Solid State Switching

The course is a substitute for:

Solid State Switching (14BSP)

Lecturer:

Tutor:

Supervisor:

Department of Electric Drives and Traction

Synopsis:

Analysis of switching component principles and solid state (SS) switching circuits. Semiconductor switching elements and their control. Single and three-phase solid state switches, different configuration of switching elements. Voltage and current stress analysis of switching components. Solid state switch for DC circuits. Solid state switch over-current and over-voltage protection.

Requirements:

Active participation on solution of laboratory tasks, correct book-keeping of measurement documentation and results processing. Presentation of measurement reports.

Syllabus of lectures:

1.Solid state switch (SSS) and their role in electric system

2.Electronic components for SSS and their characteristics

3.Control circuits for electronic switching elements and their properties

4.Single-phase solid state switch with feedback, voltage zero-crossing switch

5.AC solid state switch with self-commutation circuit

6.Three-phase SSS, voltage and current stress of switching components

7.Protection circuits of SSS

8.Soft-starters

9.AC SSS with cyclic control -basic principles of control circuits

10.Control circuits for phase and cyclic controlled switch

11.Bipolar transistor solid state switches and control circuits

12.Switch with MOS and IGBT, control circuits

13.„Smart“ switches based on MOS and IGBT

14.Power switching modules, cooling, application recommendations

Syllabus of tutorials:

1. Safety of laboratory works, laboratory rules, activation of first measurements

2.Assembly of testing circuit for phase-controlled thyristors and triacs switch

3.Measurement and analysis of phase-controlled thyristors and triacs switch control circuit

4.Assembly and activation of testing circuit with zero -crossing switch

5.Measurement and analysis of testing circuit with zero -crossing switch

6.Static and dynamic parameters of IGBT switch measurement - testing circuit assembly

7.Static and dynamic parameters of IGBT switch measurement - results analysis

8.Measurement of AC solid state switch with self-commutation circuit - testing circuit assembly

9.Measurement of AC solid state switch with self-commutation circuit - measurement and results analysis

10.Measurement on SSS with capacitive current feedback - testing circuit assembly

11.Measurement on SSS with capacitive current feedback - measurement and results analysis

12.Measurement on SSS with full inductive current feedback - testing circuit assembly

13.Measurement on SSS with full inductive current feedback - measurement and results analysis

14.Correction measurements, credit

Study Objective:

Study materials:

Literature will be specified by the lecturer

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Heavy-current Engineering - Technological Systems- structured studies (compulsory elective course)
• Heavy-current Engineering - Electric Drives- structured studies (compulsory elective course)
• Heavy-current Engineering - Electroenergetics- structured studies (compulsory elective course)
• Heavy-current Engineering - Electrical Engineering Applications- structured studies (compulsory elective course)