2014年9月9日星期二

Only the power factor and the phase difference between current and voltage related to ρ

B only with the power factor phase current (fundamental) and voltage, but also to the pulse width relating to the current, even if the pure sine wave online ups  current (fundamental) and the voltage phase difference between the b = 0, i.e., the current (fundamental) and the center line coincides with the voltage based on the calculated F (a) still is not 1, and with the current pulse width is narrowed due to decrease relatively Online ups  steep leading edge of the current pulse, so that the harmonic frequency of the current is relatively high offering rich , space launch ups solar power capability to offer relatively strong. 
If the UPS input circuit is a diode rectifier or a thyristor rectifier, the power factor thereof is not caused by a phase difference, but by strong interference caused by a current pulse. These high-order harmonic currents all the way to form a series mode interference Shao fleeing through electrical equipment, another way out in the form of electromagnetic radiation, the formation of RF interference nearby devices, especially so that the radio communication can not be normal.

2014年9月1日星期一

UPS applications in the telecommunications industry

UPS applications in the telecommunications industry UPS uninterruptible power prices in the emerging industry is rapidly foster the rapid development of the background, the rapid development of big data, smart cities, urbanization, 4G will detonate UPS and other hot new growth markets. Big Data is a sunrise industry, will drive data center  pure sine wave online ups infrastructure and related software explosive growth, data center environments for enterprise deployments also make the appropriate change and innovation, for UPS manufacturers, opportunities and challenges. UPS uninterruptible power prices in the wisdom of many of the city's construction around the digital and information technology to transform the Pure sine wave ups data room for the construction and communication infrastructure to carry out. Both ends of the nerve endings in the smart city (data acquisition, the home communication terminal), or for the nerve / nerve fibers to transmit data, or the neural network (the core of the handling end, an information storage), there are many aspects of UPS manufacturers can the as. Urbanization will promote the application of UPS market in transport, electricity, public services and other industries.

2014年8月25日星期一

telecom ups as a protective power equipment

UPS as a protective power equipment, computer ups power supply  it is important performance parameters should be considered when purchasing our focus. Mains wide input voltage range, it indicates that the ability to use mains strong (to reduce battery discharge). Output voltage, low frequency range, it indicates that the adjustment ability of the mains, the output is stable. Waveform distortion rate used to measure the stability of the output voltage waveform, and voltage stability is illustrated by zero when the UPS load is applied suddenly full load, emergency power ups output voltage stability.
Telecom ups as a protective power equipment from the basic application in principle, UPS is a storage device containing, as the main component in the inverter, power protection devices output voltage constant frequency. Mainly consists of several parts rectifiers, batteries, inverter and static switch and other components.

2014年8月7日星期四

Home inverter ups : Application household inverter UPS

Home inverter ups : Application household inverter UPS: Home inverter UPS is to take advantage of centralized string inverters and inverter, home inverter UPS to avoid its shortcomings, offline UP...

The practical application of telecom UPS

Telecom UPS is connected to one of each PV module inverter, telecom UPS and each component has a single maximum peak power tracking, so that the components fit better with the inverter. Telecom UPS typically used photovoltaic power stations, the overall efficiency of less than string inverters. Outdoor cabinet it is in the exchange at the parallel, which increases the complexity of the AC side of the connection, maintenance difficulties. Telecom UPS need to be resolved is how the other more effective and power grid, the simplest way is directly carried by an ordinary AC outlet and network, so that you can reduce installation costs and equipment, but often safety standards around the grid may allowed to do so, Telecom UPS may oppose power plant and the Pure sine wave ups is directly connected to an ordinary socket. Another relevant factor is whether you need to use and safety isolating transformer (high or low frequency), or allow the use of transformerless inverters.

2014年7月24日星期四

Application of telecom companies and offline UPS

Telecom and offline UPS: usually in the ups battery state of charge, the offline UPS in power inverter emergency switch to working state, the direct currentchange battery provides for AC output stable, so the backup UPS is also known as the offline UPS. Advantages of UPS backup UPS power line is: high efficiency, low noise, the price is relatively cheap, off-line UPS is mainly applied to city waves moving little, offline UPS on power quality requirements are not high, the telecom company tip: offline UPS more suitable for home use.However,emergency power ups the UPS has a switching time, therefore not suitable for use in power supply can not interrupt the crucial place. But in fact the switching time is very short, the offline UPS generally ranged from 2 to 10 ms, and the switching power supply of computer itself in power should be maintained around 10 milliseconds, so the personal computer system is generally not because theswitching time and problems. high frequency online ups backup UPS generally only a few minutes to tens of minutes of continuous power supply, is mainly lets you havethe time to backup your data, and finish the work as soon as possible, the price is low. The computer application is not too critical, such as individual home users, you can backup with small power UPS.

