Medium-voltage instrument transformers
Voltage instrument supporting transformer
VTS 36
Voltage instrument transformers VTS 36 are single-phase transformers isolated with one pole. They are de-signed for the use in the high voltage systems from 15 kV to 38.5 kV. They are designed for measuring and protection of high voltage distributing equipment for indoor design.
The values of secondary voltage are 100/√3, 110/√3, 120/√3, 100/3, 110/3, 120/3 V. The accuracy classes for measuring winding are 0.2, 0.5, 1, 3, for the securing winding are 3P and 6P. The transformers satisfy required accuracy class at intervals from 25% to 100% of rated load.
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Description
Voltage instrument transformers VTS 36 are single-phase transformers isolated with one pole. They are de-signed for the use in the high voltage systems from 15 kV to 38.5 kV. They are designed for measuring and protection of high voltage distributing equipment for indoor design.
The values of secondary voltage are 100/√3, 110/√3, 120/√3, 100/3, 110/3, 120/3 V. The accuracy classes for measuring winding are 0.2, 0.5, 1, 3, for the securing winding are 3P and 6P. The transformers satisfy required accuracy class at intervals from 25% to 100% of rated load.
Transformers are fixed by the means of four screws M12 in the holes in the basic plate. We recommend use terminal ends corresponding to the used cross-section of the conductor for attaching to the secondary outlets.
The secondary terminal plate is provided with the cover with sealing screw. Inside, there is the set with jumpers and small screws for the possibility of earth connection and short circuiting of the wiring. (See ‘The Instructions for the operation and mounting”).
Voltage instrument transformers VTS 36P complied with all the tests according to IEC EN 61869-3 .
It is possible to consult other technical parameters with the producer.
This transformer is not designed as a self-locking one. To protect the appliance from destruction due to non-standard effects such as overvoltage, ferroresonance, transients etc., the transformer must be equipped with suitable transformer protection.
For more information about non-standard effects and protection please visit our website www.kpbintra.cz under “support” section.
Parameters
- Highest voltage for equipment: 36/38.5 kV
- Power frequency test voltage: 70/80 kV
- Lightning impulse test voltage: 170/180 kV
- Nominal primary voltage: 15000/√3 – 35000/√3 V
- Nominal secondary voltage: 100/√3, 110/√3, 120/√3 V
- Nominal auxiliary voltage: 100/3, 110/3, 120/3 V
- Accuracy class – measurement: 0.2, 0.5, 1, 3
- Accuracy class – protection: 3Р, 6Р
- Nominal power: 5 – 150 VA
- Max power: this information will only be provided at the customer's request
- Nominal frequency: 50 Hz
- Weight: 50 kg
- Thermal insulation class: E
- Operation conditions: -5/40 dle ČSN EN 61869-1
- Standard: ČSN EN 60044-2, IEC EN 60044-2, ČSN EN 61869-1, ČSN EN 61869-3, IE
Attached files
Drawing
