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THEORY: Rectification is a process of converting an alternating current or voltage into a direct current or voltage. Rectifier circuits are classified into Laboratory Manual: Power Electronics & Drives Lab Theory: Silicon Controlled Rectifier (SCR) is a four layer PNPN (three junction) semiconductor. Power Electronics Rectifier (Trainer) Kit. 2. CRO. 3. Connecting Wires. Fig 1 Single phase full converter. Theory. A fully controlled converter or full THEORY:- SCR acts as a switch when it is forward biased. When the gate is kept open IG = 0 and the operating of SCR is similar to PNPN diode. SCR & DIAC Characteristics Study unit. THEORY: A Silicon Controlled Rectifier (SCR) is a four layer, three terminals and three junction device, which isTheory: The phase controlled rectifiers using SCRs are used to obtain controlled dc output voltages from the fixed ac mains input voltage. A single POWER ELECTRONICS LAB MANUAL. Prepared By: THEORY: RESISTANCE FIRING CIRCUIT: Resistance trigger circuits are the simplest & most economical method. THEORY: An elementary circuit diagram for obtaining static V-I characteristics of a thyristor is shown in Fig. 4.2 (a). The anode EXPERIMENT NO : 1. Aim: To determine input & transfer Characteristics of MOSFET. Apparatus required: MOSFET kit, Ammeter, Voltmeter, Power supply. THEORY:.