Development of three phase synchrophasor for monitoring of power systems

The goal of this project is to design a low cost PMU that takes measurements at the residential level for now and use it for the purpose of Measurement and Monitoring of Power systems. This device should be cheap as compared to industrial PMU. This device should be cheap and highly reliable as compa

Project Title

Development of three phase synchrophasor for monitoring of power systems

Project Area of Specialization

Electrical/Electronic Engineering

Project Summary

The goal of this project is to design a low cost PMU that takes measurements at the residential level for now and use it for the purpose of Measurement and Monitoring of Power systems. This device should be cheap as compared to industrial PMU. This device should be cheap and highly reliable as compared to industrial PMU costing up to $ 20000.

Project Objectives

The objective of this project is to develop a cost effective device that produces synchronized phasor and frequency estimates from voltage and/ or current signals and a time synchronizing signal.

To develop a Matlab Simulink based simulation of phasor measurement unit for proof of concept and to further identify its extensive usage in power system.

Project Implementation Method

The measurement source is a 220v residential outlet. A step down circuit lowers the voltage of the measurement source into the range of the A/D converter. The PMU module will have its own DC source. An analog anti-aliasing filter will be used to limit the signal bandwidth before sampling. The signal is passed through an Analog to Digital converter that samples synchronously with the time source. The GPS module provides an absolute time reference to the A/D converter and the Synchrophasor Estimator. The Synchrophasor Estimator Algorithm will calculate the magnitude of input signal and run it through a phase estimator. The results will be the magnitude and phase estimation with a time tag and sent to a PC via the Software interface

Benefits of the Project

The installation of phasor measurement units (PMUs) provides authentic time image of operating conditions. Adding the number of PMUs improves the resolution of data available to control room operators. It also creates the possibility for execution of automatic control systems to correct disturbances or failures. Still, these devices are expensive, roughly 30 Lac rupees per installation, and are hard to install. They also require communication networks to feed data back to processors, known as phasor data concentrators. But with our developed prototype Phasor Data Concentrator wouldn’t be required because we will store the data manually on memory

PMUs can offer a new perceptiveness when installed at the distribution level of the power grid. The frequency of distributed generation, lower power plants that supply communities rather than regions, is adding due to the fact that renewable power generation is more suited for communities. This increase causes an increase in dynamic events at the distribution position, as wind turbines and solar granges increase and drop their performance in step with the rainfall. Having PMUs measuring at the distribution position will give a more accurate picture of how the increase in distributed generation affects the power grid on a day-to- day and long term base.

The applications of PMU data can be divided into two types, Diagnostic Applications and Control Applications.

A. Diagnostic Applications

• Unintentional island detection
• Phase identification and balancing
• Reverse power flow detection
• State estimation : The state is completely described if the two state variables that drive real and reactive power flow – namely, voltage magnitude and phase angle are known or computed for every node in the network, given connectivity and impedances of network branches.
• Fault location

 B. Control Applications

• Protective Relaying
• Volt-VAR Optimization
• Microgrid Coordination

Technical Details of Final Deliverable

The project will present a prototype of a standard PMU with specifications within acceptable range of inputs and also best fitted with hardware implementation limits. The parameters such as ADC Bit width, sampling frequency, system clock frequency, System clock drift from GPS time, etc. decide the level to which the phasor estimation and time stamping process is accurate.

The project will present a low voltage phasor measurement unit which satisfies IEEE C37.118-2011 synchrophasor communication protocol (Measurement type).

Final Deliverable of the Project

HW/SW integrated system

Core Industry

Others

Other Industries

Telecommunication

Core Technology

Others

Other Technologies

Others

Sustainable Development Goals

Industry, Innovation and Infrastructure

Required Resources

If you need this project, please contact me on contact@adikhanofficial.com