NEPTUNE Power System Data Acquisition and Communications Tim McGinnis

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NEPTUNE Power SystemData Acquisition and
CommunicationsTim McGinnis Mike KenneyUW/APL
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Power System Controllers

• Protection
• Current Differential Protection
• Distance Relaying Protection
• Pilot Tone Protection
• Power Monitoring and Control System (PMACS)

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Power Controller Requirements

• Very robust and reliable ( 1 M-hr MTBF)
• Analog inputs for current and voltage sensors
• 2-8 for Protection, 32 for PMACS
• Digital outputs for breakers switches
• Accurate absolute time input
• Processing
• Communications
• Primary Ethernet
• Secondary Serial (RS-232/422/485)
• Upgradeable application code

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