Advanced Protection of Power Systems (APPS) Research Lab

1- Head of the laboratory: Dr. Alireza Saffarian

 

·      Associate Professor of Electrical Engineering Department

·      Email address: a.saffarian@scu.ac.ir , alireza.saffarian@gmail.com

·      Contact number: (061) 33226600-09, extension 5630 and 5735

·      Personal page link: https://eng.scu.ac.ir/~a.saffarian

 

2- Fields of activity of the laboratory (objectives and research / industrial services that can be provided):

·         Study, simulation and development of advanced protection methods of power network components

·         Study and simulation of power system wide area protection methods using phasor measurement units

·         Simulation of protection problems and accidents of real power networks at the levels of transmission and distribution and industries of Khuzestan province and providing solutions

·         Conducting static and dynamic tests of all types of electromechanical, static and numerical relays

·         Setting and testing commercial and new relays used in the industry and holding training courses in this field

·         Establishing a regional center for dynamic testing of power grid relays

·         Designing and manufacturing numerical relays for overcurrent, motor protection, transformer differential protection and distance protection of power grid lines.

 

3- Research facilities:

·         Digital testing device for relays (AMT105) made by Vebko company with two sets of three-phase current outputs and one voltage output.

·         Analog test devices manufactured by SIEMENS company with two three-phase current outputs and two three-phase voltage outputs

·         AMR multi-function relays (with directional, distance and differential overcurrent functionality) manufactured by Vebko

·         Motor protection relay and overcurrent protection 7SJ602 made by SIEMENS company

·         Electromechanical and static overcurrent, directional, distance and differential relays and current and voltage transformers

·         The original Power Factory DIgSILENT 2019 software along with all its software functions and its manuals

·         Power system analog simulator system with a real synchronous generator with the ability to connect to the national network along with generator protection relays

·         Power supply, oscilloscope and other electronic equipment for repairing and making relays

 

4- Research projects/industrial projects (completed/in progress):

-Investigation and feasibility of using the capabilities of phasor measurement units (PMU) in improving the performance of distance relays of Khuzestan power grid transmission lines.

·         Employer: Khuzestan Regional Electricity Company

·         Steps and results:

•         Optimum placement of PMUs with the aim of fault visibility

•         Designing a three-layer wide area protection scheme for Khuzestan transmission network based on PMU data during faults.

•         Accurately determining the fault location in single-circuit, two-circuit, three-terminal transmission lines and simultaneous faults

•         Ability to distinguish between network stress and fault conditions·   

-Investigating the causes of simultaneous disconnection of adjacent medium pressure feeders in distribution networks and providing a solution to solve the problem

·         Employer: Khuzestan Electricity Distribution Company

·         Steps and results:

•         Extensive and accurate modeling of distribution feeders in the investigated sample network

•         and model distribution network protection system

•         Simulating the phenomenon of simultaneous disconnection in feeders

•         Examining different solutions to solve the problem

•         Providing appropriate solutions based on a new protection algorithm and an adaptive change scheme of relay settings

•         Show the appropriate performance of the proposed solutions

- Differential protection design of two-circuit and three-terminal transmission lines with incremental mixed power method (supporting the master's thesis)

·         Employer: Khuzestan Regional Electricity Company

- Feasibility and algorithm design to locate all types of faults in the Khuzestan power grid using a wide monitoring system and neural networks (supporting the master's thesis)

·         Employer: Khuzestan Regional Electricity Company

5- Laboratory students and the title of theses/dissertations:

https://rms.scu.ac.ir/Public/Faculty/CVTeacher.aspx?PersonID=226-1390&CultureID=1#activity-5

 

6- Scientific publications:

·         Articles published in journals:

https://rms.scu.ac.ir/Public/Faculty/CVTeacher.aspx?PersonID=226-1390&CultureID=1#activity-12

·         Articles presented in conferences:

https://rms.scu.ac.ir/Public/Faculty/CVTeacher.aspx?PersonID=226-1390&CultureID=1#activity-13

 

7- Contacts:

·         Email: appsrl.scu@gmail.com , a.saffarian@scu.ac.ir

·         Phone: 061332266