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UPS Battery maintaining status and solutions

Posted by admin on November 05, 2009
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The need for maintenance of UPS batteries

 

An uninterruptible power supply (UPS), batteries can be considered the backbone of this system, there is no UPS batteries can not be called a stabilization of the voltage regulator frequency (CVCF) outlet. While UPS inverter can be reached, because of the battery, electrical anomalies in the city when the drive directly the chemical energy of the Laptop battery electric power, transportation outside the exchange, use the continuous operation of equipment Power to continue.

 

At present, widely used in small and medium UPS Power Supply Maintenance-free sealed lead-acid batteries, which accounts for the power of UPS’s total cost 1/4-1/2 as much, not only that The repair itself also shows that nearly 50% or more of the power outage in connection with UPS battery UPS. UPS battery failure occurs mainly enough voltage, capacity, inadequate or transient discharge current is configured to boot does not meet requirements.

 

The normal use of the UPS, the battery life of 5 years or more, but a considerable part of the internal IBM ThinkPad T42 battery of the UPS is placed in service for less than a year started having problems worse, some imported brands and the manufacturing process of household batteries there are birth defects, the other is due to lack of maintenance necessary to cause acquired. It is worth noting that many use unit tests due to lack of maintenance actions required are not clear about their health system, for systems UPS battery UPS to work to stay hidden .

 

Use one to five years batteries, do not use it? Spent half a year if the battery can certainly be used? UPS battery is provided by the supplier must be good? — The necessary testing tools.

 

“A mouse, a pot of soup bad, drums festival dozen rounds, until a premature damage, not detected in time, then over time, other cells followed discarded. – Screening early.

 

Many UPS failure, the first is expensive to put the battery because the battery voltage due to various reasons, firstly reduced while maintaining the appropriate detection means, people did not. Spending tens of thousands of establishing back-up power system, due to the Dell Latitude D800 battery state of uncertainty, where the system failures, it is important to data loss, the consequences are unthinkable and its huge loss, with tens of thousands of people, far from being able to make money.

 

The state had known!

 

UPS battery test and maintenance of traditional methods of

 

UPS General Power requirements of the battery: in response to a voltage across some, the battery should be able to start the moment the output of high-current discharge characteristics, to meet a certain capacity to ensure Power Supply Inverter time.

 

1, with the multimeter measures the battery terminal voltage

 

Practice has proved that with a multimeter measuring UPS battery float voltage is unable to determine if the old battery is no longer valid. Thus, generally off-line or on-line measurement of the voltage across the hp F4486B battery, the battery terminal voltage measured is about 12V (12V for the battery case) and the minimum may not be less than 10.5V. Must be less than 10.5 V battery voltage, battery or has expired. If the battery charge after charge or activate the back-end voltage still can not reach 12V, the battery must be valid.

 

2, to test whether the UPS batteries to start an Instant high-current characteristics of output

 

UPS Off-line power by the municipal power supply power inverter switching time requirements of less than 7 ms, generally designed to be about 4-5ms. This means that, once the interruption of electricity supply, UPS batteries must be less than the 4-5 ms time required for the output load current. Failure to respond to some of the voltage across the battery capacity needs, but not less than 4-5ms-current in the discharge current to meet the requirement for substandard batteries. UPS Batteries major characteristics of the instantaneous current production in the closure of the power to test sony VGP-BPS2A battery performance without knowing the circumstances, there is a certain degree of risk, is generally not performed.

 

3, determine the battery capacity of the UPS

 

UPS battery capacity of traditional discriminant and determine the same manner as ordinary batteries, the entire group of system battery power supply and resistance of wire communications, eight or 10 hours rate constant current discharge, and then the first to reach the end voltage discharge of a particular time of battery discharge current monomer and to project their capacity.

 

The ability of traditional test offers the following advantages:

 

take the battery system, increasing the risk of system crashes;

 

discharge time, and the need to manually test cases, heavy workload, in addition to the UPS batteries are typically installed on the box-office type, the test is not easy;

 

wire resistance and is red-hot phenomenon of intensity bulky, dangerous work.

