Solid State High Frequency Gem Smelting Equipment

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
1 unit
Supply Capability:
15 unit/month

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Product Description:

 

Application Scope                 

The welding of steel tube, stainless steel tube, aluminum tube, copper tube, H-beam and special section tube.

Function Structure

Solid state high frequency welder is mainly applied to high frequency straight seam tube mill line. The high frequency power supply adopts AC-DC-AC frequency-variable structure. The rectifier adopts 3-phase 6-pulse thyristor rectifying, IGBT DC chopping or 3-phase 12-pulse thyristor rectifying. Inverter adopts high voltage large power MOSFET to form full bridge resonant inverter. Inverter output adopts high efficiency ferrite matching transformer to accomplish power synthesis, impedance matching and electric isolation. Resonant tank circuit adopts secondary side series resonance.

The whole set equipment is composed of switchgear rectifying cabinet, inverter output cabinet, circulation soft water cooling system, console and positioning table.

 

   

Technical Features

Perfect structure design

1. Independent design of switchgear rectifying cabinet and inverter output cabinet, connected by soft cable, which is convenient for layout at user’s site.

2.Rectifier selects DC chopping to ensure grid side power coefficient≥0.92 and harmonic content is the relative lowest. Adopt 12-pulse thyristor rectifying to eliminate grid side fifth and seventh harmonic, and grid side harmonic current is the lowest.

3.Power combination of the inverter bridge is accomplished by the way of power unit superposition. Each MOSFET power unit is designed to be 50kW/100kW/150kW and slideway drawer structure, which is convenient for installation and repair.

4.High standard electromagnetism compatibility design, electromagnetism radiation meets national standard.

5.High standard electromagnetism compatibility design, electromagnetism radiation meets national standard.

 

All-digital control system

1.3-D rectifier adopts high cost performance MCU controlling to realize precise synchronism trigger with high control precision and small grid-side non characteristic harmonic.

2. Resonant inverter adopts CPLD to form full-digital control system that is characterized by their automatic constant angle, high phase-lock precise and wide scope of phase-lock.

3.The welder has electronic automatic load matching function with good load adaptability, high electrical efficiency and high power coefficient.

4.The welder has perfect protection function with reliable working and low failure rate.

 

HMI and fault diagnosis system

1.Adopt PLC and touch screen to form perfect HMI system.

2.Realize integrated automatic control of welder system.

3.Fault display and diagnosis system

 

Main Technical Parameter

model

AC input

Rated DC voltage

Rated DC current

Frequency scope

Electrical

efficiency

Working status

GGP60-0.8-H

3AC380V

50/60Hz

450V

130A

650~

800 kHz

≥85%

continuous

GGP100-0.45-H

3AC380V

50/60Hz

450V

220A

400~

450 kHz

≥85%

continuous

GGP150-0.4-H

3AC380V

50/60Hz

450V

330A

350~

400 kHz

≥85%

continuous

GGP200-0.35-H

3AC380V

50/60Hz

450V

440A

300~

350 kHz

≥85%

continuous

GGP250-0.3-H

3AC380V

50/60Hz

450V

550A

250~

300 kHz

≥85%

continuous

GGP300-0.3-H

3AC380V

50/60Hz

450V

660A

250~

300 kHz

≥85%

continuous

GGP400-0.3-H

3AC380V

50/60Hz

450V

880A

250~

300 kHz

≥85%

continuous

GGP500-0.2-H

3AC380V

50/60Hz

450V

1100A

150~

200 kHz

≥85%

continuous

GGP600-0.2H

3AC380V

50/60Hz

450V

1300A

150~

200 kHz

≥85%

continuous

GGP700-0.2-H

3AC380V

50/60Hz

450V

1500A

150~

200 kHz

≥85%

continuous

GGP800-0.2-H

3AC380V

50/60Hz

450V

1800A

150~

200 kHz

≥85%

continuous

GGP1000-0.2-H

3AC380V

50/60Hz

450V

2200A

150~

200 kHz

≥85%

continuous

GGP1200-0.2-H

3AC380V

50/60Hz

450V

2700A

150~

200 kHz

≥85%

continuous

GGP1400-0.15-H

3AC380V

50/60Hz

450V

3100A

100~

150 kHz

≥85%

continuous

GGP1600-0.15H

3AC380V

50/60Hz

450V

3600A

100~

150 kHz

≥85%

continuous

GGP1800-0.15-H

3AC380V

50/60Hz

450V

4000A

100~

150 kHz

≥85%

continuous

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