Re: [EnergyPlus_Support] Need help for simulating sensor faults in E+

["Jim Dirkes jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>]

I suspect that the output:Variable you chose is taken directly from the weather file.  I suggest that you try the "System Node Temperature" for the outdoor air node name where the error is applied.

On Mon, Dec 5, 2016 at 11:15 AM, Ying Yan ying.yan@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

 

Dear All,

I simulated offset of outdoor air temperature sensor in "FaultModel:TemperatureSensorOffset:OutdoorAir" as

  FaultModel:TemperatureSensorOffset:OutdoorAir,

    OATFault,                !- Name

    ALWAYS_ON,               !- Availability Schedule Name

    OATSeveritySch,          !- Severity Schedule Name

    Controller:OutdoorAir,   !- Controller Object Type

    VAV_1_OA_Controller,     !- Controller Object Name

    2.0;                     !- Temperature Sensor Offset {deltaC}

where the schedule "OATSeveritySch" is

Schedule:Compact,

    OATSeveritySch,          !- Name

    On/Off,                  !- Schedule Type Limits Name

    Through: 8/19,           !- Field 1

    For: AllDays,            !- Field 2

    Until: 24:00,            !- Field 3

     0,                      !- Field 4

    Through: 8/20,           !- Field 5

    For: AllDays,            !- Field 6

    Until: 24:00,            !- Field 7

     1,                      !- Field 8

    Through: 12/31,          !- Field 9

    For: AllDays,            !- Field 10

    Until: 24:00,            !- Field 11

     0;                      !- Field 12

However, I found that the 

Output:Variable,

    *,                       !- Key Value

    Site Outdoor Air Drybulb Temperature ,  !- Variable Name

    Hourly;                  !- Reporting Frequency

has no change.  In other words, there is no offset in this output variable.

May I know the reason?  Your answer will be very appreciated.

--

Best Regards

Ying Yan

Graduate Student

Electrical & Computer Engineering

School of Engineering

University of Connecticut

--

James V Dirkes II, PE, BEMP, LEED AP
CEO/President
The Building Performance Team Inc.
1631 Acacia Dr, GR, Mi 49504

Direct: 616.450.8653
jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx

Website l  LinkedIn | May 2016 ASHRAE Journal article on energy modeling

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Posted by: Jim Dirkes <jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

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