SALIENT FEATURES:
BRIDGE FIRING CIRCUIT:
- Four – isolated gate signals for full Bridge converter.
- Firing angle variable from 1800 to 00 through Ramp and Pedestal control.
- Gated carrier source at 4 KHz.
- Housed in a sleek cabinet.
- Test points are provided on the front panel for detailed study of circuit signals by the student.
- Necessary test points are terminated at sockets so that the student can monitor / measure / study the signals using CRO, DVM, etc.
- One Potentiometer to vary the firing angle.
- One ON / OFF switch with indicator provided to power the control circuitry so that the students can monitor all the test points of the control circuitry for correct functioning.
- Panel Size : 410mm x 320 mm
- Power Supply : Input : 230V + 10%, 50Hz single phase AC. +15V DC @ 0.5A regulated output for the control circuitry.
POWER DEVICES CIRCUIT:
- Four nos of SCR?s rated for 1200 volts VAK and 25 Amps 1A.
- One diode for free wheeling.
- Each device is provided with.
- RC Snubber for dv / dt protection.
- Fuses to avoid overload.
- All the G, A, K & MT terminals are terminated on connectors to use patch cords.
LOAD:
- One fixed Resistive load ( Lamp Load ).
- One fixed Inductive load.
- All points are terminated at the front panel for wiring for each experiment.
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