Power 1 ACDC Converters controlled rectifiers Electronics 2

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������ Power. 1 AC-DC Converters (controlled rectifiers( Electronics. 2 AC-AC Converters (AC Voltage Controllers(.

������ Power. 1 AC-DC Converters (controlled rectifiers( Electronics. 2 AC-AC Converters (AC Voltage Controllers(. 3 DC-DC Converters (DC choppers(. 4 DC-AC Converters (Inverters( ���������� Power Electronics ������ Air Conditioning, Alarms, Battery charger, Clothes dryer, Conveyor, Electric Dryers, Electric fans, Elevators, Induction Heating, Light Dimmers, Motor Control/Drives, Power Supplies, TV deflections, Voltage regulators. 4

����������� (power semiconductor device) ����������� 5 ����� Power Diode Thyristor ����� SCR, Triac, Gate-turn-off

����������� (power semiconductor device) ����������� 5 ����� Power Diode Thyristor ����� SCR, Triac, Gate-turn-off (GTO( Power BJT Power MOSFET ��������� Power BJT, Power MOSFET, Insulated Bipolar Transistors (IGBT( Controllable IGBT Gate ��� GTO �������� Switches ���������� 5

������ Thyristor ����� � SCR Triac GTO 6

������ Thyristor ����� � SCR Triac GTO 6

SCR Characteristics 11

SCR Characteristics 11

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Ideal SCR 14

Ideal SCR 14

������� v. L ����� freewheeling diode 17

������� v. L ����� freewheeling diode 17

DC-DC Converters 19

DC-DC Converters 19

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