Phase Scientific

Alfo electric manufacturer of all kind of automatic / servo controlled voltage stabilizers, air / oil cooled servo voltage stabilizer & aluminum foil transformers /isolation transformers, (range 1 kva to 1000 kva). Alfo servo voltage stabilizer is designed for stabilizing ac voltage and made with advanced technology and on the basis of your country national conditions. It can keep output voltage in steady state automatically when the power voltage fluctuates or the load current varies. Compared with other voltage stabilizers, it has the advantage of large capacity, high efficiency, no wave form distortion, stable voltage adjustment, suitability for kinds of loads, bearing instantaneous overload, working continually for long time, as well as free transferring between manual control and automatic control, etc, besides, it is provided with protection against over-voltage, over current, phase failure and has following merits: small volume, light weight, convenient installation and reliable running and so on. Application (servo stabilizer): Alfo servo stabilizer can be applied to large type electromechanical equipment, metal processing equipment, production line, construction device , elevator, medical equipment, equipment of light and textile industry, air-condition, household appliance and lighting used for industry, agriculture, traffic, military, railroad, scientific culture, etc, where need voltage stabilization. Customized

MTT series on-line intelligent digital UPS congregates the essence of Baykee technology and entirely broke the bottleneck technology in traditional simulation circuit era. It adopts the digital control technology, of which the core is high-speed MCU and CPLD and takes the sixth generation low-exhaust and big-power IGBT and static switch as power components. Guided by these most advanced technologies in the world, it is really the first class product MTT series UPS also adopt 4 layer PCB and larger power. The capacity can be from 10~400KVA, widely applied in the telecommunication, bank, stock exchange center, transportation, electricity, industry etc. B) Six technologies crystallization which breaks the profession power limitation Full digital control system Advanced digital electric circuit system and super stability í(Intelligent battery management MTT series UPS brings in advanced intelligent battery management system. This system will automatically adjust battery charge parameters according the userí»s battery configuration, and can achieve batteryí»s float and boost conversion, temperature compensation and battery charge& discharge management according to the power supply environment. Provides intelligent detection for whole process. The system microprocessor will continuously detect on line all powerí»s supply working status, breaker status, and all circuits working status. Any failure occurs, the detecting system will immediately alarm to the runner, while synchronously starting-up UPS protection function. Provides intelligent communication for long-distance monitor 1. RS232 and RS485 interface realizes multi-communication and long distance monitor. 2. The choice SNMP card 100% carries out long distance supervision and network management; 3. The choice dry contact connection, adopting non source contact, efficiently carries out the supervision and control of the UPS status. High precision SMD technology MTT series UPS replaces traditionally insert electric circuit processing with high precession SMD technology. This innovation not only save the space but also drastically eliminate the distortion of insert components in traditional UPS circuit. Whatí»s more, it ensures the integrate circuit a safe operation and enhances its reliability & operation precision. MTT series UPS, widely using SMD technology, is heat-resistant, highly accurate and also has an excellent filter, which greatly improves the whole performance of the UPS. It is more durable and its lifetime is prolonged by 80%. Sixth generation IGBT, the high-speed static switch and higher reliability High-speed switch feature of IGBT; High voltage and large current; adopting voltage drives, only needs little control power. With much lower saturation voltage, the inverter AB working efficiency much higher temperature lower, more reliable. Ultra-clear interface information processing technology makes communication between human and machine smooth. It provides humanized big screen LCD in both Chinese and English, intuitive view of intelligent icon status of the flow chat, tabular data, events records and menu operation in both Chinese and English. It provides clear intuitive view for the LED work state and work flow. Decisive environmental protected and economized technique According to the scientific life cycle evaluation, the MTT series adopts the touch screen whose anti-aging function is excellent and the Cabinet external appearance which is fluorine carbon craft processed, which is environment protected and durable, It adopts dismountable modularized design which is easy to protect and save the resource, and new type of vortex fan who has a excellent performance of radiation and energy conservation. It introduces NO-circumfluence control circuit which is excellently energy-saving and green commutate and athwart technology which can provide clear energy. Also it brings in advanced digital circuit and high pr¿ªcised SMD technology, which prolongs the UPSí»s lifetime by 80%. C) Other functions í( Superior load It is completely capable to load from 0-100% while no need to change to bypass, which make sure the output reliable. í( Perfect protection. It has output over/low load protection, Input surge protection, phase sequence protection; battery over charge/discharge protection; short circuit protection; over-temperature protection and so on, as well as alarming function. High dynamic performance. Adopting kinds of feedback control such as instantaneous control method and valid date, it achieves high dynamic adjustment and reduces the output THD. Phase-to-phase stabilizer Independent phase-to-phase control realizes the control of instant over-loading balance, so as to reach O/P 100% unbalance load. Optional input harmonic filter and 12 pulse rectifier effectively restrain the input THD; Raise UPS input power factor, reduce the input THD current. Optional battery detecting module able to test the single parameters, and display on the LCD. If battery failure it will alarm to runner. Size(W*D*H)mm 1380*950*1800 Weight(kg) 1520

GF102 series portable single phase energy meter test bench used to test 1pc or 3pcs single phase energy meter or AC meter at same time. Adopt mature signal synthetic and power amplifier technology, high precision voltage source and current source output from 120A/600V. Widely used in lab and field, and then as single phase standard source. It is suite for electricity meter manufacturing enterprises, scientific research institutes, metrological service institutions, electric power companies etc.