 

Maintaining the status quo of the internal battery UPS

 

UPS battery care and general maintenance of the low pressure system similar to the toshiba PA3465U-1BRS battery, when the introduction of new batteries, to require acceptance of the internal resistance of the battery voltage, test simultaneously ensure that their resistance internal consistency, and when the new battery into service, requires the maintenance of working environment suited to the battery temperature, require regular measurement of the voltage across the battery internal resistance, when the battery internal resistance or pressure is too great, it is necessary to have sufficient and regular deep cycle battery to verify battery performance priority poverty and the maintenance of cellular activity.

 

But the practical application, due to various conditions, limitations, UPS battery in full conformity with the maintenance of very few people mentioned above, the tools of first acceptance of a new battery, because of long time nor convenient to use, a considerable number of people do not This work will build on the battery in use, according to statistics, mainland China, approximately 95% of the UPS batteries lack of necessary maintenance UPS power supply for the future that the fault was concealed; Secondly, the new battery into service, because of the UPS battery is generally installed in the cabinet, the measurement is not out of convenience, low internal resistance and voltage measurement in accordance with existing conditions (98% or more of the UPS battery is not installed surveillance equipment), the majority of maintenance personnel can perform that at intervals of time, cut electricity to UPS batteries on the actual length of time of discharge system, at best, do click on the battery pack activation to maintain cell activity, and the battery performance and the advantages and disadvantages of remaining battery capacity and other important data, or no way of knowing.

 

Battery Maintenance UPS solution

 

Smart Battery Status Test and Analysis System Introduction

 

How to establish a set of valve-regulated lead acid batteries and effective maintenance and management methods, has been the large number of issues of concern to maintenance personnel. Recently, Pu Lu, Shenzhen Branch Intelligent Test Equipment Co., Ltd. has introduced a battery to maintain a comprehensive solution to address the current lack of necessary maintenance means UPS battery and tools, you can not only test Battery performance, look behind the monomer, but also on drums early warning, and effectively prevent the occurrence of defects, the effect well, here special to recommend it to customers to help establish an effective method for battery maintenance.

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The development prospects of the hydrogen fuel battery vehicles in China

Posted by admin on October 22, 2009
Digital battery / No Comments

1. Motor fuel battery hydrogen to promote the constraints

 

While battery vehicle hydrogen fuel in protecting the environment has a great advantage, but it is still in early stages of development. The main factors limiting the development are:

 

(1) Production costs are high: At present, the source of hydrogen is natural gas in general and biogas. In addition, hydrogen and oxygen by electrolysis of water extracted hydrogen separation. The energy can produce electricity from coal or nuclear reactors to generate. Because the extraction of hydrogen consumption of other energy needs, so if the use of coal, natural gas, methane and other hydrocarbon fuels to extract the hydrogen, it will emit greenhouse gases emissions. Using wind and solar power can solve this problem, but the high cost of such a development mode, causing the cost of hydrogen fuel Laptop battery car. In addition, a number of ancillary facilities such as construction of refueling hydrogen have to charge a certain time.

 

(2) The energy density of small and inconvenient storage and transportation: problems of storing hydrogen fuel, there are leaks and gasification of issues, including the blast, quenching, when the fuel of Other issues to resolve.

 

In conclusion, low-polluting hydrogen fuel, however, but the difficulties of storage, there are leaks and gasification of issues, including the blast, quenching, when fuel and other issues to resolve. There are many methods of producing hydrogen, but only in the settlement of its costs, storage issues such as possible after the batch used.

 

2. Accelerate the Promotion of Countermeasures vehicles to hydrogen fuel IBM ThinkPad T40 battery

 

Development suited to national conditions of China, environment friendly, inexpensive and efficient production of large-scale hydrogen

 

According coal resources, China and characteristics which should focus on the development of efficient and low gasification of coal pollution, large-scale centralized hydrogen production, it is necessary to strengthen the process of coal gasification , CO2 capture and sequestration research, and should focus on strengthening the foundations of our country has a certain, with prospects for long-term development of renewable energy technologies for hydrogen. With the Dell Inspiron 8600 battery growing maturity of nuclear technology from China, nuclear power must be controlled and gradually explore production of hydrogen.

