Application
and construction
The
capacitors are designed for power factor correction and harmonice filtration
at medium voltage. They are all-film dielectric impregnated with an
environmentally friendly, mon-toxic biodegradable
insulating oil.
The capacitors are internally fused,have internal discharge resistors
and comply fully with IEC 871.
Single and three phase configurations are available. The former is available
with either two bushings or connected with a single bushingand live
case.
- Impregnant
is free from PCBS and is completely non-toxic.It is very stable over
a wide operating temparature range.
- Can
be supplied without internal fuses if required.
- Custom
designs and non standard operating voltages available.
- Low
voltage pressure switch option.
- Terminal
covers available.
- Paint
finish.
- Stainless
steel cases available for outdoor use.
- Max
torque - hollow studs M12-8 Nm.
- Max
torque - earth connection M10 - 7Nm.
Technical
data
| Rated
voltage: UN |
Three-phase
1-24 kV 25 … 800 kvar
Single-phase 1-12 kV 25 … 700 kvar |
| Frequency:
fN |
50/60
Hz |
| Standards:
|
IEC
60871-1: 1997 EN 60871-1: 1997 EN SN 60871-1; 1999
IEC 60871-4: 1997 EN 60871-4: 1997 EN SN 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.
200 x IN |
| Dielectric
losses: tan |
cca
0,07 W/kvar |
| Capacitor
losses: tan |
cca
0,15 W/kvar |
| Statistical
life expectancy: |
>
100 000 hours |
| Degree
of protection: |
IP
00, on request IP 42, indoor and outdoor |
| Ambient
temperature category: |
-40
°C/ D - maximum is 50 °C
- 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: |
1
000 m above sea level |
| Mounting
position: |
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 |
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