UPS uninterruptible power supply has become the current data center of the important equipment, understanding
UPS work Mode UPS is a basis for daily maintenance. The following according to the different electrical environment, said
UPS uninterruptible
UPS is a high-quality, high-reliability independent power supply, is a static type of battery uninterruptible power supply device. It consists of a rectifier, an inverter, an AC static switch and a battery pack. At ordinary times, the mains power through the rectifier into a DC battery floating charge, while the invert
The ups ac power supply system is different from the conventional-48 v dc power supply system, which features the UPS power supply equipment has the initial phase angle and frequency synchronization requirements, and the output voltage is high, supply voltage for the AC 380V
The main working process of UPS power supply is filtering and rectifying inverter. In addition, it also includes many auxiliary units, such as charger and battery, microprocessor, and communication interface. Because the UPS power supply is installed between the device and the mains supply, it can filter out the electr
UPS Power is what is actually not a special understanding for most people, today I will explain from three aspects of UPS power is what.First UPS English full name is "uninterruptible power supply", that is, the Chinese uninterrup
Enterprise Data Center is now more and more important, how to ensure the stable operation of enterprise data Center has become a key factor, UPS is currently a lot of enterprises in the data Center standard accessories, then how to choose a suitable enterprise application of UPS power.
categories of UPS
In general, th
The output capacity of UPS refers to the product of the valid value U of the output voltage and the valid value I of the output current. Power Factor cos Phi refers to the ratio of active power P output by UPS to nominal view in power S, which can be expressed as cos Phi = P
APC Smart-ups SC is ideal for small and medium-sized enterprises, protecting entry-level servers and network devices from power disturbance and power failure. The Smart-ups SC provides network-level running time, hot swappable battery, and built-in data line protection devices. uninterrupted
The purpose of testing the UPS power supply is to determine whether the practical technical indicators of UPS can meet the requirements. UPS testing generally includes both steady-state testing and dynamic testing. The steady-state test is performed under no-load, 50% rated load, and 100% rated load conditions, test th
Full-Power UPS power Battery (lead-acid battery), not connected to any load (equipment) vacant about six months after the battery must be recharged to avoid damage to the battery. A battery with a load discharge to a low electric state must be recharged within 72 hours after the battery is discharged to avoid battery damage.
UPS is an independent power supply with high quality and high reliability. It is a static and uninterrupted power supply device for battery. It consists of a rectifier, an inverter, an AC static switch, and a battery pack. In normal times, the mains supply changes to DC for battery floating charging, And the inverter outputs high-quality AC purified
Note: AllCodeProvideSource code(. H,. cpp file), rather than DLL or component form. Download demoProgram Download the related DLL (if the DLL component is missing, download this)Development Environment: Windows XP + SP2 visual c ++ 6.0 + SP6 visual c ++ 2003/2005 evc4.0 + SP4
Running platform: Windows 95/98/2000/XP/Vista window mobile 5/6 Windows CE 4.2/5/6
1. wince full screen display;
2. Hide the wince taskbar;
3. wince starts the program with the system;
4. wince gpio operations and cont
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