0102030405
750 VAC water cooled capacitor in Heat Treatment induction Furnace
Are you looking for a stable resonant performance for your intermediate frequency induction heating/melting furnace?
Here is an case share of 750VAC water cooled capacitor used in 667hz circuit. In intermediate frequency induction heating furnace, water-cooled capacitor usually applied as a core component in resonant compensation system. A 750 VAC rating is typically applied in 500hz~5Khz induction heating/melting system, suitable for steel, iron, copper, aluminum, and alloy melting.
750VAC water cooled capacitor specialties
● Extremely high current ranged from 1000A~4000A
● The 750VAC capacitor design focuses on current capability and dv/dt stability and heat endurance.
● Low ESR and Low ESL
● Minimal capacitance drift due to high temperature (ΔC typically < ±3%) which is super important for induction heating/melting furnace while it is under circumstance of loading material changes / frequency drift in melting stage / high-power continuous melting operation, etc.
Typical capacitor configuration in induction heating/melting furnace
● Multiple 750VAC water cooled capacitors (10~100 of μF per capacitor unit)
● Connect in parallel to handle high current
● Installed in capacitor banks or capacitor frames
Employ the capacitor as close as to induction coil for minimizing stray inductance
Precautions in the application of medium-frequency induction heating furnaces
● Cooling water quality: 6-9 PH
● Water Flow & Temperature protection required
● Regular inspection of: scaling in water channels; terminal overheating; capacitance degradation
● Capacitor current and frequency should be prioritized when select capacitor for induction furnaces.
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Technical parameter RFM 0.7-1875-0.667S
|
No |
Description |
Unit |
Data |
|
1 |
Rated voltage(AC) |
Un |
0.7 KVac |
|
2 |
Rated frequency |
Fn |
667Hz |
|
3 |
Capacity |
Qn (Kvar) |
1875 kvar |
|
4 |
Capacitance |
Cn (uF) |
795.4 μF |
|
5 |
Current |
In(A) |
2500 A |
|
6 |
water flow rate |
L/min |
8L/min |
|
7 |
Max.outlet water temp |
℃ |
≦35°C |
Mechanical parameter
|
No |
Description |
Data |
|
1 |
Case Dimension |
467*206*520mm |
|
2 |
Case Materials |
Patterned Aluminium alloy |
|
3 |
Terminal conduit |
Compound materials |
|
4 |
Max tightening Torque |
18N m |
|
5 |
Filling |
Insulation oil(PEPE), non-PCB |
|
6 |
Shell case |
Insulated |
|
7 |
Nos of cooling water tubes |
1 |
|
8 |
weight |
60.5 kg |
Outline Drawing
01020304
