7.637KV High Voltage Shunt Capacitor 484kVar - Power Capacitor - Capacitor Bank
1.Overview of 7.637KV High Voltage Shunt Capacitor 484kVar - Power Capacitor - Capacitor Bank
- Capacitor made of case and pack, case is constructed of welding thick steel sheet. Outgoing porcelain bushing is welded and passed through top cover of capacitor, two sides of case provided with two lifting brackets, one of lifting bracket assembled with earthing bolt.
- Capacitor pack has several elements and insulated parts. It uses Polypropylene film as dielectric and Al foil as polar plate.
- In order to work in different voltage rating, the elements in pack are connected in series or parallel. As required, the discharging resistance can be built-in.
2. Function of 7.637KV High Voltage Shunt Capacitor 484kvar - Power Capacitor - Capacitor Bank
Medium voltage shunt capacitor/High voltage shunt capacitor are suitable for 50Hz or 60Hz AC power systems to improve the power factor of the power system, reduce line losses, improve the quality of the power supply voltage, and increase the active output of the transformer.
| Rated voltage | 7.637KV |
| Rated frequency | 50Hz |
| Rated Capacity | 484 kvar |
| Insulation level | 38/125kV |
| Protection method | NO Internal fuse |
| Number of phases | Single-phase |
| Capacitance deviation | -3%～+5% |
| Package | Export packing |
| Loss tangent value (tanδ) | ≤0.0002 |
| Discharge resistance | The capacitor is equipped with a discharging resistor. After being disconnected from the grid, the voltage on the terminal can drop below 50V within 5 minutes |
3. Main features of 7.637KV High Voltage Shunt Capacitor 484kvar - Power Capacitor - Capacitor Bank
- 3.1 Casing: Cold-pressed, anti-fouling type casing is adopted, and the creepage distance is not less than 31mm/kV.
- 3.2 Mature internal fuse technology.
- 3.2.1 After testing, the internal fuse can isolate the faulty component within 0.2ms, the release energy of the fault point is not more than 0.3kJ, and the remaining intact components are not affected.
- 3.2.2 Advanced concealed internal fuse structure, using oil gap arc extinguishing, reducing the possibility of blasting the capacitor case.
- 3.2.3 The internal fuse protection and relay protection have perfect coordination standards to ensure the safe and reliable operation of the entire device.
- 3.3 Liquid medium: 100% insulation oil (NO PCB) is used. This liquid has excellent low temperature performance and partial discharge performance.
- 3.4 The main insulation adopts a composite insulation structure, which not only guarantees excellent electrical performance, but also has a certain degree of mechanical strength, which ensures that the insulation of the capacitor complete set of devices is 100% reliable without protection.
4. Applicable standard of 7.637KV High Voltage Shunt Capacitor 484kvar - Power Capacitor - Capacitor Bank
IEC60871 and equivalent standard
5.Conditions of Use
Altitude:Less 1000m;Ambicnt Temperature:-40℃ to 40℃.
No violcnt mcchanical vibration, no harmful gas and vapor ,no electric,and cxplosive dust in location.
Power capacitor will work in the good ventilate condition, it would not permit to work in sealing and no ventilate condition.
Power capacitor connection wire should take soft conductive wire, the whole circuit connect well.
