S&C PureWave Operation And Maintenance
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S&C PureWave Operation And Maintenance

S&C PureWave Operation And Maintenance

Ups system 250 kw - 2 mw 313 kva - 2.5 mva 208 - 600 volts
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S&C PureWave
UPS System
®
250 kW - 2 MW (313 kVA - 2.5 MVA)
208 - 600 Volts

Table of Contents

Section
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty Qualifications . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Understanding Safety-Alert Messages . . . . . . . . . . . . . . 3
Following Safety Instructions . . . . . . . . . . . . . . . . . . . . . 3
Replacement Instructions and Labels . . . . . . . . . . . . . . . 3
Hazardous Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Location of Safety Labels . . . . . . . . . . . . . . . . . . . . . . . . 4
Insulated Hand Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Emergency Procedures and Equipment . . . . . . . . . . . . 10
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Air Control and Ventilation . . . . . . . . . . . . . . . . . . . . . . . 16
Operating Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Monitoring Computer . . . . . . . . . . . . . . . . . . . . . . . . . . 17
October 9, 2017
© S&C Electric Company 2017, all rights reserved
Operation and Maintenance
Page
Section
System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Operating States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Transition States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Remote Disable (Optional) . . . . . . . . . . . . . . . . . . . . . . 19
Operating Modes and Procedures . . . . . . . . . . . . . . . . 20
Maintenance Bypass Procedure . . . . . . . . . . . . . . . 20
to the Ready State . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Battery Charging Modes . . . . . . . . . . . . . . . . . . . . . 21
Generator Interface . . . . . . . . . . . . . . . . . . . . . . . . . 21
Alarms List and Troubleshooting Tips . . . . . . . . . . . . . . 22
Warning Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Inhibit Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Bypass Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Bypass Isolate Alarms . . . . . . . . . . . . . . . . . . . . . . . 26
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Monitoring Software Security . . . . . . . . . . . . . . . . . . . . 27
Monitoring Software . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Displayed Parameters . . . . . . . . . . . . . . . . . . . . . . . 29
Status Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Quarterly Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 31
Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Instruction Sheet 653-506
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Summary of Contents for S&C PureWave

  • Page 1: Table Of Contents

    Maintenance Bypass Procedure . . . . . . . . . . . . . . . 20 Safety Information Returning the PureWave UPS System Understanding Safety-Alert Messages . . . . . . . . . . . . . . 3 to the Ready State .

  • Page 2: Introduction

    Designate a location where Instruction Sheet you can easily retrieve all information and refer to it. S&C PureWave UPS System and battery instruction sheets must be available to all operators and other employees. If doors to the electrical controllers or panels to the system enclosure must be opened, refer to the instruction sheet for procedures for guarding against electric shock.

  • Page 3: Safety Information

    S&C Authorized Distributor, S&C Headquarters, or S&C Electric Canada Ltd. Hazardous Voltages DANGER Potentially lethal voltages are present inside the PureWave UPS System . Dc voltage is present even without utility power connected . Hazardous voltages should also be expected in all interconnecting components and lines .

  • Page 4: Location Of Safety Labels

    Safety Information Location of Safety Labels NOTICE For safety labels, contact S&C Electric Company for the following: • Exact location of the standard safety labels • Project-specific safety labels • Instructions on how to replace labels (reference the label part numbers as shown below) Front of the Enclosure Reorder Information for Safety Labels Location...
  • Page 5 Safety Information Inside of Doors Ac-filter capacitor Battery bay door. Power conversion Control bay Control bay section door. module section left door. right door. door. Rear of the Enclosure S&C Instruction Sheet 653-506...
  • Page 6 Safety Information Front of the power electronic switch enclosure PureWave UPS System 58 inc h Flash Haz ard Boundry 6 .7 cal/cm Flash Hazard at 18 inch es Cat 2 PPE Level. FR S HIRT & PANTS & COTTON UNDE RWE AR...
  • Page 7 Safety Information 58 inc h Flash HazardBoundry 58 inc h 6 .7 cal/cm Flash Hazard at 18 inch es Flash Haz ard Boundry 6 .7 cal/cm Flash Haz ard at 18 inches Cat 2 PPE L evel. FR SHIRT & P ANTS Cat 2 PPE Level.
  • Page 8 600 VAC FNQ-R-30 PE-702139 Left side of the power electronic switch enclosure (with door open) Rear of the power electronic switch enclosure (with doors open) S&C PureWave™ UPS System CATALO G NUMBER SE R IAL NUMBER DATE O F MANUFACTURE...
  • Page 9 Safety Information FRQ -R - 1 FRQ -R - 1 FRQ -R - 1 FUSE INFORMATION WARNING FRQ -R - 1 TO REDUCE THE RISK OF FIRE REPLACE ONLY WITH FRQ -R - 1 F01-F06 = 1A, 600V VAC SAME TYPE AND RATINGS FNQ-R-1 OF FUSES FRQ -R - 1...