GF102 series portable single phase energy meter test bench used to test 1pc or 3pcs single phase energy meter or AC meter at same time. Adopt mature signal synthetic and power amplifier technology, high precision voltage source and current source output from 120A/600V. Widely used in lab and field, and then as single phase standard source. It is suite for electricity meter manufacturing enterprises, scientific research institutes, metrological service institutions, electric power companies etc.

The ANFP series programmable AC power supply adopts FPGA digital control, instantaneous waveform control and high-frequency pulse width modulation (SPWM) technologies. It has the advantages of fast response speed, high output accuracy, and superior waveform quality; it can withstand 3 times the rating Current impact capability, strong load adaptability; with multiple output modes and complex programmable functions, which can achieve test requirements such as ladder, step, gradual change, etc.; with three-phase unbalanced output mode, to achieve relevant regulatory tests or simulate special power grids And so on. It can be widely used in laboratories, quality inspection units, scientific research institutes and certification centers. Features: 1. Adopt FPGA digital technology, realize accuracy control and high quality sine wave output; 2.Advanced power management mode: three-phase standard mode, three-phase unbalanced mode (three-phase voltage can be adjusted independently, phase difference 0~359.9�° adjustable), three-phase independent mode (three-phase voltage, frequency, can be adjusted independently) Parallel single-phase mode (three-phase parallel, single-phase output); 3.Programmable step, stage, varations function, can realize relevant regulations; 4.Harmonic function,2-40 times superposition; 5.Operating in over current shock (up to 3 times of rated current)within 2s, start the impact load of 1/3 capacity of power supply directly; 6.Adjustable voltage and frequency during output status, frequency change without transit time; 7.Measurement: voltage, current, current peak, frequency, active power, apparent power, power factor, voltage peak factor; 8.Online monitoring: monitor IGBT temperature, transformer temperature, fan speed, input voltage and other parameters during output status; 9.Operating data recorders: keep the record of power supply status and alarm code automatically during alarming, save the maintenance time; 10.Fan speed will be adjustable automatically with the temperature of power supply to reduce the noise; 11.Lock key, user-friendly design, automatically locking without operation for 5 minutes to prevent from operation mistakes; 12. Combination cabinet, 8" large-screen color LCD; 13.Standard RS232, optional RS485, GPIB, Ethernet, analog control and other remote communication/control. Application: 1. Output mode management (standard three-phase output, separated three-phase output, parallel single-phase output) 2. Over shock capacity: impact load of 1/3 capacity of power supply directly without soft start

The ANFS series AC power supply adopts FPGA digital control, instantaneous waveform control and high-frequency pulse width modulation (SPWM) technologies. It has the advantages of fast response speed, high output accuracy, and superior waveform quality; it can withstand 3 times the rated current impact , a variety of output modes, which can achieve "one machine with multiple functions" to meet the needs of customers for flexible use; it adopts 8-inch color LCD with exquisite and high-grade appearance, and digital keys make the operation more convenient. Mainly used in applications such as home appliances, motors and production lines. It is one solution that meets the basic needs of traditional industries and a power supply alternative for equipment upgrades. It also provides laboratories, quality inspection units, scientific research institutes and other applications more flexible power configuration scheme. Features: 1. Adopt FPGA digital technology, realize accuracy control and high quality sine wave output; 2.Advanced power output mode management: standard three-phase output, separated three-phase output (three-phase voltage and frequency adjusted independently), parallel single-phase output (three phase parallel, single-phase output) to achieve multi-function; 3.Operating in over current shock (up to 3 times of rated current)within 2s, start the impact load of 1/3 capacity of power supply directly; 4.Adjustable voltage and frequency during output status, frequency change without transit time; 5.Measurement: voltage, current, current peak, frequency, active power, apparent power, power factor, voltage peak factor; 6.Online monitoring: monitor IGBT temperature, transformer temperature, fan speed, input voltage and other parameters during output status; 7.Operating data recorders: keep the record of power supply status and alarm code automatically during alarming, save the maintenance time; 8.Fan speed will be adjustable automatically with the temperature of power supply to reduce the noise; 9.Lock key, user-friendly design, automatically locking without operation for 5 minutes to prevent from operation mistakes; 10. 8-inch large-screen color LCD display, digital key operation; 11.Standard RS232, optional RS485, GPIB, Ethernet, analog control and other remote communication/control. Application: 1. Over shock capacity: impact load of 1/3 capacity of power supply directly without soft start. 2. Output mode management (standard three-phase output, separated three-phase output, parallel single-phase output) 3. Large-size color LCD, digital key input, knob operation 4. PC control software