详情
HAEFELY WA 2293 Automatic Transformer Winding Analyser
The WA 2293 is an automatic winding analyser, optimized for three phase power and distribution transformer measurements.
It uniquely combines winding resistance measurement, turns ratio, dynamic resistance measurement, core demagnetization, transformer type detection, magnetic balance, short circuit impedance and heat run test (temperature rise and cooling curve) in the fastest single instrument solution on the market.
A simple “one-time-connection” system drastically reduces measuring time: once connected all tests can be performed without needing to reconnect
Features
- Transformer winding resistance, turns ratio, dynamic resistance on tap changer, type detection, arbitrary phase ratio measurement, demagnetization, short circuit impedance, magnetic balance and heat run test (heat rise and cooling curve).
- Simple “one-time-connection” system.
- Unique simultaneous winding magnetization method for winding resistance measurements.
- Touch screen interface with full graphical test visualization.
- Dynamic resistance for tap changer diagnosis
- Tap changer control signal (controller – option)
- Advanced procedure for turns ratio and phase displacement measurement
- Demagnetisation function
- Automatic magnetic balance test
- Short circuit impedance test at reduced current
Options - Add on (Software key)
- 2293/SKTTR: 3-phase transformer turns ratio measurement add on application
- 2293/SKAP: Arbitrary phase shift add on application (2293/SKTTR needed)
- 2293/SKTR: Heat rise add on application
- 2293/SKMB: Magnetic balance add on application
- 2293/SKTC: Tap changer dynamic resistance measurement add on application
- 2293/SKSC: Short circuit impedance measurement add on application
Applications
- Factory test, acceptance test and regular maintenance on power and distribution transformer including
- Winding resistance
- Turns ratio
- Magnetic balance
- Short circuit impedance
- Dynamic resistance on tap changer
- Winding resistance measurement during cooling curve
- Temperature measurement during heat run test
Designed by Tettex Instruments
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Malaysia
