fully-closed dry discharge coil
This type of discharge coil is epoxy resin vacuum casting single phase.idoor fully encapsulated type product. It is applicable to be used for the power system with AC frequency 50Hz and rated voltage lOkV and below. It is connected with high voltage parallel connection capacitor group.
General:
When capacitor group cuts off from the system, it can take only five second to reduce the residual voltage of the capacitor group to safe voltage. When operating is normal, the secondary winding is used as voltage indicator. If users have special requirements, it can have relay protection action with residual voltage winding.
Technical Data
The performance of products is conformed to IEC61869-1:2007, IEC61869-2:2012 commission requirements
Rated insulation level: 12/42/75kV
Power factor of load: COSΦ=0.8
Rated frequency: 50Hz, 60Hz
Rated secondary current: 5A or 1A
Type | Rated voltage ratio（k V） | Rated secondary output（VA） | Discharge capacity(Mvar) | Rated insulation level(kV) | |||
0.2 | 0.5 | 1 | 6P | ||||
FDGE8/6.6/√3-1.7-1
FDGE8/7.2/√3-1.7-1 FDGE8/11/√3-1.7-1 FDGE8/11/√3-2.5-1 FDGE8/6.6/√3-3.4-1 FDGE8/12/√3-1.7-1 FDGE8/12/√3-2.5-1 FDGE8/12/√3-3.4-1 | 6.6/√3/0.1 6.6/√3/0.1/0.1/3 7.2/√3/0.1 7.2/√3/0.1/0.1/3
11/√3/0.1 11/√3/0.1/0.1/3
12/√3/0.1 12/√3/0.1/0.1/3 | 20 | 50 | 100 | 100 |
1.7
1.7 1.7 2.5 3.4 1.7 2.5 3.4 |
7.2/32/60
12/42/75
12/42/75 |
Drawing
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