Energy system configuration

This section of the Properties dialog box, accessed by right-clicking an energy system or by clicking the relevant icon at the bottom of the energy system, provides relevant information that identifies this subsystem. Equipment that supplies fresh air to the data center. Ventilation includes fans, and, if present, any heaters, humidifiers and dehumidifiers associated with the fresh air ventilation system. Configuration Power path Identifies if this subsystem is on the critical or primary power path, or if it is not included in this energy system. Calculation source Identifies if the data of this subsystem is measured (live) or computed (without power meters). Actual kW Nameplate Sums up the total nameplate value of all equipment in this subsystem. Usable fraction of nameplate w/o derating Identifies the usable fraction of power that can be used within the devices in this subsystem without derating the value. Redundancy Identifies the redundancy of this subsystem. For example, if you have a redundant setup with two 80 kW UPS, this value is 2N. Redundancy "+1" kW Increment Identifies the loss in kilowatt caused by internal redundancy. (Only needed if redundancy option includes +1.) For example, if you have a 40 kW UPS with one spare 10 kW power module, this value would be 10 kW. Derate Capacity fraction Identifies the usable fraction of the nameplate value that can be used in this subsystem. For example, if you use a 20% safety margin, this value would be 0.8. Typical PU Identifies the power usage (PU) of this subsystem relative to the total power usage. Fixed loss Identifies the fraction of power that is the fixed loss of the subsystem. Proportional loss Identifies the fraction of power that is lost proportional to the load of the subsystem. Square Law loss Identifies the fraction of power that is lost proportional to the square of the load of the subsystem. Dry bulb fixed loss Identifies the fraction of power that is lost per degree Celsius dry bulb. Script Opens the script editor for editing scripts for this subsystem.

This section of the Properties dialog box, accessed by right-clicking an energy system or by clicking the relevant icon at the bottom of the energy system, provides relevant information that identifies this subsystem. The information may vary based on the subsystem type. Lighting covers the lighting used to light the data center. Configuration Power path Identifies if this subsystem is on the critical or primary power path, or if it is not included in this energy system. Calculation source Identifies if the load of the subsystem is measured (live) or computed (without power meters). Actual kW Nameplate Sums up the total nameplate value of all equipment in this subsystem. Usable fraction of nameplate w/o derating Identifies the usable fraction of power that can be used within the devices in this subsystem without derating the value. Redundancy Identifies the redundancy of this subsystem. For example, if you have a redundant setup with two 80 kW UPS, this value would be 2N. Redundancy "+1" kW Increment Identifies the loss in kilowatt caused by internal redundancy. (Only needed if redundancy option includes +1.) Derate Capacity fraction Identifies the usable fraction of the nameplate value that can be used in this subsystem. For example, if you use a 20% safety margin, this value would be 0.8. Typical PU Identifies the power usage (PU) of this subsystem relative to the total power usage. Fixed loss Identifies the fraction of power that is the fixed loss of the subsystem. Proportional loss Identifies the fraction of power that is lost proportional to the load of the subsystem. Square Law loss Identifies the fraction of power that is lost proportional to the square of the load of the subsystem. Dry bulb fixed loss Identifies the fraction of power that is lost per degree Celsius dry bulb. Script Opens the script editor for editing scripts for this subsystem.

This section of the Properties dialog box, accessed by right-clicking an energy system or by clicking the relevant icon at the bottom of the energy system, provides relevant information that identifies this subsystem. The information may vary based on the subsystem type. Configuration Dry bulb fixed loss Identifies the fraction of power that is lost per degree Celsius dry bulb.

This section of the Properties dialog box, accessed by right-clicking an energy system or by clicking the relevant icon at the bottom of the energy system, provides relevant information that identifies this subsystem. The information may vary based on the subsystem type. The IT load is a very dynamic value since it can change with the power consumption of each server in the data center. It will also change as servers are added or removed from the date center. Configuration Power path Identifies whether the IT load is on the critical or primary power path. You cannot choose to exclude it in this energy system. Calculation source Identifies that the IT load is measured (live). Script Opens the script editor for editing scripts to retrieve IT load measurements.

This section of the Properties dialog box, accessed by right-clicking an energy system, provides relevant information that identifies the selected energy system. Name A user-definable value used to identify the energy system. Location Identifies the country in which the energy system is located. This data is used for displaying the calculated amount of CO2 emitted per subsystem on the dashboard. Design IT Load Rating Identifies the designed IT load. Outdoor Dry Bulb Temperature Identifies the outdoor temperature. Calculation Interval A user-definable value used to identify the interval for calculating the PUE / DCiE based on the data retrieved from the Data Center Expert server or other data provider.

