An important concept for safely switching power and protecting the load! Explanation of the definition of synchronous switching.
This document discusses the synchronization relationship between two AC power sources, A and B, in a switch that inputs these two systems. In switching between two AC power sources, the ideal switch is one where the waveforms before and after the switch appear almost unchanged from the load side. In high-speed power switching, synchronized switching is essential, and it is necessary to switch at a timing where the phase difference between the two power sources is minimal. Furthermore, the synchronization relationship of the two power sources can be classified into two types: "sources that each have their own unique frequency" and "sources that are under synchronized control." For more detailed information, please refer to the related links below. [Overview] ■ In switching between two AC power sources, the ideal switch is one where the waveforms before and after the switch appear almost unchanged from the load side. ■ When switching with a phase difference between the two power sources, there may be inrush current depending on the load equipment, so it is necessary to consider the impact on the load equipment. *For more details, please refer to the PDF document or feel free to contact us.
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【Other Overview】 - If the switch uses an overlap switching method, the cross current between the two power supplies during overlap may become excessive, posing a risk of switch damage or power system damage. - For switching with good load devices that have momentary interruptions due to the operation time of the switch, the phase difference between the two power supplies is generally not a problem. - In high-speed power switching, synchronous switching is essential, and switching must occur at a timing where there is almost no phase difference between the two power supplies. - The synchronization relationship of the two power supply systems can be classified into two types: "power supplies with their own unique frequencies" and "power supplies that perform synchronization control." - Synchronous switching is an important concept for performing power switching more safely and protecting the load. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Takada Manufacturing, a specialized manufacturer of switchgear, produces equipment to ensure safety so that communication bases, airports, hospitals, railways, and computer systems are not disrupted by power outages. Our products are expanding in demand not only domestically but also in overseas markets, primarily in Asia. Our product lineup includes DC and AC electromagnetic contactors, various types of switches, non-interruptible high-speed switches, overlap-type and intermediate-off switches, and DC contactors. We also offer customization according to customer requests.
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