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High-Power DC Water-Cooling Capacitors for Induction Heating - China Suppliers & Factory for 380VAC, 575VAC, 660VAC Systems
General introduction
The dc filter capacitor designed for high-power series resonant induction heating system. DC water-cooling capacitors are fuctional in three-phase power supply of 380VAC, 575VAC and 660VAC (internaly connected in series). The main functions are as follows:
01
DC-link support
02
Filtering the ripple wave of both low and high frequency
03
Bypass series resonance current
Our water-cooled capacitor performs reliable electrical performance and long lifespan at high temperature.
Technical Properties
- ✓ Max frequency: 10Khz
- ✓ Whole film medium, Degradable insulating oil immersion.
- ✓ Special dielectric designs for high efficiency induction heating application
- ✓ Built-in cooling water tubes for temperature control of capacitor
- ✓ Pressure switch design for option
- ✓ Low temperature rise
- ✓ High-temperature stability and insulation property
Reference Specification datasheet
| Model | Specification | Cooling method | Voltage | capacitance | current | Terminal Nos | Dimension(mm) | Capacitor Shell | insulation bushing | Weight | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kvdc | uf | A | Length | Width | Height | Feature | Material | kg/pc | |||||
| DZMJ | 0.3-25000 | water cooling | 0.3 | 25000 | 2800 | 6 | 325 | 205 | 590 | Insulation | Patterned AL | Black porcelain | 48.4 |
| DZMJ | 0.86-1600 | water cooling | 0.86 | 1600 | 1000 | 1 | 320 | 135 | 475 | Insulation | Aluminium | white porcelain | 26.2 |
| DZMJ | 0.86-1850 | water cooling | 0.86 | 1850 | 1200 | 1 | 320 | 135 | 530 | Insulation | Aluminium | white porcelain | 28.9 |
| DZMJ | 0.86-3000 | water cooling | 0.86 | 3000 | 1500 | 1 | 440 | 135 | 490 | Insulation | Aluminium | white porcelain | 35.8 |
| DZMJ | 0.9-1850 | water cooling | 0.9 | 1850 | 1200 | 6 | 336 | 136 | 495 | Insulation | Aluminium | white porcelain | 30.2 |
| DZMJ | 0.9-3000(3) | water cooling | 0.9 | 3000 | 1500 | 1 | 445 | 137 | 425 | Insulation | Patterned AL | white porcelain | 33.4 |
| DZMJ | 0.9-3000 | water cooling | 0.9 | 3000 | 1200 | 1 | 390 | 178 | 455 | Insulation | Aluminium | white porcelain | 39.5 |
| DZMJ | 0.9-3000(2) | water cooling | 0.9 | 3000 | 1800 | 1 | 391 | 126 | 585 | Insulation | Patterned AL | Black porcelain | 37.6 |
| DZMJ | 0.9-4000(2) | water cooling | 0.9 | 4000 | 2000 | 1 | 391 | 193 | 380 | Insulation | Patterned AL | Black porcelain | 36.1 |
| DZMJ | 0.9-5000 | water cooling | 0.9 | 5000 | 2000 | 1 | 440 | 192 | 545 | Insulation | Aluminium | white porcelain | 54.7 |
| DZMJ | 0.9-5000(3) | water cooling | 0.9 | 5000 | 2500 | 1 | 391 | 183 | 485 | Insulation | Patterned AL | Black porcelain | 43.3 |
| DZMJ | 0.9-6000 | water cooling | 0.9 | 6000 | 2800 | 1 | 559 | 133 | 570 | Insulation | Patterned AL | Black porcelain | 53.5 |
| DZMJ | 1.2-1850 | water cooling | 1.2 | 1850 | 1200 | 1 | 340 | 192 | 500 | Insulation | Aluminium | white porcelain | 38.1 |
