Sapphire Furnace HF Heating Power Supply

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Application Scope

The HF DC power supply is of high efficiency and reliability, which is specially developed for the Kyropoulos sapphire furnace and it, is with merits of high power factor, low harmonic current and high efficiency.

Product Principle

Combining with the control concept of current international mainstream, the heating power supply adopts the digital design to make the machine run more efficiently.

The heating power supply adopts the N + 1 redundancy technology to ensure the entire sapphire production cycle. We adopt DSP digital control mode, making the output voltage accuracy to five over ten thousand, and it has analog peripheral interface, 485 communication interface, etc. Using IGBT as power device to improve working efficiency and conform to the current trend of saving energy and reducing consumption.

Technical Features

1. Control system: We adopt American TI company DSP processor, which is of high control accuracy and high reliability. It employs PI control technology with advanced hardware and software. If there occurs fluctuation in power grid voltage, it can automatically maintain the current output power constantly.

2. HMI: It displays parameters in real time such as output voltage, current and power, etc.. It works with function of data maintained when power fails and it is easy to inquire and maintain the record of failure time and fault type.

3. High efficiency and low pollution: We adopt the phase shifting full bridge soft switching (ZVS) control technology, to realize the IGBT open and shut off under zero voltage. It greatly reduce the IGBT switching loss, the noise pollution and electromagnetic interference of the power. The output voltage waveform is completely smooth, and it runs more safe and stable.

4. High reliability: We adopt the multi-unit structure of N + 1, and the multiple units work together in normal condition. Failure of one unit does not affect the present output power and it is more convenient to maintain normal operation of equipment.

5. Perfect protection: Overtemperature protection and output over-voltage or over-current protection, output short circuit and grounding protection, the limit protection of water flow and strike fire protection, etc.

6. Flexible interface: Input and output support simulation approaches such as switch, voltage and current signal, Modbus, MB + and Profibus etc. data communications control.

Main Technical Parameters

AC InputInput voltage380V ±10%
Input current300A
Working frequency50(60}Hz±5%
DC OutputOutput Voltage0~18V
Stable-voltage precision<0.5%o< span="">
Overload capacity1.1*ln
Main characteristicsWork modeCV Cl CP
Power factor 0.95
Voltage distortion rate≤5%
Current distortion rate≤12%
Type of coolingWater cooling
ProtectionInput phase-deficientInput A、B、C three- phase, lose phase cause stop
Output overvoltage、over currentOver threshold cause stop
flow rate protectionDelayed-stop if water flow is less than setting value
Working environmentWater flow rate≥35L/Min
Water temperature5〜30℃
Water pressure0.15~0.6Mpa
Pressure between inlet and outlet0.08~0.6Mpa
Environment temperature5~40℃
Ambient humidity0 〜85% No condensation
Dimension(WxHxD) Size800 x 2200 x 1750 mm


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Q:US Industrial Electricity Voltage
2. Requirements for "Scope A": 115 ~ 120V System: When lighting: 110 ~ 125V of electrical equipment; power supply point 114 ~ 126V. No lighting: electrical equipment at 108 ~ 125V; power supply point 114 ~ 126V. 460 ~ 480V system: (including 480 / 277V three-phase four-wire system) When lighting: power equipment at 440 ~ 500V; power supply points 456 ~ 504V. No lighting: electricity equipment at 432 ~ 500V; power supply points 456 ~ 504V. 13200V system: power supply point 12870 ~ 13860V.
Q:Industrial switching power supply which brand is good, including imported.
Mingwei, Heng Fu, Mao Shuo, Huawei, Kang Su, Nova, a joint, and so on, too bad to say
Q:What is the frequency of electricity in Bangladesh?
The People's Republic of Bangladesh (Bengali: Gônôprôjatôntri Bangladesh), referred to as Bangladesh and South Asian countries, is located in the north of the Bay of Bengal, a small part of the southeastern mountainous area and Myanmar neighbors, east, west and north are connected with India, and in the northern border A large number of enclaves, the total area of 147570 square kilometers.
Q:Industrial instrument power supply with a good switching power supply or transformer
Upstairs brother who understand the wrong, 1: switching power supply unless it is more expensive resonant switching power supply, or its interference than the general composition of the transformer circuit should be large, you look at the high-end audio Why not switch power ( There are special, open-loop resonant) 2: switching power supply so-called "anti-lightning) is only one or two varistors connected in parallel at the input, anti-lightning that is what way to see the lightning, the function is limited, this and the transformer The difference is not large, the transformer and the post-pole regulator circuit .3 transformer output voltage for the exchange, want to get a stable DC voltage output must be added to the circuit, so the regulator is more stable depends on your components and circuits, not switching power supply It must be better than the transformer. I would like to say that the transformer is better than the switching power supply, but each has its own advantages and disadvantages, for the general instrument, I still recommend the use of genuine switching power supply, if it is very sensitive instrument, it is optional transformer circuit, or you will find There is interference.
Q:Why do you need to use isolated power in industrial communications?
In simple terms, the need for isolation mainly involves: communication equipment on the power of the stability and anti-interference requirements are high,
Q:Industrial control system power supply Why is the choice of DC24V power supply? Why not 17V? 11V?
which take into account a number of factors, the first is a safe voltage, the body does not produce electric shock Dangerous, the second can be regarded as a relatively high safety voltage, can reduce the current in the same power, and then 24 is a multiples of the majority, set the standard, of course, to consider and a variety of batteries are also concerned,
Q:With tl494 and do with UC3842 Which power is better?
UC3842 I now do this with switching power supply
Q:S-350-12 monitoring dedicated switching power supply 12V29A transformer connection
16 road image 29a enough, it should be connected to the wrong line, you put the power picture up
Q:Industrial 380 inverter how to enter the home 220 power supply work
Surely need to install the press
Q:Emergency lighting should not take fire special power supply, right?
2 .. Building 7 # 8 floor, if the normal power supply from the time when the fire if the fire is not strong, it is likely to cause short circuit problems may cause sparks, leakage, etc., so fire Personnel will be more trouble. Why should fire strong cut

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