Energy-saving 0.5T induction melting furnace

Equipment type :
Device parallel resonant frequency pulse power supply 12 and two steel coreless induction melting furnace and auxiliary systems required for normal operation of the equipment.
0.5 tons of steel induction melting furnace main parameters:
in
frequency
sense
should
melt
Refining
furnace Rated Capacity t 0.5
Maximum capacity t 1
Iron temperature ®C 1450~1 8 00
Melting power consumption (hot furnace, molten steel) Kwh/t 570 ¯ 5% in the case of pure melting .
Melting consumption (heating furnace,molten iron) Kwh/t 560 ¯ 5% in the case of pure melting .
Melting rate (steel steel) h/t 0.9
cold
but
water Influent flow M3/h ≥ 40
Inlet pressure MPa 0.3
Inlet temperature ®C ≤ 32
Backwater temperature ®C ≤ 52
Tilting method   Hydraulic tilting
 
whole
flow
change
Pressure
Device Product number ZS -type
Voltage combination 10KV/380V/380V
Secondary side Δ /Y double winding, star winding midpoint extraction
Transformer capacity KVA 1000kva(two shared)
Primary voltage KV 10 ¯ 5% KV
Secondary voltage V 380 × 2
Phase Primary side 3 phase ; secondary side 6 phase connected to intermediate frequency power supply cabinet
frequency HZ 50
Connection group DdOY11 ( secondary side line voltage phase difference of 30® )
Short circuit impedance ≥ 9%
cooling method ONAN,cooling medium: 25thtransformer oil
Pressure regulation method Automatic non-excitation voltage regulation ,
effectiveness ≥ 98%,
Executive standard JB/T8636-1997 "Power Converter Transformer"
Rectifier transformer
The rectifier transformer is used to reduce the primary high voltage to the input voltage suitable for the intermediate frequency power supply. The device uses a dedicated high-impedance oil-immersed self-cooling rectifier transformer, the model is ZS series. The primary voltage of the transformer is 10KV and the secondary voltage is 380V . The rectifier transformer is equipped with a gas relay and a oil temperature relay table, which can be interlocked with the high voltage cabinet. When the transformer has gas or oil temperature exceeding the standard, the high voltage input can be automatically cut off and an alarm is issued.
 
in
frequency
Electricity
source
 
 
  rated power KW 5 00
DC voltage V 102 4
DC A 488
Number of commutating pulses pulse 12
cold
but
water Influent flow M3/h ≥ 15
Inlet pressure MPa 0.25
Inlet temperature ®C ≤ 32
Backwater temperature ®C ≤ 42
IF voltage V 2400
IF frequency Hz 8 00 can be fine-tuned
Power factor C OSφ ≥ 0.95 for any power usage
Inverter form   Parallel inverter
noise dB 85dB
Starting success rate   100%
     
     
     
       
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