强度测试仪、介质损耗测试仪、绝缘油介质损耗测试仪、变压器有载开关测试仪。3、钳型接地电阻测试仪、接地电阻表、绝缘电阻测试仪、开关机械特性测试仪、回路电阻测试仪、真空度测试仪。4、电缆故障测试仪（笔记本电脑、液晶、显象管三种显示）、数显同步定点仪、电缆识别仪、电缆试扎器、高压一体化装置、地下管线探测仪、电缆探伤仪、高压电缆探伤仪、直流电桥、直流双臂电桥、变压比电桥。5、本公司还代理国内外多家知名公司的产品例如：日本共立（电动摇表3121、3122、3123、3125等）、日本万用（高压钳型表HCL1000D、HLC9000、HLC5000等）、线缆测高仪、激光测距仪、非金属管线定位系统等等。

A circuit and method for isolating a subscriber line interface circuit from the ringer generator in a telephone system. Using a gain blocking device to provide a signal gain when the ringer generator is not being utilized and to provide a high impedance when a ringer signal is present.

一种用于隔离电话系统中的用户专用线接口电路和振流发生器的电路和方法，利用一个增益阻塞器件，当振流发生器未被使用时提供信号增益；当振铃信号出现时提供高的阻抗。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。