What are the main technical parameters of uninterruptible power supply UPS? The technical parameters of UPS uninterruptible power supply mainly include: rated capacity, input voltage range, input power factor, output voltage, output power factor, battery voltage, overall machine efficiency, etc. UPS power supply technical parameters are important indicators of UPS quality and the main basis for model selection. Whether the UPS power supply can provide pure and uninterrupted power supply to the load equipment normally and safely requires a detailed understanding of its performance parameters.

　　What are the main technical parameters of uninterruptible power supply UPS?

　　Uninterruptible power supply UPS input characteristics:

　　1. Input voltage range A wide input voltage range can reduce the chance of battery discharge and extend battery life.

　　2. The input power factor is low, the input reactive power is large, and harmonic current pollutes the power grid and affects other equipment.

　　3. Allowable range of main power frequency.

　　4. Input the harmonic component of the current. (PFC, 6/12 pulse transformer)

　　Uninterruptible power supply UPS output characteristics:

　　1. Static stability. 1% for large and 2% for small and medium-sized.

　　2. Output transient characteristics. 5% for large and 8% for small and medium.

　　3. Output overload capability. (For example: overload 125% 5MIN; 150S)

　　4. Output power factor. (0.8, 0.9, 1)

　　5. Output voltage harmonic distortion. Typically within 3%.

　　Rated operating parameters

　　Rated output power; rated maximum output and input current; rated output and input frequency are all standard 50Hz in my country; nominal input and output voltage are determined according to the way of incoming and outgoing wires.

　　Other parameters

　　The average time between failures is 200,000 to 400,000 hours (large UPS power supply) and 150,000 to 220,000 hours (medium-sized UPS power supply); the parallel capability requires the UPS uninterruptible power supply to have direct parallel output capability, and the output current of each UPS is equal to The flow unbalance is 2% to 5%, and this value should be as small as possible; it should have remote monitoring, fault alarm, and operating status recording functions; it should have lightning protection, surge suppression, and anti-static discharge functions.

　　The UPS system basically consists of the following parts

　　●UPS host

　　●Required features (such as BCBBOX, etc.)

　　●Battery

　　●Supporting battery cabinet/rack, battery switch, etc.

　　●Functional options (such as lightning protection, monitoring, harmonic control, upstream outlet, etc.)

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