Noc Quiz # 2 (17-07-2020)

15 Questions | Total Attempts: 51

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Noc Quiz # 2 (17-07-2020)

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Questions and Answers
  • 1. 
    If voltages on PV string 1 are zero. What needs to be checked?
    • A. 

      MPPT

    • B. 

      Shade on Panels

    • C. 

      Grid outage

    • D. 

      Cloudy weather

  • 2. 
    Low PV production due to cloud connectivity issue is resolved in software release
    • A. 

      NGM 5.0.8

    • B. 

      Cloud 5.0.9

    • C. 

      Cloud 5.0.2

    • D. 

      NGM 5.0.9

  • 3. 
    Shade on PV string#1 panel#2 causes decrease in
    • A. 

      Voltage in panel 2

    • B. 

      Power in string 1

    • C. 

      Power in panel 2

    • D. 

      Voltage in string 1

  • 4. 
    Critical system in PV Report could have low production due to
    • A. 

      Grid outage during daytime

    • B. 

      Export meter is not installed

    • C. 

      Low load and battery fully charged

    • D. 

      Low load on system

  • 5. 
    Over temperature doesn't occur due to
    • A. 

      MPPT imbalanced

    • B. 

      Clogs in filters

    • C. 

      DB on top of inverter

    • D. 

      Overload on System

  • 6. 
    Alert we receive when the master board goes into hardware fault?
    • A. 

      BMS  Slave Shutdown

    • B. 

      BMS SENSOR FAULT

    • C. 

      BMS master board is in fault

    • D. 

      None

  • 7. 
    Alert we receive when the master board goes into shutdown?
    • A. 

      NGM NGC communication failure

    • B. 

      BMS Sensor Fault

    • C. 

      Communication failure with BMS

    • D. 

      BMS slave shutdown

  • 8. 
    We cannot send any remote command when BMS is in shutdown because
    • A. 

      BMS is not communicating

    • B. 

      Slave in in fault

    • C. 

      BMS is in shutdown

    • D. 

      NGC is in Shutdown

  • 9. 
    Last step in checking relay sense issue  is
    • A. 

      HTML>battery cabinet>state

    • B. 

      Technical graphs>battery cabinet>Relay

    • C. 

      HTML>Relay>state

    • D. 

      HTML>Relay state>sense

  • 10. 
    We can check NGC temperature from?
    • A. 

      Technical grahs>NGC temperature stats

    • B. 

      HTML view> NGC temperature stats

    • C. 

      Technical Graphs>NGC stats

    • D. 

      None

  • 11. 
    Inverter temperature can be check-in?
    • A. 

      HTML>NGC inverter logs

    • B. 

      HTML>Inverter logs

    • C. 

      HTML>inverter temp logs

    • D. 

      HTML>Temperature logs

  • 12. 
    Battery Over Discharge alert generated when?
    • A. 

      Load is greater than the battery capacity

    • B. 

      Load is less than the battery capacity

    • C. 

      Load is by passed

    • D. 

      All of the above

  • 13. 
    BMS overcharging threshold at which battery cabinet opens its BMS relay.
    • A. 

      2.73V

    • B. 

      3.6V

    • C. 

      3.65V

    • D. 

      4V

  • 14. 
    Maximum battery discharge current in 10 KWh backup?
    • A. 

      54 Amps

    • B. 

      90 Amps

    • C. 

      150 Amps

    • D. 

      None

  • 15. 
    Consider the grid and PV are not present. Load of 5 kW is running on 10KWH battery backup. The batteries discharging current will be?
    • A. 

      200 Amps

    • B. 

      100 Amps

    • C. 

      500 Amps

    • D. 

      150 Amps

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