EE535 - Microelectronic Devices and Circuits Assignment

Assignment Task

1. Simulate a 3-input NAND gate using Microwind and generate the output wave.

2. Simulate Differential Amplifier using Microwind and generate the output.

3. Simulate Master-slave D Flip-flop with a basic approach.

4. Perform SRAM Array simulation in Microwind (Pg231-235; refer to Chip Design for Submicron VLSI book; John P.Uyemura)

Project 4A PV Smart Inverters (SIs) Voltage Control in Distribution Circuits (Double Extra Credit)

A Schematic diagram of a bidirectional single-branch radial distribution circuit with n+1 nodes is given in Fig.1

(see Adaptive VAR Control for Distribution Circuits With PV Generators, IEEE Trans Power Systems, 8/2012).

The power flow is given by the following equations:

By simplification, the optimization process becomes as follows.

Power Loss:

over decision variables pj, Qj, Vj, qj, g

subject to

Pi+1=Pi-Pi+1+Pi+1

Qi+1=Qiqi+1+9+1

Vi+1 = Vi (riPi + x¿Qi)/Vo

Model-Based Control

A local control at PV nodes is provided as follows

The inverter’s ability to generate reactive power is constrained by its apparent power capability sj = pj g + jgj and its instantaneous real power generation (pjg )through the relationship

|qj g sj 2 − (pjg 2 (3) Voltage regulation: Vi (riPi + x¿Qi)/Vo

Data-Driven Control

There is a need to develop a Data-Driven based detection and voltage control at PV nodes. In this project, you may assume that the power loss is already minimized and only focus on the following conditions:

1. Detection.

2. If (4) is acceptable for all nodes, do nothing.

3. If not, you need to regulate voltage at the nearby PV nodes by employing (5) and (6).

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