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Генератор A.R.K184G

Альтернатор A.R.K184G – Эффективный промышленный альтернатор для резервного и основного питания

A.R.K184G — высокоэффективный трёхфазный альтернатор, обеспечивающий надёжное электроснабжение при непрерывных и переменных нагрузках.

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Electrical Performance

  • Type: Three-phase, brushless, self-excited synchronous alternator

  • Frequency: 50 / 60 Hz

  • Power Factor: 0.8

  • Voltage Range: 190–480 V (configurable for star, delta, or parallel star)

  • Voltage Regulation: ±1.0%

  • Total Harmonic Distortion (THD): <5% (balanced linear load), <1.5% (no-load)

  • Sustained Short Circuit Current: >300% of rated current

  • Efficiency: Up to 87.5% (depending on voltage and frequency)

  • Telephone Harmonic Factor (THF): <2%

  • Telephone Interference Factor (TIF): <50

  • Excitation System: Self-excited, AVR-controlled

  • AVR Models: SX460 (standard), SX440 / MX341 / MX321 optional (PMG-compatible)

  • Short Circuit Ratio (1/Xd): 6.0 typical

Reactances (Per Unit, Saturated)

  • Xd (Synchronous): 1.45–1.94

  • X’d (Transient): 0.166

  • X’’d (Subtransient): 0.10–0.12

  • Xq (Quadrature): 0.73–0.96

  • X’’q (Quadrature Subtransient): 0.17–0.21

  • X₂ (Negative Sequence): 0.13–0.18

  • X₀ (Zero Sequence): 0.06–0.08

  • Leakage Reactance (XL): 0.06–0.08

  • Time Constants:

    • Transient (T’d): 0.024 s

    • Subtransient (T’’d): 0.006 s

    • Armature (Ta): 0.007 s

    • Open Circuit Field (T’do): 0.55 s

Construction & Design

  • Insulation Class: H (125°C rise at 40°C ambient)

  • Protection: IP23 (optional IP44 with 5–10% power derating)

  • Cooling: Self-ventilated air cooling

    • 50 Hz: 0.095 m³/s (200 cfm)

    • 60 Hz: 0.119 m³/s (250 cfm)

  • Frame: Steel structure with cast aluminum front and rear covers

  • Stator: Double-layer winding, 2/3 pitch eliminates triple harmonics

  • Rotor: Damped cage rotor, dynamically balanced to BS6861 standards

  • Bearings:

    • Drive End: 6309-2RS (ISO, sealed-for-life ball bearing)

    • Non-Drive End: 6306-2RS (ISO, sealed-for-life ball bearing)

  • Overspeed Capability: 120% of rated speed (2250 rpm)

  • Leads: 12 reconnectable leads (star, delta, or parallel star)

  • Stator Resistance: 0.214 Ω/phase (22°C, star connection)

  • Rotor Resistance: 0.93 Ω (22°C)

  • Rotor Inertia (WR²): 0.22 kg·m²

Dimensions & Weight

  • Rotor Weight: 55.98 kg

  • Stator Weight: 64.3 kg

  • Complete Alternator Weight: 167–170 kg

  • Shipping Weight: 172–180 kg (crated)

  • Packing Dimensions: 84 × 59 × 75 cm

Regulation & Control

  • Excitation: Self-excited, AVR-controlled

  • AVR Models: SX460 (standard), SX440 / MX341 / MX321 optional

  • Voltage Regulation Accuracy: ±1.0%

  • Parallel Operation: Supported (AVR-dependent)

  • RFI Suppression: BS EN 61000-6-2 & BS EN 61000-6-4, VDE 0875G/N compliant

  • Standards Compliance: IEC60034, GB755, BS5000, VDE0530, NEMA MG1-22, CSA C22.2-100, AS1359

  • Certification: ISO9001 Quality Management System

Environmental Parameters

  • Operating Temperature: –15°C to +40°C

  • Relative Humidity: Up to 95% (non-condensing)

  • Altitude: Up to 1000 m without derating

  • Cooling Air Requirement: 0.095–0.119 m³/s depending on frequency

  • Noise & Vibration: Balanced per BS6861 mechanical standards

Performance Summary

  • Efficiency Range: 86.4–87.5%

  • Voltage Dip (Transient Load): ≤25% at 0.8 PF

  • Recovery Time: <0.5 seconds

  • Locked Rotor Motor Starting: >300% rated current

  • Applications: Prime power, standby, rental, telecom, mobile, lighting tower, refrigeration, and railway generator systems

Datasheet

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