Special power supply for field overhaul operations of Sinopec and PetroChina (referred to as overhaul power supply) is used for the safe use of electricity in production and daily life at oil production overhaul sites. Adopting dry-type isolation transformers and microcomputer real-time online insulation monitoring, branch monitoring, and branch control technology to prevent large-scale power outages. Has a high level of protection and capability.
Technical Specifications:
| Model
| DYFB-1140V/380V-67KVA-12 |
| Rated power
| 100A |
| Input voltage
| AC380V |
| Output voltage
| Three phase five wire AC380V，single-phase AC220V |
| Leakage action time
| ≤0.1S |
| Leakage circuit breaker resistor
| ≤0.2MΩ |
| Ambient temperature
| -15℃～50℃ |
| Altitude
| ≤2000m |
| Dielectric strength
| The 1000V megohmmeter measures not less than 2M Ω
|
| Detecting ground leakage current
| AC0.04-0.12mA |
| Alarm sound
| ≤100dB |
| Transformer insulation grade
| H Class
|
| System grounding form
| IT approach
|
| Corrosion resistance grade
| WF1 |
The above and other safety electrical products can be customized according to the actual situation
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