Solid state relay SSR | | solid state relay manufacturer price of solid state relay | | single-phase three-phase solid state relay solid state relay | industrial solid

by:Positioning     2021-04-24
Choose a suitable mainly rated current of the solid state relay ( SSR) In addition to the special instructions, rectifier, controllable power module. According to different load types to choose SSR rated current of the solid state relay. Impedance load, perceptual load and capacitive load transient current is larger when just starting. Even pure resistance, with positive temperature coefficient, when the cold resistance is small, and therefore has a large starting current. Just when the switched on when the current is to stabilize the furnace 1. 3 - 1. 4 times. The incandescent lamp is current 10 times for the steady state. Some of the metal halide lamp not only open up to 10 minutes, and there is as much as 100 times more steady state when the pulse current. Asynchronous motor starting current is rating of 5 & ndash; 7 times, dc motor starting current. Not only so, solid state relay inductive load also has high potential. This is a variable values, along with the L and di/dt. Usually for the power supply voltage of 1 & ndash; 2 times, so that the superposition and supply voltage. There is as much as three times the power supply voltage. Solid state relay capacitive load at greater risk, because when starting, because at the ends of the capacitor voltage can't mutations, capacitor ( Load) The equivalent of a short circuit. The load must pay special attention to in the selection. Don't need special pointed out that users will surge current value of SSR solid state relay as the basis of choosing load starting current. SSR solid state relay of surge current value is based on thyristor surge current standards. It is a prerequisite for half ( Or a) The power supply frequency. The 10 or 20 ms. While the boot process, a few hundred milliseconds, a few minutes, compared with 10 minutes more. Be sure to please highly pay attention to this. Solid state relay true experts, in order to your satisfaction, we really heart. If interested in our solid state relay or there is doubt, welcome your consultation.
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