045-251-3418 
2-55 Miyagawa-cho, Naka-ku, Yokohama-shi，Kanagawa 231-0065
Description
We will make the specifications according to the customer's PV Inverter.
The following two models are Delta Electronics and HUAWEI 50KVA (RPI M50J, SUN2000-50KTL), 63KVA(SUN2000-63KTL-JPH0) is for inverters.
50 kVAfilled with oil変圧器 IPTR440202-980 / IPTR550202-980
Technical specifications
| contents | unit | IPTR440202-980 | IPTR550202-980 |
| Compliance standard | IEC-60076 | IEC-60076 | |
| 定格容量 | kVA | 50 | 50 |
| Temperature rise limit | |||
| a . 油温度 | ℃ | 55 | 55 |
| b . 巻線温度 | ℃ | 65 | 65 |
| 許容最高温度 | ℃ | 105
(環境温度. 40℃) |
105
(環境温度. 40℃) |
| 変圧比 | V. | 440/202 & Yd11 | 550/202 & Yd11 |
| number of phases | 3 | 3 | |
| 定格周波数 | Hz | 50Hz/60Hz | 50Hz/60Hz |
| 無負荷電流 | Amp.% | ≤1.6 | ≤1.6 |
| Power factor (at rated voltage, 50Hz) | 1 | 1 | |
| 負荷鉄損 | kW | 0.13 | 0.13 |
| 負荷銅損 | kW | 0.87 | 0.87 |
| 負荷損 | kW | 1 | 1 |
| Short circuit impedance 75°C | % | ＜2.5 % | ＜2.5 % |
| Efficiency (at rated output 75°C) | % | ≥98% | ≥98% |
| Maximum magnetic flux density under load | |||
| a. コア | Tesla | ≤1.7 | ≤1.7 |
| b. ヨーク | Tesla | ≤1.7 | ≤1.7 |
| 110% maximum magnetic flux density | |||
| a. コア | Tesla | ≤1.87 | ≤1.87 |
| b. ヨーク | Tesla | ≤1.87 | ≤1.87 |
| winding current density | |||
| a. 高圧側 | A/mm² | ≤3.0 | ≤3.0 |
| b. 低圧側 | A/mm² | ≤3.0 | ≤3.0 |
| Insulating material | paper | paper | |
| dielectric strength test | |||
| a. 印加電圧試験 | kV | HV5/LV5 | HV5/LV5 |
| b. 誘起電圧試験 | kV | HV0.8/LV 0.5 | HV1.1/LV 0.404 |
| Iron core type | core | core | |
| 油の重量 | kg | 65 | 65 |
| Weight | kg | 380 | 380 |
| size | |||
| – 高さ | mm | 830 | 830 |
| – 幅 | mm | 830 | 830 |
| – 奥行き | mm | 620 | 620 |
| Accuracy (accuracy class) | 比誤差(%) | ±1% | ±1% |
| 保護等級 | IP | IP66 | IP66 |
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