There are different types of thyristor
modules, should according to the specific requirements of the application circuit reasonable choice.
If used in ac/dc voltage control, controlled rectifier, ac voltage regulator, inverter power supply, switching power supply protection circuit, etc. , can choose ordinary thyristor.
If used in ac linear speed control switch, ac voltage regulator, ac motor, lamps and lanterns linear dimming and solid state relays, solid state contactor in the circuit, should choose the bidirectional thyristor.
If used in ac motor frequency control of motor speed, chopper, inverter power supply, and various electronic switch circuit, etc. , can choose the gate turn off thyristor.
If used in the sawtooth wave generator, long time delay trigger circuit, overvoltage protector, and power transistor, etc. , can choose BTG thyristor.
If used in electromagnetic range, electronic ballast circuit, ultrasonic, superconducting magnetic energy storage system and switch power supply circuit, can choose inverse thyristor.
If used in photoelectric coupler, optical detector, optical detector, optical counter, photoelectric logic circuit and the operation of the automatic production line monitoring circuit, can choose optically controlled thyristor.
Choose main parameters of thyristor module: the main parameters of thyristor should according to the specific requirements of the application circuit.
The selected thyristor module should have a certain power margin, the nominal peak voltage and rated current (
State the average current)
Shall be higher than in control circuit of the maximum working voltage and maximum working current is 1.
5 ~ 2 times.
Positive pressure drop thyristor module, current gate trigger and trigger voltage should comply with the application of circuit parameters, such as (
Refers to the gate control circuit)
The requirements, not high or low, otherwise it will affect the normal work of the thyristor.
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