Product description
Functional?structure
The?solid?state?high?frequency?equipment?mainly?used?for?HF?welded?steel?pipe?line,
?it?is?a?typical?AC-DC-AC?variable?frequency?structure.?Rectifier?adopts?3-phase?bridge?style?thyristor?phase-control?rectifier?circuit,?DC?side?adopts?inductor,?
capacitor?to?compose?LC?filter?which?meet?the?working?requirements?of?voltage?type?inverter.?
The?voltage?type?inverter?adopts?modularization?parallel?structure?to?extend?power?supply?power,?
each?inverter?module?is?single?phase?MOSFET?bridge?style?circuit?connected?with?series?resonance?tank?circuit
?by?H.F.?matching?transformer.?
On?one?hand,?the?matching?transformer?realizes?power?combination?and?impedance?matching;?
on?the?other?hand?it?realizes?electric?isolation?of?load?and?power?supply.
?To?put?effective?and?swift?protection?on?over-current?malfunction?of?voltage?type?inverter,?our?company?introduces?special?and?stable?over-current?protection?circuit?which?guarantees?safe?and?stable?running?of?inverter.
? supply scope
?The?whole?set?of?solid?state?H.F.?welder?comprises?of?switchgear?rectifying?cabinet,
?inverter?output?cabinet,?connecting?optical?fiber,?circulation?soft?water?cooling?system,?
central?operator?console,?mechanical?adjustment?device,?
contact?welding?pole?plate?and?contact?pin?(contact?welding)?and?etc?
Range?of?application
Steel?pipe?welding,?stainless?pipe?welding,?aluminium?tube?welding,?
copper?tube?welding,?H-beam?welding?and?special?pipe?welding.
models
?? There are many kinds of models of this equipment,The models are as following:
GGP60-0.8-HC;GGP100-0.45-HC;GGP150-0.4-HC;GGP200-0.35-HC;GGP250-0.3-HC;GGP300-0.3-HC;GGP400-0.3-HC;GGP500-0.2-HC;GGP600-0.2HC;GGP700-0.2-HC;GGP800-0.2-HC;GGP1000-0.2-HC
;GGP1200-0.2-HC;GGP1400-0.15-HC;GGP1600-0.15HC;GGP1800-0.15-HC.