power feed system

The experimental system includes a vacuum simulation section, power supply section, propellent feed section, parameter measurement section and an arcjet.

试验系统包括真空模拟系统，供电系统，推进剂供给系统，参数测量系统和发动机本体。

A government drive to solve the problem by putting more "distributed" solar cells on the roofs of houses and factories has stalled because of the lack of a smart grid system that allows people and businesses to feed power into the grid and get paid easily.

由于缺乏能让个人和企业较容易地向电网馈电并获得酬劳的智能电网，政府通过在房屋和工厂顶部安装更多“分布式”太阳能电池的解决方案也遇到了阻碍。

Power System Load Frequency Feed Forward Control

电力系统负荷频率的前馈控制

The multistage feed water pump is one of the important equipment of thermal power plant steam circulation system, and the axial force balance mechanism is an important component part of multistage feed water pump.

多级给水泵是火力发电厂汽水循环系统中的重要设备之一，轴向力平衡机构是多级给水泵的重要组成部分。多级给水泵的轴向力平衡装置设计与分析，具有工程背景和实用价值。

But the connection of wind power makes the districts show a typical character of week feed system which forms a great test for system relay protection especially in high frequency protection of which one line can falsely trip two times.

但风电的接入使得该地区电网呈现出典型的弱馈系统特点，这使得系统继电保护面临很大的考验，尤其作为高频保护，现场曾发生过同一条线路两次误动的现象。

A new circuit in double pumps hydraulic system of modular machine tool's power sliding feed table

组合机床动力滑台双泵供油液压系统新回路

In the HPM radiation techniques, the design of HPM feed system becomes the key, because the feed system is the ultimate power limit factor of the antenna system.

在高功率微波辐射技术中，馈源系统是天线系统的最终功率容量限定因素，因此高功率馈源系统的设计成为关键。

A new type of underwater welding system is studied, which includes an oscillating wire feed system and a welding power source with staircase external characteristic.

研究了一种新型的水下焊接系统。系统中弧焊电源输出阶梯型的外特性，送丝系统采用脉动送丝方式。

This paper presents a high power feed system for 7.3 m Cassegrain antenna.

介绍用于?7.3mCassegrain天线的高功率馈源喇叭的设计.

Compared with conventional welding power source, the working voltage of the system is about 1-5V lower at same wire feed speed.

实验表明，该系统具有很强的电弧自身调节能力，相对于传统控制方式，在相同送丝速度条件下工作电压可以降低1～5V。