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The Active Power Control block is responsible for regulating the flow of active power through the Point of Common Coupling (PCC), when the microgrid is connected to an external AC-grid, by allowing the user to adjust the active power settings and maintain stability.

Mask and Parameters

The Active Power Controller block contains the following configuration mask:

Name

Unit

Description

Sample time

s

Simulation time step

Active Power Diesel limits

pu

Minimum and maximum values for Diesel generation

Active Power BESS limits

pu

Minimum and maximum values available for energy storage using BESS

State of Charge (SoC) limits

pu

Minimum and maximum values of State of Charge

Inner state of charge (SoC) limits

pu

Minimum and maximum values of Inner State of Charge

Inputs, Outputs and Signals Available for Monitoring

Inputs

Name

Unit

Description

PrerP renewable (PV+WT)

pu

Specify the Renewable active power measured or forecasted

PloadP load

pu

Specify the Load active power measured or forecasted

SoC

pu

Specify the State of Charge of the BESS

PESP PCC

pu

Specify the Active power reference of PCC

Disp_Dispatch mode

-

Specify Dispatch mode (0: Load-Following, 1: Cycle-Charging, 2: Power-Smoothing

islandIslanded

-

Specify island (0) or grid-connected (1) mode

Outputs

Name

Unit

Description

PdsrefDG P ref

pu

Diesel active power reference

PldrefLoad shed P ref

pu

Load shed command

PrerrefCurtail P ref

pu

Renewable active power curtail command

PessrefBESS P temp ref

pu

ESS active power reference

PpoirefPCC P ref

pu

Active power reference for grid

PnetP net

pu

Net active power mismatch

disp_Dispatch mode

-

Dispatch mode (0: Load-Following, 1: Cycle-Charging, 2: Power-Smoothing)