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TAPGUARD 240
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Calculating all important maintenance criteria
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Signaling the next pending maintenance
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Taking the soot content into account (only OILTAP®)
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Calculating the contact wear (only OILTAP®)
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Showing the lifetime of the vacuum interrupters of existing MR on-load tap-changers (only VACUTAP®)
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Monitoring the on-load tap-changer
• Torque
• Load current
• Temperature
• Diverter switch operation
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Monitoring the motor linkage and the smooth running in the three-column version
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Controlling the motor-drive unit heater
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Motor Current Index
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IEC60870-5-101/103
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DNP3
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MODBUS ASCII/RTU
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Siemens LSA
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IEC61850
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BCD
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Current signal
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Voltage signal
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Resistor contact series
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Resolver
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Cooling system control
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Load current, load voltage
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Ambient temperature
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Tap position (analog, BCD)
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Effective and apparent power
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Aging rate
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Tap-change operation statistics
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Upper oil temperature
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Winding temperature
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Hot spot
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Lower oil temperature
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Winding temperature 1, 2, and 3
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Second ambient temperature
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Oil level of the conservator transformer, OLTC
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Dehydrating breather transformer
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Acquiring DGA sensor information (up to 9 gasses)
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Moisture in oil (transformer, OLTC)
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Total gas content
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Inflow temperature
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Outflow temperature
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Operating statistics
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Efficiency
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Monitoring the cooling system
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Voltage regulation, including line drop compensation
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Parallel mode
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Customer-specific topology
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