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AVEVA™ Engineering

Absorbed Powers for Utilizations where Diversity Factor is ignored

Absorbed Powers for Utilizations where Diversity Factor is ignored

  • Last UpdatedAug 28, 2024
  • 5 minute read

Absorbed Active Power

  • Absorbed Active Power has a unit value of kW.

  • Absorbed Active Power is the total active power for all equipment tags that are fed directly or indirectly.

  • Absorbed Active Power is derived from the value of the Utilization for each fed tag. The utilization values are:

    • Continuous

    • Intermittent

    • Standby

    • Spare

The equations for Absorbed Active Power attributes are:

Continuous No Diversity Factor Connected Power = Σ (Absorbed Electrical Power) where fed tag Utilization = Continuous

Intermittent No Diversity Factor Connected Power = Σ (Absorbed Electrical Power) where fed tag Utilization = Intermittent

Standby No Diversity Factor Connected Power = Σ (Absorbed Electrical Power) where fed tag Utilization = Standby

Spare No Diversity Factor Connected Power = Σ (Absorbed Electrical Power) where fed tag Utilization = Spare

Absorbed Reactive Power

  • Absorbed Reactive Power has a unit value of kVAr.

  • Absorbed Reactive Power can have a positive or negative value. If positive, the associated power factor unit = LAG and if negative, the associated power factor unit = LEAD.

  • Absorbed Reactive Power is the total reactive power for all fed equipment tags.

The equations for Absorbed Reactive Power attributes are:

Continuous No Diversity Factor Connected Reactive Power = Σ (Absorbed Reactive Power) where fed tag Utilization = Continuous

Intermittent No Diversity Factor Connected Reactive Power = Σ (Absorbed Reactive Power) where fed tag Utilization = Intermittent

Standby No Diversity Factor Connected Reactive Power = Σ (Absorbed Reactive Power) where fed tag Utilization = Standby

Spare No Diversity Factor Connected Reactive Power = Σ (Absorbed Reactive Power) where fed tag Utilization = Spare

Absorbed Apparent Power

Absorbed Apparent Power is calculated using Absorbed Active Power and Absorbed Power.

Absorbed Apparent Power has a unit value of kVA.

The equations for Absorbed Apparent Power are:

Continuous No Diversity Factor Connected Apparent Power = √ (Continuous No Diversity Factor Connected Power2 + Continuous No Diversity Factor Connected Reactive Power2)

Intermittent No Diversity Factor Connected Apparent Power = √ (Intermittent No Diversity Factor Connected Power2 + Intermittent No Diversity Factor Connected Reactive Power2)

Standby No Diversity Factor Connected Apparent Power = √ (Standby No Diversity Factor Connected Power2 + Standby No Diversity Factor Connected Reactive Power2)

Spare No Diversity Factor Connected Apparent Power = √ (Spare No Diversity Factor Connected Power2 + Spare No Diversity Factor Connected Reactive Power2)

Absorbed Power Factor

Absorbed Power Factor is calculated using Absorbed Active Power and Absorbed Diversity Power

Absorbed Power Factor has a unit value between 0 and 1.

The equations for Absorbed Power Factor are:

Continuous No Diversity Factor Connected Power Factor = Continuous No Diversity Factor Connected Power / Continuous No Diversity Factor Connected Apparent Power

Intermittent No Diversity Factor Connected Power Factor = Intermittent No Diversity Factor Connected Power / Intermittent No Diversity Factor Connected Apparent Power

Standby No Diversity Factor Connected Power Factor = Standby No Diversity Factor Connected Power / Standby No Diversity Factor Connected Apparent Power

Spare No Diversity Factor Connected Power Factor = Spare No Diversity Factor Connected Power / Spare No Diversity Factor Connected Apparent Power

The equations for Absorbed Power Factor Unit attributes are:

If Continuous No Diversity Factor Connected Reactive Power value is positive then Continuous No Diversity Factor Connected Power Factor Unit = LAG

If Continuous No Diversity Factor Connected Reactive Power value is negative then Continuous No Diversity Factor Connected Power Factor Unit = LEAD