2014年7月15日星期二

The actual application of hybrid solar power generation system

Usually equipment hybrid solar power system indicated the power or the rated power, the output power of the hybrid solar power system shall make all received UPS equipment rated power added up to no more than UPS, Home ups this method is often called a UPS output power and power consumption of the matched load. hybrid solar power system but start power some devices is several times the rated power. For example: telecom ups the rated power of printer is according to the conversion in the calculation of load matching. Home ups In addition to other computer peripheral equipment telecom ups other than the printer, telecom ups power inverter UPS usually start telecom ups power is slightly larger than the rated power, Home ups so it is considered the best matching according to the UPS output power load matching. telecom ups Standard UPS without external battery, MPPT inverter and power inverter UPS in its output power and load power match the load from the power interruption, Home ups generally it can supply about several minutes of each specific numerical models of the UPS instructions are written. Home ups Half of the hybrid solar power system and power supply inverter UPS to load power consumption is only UPS of output power, Home ups used to call the half load or load rate, Home ups can supply the extra minutes, Home ups different power inverter load on the UPS UPS power supply time about half time double reference load calculation. MPPT solar inverters and hybrid solar power generation system using cautions for correct use of UPS power supply,telecom ups not only can reduce the UPS chance of failure, Home ups but also can effectively prolong the service life.

Online offline UPS UPS to the role

Online offline UPS UPS adaptation range is different, change UPS online offline UPS output voltage in the + 10-15% of the general normal computer use voltage. When the city electricity exception or interrupt,telecom ups online offline UPS UPS immediately in the machine battery electric energy supply computer system through the inverter,Uninterrupted power supply soft hardware online offline UPS UPS to maintain the normal operation of computer system and to protect the computer from loss. The classification and characteristics of solar power system for outdoor and UPS UPS power according to the working mode can be divided into online and off-line two categories, online offline UPS UPS according to the output waveform can be divided into square wave and sine wave outputs two.telecom upsUninterrupted power supply Online UPS UPS offline backup online offline UPS UPS power supply in the electric power supply is normal,telecom ups Uninterrupted power supplythe city electricity through the exchange of the bypass channel again after the switch directly to the load power supply,telecom ups inverter machine in a stopped state. The outdoor solar power generation system in the UPS power substantially equivalent to a voltage range of power regulator. Outdoor solar power system and online offline UPS UPS it in addition to the city, pure sine wave online UPS fluctuation of voltage has improved, adverse effects of online UPS offline UPS in voltage frequency instability,Uninterrupted power supply Uninterrupted power supplywaveform distortion as well as from the string into the power grid disturbance basically did not have any improvement.telecom ups Only the solar UPS when the power supply is interrupted or below 170V, pure sine wave online UPS battery to online offline UPS UPS power supply, Uninterrupted power supplyand provides stable, stable frequency AC power to the load.telecom upsUninterrupted power supply Advantages of solar power generation system backup online outdoor UPS off-line UPS power is high efficiency, low noise, Uninterrupted power supplythe price is relatively cheap, solar UPS is mainly applied to city waves moving little,telecom ups online offline UPS UPS on power quality requirements is not high. Online online offline UPS UPS power supply in the electric power supply is normal, the first commercial AC power into DC power supply, Uninterrupted power supplythen the pulse width modulation, filtering, and the DC power to AC power supply, which is usually composed of alternating current through the rectifier and inverter to the load by way of AC power supply. solar UPS and online offline UPS UPS once the power interruption,telecom ups solar UPS immediately replaced by battery with the inverter to provide AC power supply load. Therefore, pure sine wave online UPS for online UPS power supply, under normal circumstances, online offline UPS UPS with or without electricity,Uninterrupted power supply it is always a UPS inverter power supply power to load, thus avoiding all brought by the electric power grid voltage fluctuations and disturbances.

