Showing posts with label SSR. Show all posts
Showing posts with label SSR. Show all posts
Thursday, May 17, 2012
What is Zero voltage switching in SSR
The line current is switched on at the precious moment of Ac 0 voltage.This eliminates the sharp output voltage rise time and electromagnetic interference noise (EMI)
SSR-Solid state relay,in details
A SSR or solid state relay is used in place of Electromagnetic relay (EMR).
Here SSR input out terminals are analogous to EMR coil and contact.
Input to SSR is 5,24 VDc or 120 VAc.
Input and output terminals are electrically isolatedcalled galvanic isolation thus saving the delicate motor control circuit from spike,fault current from power circuit.
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| Solid State relay to drive motor |
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| Solid State relay circuit diagram |
Here SSR input out terminals are analogous to EMR coil and contact.
Input to SSR is 5,24 VDc or 120 VAc.
Input and output terminals are electrically isolatedcalled galvanic isolation thus saving the delicate motor control circuit from spike,fault current from power circuit.
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