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What is UPS?
Now the public supply system all over the world is AC power, an ideal AC power supply, should meet the following conditions:1. frequency stability2. voltage stability (soil 5%)3. does not contain harmonic distortion (<5%)4., no noise interference (comply with IEEE 587, FCC, CE and other standards)5. low output impedance.
Why does the banking system need UPS power?
The utility model is mainly used for providing stable and uninterrupted power supply for a single computer, a computer network system or other power electronic equipment, such as an electromagnetic valve, a pressure transmitter, etc..
Can say regulators, bought a back-up type gold Samurai DK600, results than my computer also fragile, a little low voltage alarm, what can it regulated. Is there any other way to stabilize it?.
The biggest impact of UPS in AC power interruption, still can keep the power supply to load for a period of time, to avoid the important documents without filing, or important server due to a sudden power down and down.
APC UPS power can not boot, what is the reason?
APC RT3000UXICH DC is 192V, this must be wrong. First, make sure the input plug is power down Then boot, then press the boot button for more than 3 seconds, heard a sound, then let go, you try again
What about the UPS power supply, okay?
When the power input is normal, UPS electric voltage supplied to the load, the UPS power supply is an AC power regulator, it is also the built-in battery; when the power interruption, UPS will immediately built-in battery power supply, load to 220V AC negative by the method the inverse transformation of the load, maintain normal work and protect the load of software and hardware is not damaged.
What's the difference between UPS and batteries? I mean, yes
According to the basic application principle, UPS is a power supply protection device with energy storage devices, an inverter as the main component, a voltage stabilizing and frequency stabilizing output. It mainly consists of rectifier, accumulator, inverter and static switch.1) rectifier: rectifier is a rectifier device, simply speaking, is the exchange of (AC) into direct current (DC) device. It has two main functions: first, the alternating current (AC) is converted into direct current (DC), filtered to supply the load, or the inverter is supplied; and second, a charging voltage is supplied to the battery. As a result, it acts as a charger at the same time;2) storage battery: the battery is UPS, used as a device for storing electrical energy, it is connected by several batteries in series, and its capacity determines the time of its maintenance discharge (power supply). Its main functions are as follows: 1 when the city power is normal, the electric energy is converted into chemical energy and stored in the battery. 2, when the city power fails, the chemical energy is converted into electrical energy to provide the inverter or load;3) inverter: in popular terms, an inverter is a device that converts a direct current (DC) into an alternating current (AC). The utility model is composed of an inverter bridge, a control logic and a filtering circuit;4) static switch: static switch, also called static switch. It is a contactless switch. It is an AC switch made up of two silicon controlled rectifier (SCR) in reverse connection. Its closing and disconnection are controlled by logic controller. It is divided into two types: conversion type and combined type. The switched type switch is mainly used in two power supply systems. Its function is to realize automatic switching from one road to another, and the type switch is mainly used for parallel inverters and municipal power or multiple inverters.
UPS uninterruptible power supply, what are the common problems?
30 monitoring lens power supply are all 12VDC 1A, the total power 12v*1A*30=360VA, monitoring host power rating 350W, display maximum power 220V*1.2A=264W, Video Splitter and screen splitter power of a few watts to dozens of Watts
How to select the UPS power supply
The various functions mentioned above can require UPS to have the corresponding "intelligence", and a considerable part can be achieved by the after-sale service of the manufacturer or by manual means. Only a comprehensive assessment of the use requirements can be used to determine the UPS model to be selected.