Description
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• Consists of firing circuit, SCR power circuit and load.
• Line synchronized IC based linear firing circuit.
• Line synchronization achieved by step – down transformer.
• Four nos. firing pulse with pulse transformer isolation to trigger four SCR.
• One no. potentiometer used to vary the firing angle (180° – 0°).
• Carrier logic implemented with carrier frequency of 4KHz.
• One no. toggle switch with debounceogic for pulse ON/OFF.
• EPROM Based firing pulse frequency variation.
• Two nos. toggle switch to select different frequency (Hz, 50/2Hz, 50/3Hz, 50/4Hz).
• Power circuit consists of Four nos. SCR with fuse protection.
• Anode, Cathode, Gate terminals are terminated in the front panel for user connection.
• 24V AC, 1Amp Provided for power circuit input with ON/OFF switch.
• One no. fixed R, load provided Center tapped inductor for power circuit.
• 230V, 50Hz AC input with ON/OFF rocker switch, fuse for over load.
Description
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