Digital guide
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Woodward 9907-528
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Product Name: SPM-A Synchronizer Module (9907-028 reference)
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Product Introduction: A synchronizer module designed for generator and bus systems, performing automatic frequency/phase matching for parallel operation.
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Technical Specifications (reference 9907-028):
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Power Supply: 18–32 VDC (typical working range)
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Detailed content
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Synchronization Accuracy: ±0.1 Hz / ±0.1°
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Phase Angle Accuracy: ±10° (synchronous closing window)
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Frequency Range: 50/60 Hz automatic recognition
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Power Consumption: ≤10 W
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Operating Temperature: –20 to 70°C (some variants –45 to +70°C)
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Protection: IP54
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Weight: ~1.1 kg
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Mounting: Panel or DIN rail
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Certifications: CE, UL
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Functional Features: Automatic frequency/phase synchronization; automatic closing control; compatible with Woodward 2301, 2301A, EPG speed controllers; adjustable synchronization dynamics.
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Application Scenarios: Generator-set paralleling, marine power systems, industrial backup power synchronization.
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Installation & Usage Notes: Read the complete SPM-A manual before installation; use shielded wiring for voltage sensing inputs; follow proper grounding practice.
Note: Confirm exact specifications with Woodward, as 9907-528 may be a variant configuration of the SPM-A platform.
