查询词典 power lines

Starting with the traits of zero order impedance and the relationship between zero order current and zero order impedance,analyzes the main differences of electric traits of power cables and aerial lines and the disadvantages of applying power cables into the traditional grounded protection.

从正、负、零序阻抗特性以及零序阻抗与零序电流的关系入手，分析了架空线路与电力电缆电气特性的主要区别及传统接地保护应用于电力电缆线路所带来的弊端。

The impacts of the ultra high voltage AC/DC grid on Fujian power grid are analyzed in this paper. The security and stability of Fujian power grid and the interactions among the AC and DC system are studied under the single/double faults of EHV AC transmission lines and monopolar/bipolar block faults of EHVDC system near converter station.

中文摘要：分析了交、直流特高压电网对福建电网安全稳定的影响，研究了特高压交流电网、特高压直流系统发生故障时福建电网的安全稳定性以及受端换流站附近交流电网单一或严重故障对直流系统的影响及系统安全稳定水平。

The company mainly products insulators for power station with 5-110KV lower, all kinds of stick insulators for power transformers, inductors, lightering arrestors, fuse boxes, electrified railway lines as well as electrostatic precipitators.

公司拥有一大批专业技术管理骨干和经验丰富操作熟练的员工队伍，生产5-110KV以下电站电器各种绝缘子，变压器，互感器，避雷器，熔断器，电器化铁路，静电除尘器等各种，支柱棒型绝缘子，并根据用户需要来图来样设计生产。

It is required in these models that the revenge of trust transactions must be greater than that from strategic bid in electricity market, and some constraints such as revenges of trust transaction participants, power limitations of transmission lines, power balance of the whole net, quantities of trust t.

在这 2个模型中，要求委托交易的收益应大于在电力市场中策略性竞标的收益，同时考虑了委托交易公司收益、输电线路功率限制、整个电网的功率平衡和委托交易电量等因素的约束条件，给出了委托交易公司和受委托交易公司的成本函数。

A mathematical model of high-voltage short distance ring power transmission lines is developed and a multiple modules coupling model of this power transmission system fit for digital real-time simulation is further presented on the basis of known models of synchronous machine and composite load.

建立了高压短距离环形电力传输线的数学模型，并在已知同步发电机与综合负载模型的基础上，进一步提出了适合于该电力传输系统数字实时仿真的多模块耦合模型，同时给出了相应的数字积分方法。

Currently, it has three major product lines : for various switching power supply UPS and generators aging / test power-saving electronic feedback load; for solar and wind energy to generate electricity grid inverter; for battery production / test saving battery charging and discharging equipment.

目前已形成三大产品系列：用于各种开关电源、UPS及发电机老化/测试的电能回馈型节能电子负载；用于太阳能及风能发电的并网逆变器；用于蓄电池生产/测试的节能型蓄电池充放电设备。

Design construction projects the main programming: the preparation of engineering design submissions Hospital Hospital project plan The total partition function of the Hospital Clinic at the walls between the structural engineering plans and details Hospital System Low Voltage Electrical Power Supply + Design Engineering IT system partition Fig T power of medical electrical equipment isolation hospital settings engineering drawings special UV lighting socket and weak institutional arrangements security system installations and lines of fire engineering drawings hospital integrated security access control system engineering drawings positive pressure medical oxygen delivery device engineering drawings HVAC heating ventilation and clean equipment UF works to the drainage and septic tanks Automatic disinfection equipment engineering drawings Hospital surgery, X-ray radiology, ICU, POD clean room design details of the Department of the hospital interior decoration Engineering Graphics Anti-X-ray radiation room, toilet, water tank waterproofing compound - the hospital doors and windows - out-patient cases, such as Taiwan, the design of the node map hospital project cost book.

建设项目设计图主编程：编制医院工程技术设计意见书医院工程功能分区总平面图医院诊室分间平面图和墙身结构工程详图医院低压电气系统图+隔离电源IT系统分区设计工程图医疗电器设备T电源隔离设置工程图医院照明插座和特殊UV机构设置弱电系统装置及线路设防工程图医院消防接控系统综合设防工程图医疗氧气正压配送装置工程图暖通热力通风和UF洁净设备工程图给排水和化粪池自动化消毒设备工程图医院手术、X光放射、ICU、POD部室洁净设计详图医院室内装饰装修工程图防X线辐射房间、卫生间、积水池复合防水-医院门窗-门诊台案等设计节点图医院工程造价书。

The optimization of power network planning and the selectees of the power transmission lines in all of the possible load conditions obtained from this method. Then according to the probability of the condition, the distribution network planning conclusion with good adaptability and reliability requirement is put forward.

采用多情景方法求得未来多种可能负荷情景下的电网最优规划方案，得到各待选线路在各情景下的被选情况，并根据各种情景可能出现的概率，提出依据电网可靠性要求和线路被选概率的大小选择各条待选线路，形成具有较好适应性的电网灵活规划方案。

On the basis of analyzing the output signal of a two wavelength beat-wave absolute distance interferometer, this paper proceeds from the realities of the aiming method of the beat-wave interferometer, conducts an analytical investigations on the dependence of the aiming accuracy of the beat-wave interferometer on laser dual-line output power equilibrium, propose two new concepts-a basic aim blind area and a blind area expansion, and establishes an analytical expression between the blind area expansion and the relative power difference of laser dual lines.

本文从拍波干涉仪对准方法的实际出发，在分析双谱线拍波干涉仪输出信号的基础上，研究了双谱线功率不一致与拍波干涉仪对准精度的关系，提出了基本对准盲区和盲区扩大量的新概念，建立了描述盲区扩大量与双谱线相对功率差之间关系的解析表达式。

Eatures · Compatible with MCS-51 Products · 2K Bytes of Reprogrammable Flash Memory – Endurance: 1,000 Write/Erase Cycles · 2.7V to 6V Operating Range · Fully Static Operation: 0 Hz to 24 MHz · Two-Level Program Memory Lock · 128 x 8-Bit Internal RAM · 15 Programmable I/O Lines · Two 16-Bit Timer/Counters · Six Interrupt Sources · Programmable Serial UART Channel · Direct LED Drive Outputs · On-Chip Analog Comparator · Low Power Idle and Power Down Modes Description The AT89C2051 is a low-voltage, high-performance CMOS 8-bit microcomputer with 2K Bytes of Flash programmable and erasable read only memory.

eatures ·兼容MCS - 51的产品·及2k字节的编程快闪记忆体-耐力： 1 000写/擦除周期·在2.7 V至6 V的操作范围·完全静态的运作： 0 Hz至24兆赫·两个层次的程式记忆体锁· 128 × 8位内部RAM · 15个可编程I / O线·两个16位定时器/计数器· 6中断源·可编程串行UART的频道·直接驱动LED产出·单晶片模拟比较·低功耗的闲置和掉电模式描述该AT89C2051的是一个低电压，高性能的CMOS 8位微机与及2k字节的Flash可编程和可擦除唯读记忆体。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。