|
Make and Type |
ENERGI make, outdoor
/ Indoor type |
| Reference
Standard |
IS :
13925 - 1998 with its
latest
amendments
|
| Rated
Capacitor Units |
Upto 400
KVAR
|
| Normal System
Voltage |
1.1, 3.3,
6.6, 11, 22, 33, 66, 110 KV
|
| Rated
Frequency |
50 Hz. |
| Rated current
of each capacitor unit |
As per requirement |
| No. of Phases
and No. of terminals in each unit |
1 or 3 phase, 2 or 3
Terminals |
| No. of
Bushings |
Two or Three |
| Type of
Bushing Terminals |
Porcelain |
| Connection of
capacitor units |
Serial -
Parallel connections of
capacitors units/phase.
|
| Maximum
permissible over voltage |
110% of rated voltage |
| Maximum
permissible current |
130% of
rated voltage
|
| Residual
Voltage |
50 volts or
less within 5 minutes
|
| Discharge time |
Less than 5 minutes |
|
Maximum time
interval required
between de-energisation
and
re-energisation of the bank
|
5 minutes. |
| Limiting
ambient temperature |
50 Degree C as per IS |
|
Voltage
withstand tests
(Capacitor Units)
a. Terminal
to Terminal
50 c/s 1 min.
voltage (D.C.)
b. Terminal
to Case
50 c/s 1 min. |
4.3 times
the rated
28 KV
/ 38 KV (rms) |
| Impulse
withstand voltage |
75 KV / 95 KV (peak) |
| Type of
container |
C.R.C.A Sheet |
| Thickness of
container |
16 (or) 14 SWG |
| Details of
discharge device |
Internally fitted discharge resistors |
| Surface
treatment & painting |
Light
phosphating + prime coating
+
epoxy
grey paint finish |
| |
|
