·The Difference Between ATS and STS
STS (Static Transfer Switch) short static switch. STS is used in two separate switch between AC power supply, the first road after the failure of STS automatically switch to the second road to the load power supply, the second the words of STS path failure automatically switches to the first road to the load power. With the traditional automatic transfer switch ATS is different from the static transfer switches to provide fast load switching (typically 1 / 4 cycle), sophisticated electronic equipment to ensure uninterrupted work. Load re-conversion to the main input power is actually instantaneous (≤ 8ms). Suitable for UPS and the UPS, UPS and generators, UPS and the city, electricity, electricity and the electricity power supply such as an arbitrary two-way conversion UPS.STS Static Transfer Switch mainly by the smart control panel, high-speed silicon, circuit breakers pose. The standard switching time is ≤ 8ms, will not cause IT class load power. Both on the load reliable power supply, while ensuring STS-phase switching in different security. STS Basic applications include electric power industry automation systems, petrochemical industry, power systems, computer and telecommunications centers, building automation and security systems, and other sensitive equipment against power failure.
ATS (Automatic Transfer Switch) Automatic Transfer Switch short. ATS is mainly used in emergency power supply system, will automatically load circuits from a power supply for access to another (standby) power supply switching equipment to ensure that critical load of a continuous, reliable operation. ATS mechanical structure to the implementation of contactors for switching components, switching function of intermediate relay or logic control modules to complete the secondary circuit control functions, drawback is that the main circuit contactor needs to loop a long-term secondary power, prone to temperature heating , contact bonding, coil burning and other failures. Furthermore, if a big load, the conversion time is relatively long, more than 100 milliseconds will cause the load power.
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