Digital Technologies in Systems of Protection and Automatics of Distribution Electric Networks

Major: Electric Power Generation and Distribution Management Systems
Code of subject: 7.141.06.E.043
Credits: 5.00
Department: Electric Power Engineering and Control Systems
Lecturer: Ph.D., associate professor Sabadash Igor Oleksandrovych
Semester: 2 семестр
Mode of study: денна
Learning outcomes: • understand the physical processes in electric 6 ? 35 kW for different modes of operation of neutral currents and be able to determine when the single-phase earth fault (SPEF) • know the principles of diagnosis of the state of the cable insulation and building protection accessions for SPEF -based microprocessor components; • be able to choose the device grounding and how they connect • the ability to assess the possibility of diagnosing microprocessor system and protection for SPEF different manufacturers; • the ability to analyze processes during SPEF available for Oscillogram.
Required prior and related subjects: • Electromagnetic compatibility; • Establishment and operation of relay protection and automation; • Relay protection and automation of power plants.
Summary of the subject: Network with isolated neutral. Compensation earth fault currents. Uzemlennya resistive neutral. Causes damage networks with isolated neutral. Determination of the current ground fault. The existing relay protection and alarm at SPEF. Methods for determining the place of damage. Repair cable. The impact of the type of neutral grounding protection and the functioning of the signal by SPEF.. The main blocks of a typical digital device. Advocacy groups. Implementation of pre-accident registration regime. Microprocessor system diagnostics of cable insulation and protect the accessions used tires 6-35 kV. Peculiarities of a cable with XLPE
Assessment methods and criteria: • written reports on laboratory and calculation works, oral questioning (30%) • final control - exam: written and oral form (70%)
Recommended books: 1. В.Г.Гловацкий, И.В. Пономарев. Современные средства релейной защиты и автоматики электросетей, Энергомашвин, 2003. – 535 с. 2. Шуин В.А., Гусенков А.В. Защиты от замыканий на землю в электрических сетях 6-10 кВ.–М.: НТФ «Энергопрогресс», 2001. – 104 с. 3. Кідиба В.П. Релений захист електроенергетичних систем. – Львів, видавництво Національного університету «Львівська політехніка», 2015. – 504 с.