TTU

Wind Tunnel Test and Numerical Simulation on TTU Building Model

TTU标模风压数值模拟及试验对比

This paper summarizes distribution automation system and expatiates TTU 's important situation in it ;

论文综述了配电自动化系统及配电变压器远方终端单元在配电自动化系统中的重要地位。

The last part is the developing of the real-time communicating technique between monitoring center and TTU .

监控中心与配变监测终端实时通信技术的开发。

This paper expounds TTU 's important impacts and functions in distribution system , analyses TTU 's structure and present application .

本文阐述了配电变压器监测终端（TTU）在配电自动化系统中的重要作用与功能，分析了配电变压器监测终端的组成结构和应用现状；

Researches the hardware and software design of TTU like measure module , display module , communication module , and so on .

重点研究了配电变压器远方终端单元的硬件、软件设计方案，如测量检测、显示、存储、通信模块以及通信上位机软件设计等。

Wind-Tunnel Investigation of TTU Standard Model and the Flat Canopied Low-rise Buildings

TTU标模及平顶罩棚类低矮建筑的风洞试验研究

Aimed at the demand of electric power company , we analyse the main function of TTU ( Transformer Terminal Unit ) .

针对电力公司和实际应用的需要，重点分析了配电变压器监测终端（TTU）的功能。

And the shield double line is used between FTU or TTU on main feeder branch and sub branch .

馈线主干线FTU和馈线支路上的FTU、TTU通信采用屏蔽双绞线的专线通信方式；

The paper expatiated the functions and performance of TTU , analyzed and compared the algorithm and implement methods of TTU in detail .

论文结合国内外配电变压器监测终端单元的现状及发展趋势，阐述了终端单元TTU的相关功能特点和性能描述，对配电设备监测算法及配电终端设备的具体实现方法进行了详细地分析和比较。

Considering the limitation of current TTU in China , this thesis presents a new type of TTU based on the technology of MSP430 processor .

针对目前国内现行的变压器监控终端产品的局限性，本课题研制了一种新型的基于单片机MSP430技术的变压器监控终端。

The terminal devices of DA ( RTU ) embodies FTU , DTU and TTU .

配电自动化系统远方终端（RTU）包括FTU、DTU和TTU。

FUT , TTU are arranged in switches and distribution transformer to supervise the state of the switches and acquire parameters on systems .

当前实施的DA中已普遍采用重合器、分段器等新型智能开关，并在开关和配电变压器处配置FTU，TTU等远方终端装置以监测开关状态和采集电气量。

This paper introduces a DSP based transformer terminal unit ( TTU ), and emphasizes on the hardware and software 's design of TTU and the implementation of harmonics analysis .

本文介绍基于DSP的配电变压器远方终端单元（TTU）的研制方案，着重介绍了其系统硬件和软件设计及谐波分析的实现。

Almost all calligraphy works of the early Tang Dynasty were influenced by Wang Xizhi . Wind-Tunnel Investigation of TTU Standard Model and the Flat Canopied Low-rise Buildings

所以，唐初的书坛自然为王羲之书风所笼罩。TTU标模及平顶罩棚类低矮建筑的风洞试验研究

Apparently , TTU need to sample many analog siganls and do much digital processing work , which necessitate the processor to have high performance in digital processing and A / D convertion .

很明显，TTU需要对三相电压/电流等大量模拟信号进行的交流采样和数据处理，而这往往对处理器的计算速度和A/D转换精度和速度要求很高。

The hardware design of distribution transformer terminal unit ( TTU ) is described in details , as well as the protocol between TTU and the master station . The design of master station and database is also described .

详细介绍了配变监控终端（TTU）的硬件结构和通信协议，以及配变监控主站软件和数据库的设计。

The wind tunnel test of the TTU ( Texas Tech University ) Building Model , an international standard model , at a scale of 1 ∶ 50 was carried out in TJ-2 boundary layer wind tunnel of Tongji University .

以国际通用的低矮建筑标准模型TTU（德州理工大学）模型为考察对象，在同济大学TJ-2建筑风洞中进行了1∶50缩尺模型的风洞试验研究。

This paper points out that three-phase real-time data that acquired by FTU and TTU can be resolved into three sequences of data and then state estimation can be made on each sequence of network to get the operation conditions of the whole network .

该文以此为出发点，将FTU、TTU采集到的三相实时数据分解为三序分量。然后对每一序网做状态估计得到整个网络的运行状态。

Remote terminal measurement units , FTU and TTU , are commonly designed in some of lines and at load terminal of public distribution transformer to promote the level of distribution automation , which provide full and reliable data for line loss calculating precisely .

当前为提高配电网自动化水平，普遍在部分线路及公用配电变压器负荷侧配置有远方终端测量装置（FTU、TTU）。这为准确计算线损提供了充实、可靠的数据来源。

PDA connects with the TTU using the photo-electric interface , sets the parameters of TTU and records the running data of TTU . These data are transmitted to computer system via serial interfaces of the computer , and are processed by the main computer system .

PDA通过光电接口与TTU进行通讯，完成对TTU的参数设置及运行数据的抄录，同时可将抄录的各类数据通过微机串行口送入微机主站系统，由主站系统对数据进行处理。