Objectives:

·        Getting familiar with the electromechanical, static, digital relays and Getting familiar with relays set and test procedures.

·        Getting familiar with the analog and digital devices for testing relays and how to work with them

·        Investigation of network protection, synchronous generator, power plant and transformer

·        Performing the following tests to familiarize yourself with protection and relays:

          o   Testing the pickup and drop-off current and operation time of the electromechanical overcurrent relay using an analog test device

          o   Setting the digital overcurrent relay and testing it using a digital test device

          o   Testing and determining the operation area of the electromechanical direction finder relay using an analog test device

          o   Setting the digital directional overcurrent relay and testing and determining the pickup current and angle and the operation area and time of operation of the relay using a digital test device

          o   Testing and determining the operation area and time of the electromechanical distance relay using an analog test device

          o   Setting the digital distance and testing the time and limits of the relay operation using a digital test device

          o   Performance testing of the transmission network protection system for different faults in the network using two training sets of network protection with electromechanical and digital relays

          o   Testing the overcurrent and overvoltage protection of a laboratory synchronous generator

          o   Testing the performance of the power plant protection system for various faults in it using two educational sets of power plant protection with electromechanical and digital relays

          o   Examining the performance of a differential protection relay fir a laboratory three-phase transformer

·        Analyzing and recording practical results and comparing them with theory

 

Laboratory equipment:

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

·        Analog relay testing devices made by SIEMENS company with two three-phase current outputs and two three-phase voltage outputs

·        AMR multi-function relays with directional overcurrent, distance and differential functions made by Vebko company

·        Motor protection (overcurrent protection) relay (7SJ602) made by SIEMENS company

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

·        Two simulator systems for the protection of substations and the transmission network

·        Two power plant protection simulator systems

·        Laboratory set of synchronous generator and driving motor with generator protections

·        The power system analog simulator system with a real synchronous generator and the capability of being connected to the national network along with generator protection relays

 

Laboratory supervisor: Dr. Alireza Saffarian

 

Phone ext. no.: 5691

Lab photos: