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30-80KHZ SPG50K high frequency induction heater

SPG50K-15 induction heater

(1) Model: SPG50K-15
(2) Maximum input power: 15KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—100KHZ
(5) Used for heat treatment, etc.

SPG50K-15B induction heater

(1) Model: SPG50K-15B
(2) Maximum input power: 15KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—100KHZ
(5) Used for heat treatment, etc.

SPG50K-15AB induction heater

(1) Model: SPG50K-15AB
(2) Maximum input power: 15KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—100KHZ
(5) Used for heat treatment, etc.

SPG50K-15A with flexible coil

(1) Model: SPG50K-15A with flexible coil
(2) Maximum input power: 15KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—100KHZ
(5) Used for Melting of various metals, etc.

SPG50K-15AB induction heater for melting

(1) Model: SPG50K-15AB for melting
(2) Maximum input power: 15KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—100KHZ
(5) Used for Melting of various metals, etc.

SPG50K-15AB induction heater with two transformers

(1) Model: SPG50K-15AB with two transformers
(2) Maximum input power: 15KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—100KHZ
(5) Used for heat treatment, etc.

SPG50K-25A HF induction heater

(1) Model: SPG50K-25A with timer and separated transformer
(2) Maximum input power: 25KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-25B high frequency induction heater

(1) Model: SPG50K-25B with timer and separated transformer
(2) Maximum input power: 25KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-35AB HF induction heater

(1) Model: SPG50K-35AB with timer and separated transformer
(2) Maximum input power: 35KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-35B HF melting machine

(1) SPG50K-35B melting machine
(2) Maximum input power: 35KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Melting all kinds of metal with graphite or Silica crucible.

SPG50K-45 high frequency induction heater

(1) Model: SPG50K-45 Induction heating machine
(2) Maximum input power: 45KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, melting, etc.

SPG50K-45AB high frequency induction heater

(1) Model: SPG50K-45AB with timer and separated transformer
(2) Maximum input power: 45KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-70AB high frequency induction heater

(1) Model: SPG50K-70AB with timer and separated transformer
(2) Maximum input power: 70KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 20—80KHZ
(5) Used for heat treatment, etc.

SPG50K-70B induction heater with two transformers

(1) Model: SPG50K-70B with two transformers
(2) Maximum input power: 70KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 20—80KHZ
(5) Used for heat treatment, etc.

SPG50K-90B high frequency induction heater

(1) Model: SPG50K-90B
(2) Maximum input power: 90KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-100B High frequency induction heater

(1) Model: SPG50K-100B with timer and separated transformer
(2) Maximum input power: 100KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-100B-PLC high frequency induction heater

(1) Model: SPG50K-100B-PLC
(2) PLC control & touch screen operating panel
(3) Maximum input power: 100KW
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-120B high frequency induction heating machine

(1) Model: SPG50K-120B
(2) Maximum input power: 120KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-160B induction heater

(1) Model: SPG50K-160AB with timer and separated transformer
(2) Maximum input power: 160KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-240AB high frequency induction heater

(1) Model: SPG50K-240AB with timer and separated transformer
(2) Maximum input power: 240KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

SPG50K-300AB high frequency induction heater

(1) Model: SPG50K-300AB with timer and separated transformer
(2) Maximum input power: 300KW
(3) Input: 380V three phase, 50 or 60HZ
(4) Output frequency: 30—80KHZ
(5) Used for heat treatment, etc.

DetailsApplicationInstallationOther




model

Max. input power

Output frequency

input

Auxiliary function

SPG50K-15

15KW

 3080KHZ

380V 3P

50 or 60HZ

standard

 

3×415V

3×440V

3×480V

Can be ordered

1. “B” means  split type machine with connecting Cable length of 2 meters standard; up to 6 meters can be ordered.

2. “A” means machine with timer function, all models can increase timer function;

3. for example: SPG-20AB means 20KW machine with timer and separated transformer(split type)

SPG50K-25

 25KW

SPG50K-25A

SPG50K-25B

SPG50K-25AB

SPG50K-35AB

35KW

SPG50K-45AB

45KW

SPG50K-70AB

70KW

SPG50K-90AB

90KW

SPG50K-100AB

100KW

SPG50K-120AB

120KW

SPG50K-160AB

160KW

SPG50K-240AB

240KW

SPG50K-300AB

300KW

SPG50K-600AB

600KW

Larger power and special application machines can be ordered.




    1. Both SPG50K and SP have the same frequency range,but SPG50K has more advantages than SP;
   2. Maximum current through coil:  Current through coil of SPG50K machines is obviously larger than that of SP machines of same power model. For example:  maximum current of SPG50K-25B is 1350A and 900A for SP-25BD in comparison.  Larger current is much better when heating copper, aluminium or other low induction load applications. For example, in brazing copper parts, SPG50K-25B is much quicker than SP-25BD.
   3. Feature on High frequency:   Working frequency of SP machines is recommended around 50KHZ, when frequency is over 60KHZ, the machine is designed to lower power automatically to protect the IGBT. But SPG50K machines are recommended to work up to 80KHZ with full power.
   4. Feature on low frequency:  primary coil voltage of SP machine is very high, when the frequency is low, this will cause  magnetic saturation of the magnetic core, so SP machine can not work well at low frequency; SPG50K machines do not have this problem.
   5. Energy loss:  SP machines have much bigger high frequency transformer to cause much more energy loss than SPG50K machines.
   6. Reliability:  Voltage of primary coil of SP machines can be 3000~7000V high,  so spark is easy to happen with SP machines.  SPG50K is more reliable without this problem. Secondly,  Soft switching technology is used in SPG50K voltage regulate circuit, this also improve the reliability very much.
   7. Matching to the parts to be heated:  There are usually 4 matching taps in SPG50K machines, It is much easy to get the SPG50K machine to realize good matching whatever material is or application is.



These series are suitable for many applications, for example,

 (1)Heat treatment of gear and shaft

(2)Various materials to be heated for shaping 

(3)Copper contact brazing 

(4)melting  
Due to the adopting of our third generation inverting control technology, These machines are acterized not only with high power and high frequency , but also with high reliability on the condition of normal IGBT module.

 

Advantages and applications of models with Timer function:
    1. Heating power, retaining power, heating time, retaining time   can be preset and adjusted, this makes it possible to control the heating curve and heating time.
    2. It is suitable to use in the repeated heating or high speed heating of small parts;
    3. When using in brazing, with proper timing parameters, rapid heating and retaining can be achieved to keep the temperature while the brazing material is melted and then to let the brazing material spread smoothly to form good joint.


Advantages and applications of separated transformer:
     1. In these three series machines, the high frequency transformer is separated from the generator, with 2 meters connecting cable at least.
    2. It is suitable to use in the dirty or corrosive surroundings, the generator can be put in a clean space to increase the reliability.
    3. With the small size and light weight of the separated transformer, it is convenient to use in the production line and easily assembled inside the machinery or moved mechanism.


Working theory and structure
    In These series machines, series oscillating circuit is applied, through high frequency transformer, low voltage and high current power is output to go through the induction coil. The main oscillating structure is as follows:



      Inside These series machines, IGBT module and our third generation inverting control technology has been used, that is the soft and dual control and inverting technology. In this technology, output power and frequency can be controlled and adjusted separately, IGBT module and soft switching control technology are used in the high frequency switching circuit to control the output power.  In the inverting circuit, the IGBT and frequency tracing circuit is applied to achieve high speed and accurate soft switching control. The adoption of new technologies not only improves the quality and reliability of the machine,but also solve the technology problem on large power induction heating machine and makes it possible to work 100% duty cycle.
      Inside the These series machines, oscillating cap is connected to the secondary coil of the transformer, so the voltage on the primary coil of the transformer is low and problems caused by high voltage such as sparks and insulations are solved thoroughly to increase the reliability and quality of the machine. At the same time, the transformer is light and small sized with low energy consuming.


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