  • Page 10: Safety Precautions

    Safety Precautions DANGER The S&C PureWave UPS System operates at high ac and dc voltages. Failure to observe the precautions below will result in serious personal injury or death. Some of these precautions may differ from your company’s operating procedures and rules .

  • Page 11: Components And Controls

    Transformer bay air outlet hoods Transformer bay (rear of enclosure) Battery bay Power control module section Control bay Ac filter capacitor section Figure 1. Location of the bays, sections, and components of a 2.25-MW/2.5-MVA PureWave UPS System enclosure. S&C Instruction Sheet 653-506...
  • Page 12 Transformer bay Transformer bay air inlet hoods Figure 2. Rear view of a PureWave UPS System enclosure, showing the transformer bay air inlet hoods. As shown in Figure 1 on page 11 and in Figure 2, the enclosure consists of the following bays: •...
  • Page 13 Components and Controls NOTICE The battery bay in Figure 3 on page 12 shows the PCM section on the right side and the battery module on the left side of the bay . These are right-hand battery bays . At the rear of the enclosure, the PCM section and battery module configurations are reversed, where the PCM is on the left side and the battery module is on the right side of the bay .

  • Page 14: Power Electronic Switch And Switchgear Enclosure

    The power electronic switch (PES) and switchgear enclosure houses the PES, which is used to switch the source from the utility/generator to the PureWave UPS System and vice versa. The bypass circuitry is also housed in this enclosure, which consists of a source circuit breaker, a load circuit breaker, and a bypass circuit breaker.
  • Page 15 Components and Controls Cooling air inlet Cooling air outlet Figure 7. Power electronic switch (PES) and switchgear enclosure (right side view). Power electronic switch Cooling fans Figure 8. Power electronic switch (PES) and switchgear enclosure (rear view with doors removed). S&C Instruction Sheet 653-506...

  • Page 16: Doors

    PureWave UPS System enclosure. Refer to the maintenance instruction sheet for detailed instructions for proper air ventilation maintenance.

  • Page 17: Operating Controls

    CAUTION Access and operation of the controls should be performed by authorized personnel who have been trained in using and servicing the PureWave UPS System . Failure to do so can result in damage to the equipment . Service operating controls are located on the control panel inside the control bay. The service operating controls are ENABLE/DISABLE, RESET, HVAC TEST, and CPC (connection).

  • Page 18: Operation

    The entire transfer sequence occurs typically within 1 to 4 milliseconds (less than ¼ cycle). An electrically operated bypass circuit breaker permits continued service to the customer from the utility in the event the PureWave UPS System is out of service for maintenance. See Figure 10 for a diagram of the PureWave UPS System.

  • Page 19: Transition States

    Run state. Remote Disable (Optional) If supplied, a normally closed input contact must be provided by the user to the PureWave UPS System. Upon opening of the input contact, the system will go to the Bypass state and an output contact will close to indicate the system has been remotely disabled.

  • Page 20: Operating Modes And Procedures

    The following procedures can be used to operate the PureWave UPS System: WARNING The following procedures should be followed by authorized personnel who are trained in operating the PureWave UPS System . Failure to do so can result in injury or equipment damage . Maintenance Bypass Procedure Use the following procedures to put the PureWave UPS System into the Bypass state: STEP 1.

  • Page 21: Battery Charging Modes

    EVENT 9: The PureWave UPS System will go into the Run state while the transfer switch returns the critical load to the utility. If the load is at 50% or less of the PureWave UPS System rating, the system will wait for 10 seconds before actuating the transfer signal.

  • Page 22: Alarms List And Troubleshooting Tips

    Operation Alarms List and Troubleshooting Tips The PureWave UPS System contains an extensive self-diagnosis system. If any abnormal condition occurs or if the system cannot protect the load from a disturbance, the system will activate an alarm. The alarms can be categorized by alarm type. Alarm types are categorized as Warning, Inhibit, Bypass, and Bypass Isolate.
  • Page 23 Operation Table 3. Warning alarms—continued. Warning Alarms Description Module Fault Indicates a power module has a condition that renders it unavailable to operate Troubleshooting Tip: A module fault could be an effect and not a cause in most events . Rule out all other causes of the alarm .
  • Page 24 Operation Table 3. Warning alarms—continued. Warning Alarms Description Utility Over Freq Indicates the system is sensing a utility frequency greater than 1 Hz above the nominal frequency Troubleshooting Tip: The system will respond based on the over-frequency settings . The frequency threshold can be changed if desired .

  • Page 25: Inhibit Alarms

    Indicates the load current has exceeded 115% of the current rating of the system Troubleshooting Tip : Check the load against what the PureWave UPS System was sized for . Load Over Power Indicates the load power has exceeded 115% of the...

