ABB 5SHY3545L0016 3BHB020720T0002 High pressure accessories
The switches in high-voltage lines generally refer to isolation switches and load switches. Isolation switches are generally used to disconnect no-load current, while load switches can cut off load current. These switches can ensure the smooth operation of the power grid and also provide safety protection for high-voltage lines, avoiding circuit overload.
Lightning arrester is an electrical device used to protect high-voltage line equipment, which can absorb a large amount of current during lightning strikes, thereby enhancing the lightning resistance performance of the line and preventing equipment from being damaged by lightning strikes.
Bidirectional thyristors, also known as three-terminal bidirectional thyristors, abbreviated as TRIAC MOS, are structurally equivalent to two unidirectional thyristors connected in reverse. These thyristors have bidirectional conduction function, and their on/off state is determined by the control pole G. Adding positive or negative pulses to the control pole G can make it conduct in the forward or reverse direction. one thousand four hundred and fifty-six
Controllable silicon has the advantages of small size, high efficiency, and long service life. In automatic control systems, it can be used as a high-power driver to control high-power equipment with small power. It has been widely used in AC/DC motor speed control systems, power regulation systems, and servo systems
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