EPS battery works:Be
Compared with the diesel engine, the EPS power supply has the advantages of non-pollution, fast switching speed, low maintenance costs, and more popular in fire-fighting power users, EPS power supply has also received more and more extensive applications.
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Battery
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EPS emergency power supplies use single-inverter technology, collective electrical appliances, batteries, inverters, and controllers. Inside the system, battery detection, capacity detection circuit, and fast detection function of power loss are designed. The graph gives the working principle of other major components. Take a certain intelligent emergency power supply as an example, it uses a standby mode.
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Nanjing Xiahua Power Plant, Nanjing Xiahua Electronics Co., Ltd. Contact: Tel: 025-56612958 Website: www.batt168.com E-mail: Batt123@qq.com
The main results are as follows: (1) When the market power is normal, market power is powered by mutual input devices, while marketing power detection and battery charging management, and then powered by the battery pack. Here, the charger is a low-power DC power supply, simply providing a charging current equivalent to the battery pack capacity (AH) 10% to the battery pack, and does not have the ability to supply power to the inverter. At this time, the power supply system consisting of the EPS AC bypass switch and the switch provides power to users of various emergency loads. At the same time, under the control of the EPS logic control board, the inverter stops working in automatic shutdown state. In this case, the load power used by the user is from the grid. Therefore, the EPS emergency power supply is often referred to as a sleep state, which can effectively achieve the energy saving effect.
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(2) When the market power is interrupted or the market voltage exceeds the limit (¡À 15% or ¡À 20% rated input voltage), the mutual switching device will immediately switch to the inverter power support supported by the battery pack, the user load The power used is an AC power source converted through the EPS inverter instead of a market power supply.
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(3) When the market voltage returns to normal operation, the EPS control center issues a signal, automatically shuts off the inverter, and also switches from the inverter power supply from the inverter power source through its switching switch. Thereafter, the EPS also charges the battery pack through the charger while providing market power to the load through the AC bypass power channel.
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(4) In addition to the emergency lighting system, the BK-YJS series three-phase intelligent variable frequency emergency power supply is mainly used to provide a variable frequency emergency power supply system in the main load, which is convenient to solve the impact of motor emergency power supply and the boot process influence. BK-YJS, BK-YJS Series Intelligent Emergency Power Supply Acceptance Linkage Signal, Building Intelligent Bus Signal Control, and can set priority to prevent excessive control.
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