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QNMVD100系列高压变频器的使用说明手册
QNMVD100系列高压变频器的使用说明手册。本产品的技术方案采用串桥级联多电平逆变器的主电路拓扑结构。高压变频器通过移相隔离变压器将三相6kV高压交流电,变换成3×5组错相的三相690V低压交流电,分别经功率单元整流、逆变、串联叠加形成0~6kV、0~50Hz的交流电压输出至异步电动机(QNMVD100 series of high-voltage inverter)
- 2011-07-15 15:25:53下载
- 积分:1
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AGV-zongshu
AGV各种综述性论文,包括各种导引方式,激光导引,超声波导引等固定路径和非固定路径导引(AGV variety of review papers, including a variety of guidance, laser guidance, such as ultrasonic guidance fixed path and a fixed route guidance)
- 2015-12-22 14:38:52下载
- 积分:1
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CourseManage
学生课程管理系统需求分析 包含总体设计 数据库设计 详细分析 DFD图 等(Student course management system requirements analysis includes detailed analysis of the overall design of the database design diagrams DFD)
- 2011-06-11 19:05:20下载
- 积分:1
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jiyuxuqiuxiangying
这是一篇基于需求响应的分时电价研究与分析.pdf硕士论文(failed to translate)
- 2011-07-13 10:04:51下载
- 积分:1
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tessendorf
osgocean的经典论文,讲了光照的折射反射,海浪频谱以及水下的光照问题等。(osgocean classic paper, about the reflection of light refraction, the wave spectrum and underwater lighting problems.)
- 2013-12-18 11:25:02下载
- 积分:1
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wojieliuliangji
涡街流量计数字信号处理系统的改进与实验
本文针对涡街流量计数字信号处理系统存在的不能测量小流量和易受电磁干扰的问题,对其软硬件方面进行了
改进。重新设计和研制了电荷放大器,提高了灵敏度,增强了适配能力。采取了合理的接地和屏蔽措施,提高了系统的抗干
扰能力。采用去均值和频谱校正的方法,改善了系统的测量精度。编制键盘监控软件,采用状态变量法设计键值分析程序,
实现人机对话功能。进行了液体流量和气体流量的标定实验,结果表明,改进后的数字信号处理系统比常规的流量计信号处
理系统的测量精度高、流程比宽和适配能力强。(Vortex Flowmeter digital signal processing system improvements and experimental
In this paper, vortex flowmeter digital signal processing systems can not exist in measuring small flows and vulnerable to electromagnetic interference problems, its hardware and software aspects of the
Improvement. To re-design and development of the charge amplifier, increasing sensitivity and enhanced adaptive capacity. Adopted a reasonable grounding and shielding measures to improve the system s anti-stem
Interference capability. Used to mean and spectral correction methods to improve the system s measurement accuracy. The preparation of keyboard monitoring software, using state-variable method designed to key analytical procedures,
Functions to achieve human-machine dialogue. Were liquid flow and gas flow calibration experiments, the results show that the improved digital signal processing systems than the conventional flow meter signal at
Management System s high accuracy, process than the w)
- 2010-02-01 08:14:53下载
- 积分:1
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AD421
在AD421搭建的过程中如何检测A 联合开发网 - pudn.com
- 2013-09-27 15:58:10下载
- 积分:1
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kuis-acak-soal
说明: quiz random and acak with php
- 2019-11-30 05:42:45下载
- 积分:1
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105151540090
这是一个简单的关于用Vc写的学习成绩管理的小程序的一个程序测试可以方便一些测试文档的编写(This is a simple Vc wrote about the academic management of a program to test a small program you can easily write some test documents)
- 2013-06-19 17:51:12下载
- 积分:1
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VegaPrime
一篇绝好的论文,主要参数VP中多坐标系的关系,包括地心坐标系,地面坐标系,投影坐标系之间的关系(An excellent paper, the main parameters of VP in the relationship between multi-coordinate system, including the geocentric coordinate system, the ground coordinate system, projection coordinates the relationship between)
- 2009-06-06 09:09:35下载
- 积分:1