- Apparel Machinery Parts[1]
- Other Construction Material Making Machinery[3]
- Pipe Making Machinery[10]
- Engines[2]
- Bending Machinery[1]
- Metal Cutting Machinery[1]
- Metal Forging Machinery[1]
- Metal Straightening Machinery[2]
- Other Metal Processing Machinery[10]
- AC Motor[1]
- Tube Welders[10]
- Saw Machinery[1]
- Hydraulic Parts[4]
- Contact Person : Ms. Lee Selina
- Company Name : Shijiazhuang Teneng Electrical & Mechanical Equipment Co., Ltd.
- Tel : 86-311-87769051
- Fax : 86-311-87763506
- Address : Hebei,Shijiazhuang,1-503, Xurilantian Apartment, No.350 Zhonghua North Street, Xinhua District, Shijiazhuang, China
- Country/Region : China
- Zip : 050061
GGP800KW solid state HF steel tube welder
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1. Applied Range
Steel pipe specification: Round pipe: φ273~φ406mm
Square pipe: 300×300mm~400×400mm
Steel pipe thickness: 6.0~14.0mm
Welding pipe type: Round pipe/square pipe/rectangular pipe
Welding mode: Induction welding/Contact welding
Typical welding speed:
For square pipe: 300×300×13mm, adopts induction welding mode, welding speed: ≥12m/min
For square pipe: 300×300×13mm, adopts contact welding mode, welding speed: ≥18m/min
For square pipe: 400×400×14mm, adopts induction welding mode, welding speed: ≥10m/min
For square pipe: 400×400×14mm, adopts contact welding mode, welding speed: ≥15m/min
2. Main Technical Index of 800kW Solid State H.F. Welder
( 1 ) Designed parameters
Nominal power: 800kW
Rated DC power: Pd=960kW
Rated DC voltage: UdN=450V
Rated DC current: IdN=2130A
The whole efficiency: η≥85%
Output power: Pout > 800kW
Designed frequency: f=150~250kHz
MOSFET inverter: 120kW×8
Tank circuit output mode: no welding transformer output, secondary resonance
( 2 ) Power distribution requirements
Nominal power: 800kW
Rated DC power: Pd=960kW
Line-in power factor: COSφ≥0.85
Power distribution capacity: S≤1130kVA
Power supply voltage: 3-phase 380V/50Hz
Line-in current: I=1740A
Line-in cable: each phase adopts three pieces of 240mm2 copper cable connected in parallel, 3-phase 4-line
( 3 ) 800kW:
With the adoption of water-water heat exchanger
Pressure of inner circulation water: 0.15~0.25MPa
Flow of inner circulation water: 46m3/h
Temperature of inner circulation out water: ≤40°C
Temperature of inner circulation back water: ≤55°C
Heat exchanger area: 25m2
Flow of external circulation water: 80m3/h(provided by user)
Temperature of external circulation inlet water: ≤35°C
Temperature rise of heat exchanger external circulation water: ≤15°C
Pressure of inlet water: 0.25~0.3MPa (approximately 2.5~3kg/cm2)
Volume for external circulation water pool: ≥80m3(provided by user)
GGP800KW solid state HF steel tube welder