 

A. Development of efficient technologies for hydrogen storage

 

At present, the comparative study of China’s storage equipment hydrogen content of active research due to storage of hydrogen under high pressure, nanotubes of carbon storage of hydrogen, storage of the Hydrogen novel compounds of hydrogen storage, carbon storage gel hydrogen, glass microspheres for hydrogen storage, manure, hydrogen storage hydrogen storage of hydrogen and other layered compounds, the current international research and technology development of hydrogen storage, the main aspects of hydrogen storage in metal hydrides, the storage of carbon nanotubes for hydrogen, hydrogen storage and other aspects of complex compounds, have an advantage. In the future should also focus on development of novel metal storage alloy hydrogen storage of carbon nanotubes for hydrogen, high pressure hydrogen storage of liquid storage compounds of hydrogen technologies in the car as the systems of hydrogen storage to explore the layered compounds, hydrogen storage, the hydrogen clathrate hydrate, etc. technology.

 

B. Enhanced hp F4809A battery technology and hydrogen fuel battery vehicles to hydrogen fuel and related infrastructure, research and development

 

The development of a hydrogen economy is an important aspect is to develop energy systems and hydrogen infrastructure of hydrogen energy transportation. In batteries hydrogen fuel, our country could focus on development of high power proton exchange membrane technology for fuel batteries, low temperature oxide technology with fuel battery based technology fuel battery systems integration, the proton exchange membrane technology, electro-catalyst technology, Advanced membrane electrode technology component, not technology-platinum catalyst, while actively exploring bio fuel batteries, regenerative fuel toshiba PA3284U-1BRS battery technology, cold start (Start Cokd) technology research and development.

 

c. The strengthening of the hydrogen and fuel batteries as the core system of energy distribution of hydrogen

 

Because hydrogen and fuel battery has many advantages and features of decentralized energy supply, thereby strengthening the nucleus of hydrogen and fuel battery system of distributed energy has become the focus of research future international and development. The current formula of hydrogen and fuel batteries as the core of the system tends distributed energy development is the use of renewable energies, combined with hydrogen as an apple A1185 battery carrier, to fuel batteries as a tool conversion of energy to enhance the development of renewable energies.

 

d. attention to the economic development of hydrogen-related environmental issues and security

 

While hydrogen itself is a kind of green energy, but in the process of using fossil fuels, hydrogen production, storage technologies, if properly, there will be leaks CO2 in the atmosphere caused by rising greenhouse gas emissions. Hydrogen production, storage, transportation and use of fuel batteries to hydrogen, it is inevitably the process of hydrogen leakage. When released into the immediate environment of the hydrogen reaches a BATCL50L certain concentration, may be encountered by fire or explosion, where a strong chemical reaction, causing casualties and property losses. In addition, leaks in the atmosphere of hydrogen with the reaction of atmospheric ozone, the destruction of the protective layer of ozone in humans. Therefore, we must strengthen the safety-related hydrogen technology and the detection of hydrogen sensor, the potential accident scenarios on research technology.

 

e. effective to encourage companies to participate in hydrogen technology and fuel batteries, industrialization and commercialization of evolution

 

In accordance with the laws governing the functioning of the market economy, hydrogen technology and fuel batteries as the technology is mature, with the case of price competitiveness to win the contract to replace fossil fuels traditional and a number of relatively low efficiency use of methods of energy Dell HD438 battery conversion. It will be possible for firms to participate effectively in the development of hydrogen delivery prices competitive preparation, storage, transport and application technology and this was also the final decision of hydrogen to replace fossil fuels traditional key.

