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Voltage Detection System (VDS) |
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| 1)
Capacitive Insulator The capacitive insulator serves as a voltage detector in a Voltage Detection System. Together with the balancing capacitor, the capacitive insulator constitutes a capacitative voltage divider. The capacitive insulator is designed in a similar way as the common insulators. Both types are exchangeable. rated voltage 10 kV order-No. 38.10.01 rated voltage 20 kV order-No. 38.11.01 |
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| 2)
Connecting Cables The connection cable between the insulator and the capacitive voltage ledge is a screened cable. The screened cable is connected to the insulator with a M6 screw terminal and to the capacitive voltage ledge with a flat plug 6.3 x 0.8 mm. The screen of the cable is earthed. cable length: 3000 mm order-No: 38.06.01-...* cable length: 6000 mm order-No: 38.06.02-...* |
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| 3)
Capacitve voltage ledge The capacitve voltage ledges are manufactured according to the conditions of IEC 61243-5 (VDE0682 part 415). There are two versions available. a) Capacitive voltage ledge type KSO This ledge consists of a housing with 3 measuring points for conductor 1, 2 and 3. This ledge is equipped with the complete measuring circuit. A plug-in reading instrument indicates the voltage. b) Capacitive voltage ledge type KSG Additionally to 3 measuring points, 3 voltage indicators are installed into this ledge. In case there is no need for voltage indication, the measuring points are earthed through a short circuit plug. The ledge consists of a plug-in housing with the dimension (W*H*D) 124*32*23 mm. The panel cut-out has to be designed according to sheet 38.0530.01. The housing is fixed with two screws on the front side of the housing. |
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| 4) Plug-In
Voltage Indicator To detect the voltage situation of each core, the voltage indicator is plugged into the appropriate measuring socket of the ledge. Existing voltage is indicated through a flashing glowlamp. The voltage indicator works without any power supply. |
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| 5)
Technical Data Conditions for the port: HR – System rated frequency: 50 Hz Operatingvoltage measuring point: 70 to 90 V AC current output: 2.5 µA indication: flashing glowlamp protection: IP67 max. temperature range: -250 to + 650 C 4) Plug-In Voltage Indicator To detect the voltage situation of each core, the voltage indicator is plugged into the appropriate measuring socket of the ledge. Existing voltage is indicated through a flashing glowlamp. The voltage indicator works without any power supply. |
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