2014年7月14日星期一

AC-to-DC power practical


AC to DC power supply: high quality imported IGBT is used as the main power devices, AC to DC power to Nanocrystalline (telecom ups )-based soft magnetic alloy transformer core, the main control system uses a multi-loop control technology, structure acidification on the measures taken by the anti-salt spray. Power reasonable structure, computer UPS power supply AC-to-DC power supply and strong reliability. The power of its small size, light weight, high efficiency, high reliability superiority of SCR power supply replacement products. AC to DC power applied to the experiment, oxidation, electrolysis,telecom ups zinc, nickel, tin, chrome, optoelectronics, smelting, into a variety of precision surface computer UPS, corrosion and other disposal sites. In anodizing, computer UPS power vacuum coating, electrolysis, electrophoresis, telecom ups water treatment, electronics aging,telecom ups  electric heating, electrochemical and other aspects have also been users alike. telecom upsSolar-powered UPS AC to DC power supply, electroplating,telecom ups  UPS solar-powered electrolysis industry sectors, telecom ups as many customers preferred source products. Computer AC to DC power supply UPS lower porosity, the rate of formation of nuclei is greater than the growth rate,telecom ups to promote nucleation refinement.AC to DC power supply to improve adhesion,telecom ups the computer UPS AC power to a DC power breakdown in the passivation film, a strong bond between the beneficial and the substrate layer.telecom ups Improve the coverage and dispersibility, high AC to DC power supply negative cathode passivation potential so that ordinary plating deposition site can mitigate the protruding telecom upsparts form part due to the deposition of complex ions bring excessive consumption "burningtelecom ups dendritic" deposition defects, to obtain a given thickness of the coating properties can be reduced to the original,telecom ups  AC-to-DC power saving raw materials.telecom ups Solar-powered UPS and UPS power supply computer coatings reduce stress, telecom ups improve lattice defects,telecom ups  impurities, voids, build-up, etc.,(telecom ups ) easy to get crack-free coating, reducing additives. telecom upsAC to DC power supply is conducive to the stability of the alloy coating composition obtained. Solar-powered UPS UPS and computer power to improve dissolution of the anode, the anode without activator. AC to DC power telecom ups supply of the coating improved telecom ups mechanical properties, such as increasing the density and reducing the volume resistivity of the surface resistance,telecom ups improved toughness, wear resistance, corrosion resistance and hardness of the coating can be controlled.

2014年7月12日星期六

Practical application of computer UPS power

Computer UPS Power: simple on-line interactive UPS structure, easy to implement, and easy parallel, ease of maintenance and repair, high efficiency, low operating costs, high machine reliability, the telecommunications company's computer UPS power load to meet certain performance requirements , especially for some of the computer equipment in the network using a distributed power system. such shortcomings power regulator performance is not high,telecom ups  especially for low speed dynamic response, telecom upsfollowed by anti-jamming capability is not strong, the circuit will produce harmonic interference and modulation interference.
Telecom: passive standby power inverters and UPS Line Interactive UPS structure is relatively simple, easy to implement telecommunications company, telecom ups and easy parallel, telecom upsease of maintenance and repair, high efficiency, telecom ups low running cost computer UPS power supply, telecom upshigh machine reliability performance meet certain load requirements, especially for certain computer in the network line-interactive UPS structure is relatively simple, easy to implement, and easy parallel computer UPS power supply for easy maintenance and repair, high efficiency, low operating costs, telecommunications companies computer UPS power machine high reliability UPS emergency power load to meet certain performance requirements, especially for some of the computer equipment in the network using a distributed power system.telecom ups such shortcomings power regulator performance is not high, especially dynamic response speed is low,telecom ups  followed by anti-jamming capability is not strong, the circuit will produce harmonic interference and modulation interference.
Passive Standby UPS UPS power supply and computer power inverters connected in parallel between the mains and the loads, only briefly as a backup power source. Such computer UPS UPS power supply, emergency power supply UPS in the mains is normal, load full mains powered directly, without any power conversion inverter, battery charger powered by an independent; when the electricity is not normal, the load from the computer to provide power inverters UPS power back-up UPS with passive structure.telecom ups telecom ups simple, inexpensive computer UPS power prices, etc.,telecom ups  can be used in emergency power UPS certain non-critical loads, such as home computers, etc. But in the city is not normal, telecom upsthe relay will switch the inverter to the load, the switching time is longer, it normally takes several emergency power UPS uninterruptible power supply UPS and the computer, so a little important computer equipment should choose passive-standby UPS. equipment using distributed power systems.telecom ups  drawback UPS emergency power supply is regulated performance of this not high, especially for low speed dynamic response, followed by anti-jamming capability is not strong, the circuit will produce harmonic interference and modulation interference.

UPS power is the role of the computer?

