Transformer Testing Tools
| Project | Name | Model | Technical Specifications | Function |
| Power-Frequency Voltage Withstand Test | Frequency conversion resonant voltage test device | RDXZ-135kVA/108kV |
Rated voltage output: 0~108KV and below Output frequency: 30~300HZ; continuous operating time: 60min Waveform distortion of resonant voltage: ≤1.0% |
35kV main substation AC voltage withstand test |
| Auto voltage withstand test device | RDYD-10/100 | 10kVA/100kV non-linear error: ≤0.01% FS | 35kV main substation power frequency voltage withstand | |
| Power-Frequency Voltage Withstand Test | Automatic test instrument for precision oil dielectric loss | RD6100 |
Testing range: tgδ: non-limited; C x：15PF～300PF Accuracy: tgδ:±(Reading*1.0%+0.020%) C x：±(Reading*1.0%+0.5PF) |
For dielectric loss angle of liquid insulating dielectric such as transformer insulating oil |
| Insulating oil voltage withstand tester | RDIIJ-80kV | 0-80kV accuracy：±1.0% | Dielectric strength test of insulating oil | |
| Auto open flash point tester | RDKS3000 | Range: 39℃～400℃ resolution：0.1℃ | Open flash point value and burning point value of transformer oil | |
| Auto closed flash point tester | RDBS3000 | Range: room temperature -300℃ resolution：0.1℃ | Closed flash point value of transformer oil | |
| Micro-moisture meter | RDKF-106 |
1. range: 0ug～100mg 2. accuracy: water yield tested between 3ug～1000ug, deviation less than ±2ug; water yield tested over 1000ug, deviation less than ±0.2% 3. resolution: 0.1ug 4. faradaic current: 0～400mA |
Test micro-moisture | |
| Gas chromatography | RDC-9580 |
Environmental temperature ：0℃～35℃ Temp accuracy: ±0.1℃ Temp range：over room temperature 10℃～400℃ 稳定时间：<30min 功 率：1800W 外型尺寸：585×500×470(mm) 最小检测浓度：单位：μL/L 组分H2O2N2COCH4C2H4C2H6C2H2CO2 最小检测浓度2102010.10.10.10.15 |
Test H2、O2、N2、CO、CO2、CH4、C2H4、C2H6、C2H2 in transformer oil | |
| Insulating resistance test | High voltage insulating resistance tester | RD2000B |
250V/500V/1kV/2.5kV/5kV Accuracy: ±5.0%；high voltage short circuit current ≥3.5mA |
Test high voltage electricequipment insulating resistance and absorption ratio and polarity index |
| Dielectric loss test | Dielectric loss tester | RD6000 |
High voltage output: 0.5～10kV； Testing range: 0.1%＜tgδ＜ 50%； 3PF＜Cx ＜ 60000PF Accuracy: tgδ：±(reading *1.0%+0.04%) Cx：±(reading *1.0%+5PF) |
Testing of dielectric loss factor （tgδvalue） |
| Transformer test | Capacity of transformer and no-loan & on-load tester | RDBR-Ⅳ |
Voltage testing: 0~750V；Current Testing: 0~50A Accuracy: voltage, current, frequency: ±0.2% Power: ±0.5%（CosΦ>0.1）， ±1.0%（0.02<CosΦ<0.1） |
Test capacity of transformer, no-load current, no-load loss, on-load loss and impedence voltage |
| Auto ratio & group tester | RDB-Ⅱ |
1～10000；1-12 point； Accuracy：1-1000 0.2 level；1000-10000 0.5 level |
Ratio, group, and polarity test of PT, transformer and electrical machinery | |
| DC resistance quick tester | RDZR |
Maximum testing current: 5A; range: 1μΩ-2kΩ Maximum resolution: 1μΩ； accuracy: ±0.2% |
Test the DC resistance of transformer winding and superpower inductor | |
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Maximum testing current: 10A; range: 1μΩ-20kΩ Maximum resolution: 1μΩ； accuracy: ±0.2% |
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| Transformer on-load switch tester | RDKC-2000 |
Transition resistance maximum range: 50Ω; three phase constant current source charging Accuracy: transition resistance: ±5% reading: ±0.1Ω; Transition time: ±1%reading±1mS |
Testing of performance index of transformer on-load switch | |
| Transformer winding deformation tester | RDRB-Ⅱ |
Sweep frequency testing range: 1k－2MHz Scanning mode: linear distribution Accuracy: no more than 0.01% Frequency point: 1k－2MHz; testing point: 2000 point Testing range: -100dB-20dB |
Testing of permanent deformation phenomenon such as transformer partial deformation, swelling or shifting |
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