系统运行费用

采暖、空调系统运行费用的计量

Measurement of the Operating Fees of the Heating and Air-conditioning Systems

河南省长线局水源热泵系统运行费用分析

Operating cost analysis of water-source heat pump system in Henan Toll Line Maintenance Bureau

发电系统运行费用方差的快速解析算法

A Novel and Rapid Analytical Algorithm for Computing Variances of Production Cost of the Power Generating System

分析结果表明：相变材料蓄冷空调系统运行费用最低，但初投资较高；

The results indicate that the operation cost of PCM cold accumulation system is the lowest and the initial investment is relatively high .

结果表明，经优化设计得到的最优配置方案，在安装地点一年运行过程中，系统运行费用和年均投资费用最低。

The result of simulation shows that the proposal obtained by the optimal configuration of software gives the lowest costs of running and average investment per year .

认为分建生活、消防贮水设施有利于保护水质、保证供水安全，并可降低工程造价和给水系统运行费用。

Separate construction of cisterns is considered helpful to water quality protection and water supply security , and can reduce the costs of building construction and water supply .

通过理论的分析说明所设计的方案能够有更好的空气净化效果，并且能减少系统运行费用，是一种较为合理的空气处理方案。

According to the theoretical analysis , the new plan is a reasonable one because the air purification efficacy in hospital cleanroom would be better and the operation fee would be reduced .

本文依据大量的试验数据，分析了影响供热系统运行费用的因素，提出了改善供热系统经营管理的建议。

According to a lot of test data , this paper analyses the factors which affect the operating expenses of heating systems and makes proposals for improving the management and administration of heating systems .

文章从能量转化与分配的角度阐述了采暖、空调系统运行费用发生的机理，论述了各种采暖、空调系统运行费用的计量方式，揭示了费用计量与系统节能之间的关键联系。

The paper states the occurring mechanism of the operating fees of the heating and air-conditioning systems from the perspectives of energy conversion and distribution , discusses the different measuring ways and reveals the key relation between fee measurement and system energy conservation .

结果表明，变角调节频度越高，每天划分的时段数越多，则优化效果越好，泵站系统运行费用越低，并趋向一恒定值。

The results showed that the higher the regulating frequency by adjusting pump blade angles , the more the number of time periods per day is , while the optimal effect is obvious , and pumping station operation cost is decreased , which tends to some const .

基于并网及孤岛运行模式，提出了微网的多目标能量优化管理模型和调度策略，并用遗传算法分别求取系统运行费用最小、环境效益最大和综合效益最好下的各发电单元出力。

Based on interconnected and isolated mode with grid , energy optimal management models and scheduling strategies of MG have been proposed , and an advanced genetic algorithm has been used to solve these models for minimum operating cost , greatest environmental benefits and best comprehensive benefits .

系统维修运行费用；

The maintenance costs of the system ;

这将会减少研究项目的计算时间，降低计算机系统的运行费用。

It can make the time computing research project and expense running the computers system decrease .

对所构建的免疫空调系统在运行费用、适用性等方面进行了初步分析，表明其具有较好的经济性和适用性。

The preliminary analysis on the operating expense and applicability of the system indicated that the system is quite economical and applicable .

由于冷却水的循环使用，可节约用水，减少空调系统的运行费用。

The central air conditioning cooling water circulation system can not only save a lot of water and also resuce its operation cost because of the cooling water recycle .

以赵楼煤矿为例，通过空调所需供气量和经济性两个方面进行分析，得出一台国产D-100/8型空气压缩机供气量即可满足矿井制冷要求，同时，该空调系统的运行费用也较为合理。

Through the analyses of air-conditioning capacity and economic aspect , it is concluded that the D-100 / 8 type air compressor made in China could meet both of the upper requirements .

在低水头航运枢纽工程建设过程中，施工导流方案的优劣不仅影响工程的建设投资和系统的运行费用、工程的建设工期，同时还直接影响着工程施工的安全性和周边环境等。

During the construction of Low-head Navigational Junction , whether the scheme of construction diversion is good or not affects not only the investment of project , the operational cost of system and the time limit of project , but also the periphery environment and the safety of project .

运用该算法，求得了使系统长期运行平均费用率最低的预防性维修阈值与检测间隔分布。

With this policy the long-run average cost rate of system is minimized .

蓄冰空调可降低系统的年运行费用。

Furthermore , the ice-storage technology can reduce the operating cost of air-conditioning systems .

通过试验，研究了常规给水处理系统运行工况与费用的基本关系，证实了最经济沉淀水浊度的存在；

The relationship between operation conditions and its cost for a water treatment system was studied through the test .

最后，控制结构设计方案在控制系统性能与运行费用间进行权衡选择。

Therefore , control engineers can choose a control structure which is a trade-off between control performance and operation cost .

以计划周期内系统运行期望总费用最小建立目标函数，由此得到最优的订货策略。

Optimization function of the system has been established in the object of minimizing expectation total cost of system running during each planning period .

推导出了两种形式下热泵系统单位小时运行费用，结合某实例说明采用后置式辅助热源的地表水源热泵系统运行费用小，具有节能的优越性。

With the help of one project case , studies show that the post positional assisted heat source surface water heat pump system is superior in the operation cost and energy saving .

该项技术不仅可用于新建机组，也可用于运行机组，且实施过程简单，可充分利用原系统设备，运行费用低廉。

And the process to get the technology carried out is very simple , and also the elementary facilities of the old system can be taken in use for the new system sufficiently , while the operating cost is lower .

阐述了UASB-SBR组合工艺处理啤酒废水的工艺流程，实践表明，UASB-SBR系统具有运行稳定、费用低、抗冲击负荷强等优点。

Composite UASB-SBR process is employed to treat beer wastewater . The practice shows that UASB-SBR system has the virtue of stable working , low cost , and good load to impact .

潜水式地源热泵系统设计方案及运行费用分析

The System Design Programme & Operation Cost Analysis on Submerged Geothermal Heat Pump

通过对搜集的大量给水、污水处理、中水系统建设费用及运行费用资料进行统计分析和系列设计，运用曲线拟合方法，建立水资源系统工程费用函数。

The cost model of regional water resource systerm is established by analyzing and projecting a plenty of datum about each part and using curve fitting compaction method .

在论文的结尾部分给出了不同空调系统初投资和运行费用的计算模型，并借鉴经济学知识提出几个评价冰晶式蓄冷空调的经济指标。

Calculation models of the initial investment and operating cost of different air conditioning systems are given . According to economics knowledge , several economic indicators are proposed .

这三种设计方案在一定程度上都能满足设计需求，但同时都存在一个相同的问题就是增加了系统的投资和运行费用。

To some extent these three designs are able to meet the design requirements , but the same question of them is increasing investment and operating costs of the program .

在此基础上，以网络系统投资和年运行费用最小为目标建立了这三种网络多目标规划设计的数学模型。

Then three multi-objective mathematic models are established according to the design of networks mentioned above , in which the minimal network systematic investment and annual operation expenses are taken as the objectives .