KRL-MSD type MV Power Factor Correction System
Single- or three-phase medium-voltage capacitors with flat windings in a steel housing, with porcelain terminals on the roof. Both single-phase and three-phase capacitors are characterized by a low loss coefficient (tgδ) and favorable partial discharge characteristics (high ignition and extinction voltages). These properties are due to the pure film dielectric. MSD's self-healing capacitor manufacturing technology allows the economical production of medium voltage capacitors without the use of flammable and environmentally harmful oil charges. The capacitor is composed of a large number of high-quality self-healing MKP elements, which are connected in stainless steel housing.
KRL-MSD type benefits and field of applictaion
Technical specifications
Technical data:
| Nominal voltage: | 1-22 kV |
| Nominal power: | 25-400 kvar |
| Capacity tolerance: | -5%...+10% |
| Nominal frequency: | 50 or 60 Hz |
| Loss factor: | 50...60 Hz 0,0001.........0,00015 |
| Voltage test: | 2,15xUn, 10 sec. |
| Insulation level: | 28.....50 kV, 50 Hz 1 min./75 kV.....125kV BIL |
| Internal discharge resistor: | to individual order |
| Internal fuse: | to individual order |
Operating conditions:
| Temperature class: | B, C, D |
| Min. ambient temperature: | -20°C |
| Installation: | both indoor and outdoor |
Permissible loads:
| Current: | 1,3xln |
| Voltage: | 1,1xUn - long time, 1,2xUn - few hours |
Capacitor housing:
| Material: | steel housing |
| Painting: | two coats (primer+top coat) |
| Fixing: | with legs, in vertical position |
Exit:
| Insulators: | 2 or 3 lead-throughs soldered or welded to the housing |
Quality control:
| Factory routine test: | voltage test according to IEC 871, discharge resistance check, loss factor check, capacitance measurement |
Structural design:
- Flat windings in a steel housing, with porcelain leads on cover
- Windings armed with aluminum foil, dielectric of multilayer biaxially oriented polypropylene film
- The capacitor leads are soldered or welded to the housing (hermetically)
- Output: single or three-phase
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