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What are the application of a thyristor?
The industrial applications of a thyristor are:To trigger a triacTo produce gate signalsto be used for controlled rectification
What does forced commutation mean?
The term "Forced commutation" is used when a thyristor is turned off using external components. If a thyristor is used in a DC circuit, when first turned on, it will stay on until the current goes to zero. To turn off the thyristor it is possible to use a Forced commutation circuit. The circuit creates a reverse voltage over the thyristor (and a small reverse current) for a short time, but long enough to turn off the thyristor. A simple circuit consist of a precharged capacitor and a switch (e.g. another thyristor) parallel to the thyristor. When the switch is closed, the current is supplied by the capacitor for a short while. This cause a reversed voltage over the thyristor, and the thyristor is turned off.
Can the Vivitar 728AF be used safely with the Canon Rebel xti?
Safely, yes, because it does not exceed 6V. Because the Vivitar 728AF is TTL-based and the Canon Rebel xti, being a digital body, is not TTL-compatible, but E-TTL, the Vivitar can only be used manually. It will fire, but there is no feedback from the camera to the flash unit. If you are willing to evaluate and reshoot every time, you can use this flash unit, but expect no more.
How thyristor used in induction furnace?
Thyristor is used for Rectifiying and inverting the power supply in induction furnace. The parallel Resonance Coils (Current Control Furnaces) Control the Furance power up to 40% by controlling the firing angle of the rectifier inverter and remaining 60% controlled by inverter thyristor control. In rectifier they are varying the thyristor firing angle from 15 deg to 45 deg. (in sin wave)
What is the thyristor firing circuit?
The thyristor is basically used a switch in an AC circuit to control the amount of power fed to the load. To turn on this switch an "electric" pulse should be applied to the Gate terminal of the Thyristor. A circuit which supplies the "electric" pulse is called the firing circuit.
What circumstances led to the invention of the transistor in 1947?
before the invention of transistor,thyristor was used instead of transistor but thyristor produces more heat in the circuit and size is more when compared to transistor
What is the difference between thyristor fuse and normal fuse?
A: THYRISTOR can be used to clamp damaging energy as opposed to a fuse that must blow open and invariably takes time to blow. A thyristor is much faster and controllable actually if the problem disappear it can be made to open up again and restore power for normal operation.
What would one want to use a Nikon remote for?
One tends to use a Nikon remote to control a Nikon camera. This can be used when one is attempting to take a self portrait, or in conjunction with a tripod.
Why thyristor used in resistance welding machine?
For firing current between the the moving arm of the gun and the fixed arm
How much does the Nikon SB 400 cost?
The price of a Nikon SB 400 depends from what location one purchases it. The average price of a Nikon SB 400 is around $130 and a used one is around $50.
Where could one purchase a Nikon tripod?
In order to purchase a Nikon tripod, one could find offers on the official homepage of the vendor (Nikon dot com), or you could purchase used devices on eBay or similar.
What solid state componet can be used as a switch to turn current on or off?
The solid state component that can be used as a switch to turn current on or off is a thyristor.
