Rated voltage: |
|
UN |
|
Three-phase 1-24 kV 25 … 1000 kvar
Single-phase 1-15 kV 25 … 1000 kvar |
Frequency: |
|
fN |
|
50/60 Hz |
Standards: |
|
|
|
IEC 60871-1: 1997 EN 60871-1: 1997 EN ČSN 60871-1; 1999
IEC 60871-4: 1997 EN 60871-4: 1997 EN ČSN 60871-4; 1999 |
Max overvoltage: |
|
Umax |
|
UN + 10 % (up to 8 hours daily)
UN + 15 % (up to 30 minutes daily)
UN + 20 % (up to 5 minutes)
UN + 30 % (up to 1 minute)
|
Overcurrent (according to above standards): |
|
IS |
|
1,3 * IN |
Capacitance tolerance: |
|
|
|
-5 / +10 % |
Test voltage, terminal/terminal: |
|
UTT |
|
2,15 * UN, AC, 10 s or 4,3 * UN DC, 10 s |
Test voltage, terminal / case: |
|
UTC |
|
According to relevant IEC standard for 10 s |
Inrush current: |
|
|
|
Max 300 x IN |
Dielectric losses: |
|
tan δ |
|
cca 0,07 W/kvar |
Statistical life expectancy: |
|
|
|
> 130 000 hours |
Degree of protection: |
|
|
|
IP 00, on request IP 42, indoor and outdoor |
Ambient temperature category: |
|
|
|
-50 °C / C - maximum is 50 °C (higher temp. on request)
- highest mean over any period of 24 h is 40 °C
- highest mean over any period of 1 year is 30 °C |
Cooling: |
|
|
|
naturally air cooled |
Permissible relative humidity: |
|
|
|
IP00-max. 95 %, IP42-max. 95 % |
Max above sea level: |
|
|
|
4 000 m above sea level |
Mounting position: |
|
|
|
vertical |
Mounting: |
|
|
|
Side brackets, bottom brackets |
Case: |
|
|
|
Stainless-steel, for indoor/outdoor installation |
Dielectric: |
|
|
|
All-film |
Impregnant: |
|
|
|
JARYLEC (environmentally friendly, non toxic, non PCB) |
Discharge resistors: |
|
|
|
Included - 75 V, 10 minute |