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href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=293545&extra=page%3D1&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 1180101);" class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1180101"> <strong><font color="#ffffff"><font face="微软雅黑"><font style="font-size:9pt"><strong>什么是<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>负载？</strong></font></font></font><font color="#ffffff"><font face="微软雅黑"><font style="font-size:9pt"></font></font></font></strong><div align="left">电子负载是一种模拟真实负载的电子设备，常用于电源等电力驱动设备的设计验证与品质检验。</div><div align="left">1<font face="微软雅黑">）电子负载可以通过恒电流、恒电压、恒功率及恒电阻等拉载模式，来模拟各种静态负载。</font></div><div align="left">2<font face="微软雅黑">）电子负载可以通过动态、可编程序列等拉载模式，来模拟现实中复杂的动态负载。</font></div><div align="left">3<font face="微软雅黑">）电子负载可以<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>电压、电流、时间等参数，实现智能分析及自动<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>等复杂应用。</font></div><strong><font color="#ffffff"><font face="微软雅黑"><font style="font-size:9pt"><strong>电子负载如何选型？</strong></font></font></font><font color="#ffffff"><font face="微软雅黑"><font style="font-size:9pt"></font></font></font></strong><div align="left">1<font face="微软雅黑">）必须确认选择机型的额定输入电压、额定输入电流、额定输入功率，能满足测试需求，并略有余量。</font></div><div align="left">2<font face="微软雅黑">）有动态测试需求的，应确认电流斜率是否具有可编程能力，以及斜率控制细度。</font></div><div align="left">3<font face="微软雅黑">）对动态测试要求比较高的，应确认最大电流斜率是否满足测试要求。同一系列<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>，最大电流斜率与额定电流成正比，不变的是满量程电流爬升时间（</font><font face="Arial">Min.Rise Time</font><font face="微软雅黑">），因此，满量程电流爬升时间越小，动态性能越优越。</font></div><div align="left"> 最大电流斜率 <font face="Arial">= </font><font face="微软雅黑">额定电流 </font><font face="Arial">/ </font><font face="微软雅黑">满量程电流爬升时间</font></div><div align="left">4<font face="微软雅黑">）对测试环境比较恶劣的，应当选择环路带宽比较高的负载，一般而言，满量程电流爬升时间（</font><font face="Arial">Min.Rise Time</font><font face="微软雅黑">）越小，环路带宽越高，恶劣条件下的表现越优越（电源输入抑制比更高），可靠性也越高（失调冲击持续时间更短）。</font></div><div align="left">5<font face="微软雅黑">、对智能应用及自动化测试要求比较高的用户，应当选择高采样率的负载，高采样率才能保证输入信号的还原、保证伺服应用的精准、为智能应用的扩展提供条件。</font></div><div align="left">6<font face="微软雅黑">、对生产线应用而言，应优先考虑自动测试功能的系统性与便捷性，尽量避免小视角的</font><font face="Arial">LCD</font><font face="微软雅黑"><a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>屏。</font></div><font color="#333333"><font face="Arial"><font style="font-size:10.5pt"><div align="left">以上信息由西安安泰测试设备有限公司整理，希望对您能有所帮助。西安安泰测试设备有限公司是一家专注于电子测试及工业测试领域仪器销售与仪器维修的专业公司。为客户提供“丰富的测试产品选择、完整的系统测试解决方案、专业的测试<a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">软件</a>开发、全面的技术支持及售后服务”。目前公司主要进行电子测试仪器的销售及维修，自研产品的开发，已经成为西北地区规模最大的仪器综合服务商之一。</div><div align="left"> </div><div align="left"> 测试仪器维修事业部拥有多名丰富维修经验的高级工程师，能够完成各种测试仪器与测试系统的芯片级维修。我们提供免费样机试用，免费专业工程师培训，免费测试技术交流。 <br /> 我们秉承全心全意为客户服务的原则，以合理的价格，让用户获得满意，<br /> 公司优势<br /> • 西北唯一能够进行测试仪器芯片件及维修的专业公司帮助客户降低维修成本。 <br /> • 西北地区专业维修测试仪器，修复的仪器全部经过校准，为您提供最高质量的仪器维修服务。 <br /> • 西北地区首家具备出具中华人民共和国修理计量器具许可证的仪器维修公司。 <br /> • 专业的检测维修手段，打破国外厂家对高端仪器维修垄断，终结国外厂家维修的暴利时代。</div><div align="left"> </div><div align="left">咨询电话：029-88353093</div><div align="left">网站：www.agitek.com.cn</div><div align="left"> </div><div align="left"> </div><div align="left"> </div></font></font></font><font color="#333333"></font><div align="left"><font face="宋体"><font style="font-size:10.5pt"> </font></font></div></td></tr></table> <div class="ptg mbm mtn"> <a title="选择机型" href="misc.php?mod=tag&id=9496" target="_blank">选择机型</a>, <a title="电子设备" href="misc.php?mod=tag&id=101" target="_blank">电子设备</a>, <a title="测量" 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