General
Farady FDWK type line reactive power automatic compensation series device is used for 6kV~33kV lines. It uses microcomputer technology & Vacuum contactor t o automatic control by switching on & off shunt capacitor banks according to the parameters of voltage, time, power factor and reactive power to improve line power factor, reduce line consumption and improve voltage quality.
Product standard
IEC 60871-1 - Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V – Part 1: General
IEC62271-106-Alternating current contactors and contactor-based motor-starters
IEC62271-109-Series capacitor by-pass switches
IEC 61954:2017-Static var compensators (SVC) - Testing of thyristor valves
1303-1994 - IEEE Guide for Static Var Compensator Field Tests
IEC 60871-2 - Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V – Part 2: Endurance testing
IEC 60871-3 - Shunt capacitors for AC power systems having a rated voltage above 1 000 V – Part 3: Protection of shunt capacitors and shunt capacitor banks
IEC 60110-1 - Power Capacitors for Induction Heating Installations - Part 1: General
IEC 60143-2 - Series capacitors for power systems – Part 2: Protective equipment for series capacitor banks
Service conditions
◆ installation location: outdoor, no violent mechanical vibration, no harmful gas and steam, no conductive or explosive dust;
◆ altitude: ≤ 2000m;
◆ ambient temperature: - 25 ℃ ~ + 45 ℃;
◆ wind speed: no more than 34m / S;
◆ seismic intensity: no more than 8 degrees;
◆ relative humidity: daily average not more than 95%, monthly average not more than 90%;
◆ special usage environment, feel free to contact Farady technical dept
Technical data
| Rating Voltage(kV) | 12 | 24 | 36 |
|---|---|---|---|
| Frequency(hz) | 50/60 | 50/60 | 50/60 |
| Compensation capacity(kVAR) | 100/200/300/360/450/600/900/1200 | 100/200/300/360/450/600/900/1200 | 100/200/300/360/450/600/900/1200 |
| Device type | Box type | Box type | Frame type |
| Capacitor switch | Vacuum contactor | Vacuum contactor | Vacuum breaker |
| Working voltage | 0.8-1.2% Ue | 0.8-1.2% Ue | 0.8-1.2% Ue |
| Mechanical life | 100,000 | 100,000 | 100,000 |
| Close Sync time | Less than 3ms | Less than 3ms | Less than 3ms |
| Power frequency voltage withstand(primary) | 42kV/1min | 50 kV/1min | 70 kV/1min |
| Power frequency voltage withstand(secondary) | 2.5kV/1min | 2.5kV/1min | 2.5kV/1min |
| Lightning impulse voltage withstand | 75 kV | 125 kV | 170 kV |
| Voltage measurement precious | 0.5% | 0.5% | 0.5% |
| Currrent measurement precious | 1% | 1% | 1% |
| Protection current precious | 5% | 5% | 5% |
Product Structure
- Lifting lug
- intelligent Capacitor Box
- PT
- Capacitor
- Capacitor
- CT
- Cable bushing