electric power compact transformer distribution substation
Main function and application place:
Suitable for long time outdoor use with guarantee of antisepsis,water proof, and dust proof
The cabinet style transformer substation is a power distribution device composed of 3parts : high voltage switchgear, power transformer,low voltage switchgear.
compared with civil work style, it had advantage: great flexibility, small volume, small room occupation, low cost, rapid construction, high reliabilitiy, much more beautiful appearance.
widely used in urban power networkreconstruction, tall building, residential communities, industrial parks, commercial centers, airport, station and ports, schools, factories, etc
Product characteristic
substation cabinets seperated into stell body and aluminum alloy body.framework is connected with bolt and welded with shaped steel.
The base plate is welded with channel stell thus has a strong overal intensity.
the door and outside surface are made of steel plate, composite board or aluminum alloy, processed with embalmment
many shaped for differenct occasion choice.
adopt ventilation, heat insulation, dust filtration system
possible to add rom temperature monitor and condesation prevention devices if need.
Posses sound monitor, control and protection methods, can used in match with FTU system, also meet the requirement of automatic management of distribution network system.
with excellent performance transformer: transformer adopts D, yn11 connection style, high quality voltage, good waveform
Can operate stably under three phase unbalanced load
| item | unit | high voltage side | transformer | low voltage side |
| rated voltage | KV | 12 | 12/0.4 | 0.4 |
| rated capacity | KVA | 50-1250 | ||
| rated current | KA | 200-630 | 100-2500 | |
| rated short circuit drop out current | KA | 20-31.5 | ||
| rated short circuit shut down current | KA | 50-80 | ||
| earth looop peak value withstand current | KA | 40 | ||
| earth loop short time withstand current | KA/S | 16/2 | 16/1 | |
| 1min power frequency withstand voltage | KV | 42 | 35 | 2.5 |
| lighting impulse withstand voltage | KV | 75 | 75 | 9.8 |
| degree of protection for shell | IP33 | IP33 | IP33 |
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China