If Continuous No Diversity Factor Connected Reactive Power value = 0 then Continuous No Diversity Factor Connected Power Factor Unit = null

If Intermittent No Diversity Factor Connected Reactive Power value is positive then Intermittent No Diversity Factor Connected Power Factor Unit = LAG

If Intermittent No Diversity Factor Connected Reactive Power value is negative then Intermittent No Diversity Factor Connected Power Factor Unit = LEAD

If Intermittent No Diversity Factor Connected Reactive Power value = 0 then Intermittent No Diversity Factor Connected Power Factor Unit = null

If Standby No Diversity Factor Connected Reactive Power value is positive then Standby No Diversity Factor Connected Power Factor Unit = LAG

If Standby No Diversity Factor Connected Reactive Power value is negative then Standby No Diversity Factor Connected Power Factor Unit = LEAD

If Standby No Diversity Factor Connected Reactive Power value = 0 then Standby No Diversity Factor Connected Power Factor Unit = null

If Spare No Diversity Factor Connected Reactive Power value is positive then Spare No Diversity Factor Connected Power Factor Unit = LAG

If Spare No Diversity Factor Connected Reactive Power value is negative then Spare No Diversity Factor Connected Power Factor Unit = LEAD

If Spare No Diversity Factor Connected Reactive Power value = 0 then Spare No Diversity Factor Connected Power Factor Unit = null

Absorbed Current

Absorbed Current is calculated using Connection Voltage data (Voltage Type, Project Voltage) and Absorbed Apparent Power.

Absorbed Current has a unit value of Amp.

The equations for Absorbed Current attributes are:

If Voltage Type = S then
Continuous No Diversity Factor Connected Current = (Continuous No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = L then
Continuous No Diversity Factor Connected Current = (Continuous No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = T, TN then
Continuous No Diversity Factor Connected Current = (Continuous No Diversity Factor Connected Apparent Power * 1000) / (Project Voltage * 3)

If Voltage Type = DC then
Continuous No Diversity Factor Connected Current = (Continuous No Diversity Factor Connected Power * 1000) / Project Voltage

Note:
In this case Continuous No Diversity Factor Connected Apparent Power = Continuous No Diversity Factor Connected Power.

If Voltage Type = S then
Intermittent No Diversity Factor Connected Current = (Intermittent No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = L then
Intermittent No Diversity Factor Connected Current = (Intermittent No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = T, TN then
Intermittent No Diversity Factor Connected Current = (Intermittent No Diversity Factor Connected Apparent Power * 1000) / (Project Voltage * 3)

If Voltage Type = DC then
Intermittent No Diversity Factor Connected Current = (Intermittent No Diversity Factor Connected Power * 1000) / Project Voltage

Note:
In this case Intermittent No Diversity Factor Connected Apparent Power = Intermittent No Diversity Factor Connected Power.

If Voltage Type = S then
Standby No Diversity Factor Connected Current = (Standby No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = L then
Standby No Diversity Factor Connected Current = (Standby No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = T, TN then
Standby No Diversity Factor Connected Current = (Standby No Diversity Factor Connected Apparent Power * 1000) / (Project Voltage * 3)

If Voltage Type = DC then
Standby No Diversity Factor Connected Current = (Standby No Diversity Factor Connected Power * 1000) / Project Voltage

Note:
In this case Standby No Diversity Factor Connected Apparent Power = Standby No Diversity Factor Connected Power.

If Voltage Type = S then
Spare No Diversity Factor Connected Current = (Spare No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = L then
Spare No Diversity Factor Connected Current = (Spare No Diversity Factor Connected Apparent Power * 1000) / Project Voltage

If Voltage Type = T, TN then
Spare No Diversity Factor Connected Current = (Spare No Diversity Factor Connected Apparent Power * 1000) / (Project Voltage * 3)

If Voltage Type = DC then
Spare No Diversity Factor Connected Current = (Spare No Diversity Factor Connected Power * 1000) / Project Voltage

Note:
In this case Spare No Diversity Factor Connected Apparent Power = Spare No Diversity Factor Connected Power.

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