| DZMJ | 1.2-3000(2) | water cooling | 1.2 | 3000 | 1500 | 1 | 391 | 136 | 510 | Insulation | Patterned AL | Black porcelain | 34.5 |
| DZMJ | 1.2-4000(2) | water cooling | 1.2 | 4000 | 2000 | 1 | 391 | 193 | 495 | Insulation | Patterned AL | Black porcelain | 45.3 |
| DZMJ | 1.2-5000(5) | water cooling | 1.2 | 5000 | 2500 | 1 | 559 | 145 | 591 | Insulation | Patterned AL | Black porcelain | 58.2 |
| DZMJ | 1.2-7000 | water cooling | 1.2 | 7000 | 3600 | 1 | 559 | 145 | 755 | Insulation | Patterned AL | Black porcelain | 75.5 |
| DZMJ | 1.3-2000 | water cooling | 1.3 | 2000 | 1800 | 1 | 391 | 126 | 495 | Insulation | Patterned AL | Black porcelain | 32.8 |
| DZMJ | 1.3-3000 | water cooling | 1.3 | 3000 | 2000 | 1 | 391 | 136 | 510 | Insulation | Patterned AL | Black porcelain | 34.4 |
| DZMJ | 1.3-6000 | water cooling | 1.3 | 6000 | 3000 | 1 | 559 | 141 | 825 | Insulation | Patterned AL | Black porcelain | 79.9 |
| DZMJ | 1.35-5000 | water cooling | 1.35 | 5000 | 2500 | 1 | 560 | 141 | 680 | Insulation | Patterned AL | Black porcelain | 65.2 |
| DZMJ | 1.4-3000 | water cooling | 1.4 | 3000 | 1500 | 1 | 420 | 183 | 635 | Insulation | Patterned AL | Black porcelain | 60.5 |
| DZMJ | 1.5-1950 | water cooling | 1.5 | 1950 | 1500 | 1 | 440 | 140 | 775 | Insulation | Aluminium | white porcelain | 57.3 |
| DZMJ | 1.6-1950 | water cooling | 1.6 | 1950 | 2000 | 1 | 390 | 192 | 735 | Insulation | Aluminium | white porcelain | 65.2 |
| DZMJ | 1.6-2000 | water cooling | 1.6 | 2000 | 1200 | 1 | 440 | 192 | 530 | Insulation | Aluminium | white porcelain | 54.1 |
| DZMJ | 1.8-1850 | water cooling | 1.8 | 1850 | 1500 | 1 | 343 | 238 | 780 | Insulation | Aluminium | white porcelain | 71.4 |
| DZMJ | 1.8-4000 | water cooling | 1.8 | 4000 | 2000 | 1 | 559 | 141 | 780 | Insulation | Patterned AL | Black porcelain | 73.3 |
| DZMJ | 1.85-5200 | water cooling | 1.85 | 5200 | 3300 | 10 | 559 | 168 | 760 | Insulation | Patterned AL | Black porcelain | 85.2 |
Frequently Asked Questions (FAQ)
What are the primary applications of these DC filter capacitors?
They are specifically designed for high-power series resonant induction heating systems, providing high-efficiency dielectric performance.
What voltage ratings are supported by the water-cooled capacitors?
These capacitors are functional in three-phase power supplies of 380VAC, 575VAC, and 660VAC, which are internally connected in series.
What are the main functions of these capacitors?
The three main functions are: 1. DC-link support; 2. Filtering low and high-frequency ripple waves; and 3. Bypassing series resonance current.
How is the temperature regulated inside the capacitor?
The capacitor features built-in cooling water tubes designed for efficient temperature control, ensuring a low temperature rise and stable high-temperature operation.
What is the maximum operating frequency of this capacitor?
The capacitor is designed to operate at a maximum frequency of up to 10Khz.
What materials are used for the capacitor shell and insulation bushing?
The shells are made of insulation materials like Aluminium or Patterned AL, and the insulation bushings are available in either white or black porcelain depending on the model.