 

f. use government subsidies to promote hydrogen

 

To promote the use of the hydrogen society of the energy required to inform the public of the merits and use of energy security of the hydrogen to promote the understanding and use of the hydrogen energy. Meanwhile, the state should be presented to a policy of encouraging more efficient, for example, the State should be the use of VGP-BPS2B hydrogen government subsidies in order to effectively promote research on hydrogen energy and the development and implementation of the system.

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Five bad habits when using computer

Posted by admin on October 21, 2009
Digital battery / No Comments

Vices 1: Repeated Turn off the machine

 

Repeatedly switching the machine that has found this issue may occur if it is to understand computers, or do not include shrimp computer rookie, are likely to grow without knowing a bad habit. In fact, the computer startup and shutdown IBM ThinkPad R51 battery will not cause damage, but the time interval between the two is very worthy of our attention.

 

Frequent, short shock pulse voltage may damage the integrated circuits of your computer, secondly, the greater harm is the hard drive, hard drives are now high-speed hard drives, cut power to the disk complete cessation of rotation, requires a long time. If the drive does not stop change on re-boot, which is equivalent to the hard drive in a slow state of re-acceleration. If this continues, the impact of this will make your hard drive saved my life one day. With the development of technology, the stability mark the desktop has reached a very high level, so now the brand will be put up very little chassis RESET button, which suggests that if we plant the machine is the situation then we can forcibly shut down, therefore more likely to cause damage to Dell Inspiron 1300 battery the hard drive, so we must pay attention that we usually pass the operation of machinery, protect our computer.

 

Vices 2: never clean hard drive

 

To maintain the drive for order and cleanliness are our most basic steps of the computer. Drive long-term use is required to have accumulated a number of junk files and disk fragmentation, will organize the hard disk of debris on a regular basis, will be conducive to the release of hard disk space.

 

There are many users will not notice the hard drive order, because for the BATCL50L obvious things on the desktop and everyone can see too, but for those who can not see the debris and often do not this awareness.

 

Vices 3: Direct delete the folder

 

After installing the software, we usually have an installation directory for the installation files are in this case is basically the reason the word “primarily” in, because when the software or the game after installation The file will always be part of the information is stored in the system tray, if it is carried directly into the folder to delete, then let the hp PP2182L battery system tray of junk files piled up. Never delete the file directly

 

The system is generally provided to add and remove hardware function, use this function to delete the software is the most thorough.

 

Vices 4: Installing things by default for the system drive C

 

During operation of the computer, when the most basic courses, software installation, if you tell me not to install the software, then I collapsed. If you tell me it’s very simple, just select Next and then conducted a Gaoding, then congratulations, system tray will be filled in the near future, the system will be very slow, and there may be a complete collapse.

 

Generally, whether to download the software or develop their own CD-ROM drive for installation, the system will be installed by default in the C drive is the drive system, lack of disk system will lead to many problems, I once encountered a similar problem. A friend’s computer can not enter the system, and I’m finally end in the other system software, was surprised to see the C drive only a few megabytes of space, so I really afraid of people, they also advise everyone to install the software when the ordinary to have a good habit.

 

Vices 5: over-charging Laptop battery

 

Historically, outbreaks of lithium batteries portable occur frequently, but also no shortage of managers, the branded products. These events in the industry are also swirling speculation. Many airlines have imposed a ban on carrying a laptop with the apple M8403 battery from the aircraft. For a while, the battery has become hateful to everyone across the street rat. In addition to the quality of the battery itself, in fact, the use of man-made habits is also very important.

 

We all know that the battery is a consumable, a range of 1-3 years in general, of course, good, there are also over time, while the battery life and is closely linked to the habitual use . There are many users often use the laptop when the battery has been installed on the laptop, almost never disconnected, so that a decision appears to avoid complications, but it ruined the sony VGP-BPS5 battery life of several months or more. Now the notebook world outside surface except a few, most laptop batteries do not have adequate protection measures, Chong Man-power battery after recharging the battery will always l ‘State, so that the battery life is dependent on several occasions a sharp decline, severe may be due to overheating of the battery and burning.

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