Tallinna Elektrotehnika Tehas Estel AS
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- Estel - Model AR-2 Series - Dual ...
Estel - Model AR-2 Series -Dual Channels Rectifier
The AR-2x400x28/48 airport rectifier is intended for supplying on board electrical equipment on aircrafts and helicopters with 28 V DC voltage during pre-flight preparation, and also starting engines in a 24/48 V system. Could be manufactured in a mobile andstationary versions.
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- Adaptable under any type of aircraft
- Smart operational TFT display
- Low noise level
- Heavy duty design
- Designed to comply with RoHS and REACH requirements
- Total harmonic content 2%
- Brand new schematics and technical solutions
- TFT display
- Adaptable under any type of aircraft
- High level of reliability
- Low noise level
- Possibility of modification/adjustment in accordance with the Client’s needs
- Heavy duty design
Number of outputs – 2
Operation mode: 2×28.5 V
- Nominal output voltage: 28 V
- Accuracy of output voltage stabilization: + – 0.85 V
- Nominal current with simultaneous working of both outputs: 400 A
- 60-minute overloading of output with interval minimum of 3 hours (second output current not exceeding 200 A): 630 A
- Short-time overloading of any output for two seconds: 2000 A
- Nominal output power: 24.0 kW
- Maximum power allowance at output: 36.0 kW
- Ripple factor of output voltage: max 7.4 %
- Efficiency: min – 92 %
Operation mode: 24/48 V
- Nominal output voltage with series connection of output: 48 V
- Output voltage range with series connection of outputs: 48-69 V
- Nominal output current: 750 A
- Operation period, 750 A current (from cold state with minimum interval of 15 minutes): up to 5 minutes
- Current imitation: 750 A
- Maximum total permissible output power: 36 kW
Environmental parameters:
- Air temperature, maximum +50 °
- Air temperature, minimum -50 °