3.81KV High Voltage Shunt Capacitor 283.3kVar - Power Capacitor - Capacitor Bank
1. Overview of 3.81KV High Voltage Shunt Capacitor283.3kvar - Power Capacitor - Capacitor Bank
The shunt capacitor is composed of a pack, a case, an outlet porcelain busing, etc. The two sides of stainless steel case are welded with hanging brackets for installation, and one hanging bracket is equipped with a grounding bolt. In order to adapt to various voltages, the pack is composed of several small elements connected in parallel and series. The capacitor is equipped with a discharge resistor.

2. Function of 3.81KV High Voltage Shunt Capacitor283.3kvar - 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 | 3.81KV |
Rated frequency | 50Hz |
Rated Capacity | 283.3kvar |
Insulation level | 16/45kV |
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 3.81KV High Voltage Shunt Capacitor283.3kvar - Power Capacitor - Capacitor Bank
- Shunt power capacitors are mainly used to improve the power factor of 50Hz power system.
- Unless otherwise stipulated in plateau type products, the installation location is less than 1000m above sea level, and the ambient air temperature category is (-40 ~ 45) ℃.
- Long-term operation is allowed under 1.1Un, and it can run under 1.15Un for up to 30min every 24h.
- Capacitance deviation not exceeding (-5% ~ 10%) Cn.
- The tangent value of dielectric loss angle is tg δ ≤ 0.0005 for full-film dielectric capacitor and tg δ ≤ 0.0008 for film-paper composite dielectric capacitor.
- Capacitor products are divided into single phase, Δ (triangle), Y (star), Y- (star, neutral point extraction) and III (three segments, not connected) and other forms.
- Capacitor indoor and outdoor type, and suitable for warm and hot zone, plateau, stains and other areas for various special use of the product models.
- The products conform to GB/T1124.1-2001, and the plateau products conform to GB6915-86 corresponding environmental and climatic standards.
