Control interface characterization of power electronics building blocks (PEBB) in utility power system applications

Advanced Power Electronic Interfaces for Distributed Energy Systems Part 1: Systems and Topologies

“…The controller that is the inherent part of the IPEM is defined as the local controller. In literature, the local controller is often called a hardware manager (Celanovic 2000;Rosado et al 2003). The higher level controller, defined as the application manager, is external to the IPEM and establishes the main mission functions of the PE system.…”

“…As the IPEM's builtin DSP module provides enough calculation capabilities to carry out the voltage and current control inside the local controller in addition to the PWM generation for the switches, it is preferable to so implement the control at this level. From a generalized evaluation of different converters, it can be found that there is a set of common functions they all share; these common functions are related to the lower levels as well (Rosado et al 2003). For DER applications, the PWM generation at the lower level always relates to either voltage or current control for the particular converter; therefore, it is desirable to achieve these controls inside the local controller to make the system more modular.…”

Development of Standardized Power Electronic Components, Subsystems, and Systems for Increased Modularity and Scalability

“…The hardware level controller, which is the inherent part of the IPEM, is defined as a local controller. In literature, it is often called a hardware manager [18], [19]. The higher level controller is defined as the application manager.…”

“…As the DSP modules provide enough calculation capabilities, it is preferred to carry out the voltage and current control inside the local controller in addition to the PWM generation for the switches. From a generalized evaluation of different converters, it can be found that there is a set of common functions shared by all of them and also these common functions are related to the lower levels [19]. For distributed energy applications, the PWM generation at the lower level is always related to either voltage or current control for the particular converter.…”

“…But different open architecture communications protocols can also be used, as will be discussed later. Both the system manager and application manager is developed in CPU and named as external controllers in the [18], [19].…”