  • Page 26: Bypass Isolate Alarms

    Operation Bypass Isolate Alarms A Bypass Isolate alarm indicates a condition that requires attention and places the system in the Bypass Isolate state. The system is not available to protect the load from a power disturbance. See Table 6 for the listed bypass isolate alarms. Table 6.

  • Page 27: Monitoring

    Monitoring Overview The PureWave UPS System can be monitored in two ways. The system can be monitored through a computer via a local connection and remotely accessed using an Ethernet connection. Monitoring Software Security The monitoring software can only be accessed by users with the appropriate security clearance.
  • Page 28 Monitoring For power flow, a gray line indicates the power is not flowing through the line. A red line indicates that power is flowing through the line. At the top-left of the screen are icons that help the user navigate through the monitoring program.

  • Page 29: Displayed Parameters

    Figure 13. Displayed parameters on the System One-Line screen. Status Screen The Status screen shows all the alarms for the PureWave UPS System and displays the active alarms using color indicators. In addition, the screen shows the current, voltage, and other parameters of the system, as displayed in Figure 14.

  • Page 30: Maintenance

    The following checklist provides the inspection activities to be performed on an annual basis for the PureWave UPS System. The amount of dust and dirt varies from site to site. Therefore, schedules for maintenance should be reviewed by the user based on the given site conditions and, if required, the frequency of the recommended maintenance may be increased to ensure the reliability of their PureWave UPS System.

  • Page 31: Quarterly Maintenance

    Coordinate with the site facilitator to obtain keys for locks (if applicable) to unlock the doors to the PureWave UPS System enclosure(s). q Confirm with the site facilitator that the PureWave UPS System is de-energized prior to conducting maintenance on the system.
  • Page 32 Maintenance DANGER The PureWave UPS System must be disabled, placed in the Bypass Isolate state, and be de-energized before performing maintenance on the equipment . Failure to do so can result in serious injury or even death . Maintenance should only be conducted by S&C Electric Company personnel or personnel who are properly trained by S&C Electric Company.
  • Page 33 Maintenance Follow these steps for each PureWave UPS System enclosure battery bay: q Enclosure #: _______________ Battery Bay #: _______________ q Inspect the top and bottom hydrogen vents located along the inside wall of the bay. Clean any debris or obstructions that can restrict air flow. See Figure 15 for the location of the hydrogen vents.
  • Page 34 Maintenance Follow these steps for each PureWave UPS System enclosure control bay: q Enclosure #: _______________ q Inspect the general interior of the bay and verify the bay is clean. Use a vacuum cleaner to perform general cleaning, if necessary.
  • Page 35 Perform general housekeeping, making sure there is no garbage or debris in or around each system enclosure and the PES and switchgear enclosure. q Bring the PureWave UPS System back online. q Record the system state: _______________________ q Close and lock all the enclosure doors and return site keys to the facility supervisor (if applicable).

  • Page 36: Annual Maintenance

    Maintenance Annual Maintenance DANGER The PureWave UPS System must be disabled, placed in the Bypass Isolate state, and be de-energized before performing maintenance on the equipment . Failure to do so can result in serious injury or even death .
  • Page 37 Maintenance DANGER The PureWave UPS System must be disabled, placed in the Bypass Isolate state, and be de-energized before performing maintenance on the equipment . Failure to do so can result in serious injury or even death . Maintenance should only be conducted by S&C Electric Company personnel or personnel who are properly trained by S&C Electric Company.
  • Page 38 Maintenance Follow these steps for each PureWave UPS System enclosure battery bay: q Enclosure #: _______________ Battery Bay #: _______________ q Inspect the top and bottom hydrogen vents located along the inside wall of the bay. Clean any debris or obstructions that can restrict air flow. See Figure 18 for the location of the hydrogen vents.
  • Page 39 Maintenance Follow these steps for each PureWave UPS System enclosure transformer bay: q Enclosure #: _______________ q De-energize and apply the lockout/tagout procedure to the transformer. q Apply the safety grounds to the transformer. CAUTION Do not use liquid cleaners when cleaning inside the transformer bay . The chemicals may damage the insulating materials .
  • Page 40 Maintenance Follow these steps for the power electronic switch and switchgear enclosure: q Decouple the input and output operators. q Use the key-flow procedure (if applicable) to ground the PES. q Visually inspect the outside of the enclosure for signs of deterioration or rust. q Rust found? YES or NO (circle one) q If yes, clean the rust and paint using the correct paint color for the enclosure.
  • Page 41 . WARNING The following procedures require the PureWave UPS System to have utility power . The system should be placed in the Bypass Isolate state prior to conducting the proceeding equipment testing procedures . Failure to do so can result in personal injury or equipment damage .
  • Page 42 . Overheating of the batteries could void any warranty because of lack of proper maintenance of the PureWave UPS System enclosure . Contact S&C Electric Company if air conditioner malfunction is suspected .

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