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PUSH Electrical PS-JSB01 Transformer Dielectric Loss Analysis Tan Delta Tester

介损测试仪采用变频电源技术、单片机及现代技术进行自动变频、模数转换及数据运算;具有抗干扰能力强、测试速度快、精度高、自动数字化、操作简单等特点;电源采用大功率开关电源,最高可提供10kV电压;能自动滤除50Hz干扰,适用于变电站等电磁干扰较大的现场试验。广泛应用于电力工业变压器、互感器、套管、电容器、避雷器等设备的介损测量。
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产品卖点介绍

 

  1. 核心描述
    介损测试仪采用变频电源技术、单片机及现代技术进行自动变频、模数转换及数据运算;具有抗干扰能力强、测试速度快、精度高、自动数字化、操作简单等特点;电源采用大功率开关电源,最高可提供10kV电压;能自动滤除50Hz干扰,适用于变电站等电磁干扰较大的现场试验。广泛应用于电力工业变压器、互感器、套管、电容器、避雷器等设备的介损测量。

  2. 介绍
    1、仪器采用傅里叶变换数字滤波技术测量电容、介损等参数,测试结果精度高,易于实现自动化测量。
    2、仪器采用变频技术,消除现场50Hz工频干扰,即使在强电磁干扰的环境下也能测得可靠的数据。
    3、数据存储:内部配备日历芯片及大容量内存,可随时保存测试结果,随时查看历史记录,并可打印输出。
    4、仪器数据可通过U盘导出。
    5、采用标准电容与高压电源一体化机型,方便现场测试,减少现场布线。
    6、具有反接线低压屏蔽功能,在220kV CVT母线接地条件下,不需断开10kV反接线即可测量C11的介损。
    7、能识别40Hz~70Hz外接高压电源频率,对大容量、高压介损试验允许采用工频电源或串联谐振电源。
    8、具备CVT测试功能,可实现CVT自励磁测试,并可设置高电压/电流、低电压/电流四级保护限值,确保人身及设备安全。
    9、试验CVT时,不但可以自动测试C1、C2的电容和介损,还可以测试CVT设备的总电容和介损。
    10.配有热敏打印机。
    11、具有计算机接口,一台计算机可控制32台仪器,可集成到综合高压试验车中实现测量、数据处理、报表输出。
    12、接地保护功能、防触电功能。

 

产品参数 

 

准确性

慢性

±(读数)×1%+1pF)

熔点δ

±(读数)×1%+0.00040)

抗干扰指标

变频抗干扰,在200%干扰下仍能达到以上精度

电容范围

内部施加高压

3pF~60000pF/10kV 60pF~1μF/0.5kV

外部施加高电压

3pF~1.5μF/10kV 60pF~30μF/0.5kV

解析力

最高达0.001pf,4位有效数字

tg δ 范围

无限制,分辨率0.001%,自动识别电容、电感、电阻。

测试电流范围

10μA~5A

内部施加高压

设定电压范围

0.5~10KV

最大输出电流

200毫安

电压升降模式

电压随意设置。例如5123V。

测试频率

40-70HZ,单频任意设定。例如48.7hz

50±0.1Hz至50±10Hz自动双频变换可随意设定。

60±0.1Hz至60±10Hz自动双频变换可随意设定。

频率精度

±0.01Hz

外部施加高电压

正接时最大测试电流5A,工频或变频40-70HZ

反接线时最大测试电流10kV/5A,工频或变频40-70HZ

CVT自激低压输出

输出电压3~50V,输出电流3~30A

测量时间

约40s,与测量方法有关

输入电源

180V~270vac,50Hz±1%,市电或发电机供电

计算机接口

标准RS232接口,U盘插座(U盘数据自动存储)。

打印机

微型热敏打印机

环境温度

–10℃~50℃

相对湿度

< 90%

外形尺寸

460×360×350毫米

仪器重量

28公斤

 

视频

 

ac dielectric tester

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tan delta system

tan delta test

tan delta test kit

tan delta test set

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