Perfformiad technegol
| Prawf foltedd gwrthsefyll AC | 39kV, 5 munud | 
| Prawf rhyddhau rhannol ar dymheredd ystafell | 15kV | 
| Prawf foltedd byrbwyll | 95℃~100℃, 95kV | 
| Prawf rhyddhau rhannol tymheredd uchel | 95℃~100℃, 15kV | 
| Prawf cylch llwyth pwysau cyson mewn aer | 22kV | 
| Prawf sefydlogrwydd deinamig cylched fer | 85.0kA | 
Crebachu oer craidd sengl 20kVategolion ceblenw cynnyrch a model manyleb
| Math o atodiad | Manyleb y cebl (mm²) | Manyleb a model | |
|    
 
 Cebl craidd sengl  |  Terfynell dan do un craidd | 25-50 | NSY-15/1.1 | 
| 70-120 | NSY-15/1.2 | ||
| 150-240 | NSY-15/1.3 | ||
| 300-400 | NSY-15/1.4 | ||
| 500-630 | NSY-15/1.5 | ||
| Terfynell awyr agored un craidd | 25-50 | WSY-15/1.1 | |
| 70-120 | WSY-15/1.2 | ||
| 150-240 | WSY-15/1.3 | ||
| 300-400 | WSY-15/1.4 | ||
| 500-630 | WSY-15/1.5 | ||
| Cysylltydd canolradd craidd sengl | 25-50 | JSY-15/1.1 | |
| 70-120 | JSY-15/1.2 | ||
| 150-240 | JSY-15/1.3 | ||
| 300-400 | JSY-15/1.4 | ||
| 500-630 | JSY-15/1.5 | ||
|    
 
 Cebl tair craidd  |  Terfynell dan do tair craidd | 25-50 | NSY-15/3.1 | 
| 70-120 | NSY-15/3.2 | ||
| 150-240 | NSY-15/3.3 | ||
| 300-400 | NSY-15/3.4 | ||
| 500-630 | NSY-15/3.5 | ||
| Terfynell awyr agored tair craidd | 25-50 | WSY-15/3.1 | |
| 70-120 | WSY-15/3.2 | ||
| 150-240 | WSY-15/3.3 | ||
| 300-400 | WSY-15/3.4 | ||
| 500-630 | WSY-15/3.5 | ||
| Cysylltydd canol tair craidd | 25-50 | JSY-15/3.1 | |
| 70-120 | JSY-15/3.2 | ||
| 150-240 | JSY-15/3.3 | ||
| 300-400 | JSY-15/3.4 | ||
| 500-630 | JSY-15/3.5 |