水位控制系统1.ewb

EWB经典实用列子

Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
"                        " 
"                                                                                   电路简要说明" 
"" 
"                                                                      民用水位自动控制器（方案一）      " 
"                            " 
"                                                    设计者：武泽锋           班级：自39                  学号：29" 
"   电路技术指标：" 
"                      控制电压：5.0V                   工作电压：220v/50Hz                             输出功率：500~1000W" 
"    电   路  特  点：" 
"                      1） 成本低廉，操作简单，使用方便 。" 
"                      2） 与方案二 比较           " 
"                                       在此方案中采取了单水位反馈控制，能使水位较稳定地保持在预定水位，" 
"                              水位控制精度较方案二有较大的提高。但，系统在保持稳定水位的同时以比" 
"                               方案二高的频率使执行器件（民用二相小功率水泵）开启关闭，有损执行器" 
"                               件的使用寿命。" 
"                                         所以，在实际中可根据具体情况和实际需求综合考虑来选择设计方案。" 
"    电路分析及参数选择见试验报告。                                                              " 

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