ATG 2 Burn down transformer
The ATG 2 burn down transformer is used for the impedance reduction of cable faults in low and medium-voltage networks. This converts high-resistive, difficult to locate and intermittent faults to low-resistive faults that are easy to locate with the Time Domain Reflectometry method.
Manufacturer: BAUR (Austria).
Description
The short-circuit proof 2300 VA stray field transformer delivers a maximum voltage of DC 10 kV and is contained in a fully enclosed 19” housing. The output voltage can be changed across 6 levels that can be switched to even under load. This allows the output voltage to be adjusted to the respective cable faults. In addition, current and voltage can be limited independently of each other on each level by using potentiometers.
An external ohmmeter that can be connected to the ATG 2 allows you to determine the fault resistance after a burn process and to evaluate whether additional burning is required.
Features
- Burning voltage up to DC 10 kV
- Output current up to 32 Arms
- Maximum input power 2300 VA
- Optimum adjustment of the output voltage over 6 voltage levels
- AC voltage level for low-voltage networks
- Automatic switch-off on temperature rise
- Acoustic alarm on temperature rise
- Automatic discharge unit
- Switch-on interlock for high voltage
- Safety control unit according to DIN EN 50191
- Connection socket for external emergency stop unit with signal lamps
- Connection option for external ohmmeter
- As a stand-alone version or built-in module in BAUR cable fault location systems
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Output current AC
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32 Arms at AC 60 V
8.5 Arms at AC 230 V
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Output current DC
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2.0 A at DC 800 V
0.6 A at DC 2.6 kV
0.24 A at DC 6.4 kV
0.16 A at DC 10 kV
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Load capacity
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max. 10 μF
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Output voltage DC
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max. 10 kV
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Internal discharging resistance
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100 kOhm
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Power supply
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200 – 253 V, 50/60 Hz
100 – 130 V, 50/60 Hz (optional with external autotransformer)
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Max. power consumption
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2300 VA (in short-circuit)
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Ambient temperature (operational)
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-20 to +55 °C
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Storage temperature
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-30 to +70 °C
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Dimensions (W x H x D)
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502 x 255 x 390 mm
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Weight
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approx. 41 kg
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Standard accessories:
- ATG 2
- HV connection cable, 3 m, fix mounted
- Mains supply cord, 2.5 m
- Earth cable, 3 m, with earthing clamp
- User manual
Optional accessories:
- Hinged stand, height 5 RU (222 mm), for 19” unit
- Discharge and earth rod GDR 40-250
- Remote emergency stop unit with signal lamps, incl. connection cable, 25 m
- Remote emergency stop unit with signal lamps, incl. connection cable, 50 m
- Auto transformer external, 110/230 V; 3.0 kVA