The energy systems are listed in ITA in the Systems pane. You can define what parts of the physical infrastructure to include in the system, and you can define the properties. You can create a new system by selecting > File > New Energy System or by clicking the Systems pane New Energy System icon.  ITA_new-system16x16_360007654558.png In the dialog box, type a name and define the environmental settings for designed IT load and outdoor temperature. You can double-click a system in the list (or right-click and select Configure Energy System) to open it in a separate tab in the editor to configure the system. Multiple systems (maximum 10) can be open at the same time. In the graphical editor, when you open a new system, there are no components included in the energy system. They all appear grayed out. You can define which components of the physical infrastructure to include in this energy system by right-clicking the components in the diagram and selecting to include / exclude them. The included components are no longer highlighted in gray. You can delete a system by right-clicking it in the Systems pane and selecting Delete. Once you have configured power consumption from sensor measurements or estimations, you can see the energy efficiency rating for the energy system on the dashboard. You can set the calculation interval and environmental properties for a system by right-clicking it in the Systems pane and selecting Properties. For an overview of all components in the entire physical infrastructure and all power dependencies across the energy systems, you can open the Power Dependency Editor. Note: The system needs a minimum energy system configuration to provide you with a calculated PUE/DCiE value. An energy system must at least include: Switchgear Energy Efficiency properties set on the switchgear and PDU A PDU connected to the switchgear A script configured on the PDU IT load properties set to include measured calculation source Derate Capacity must be >0 ITA_energysystem_360007654558.png 123 Steps to... Configuring an energy system Configure the components of the energy system to ensure the configuration accurately reflects the live physical infrastructure of the system. Click the Systems pane New Energy System icon ITA_new-system16x16_360007654558.png and type a name and define the environmental settings. Double-click an energy system in Systems to open it in the editor. To include components in an energy system: Right-click a grayed out component in the diagram and select Include in energy system. Repeat this for all the components that you want to include. When a component has been configured to be included in the energy system, it will no longer be grayed out. If you regret including a component, right-click it and select Exclude from energy system. Configure IT load, infiltration, lighting, and ventilation subsystems by clicking the icons at the bottom of the energy system, or by right-clicking the energy system in the Systems pane. At any time, right-click a component to see the properties. In the Scripts pane, create scripts to include measurements in the energy system's PUE/DCiE calculation. Associate the created scripts with the components to indicate which scripted values to include for which components in the diagram by right-clicking the components in the diagram and selecting > Associate Scripts > Folder name > Script name. You can see the PUE/DCiE, CO2 emission and cost results of the configuration expressed as graphs published to the Energy Efficiency Dashboard available when typing the server's IP address into a Web browser.  

This section of the Properties dialog box, accessed by right-clicking a component in the floor layout in Planning > Data Center, provides relevant information that identifies the energy efficiency values of the selected component. It is also available as read-only information by right-clicking a component in an energy system in > Planning > EE Configuration. Derate Capacity fraction Identifies the usable fraction of the nameplate value that can be used for this component. For example, if you use a 20% safety margin, this value would be 0.8. Redundancy Identifies the redundancy of this component. For example, if you have a redundant setup with two 80 kW UPS, this value would be 2N. Redundancy "+1" kW Increment Identifies the loss in kilowatt caused by internal redundancy. (Only needed if redundancy option includes +1.) For example, if you have a 40 kW UPS with one spare 10 kW power module, this value would be 10 kW. Typical PU Identifies the power usage (PU) of this component relative to the total power usage. Usable fraction of nameplate w/o derating Identifies the usable fraction of power that can be used without derating the value. Fixed loss Identifies the fraction of power that is the fixed loss of the component. Proportional loss Identifies the fraction of power that is lost proportional to the load of the component. Square Law loss Identifies the fraction of power that is lost proportional to the square of the load of the component. Dry Bulb Fixed loss Identifies the fraction of power that is lost per degree Celsius dry bulb.

You can access and edit the data on the property tabs defining the configuration for IT load, infiltration, ventilation, and lighting by right-clicking an energy system and selecting Properties or by clicking the icons at the bottom of the Energy System pane. The configuration options vary based on the type of subsystem. Right-click the energy system and select > Properties > Ventilation. Define the general settings for the energy system's ventilation. Select if the ventilation is on the critical or primary power path, or if there is no ventilation to be included in this energy system. Select if the ventilation data is measured (live) or computed (without power meters). Define the configuration of the energy system's ventilation. In Actual kW Nameplate, type the total nameplate value of the ventilation. In Usable fraction of nameplate w/o derating, type a number between 0 and 100, indicating the usable fraction of power that can be used within the devices in this subsystem without derating. In Redundancy, type the redundancy of the subsystem. In Redundancy +1 kW Increment, type the loss in kilowatt caused by internal redundancy. (Only needed if the redundancy option includes +1) In Derate Capacity fraction, type a number between 0 and 1, indicating the usable fraction of the ventilation equipment nameplate value. In Typical PU, type the power usage (PU) of the ventilation in power units relative to the total power usage. Define the loss configuration of the energy system's ventilation. In Fixed loss, type a number between 0 and 100, indicating the fraction of power that is the fixed loss of the ventilation. In Proportional loss, type a number between 0 and 100, indicating the fraction of power that is lost proportional to the load of the data center. In Square Law loss, type a number between 0 and 100, indicating the fraction of power that is lost proportional to the square of the load of the data center. In Dry bulb fixed loss, type a number between 0 and 100, indicating the fraction of power lost per degree Celsius dry bulb. Use the Script tab for writing scripts that retrieve measurements. Click Lighting and repeat the above steps for configuring the energy system's lighting settings.

You can access and edit the data on the property tabs defining the configuration for infiltration by right-clicking an energy system and selecting Properties or by clicking the icons at the bottom of the Energy System pane. The configuration options vary based on the type of subsystem. Right-click the energy system and select > Properties > Infiltration. Define the Dry bulb fixed loss to indicate the fraction of power that is lost per degree Celsius dry bulb. Define the loss configuration in Dry bulb fixed loss: type a number between 0 and 100, indicating the fraction of power lost per degree Celsius dry bulb.

You can access and edit the data on the property tabs defining the configuration for IT load by right-clicking an energy system and selecting Properties or by clicking the icons at the bottom of the Energy System pane. Right-click the energy system and select > Properties > IT Load. Define the general settings for the energy system's IT load. Select if the IT load is on the critical or primary power path. IT load must be included for the energy system. IT load is measured (live). Use the Script tab for writing scripts that retrieve measurements.