| Application: | Power, Electronic, Instrument, Lighting, Rectifier, Audio |
|---|---|
| Phase: | Three |
| Core: | Ei Transformer |
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| No. | Parameter | Measured Terminal | Measured Value | Test Condition | Test Equipment |
| 1 | No Load Voltage | a-b-c | 400V+/-3% | A-B-C input 400Vac | FLUKE 337 |
| 2 | Load Voltage | a-b-c | 400V+/-5% | A-B-C input 401Vac, with 265KVA impedence load | FLUKE 337 |
| 3 | Rated Current | Input 382.5A, output 382.5A | |||
| 4 | Working Frequency | 50Hz/60Hz | |||
| 5 | Rated Power | 265KVA | |||
| 6 | Insulating Resistance | P-S P/S-E S01-P/S P-S P/S-E S01-P/S |
>100MΩ | 1000VDC | 9072A |
| 7 | Dielectric Strength | P-S P/S-E S01-P/S | <20mA without break down | 3000VAC/1min | 9072A |
| 8 | Temperature Rise | Hottest point of coil | <125K | Full load, AF (>2m/s) | |
| 9 | Total Losses | <6600W | |||
| 10 | Equivalance Inductance | 0.4mH+/-10% | |||
| 11 | Insulation Grade | H | |||
| 12 | Efficiency | >97.5% | |||
| 13 | Noise | <70dB 1 meter distance from transformer | |||
| 14 | Executive Standard | IEC 60076-11 GB1094.11 | |||
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