Computer UPS power: when the normal electricity, telecommunications company's computer after UPS power mains rectifier power to the load from the inverter; mains power is not normal, the storage of electrical power to the load via the inverter, no conversion time of it. telecom ups input and output links are controlled independently of each other,telecom ups so the ability to adapt to the mains input is very strong, especially reflected in the ability to adapt to changes in frequency.telecom ups telecom ups line UPS power output is high-quality sine wave AC power supply,telecom ups  frequency and voltage stability,telecom ups  the precision is very high.telecom ups Moreover, the telecommunications company computer computer UPS power supply due to the on-line UPS power supply input filter,telecom ups a telecommunications company computer UPS power supply AC mains input filter becomes rectified DC,telecom ups  and then by the inverter output sine wave inverter output filter through the power of the highest quality, computer UPS power protection performance so that the output of the best of the ability to suppress noise and surge mains strongest.telecom ups telecom ups line interactive UPS power the inverter is connected in parallel between the mains and the load,telecom ups since the role of back-up power,telecom ups  while the inverter as a charger to charge the battery through the inverter reversible operation mode,telecom ups telecom ups interactions with electricity, telecom ups computer UPS power supply and therefore action is called interactive such UPS, normal in the city, the load from the power supply through the city improved, while the inverter as a charger to charge the battery, the computer plays a UPS inverter power converter;telecom ups when the electricity is not normal, telecom ups the load is completely powered by the inverter, inverter plays the role of a computer UPS power converter.

2014年7月9日星期三

ndustrial UPS power role?

Industry: UPS power matching load, according to the load rate is converted to load 80% 640W matched UPS, power industry if overload, in the inverter state, often caused by inverter transistor breakdown. In addition, when using UPS, such as fluorescent lamps with inductive load,telecom upstelecom ups  and capacitance can be electric or small load industrial UPS power switch machine should pay attention to the switch machine order:telecom ups boot industrial UPS power, then 1 - 2 minutes the best lag, filled with UPS input working condition, telecom ups then turn on the power switch, load, and load the power switch to open each: a power shutdown in reverse order,telecom ups  switch,telecom ups telecom ups load switch, telecom ups  and then close UPS.telecom ups  The UPS must be in the boot state for a long time, but the computer load every time you want to use the boot, shutdown, as long as the load power switch. UPS power is not frequent open and close the UPS power supply. In the general requirements for closure of UPS power supply,telecom ups  wait at least 6 seconds, re open the power supply of UPS, telecom upstelecom ups otherwise,telecom ups telecom ups UPS power can be in "failed to start" state, this is the UPS power without city power output is not output inverter in normal ondition. UPS cell UPS power line: in power may be due to some reason or nearly depleted depletion.ups compensation and increase the battery life of the battery energy, industrial UPS can long time charging power supply,telecom upstelecom ups  generally not more than 48 hours, with or without load,telecom ups avoiding the fault caused by the battery failure. The new purchase or stored for a long time, before use, should first industrial UPS power source,telecom ups  charging 12 hours. Unused UPS long-term storage,telecom ups  every 3 months, charging 12 hours,telecom ups in the high temperature zone of the online UPS, each charge 2 months. UPS online is not charging, will damage the battery.

2014年7月2日星期三

Computer UPS power supply?

  The computer UPS power supply, namely, uninterruptible power supply, the battery is lead-acid maintenance free storage battery which is connected with the host machinethrough the host module,telecom upstelecom ups inverter circuit to DC conversionpower system equipment. The power supply is mainly used for a single computer, computer network system or otherpower electronic equipment to provide steady, uninterrupted.When the power input is normal, computer UPS power supply will electric voltage supply to load, the UPS is an AC voltage regulator, and it is also the built-in battery charging;when the telecom upspower outage (outage), UPS will immediately DC battery energy, continue to supply 220V alternating currentto the load through the method of inverse zero switchingconversion, so the load to maintain the normal work andprotect the load of soft,telecom ups hardware is not damaged. The computer UPS power supply equipment is usually the voltage was too high or too low can provide protection.

The role and understand switching power supply?

   Switching power supply is also called the exchange type power source,switch converter, a high frequency power conversion device. Switching power supply is the use of modern electronic technology, the control switchturn-on and turn off time ratio, maintain a stable output voltage power supplies, switching power supply from the general pulse width modulation(PWM) control IC and MOSFET. Switching and linear power supply compared, two costs are increasing with the increase in power output, but two different growth rate. Power costs in a linear output power point, rather than switching power supply, this point is called cost inversion point. With the development of power electronics technology and innovation, making switching power supply technology is also in constant innovation. Switching power supply with the characteristics of small size, light weight and high efficiency by the electronic equipment is widely used in almost all, switching power supply and pure sine wave UPS is a kind of power supply in the way of the rapid development of electronic information industry indispensable.