The Vanguard Instruments ATRT-03 S2 is the third generation, microprocessor-based, automatic, three phase, transformer turns-ratio tester. This light weight, rugged, portable unit is designed for transformer testing at utility power substations.
The ATRT-03 S2 determines the transformer turns ratio using the measurement method. The ATRT-03 S2 outputs an excitation test voltage to the transformer primary windings. The induced secondary voltage is sensed and the transformer turns ratio is calculated. The ATRT-03 S2 is capable of measuring turns ratios from 0.8 to 15,000. The transformer turns-ratio, excitation current, and phase angle readings are displayed on the large LCD.
- Highest ratio: 0.8 – 15,000
- Capable of detecting 130 different 3-phase transformer types defined by ANSI, IEC, and Australian standards
- 3 Test voltages available: 8Vac, 40Vac, 100Vac
- Phase angle and excitation current measuring
- Computer Interface (RS-232C and USB Port)
- USB flash drive interface
- Name-plate turns ratio calculation
- Computed % error based on measured and calculated ratio
- Optional 4.5″ thermal printer
- Powered from a single phase 100-264 Vac 50/60 Hz
Vanguard仪器ATRT-03 S2是第三代基于微处理器的自动三相变压器匝数比测试仪。这款重量轻，坚固耐用的便携式设备为公用电力变电站的变压器测试而设计。
ATRT-03 S2使用IEEE C57.12.90测量方法确定变压器匝数比。ATRT-03 S2向变压器初级绕组输出激励测试电压。感测感应的二次电压并计算变压器匝数比。ATRT-03 S2能够测量0.8到15,000的匝数比。变压器匝数比，励磁电流和相位角读数显示在大型LCD上。
- 比例：0.8 – 15,000
- 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可用的测试电压：8Vac，40Vac，100Vac
- 相角和激励电流测量
- 计算机接口（RS-232C和USB端口）
- USB闪存盘接口
- 名牌匝数比计算
- 基于测量和计算的比率计算的％误差
- 可选4.5“热敏打印机
- 由单相100-264 Vac 50/60 Hz供电
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15,000：1）
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 15,000 ：1；
3）能自动检测由ANSI、CEI/IEC、澳大利亚标准定义的130种不同的向量组别变压器；
4）有三种测试交流电压可选：8 Vac, 40 Vac 和100 Vac；
5）内置热敏打印机（可选项）；
6）内置LTC控制器；
7）USB闪存，RS-232及USB通讯接口；
8）单机或电脑控制运行。
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