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S&C Instruction Sheet 659-520
Maintenance Completion
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Verify any damaged or inoperable components have been repaired or replaced.
□
Verify all applicable maintenance tasks are complete.
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Verify all tools have been removed from the PCS enclosure.
□
Visually inspect the PureWave SMS-250 to ensure nothing is out of place before
re-energization.
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Replace and secure the dead-front access panels.
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Address and/or report any concerns the site facilitator may have.
Re-energization of the System
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Remove your tag from the ac source.
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Remove the lock from the ac source.
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Remove your tag from the dc source.
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Remove the lock from the dc source.
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Close the ac source to re-energize the PureWave SMS-250 system.
□
Verify the fans start and run for 60 seconds.
• Top screen on the back is the cabinet fan.
• Next two screens down are the main IGBT blowers. Verify air flow on all three
assemblies.
• The fourth screen down is the inductor fan. Verify that it is working properly.
□
Close the dc source to supply dc power to the PureWave SMS-250 system.
□
With the site facilitator's approval, run the PureWave SMS-250 system to verify
proper functionality:
• Connect the laptop computer to the Ethernet connection and start the Human
Machine Interface (HMI) browser.
• Verify that the browser screens are working.
• Toggle the SMS CONTROL switch on the user interface panel to the
SCADA
DISABLE
position.
• Set the HMI power control to the
Commanded Control
setting.
• Set the HMI Power Setpoint to 0.
• Set the HMI VAR Control to the
Commanded Control
setting.
• Set the HMI VARs Setpoint to 0.
• Twist the inverter stop to bring the system to the
Ready
state.
• Command a discharge of 50 kW.
• Verify that the PureWave SMS-250 runs at 50 kW.
• Set the Power Setpoint to 0 to stop the operation.
• Disconnect the laptop computer.
Maintenance
