HELMKE AW900R8X4KD Apparecchiature energetiche

Manufacturer:

Model:

Power: 12,000.00 kW

Voltage: 10,000.00 V Y

Speed: 1,500.00 rpm

Rated motor current: 788 A

Rated frequency: 50 Hz

Rated motor speed: 1,494 rpm

Power factor (cos φ): 0.88 (50%), 0.90 (75%), 0.85 (100%)

- Efficiency (EN 60034-2-1:2008):
- 50%: 96.8%
- 75%: 97.4%
- 100%: 97.2%

Starting/Rated current (Ia/In): 5.0

Starting/Rated torque (Ma/Mn): 1.9

Breakdown/Rated torque (Mk/Mn): 2.3

Mechanical Data

- Number of poles: 4
- Weight: 29,000 kg
- Frame size: 900
- Type of construction: IM B3/D5
- Housing material: Welded steel
- Terminal box material: Welded steel
- Bearing type: Sleeve bearing with circulating lubrication (both DE and NDE)
- Rotor inertia: 540 kgm²
- Cooling method: IC81W (water cooling)
- Water inlet temperature: 28°C
- Water quantity: approx. 50 m³/h

Including base plates for size adjustment

Environmental and Operating Conditions

- Ambient temperature: -5°C to +40°C
- Max altitude above sea level: 1,000 m
- Degree of protection: IP44
- Duty type: S1 (continuous duty)
- Thermal class: F / ∆T = 80 K

Accessories

- Anti-condensation heater (230 V, 50 Hz)
- 2 double resistance thermometers PT 100 (3- and 4-wire) for sleeve bearings
- 6 slot resistance thermometers PT 100 (without surge arresters)
- Terminal box for starpoint (3 terminals)

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