
The TRF-100 is Vanguard’s third generation, microprocessor-based, automatic, three phase, transformer turns-ratio tester. This lightweight, portable unit is designed for testing transformers at utility power substations.
The TRF-100 determines the transformer turns-ratio using the? measurement method. The transformer turns-ratio (ranging from 0.8 to 50,000) is determined by precisely measuring the voltages across the unloaded transformer windings. To ensure accuracy, the TRF-100’s measuring circuitry self-calibrates before each measurement. It requires neither adjustment nor temperature compensation. The TRF-100’s turns-ratio measurement accuracy is 0.1% or better.
- Ratio Range: 0.8 – 50,000 to 1
- Capable of detecting 130 different 3-phase transformer types defined by ANSI, IEC, and Australian standards
- 3 test voltages: 4Vac, 40Vac, and 100Vac
- Phase angle and excitation current measurement
- USB PC interfaces
- 4.5-inch wide thermal printer (optional)
TRF-100是Vanguard的第三代微处理器自动三相变压器匝数比测试仪。这款轻巧便携式设备 为测试公用变电站的变压器而设计。
TRF-100使用 测量方法确定变压器匝数比。变压器匝数比(范围从0.8到50??,000)是通过精确测量无负载变压器绕组两端的电压来确定的。为确保准确性,TRF-100的测量电路在每次测量前进行自校准。它既不需要调整也不需要温度补偿。TRF-100的匝数比测量精度为0.1%或更高。
- 比率范围:0.8 – 50,000比1
- 能够检测由ANSI,IEC和澳大利亚标准定义的130种不同的三相变压器类型
- 3个测试电压:4Vac,40Vac和100Vac
- 相角和激励电流测量
- USB PC接口
- 4.5英寸宽热敏打印机(可选)
全自动三相变压器变比测试仪(测试电压可达100VAC,变比测量范围可达50,000:1)
产品功能和性能:
主要用来测量变压器绕组的变比、变比误差百分比、极性、相位角和励磁电流。
产品卖点:
1)三相一起接线,但只能一相一相地测量;采用ANSI/IEEE C57.12.90 测试方法;
2)变比测量范围: 0.8 to 50,000 :1;
3)能自动检测由ANSI、CEI/IEC、 澳大利亚标准定义的67种不同的向量组别变压器;
4)有三种测试交流电压可选:4 Vac, 40 Vac和 100 Vac;
5)可以Excel, XML, 和PDF 格式导出测试报告;
6)USB通讯接口;
7)单机或者电脑控制运行;
8)内置热敏打印机(可选项)。
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