一
、产品介绍

DY-3318型异频线路参数测试仪是现场测试各种高压输电线路(架空、电缆、架空电缆混合)工频参数的高精度测试仪器
。仪器为 结构，内置变频电源模块，可变频调压输出电源
。频率可变为45Hz或55Hz，采用数字滤波技术，避开了工频电场对测试的干扰

，从根本上解决了强电场干扰下准确测量的难题。同时适用于全部停电后用发电机供电检测的场合
。

随着电网的发展和线路走廊用地的紧张，同杆多回架设的情况越来越普遍
，输电线路之间的耦合越来越紧密，在输电线路工频参数测试时干扰越来越强
，严重影响测试的准确性和测试仪器设备的 性
，针对这一问题，奔驰宝马娱乐开发了新一代输电线路异频参数测试系统
，集成变频测试电源
、 测量模块
、DSP高速数字处理芯片及独有的技术抗感应电压电路
； 地 强干扰的影响
，保证仪器设备的 
，能极其方便、快速、准确地测量输电线路的工频参数
。

产品别称：异频线路参数测试仪,线路参数测试仪,输电线路异频参数测试系统,输电线路异频参数测试仪,输电线路参数测试仪

二、产品特点

1、 结构，体积小、重量轻
仪器内部高度集成化，把传统测量方法中将近一卡车的设备器材全部集成在 主机箱内
；是目前国内同等产品当中体积 小、重量 轻的；为试验提供了一种 简单便捷的试验手段

。

2、接入电源简单方便
仪器所有测量过程仅仅只需接入市电220V电压即可
，解决现有测量方法中现场380V电压接入不方便的麻烦
。

3
、超强的抗感应电压能力
仪器内部采用独特的抗感应电压电路
，保证仪器能够承受更高的感应电压，能够在上万伏的高感应电压下正常工作。

4


、变频技术、精准测量
抗干扰能力强，由仪器内部自带变频电源模块提供仪器测量输出电源，频率可变为45Hz或55Hz，并采用数字滤波技术， 地避开了现场各种工频干扰信号
，使仪器实现高精度


、准确可靠的测量。

5、DSP高速处理器
精准快速，仪器内部采用 的DSP快速数字信号处理器作为处理核心，在保证测量数据精准的前提下，大大的提升了一起本身的运算处理能力。

6
、操作简单
外部接线简单，正序阻抗、零序阻抗、正序电容、零序电容在测试端仅需一次接入被测线路的引下线就可以完成全部的测量
；解决了现有测试手段存在的测试接线倒换烦琐、抗干扰、稳定度
、精度等方面存在的问题；避免因改接线时感应电压对实验人员的伤害
。

7、海量数据存储
仪器内部配备有日历芯片和大容量存储器，能将检测结果按时间顺序保存
，随时可以查看历史记录，并可以打印输出。

8、科学先进的数据管理
仪器数据可以通过U盘导出，可在任意一台PC机上通过我公司专用软件
，查看和管理数据并可生成工作报告。

9、全触摸超大液晶显示
操作简单，仪器配备了 的全触摸液晶显示屏，超大显示界面所有操作步骤中文菜单显示
，每一步都非常清楚，操作人员不需要额外的 培训就能使用。轻轻触摸一下就能完成整个过程的测量，是目前非常理想的智能型测量设备
。

三、技术参数

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1

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使用条件

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-20℃ ~ 50℃

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RH＜80%

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2

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抗干扰原理

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变频法

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3

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电    源

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AC 220V±10%

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允许发电机

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4

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电源输出

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大输出电压

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AC300V

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电压精度

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0.5%

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电流精度

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0.5%

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大输出电流

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8A

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输出频率

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45Hz、55Hz

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5

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测量范围

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电容

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0.01~30μF

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阻抗

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0.01~400Ω

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阻抗角

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-180°~ +180°

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6

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测量分辨率

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电容

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0.0001μF

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阻抗

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0.0001Ω

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阻抗角

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0.0001°

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7

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测量准确度

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电容

：      ≥1μF时，±1%读数±0.01μF
；

            ＜1μF时，±2%读数±0.01μF；

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电阻：       ≥1Ω时

，±1%读数±0.01Ω
；

             ＜1Ω时，±2%读数±0.01Ω；

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阻抗角：     ±0.2°（电压＞1.0V）
；

±0.3°(电压:0.2V~1.0V)；

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8

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干扰电流

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小于40A

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9

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外型尺寸

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500（L）×400（W）×450（H）

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10

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存储器大小

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100 组  支持U盘数据存储

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11

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重    量

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55 Kg