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The AC input voltage is transformed by a transformer to obtain low-voltage AC, and then rectified into DC by a thyristor to obtain the required output voltage and current. The control circuit samples the output voltage and output current, and then controls the phase angle of the thyristor trigger conduction moment through the phase control method to keep the output voltage or current stable after closed-loop feedback.
Plastic Plating, hard chromium process for tool module, hardware, surface process for hardware parts, electrolysis in harsh environment.
Parameter items | Technical Parameter | |
Power Type | Power type | Silicon controlled rectifier power supply |
Model and specification | KGYB-500A/12V | |
Cooling mode | Oil cooling | |
Rectifier type | Thyristor rectifier | |
Input | Rated input voltage | Three phase AC525V 50~60HZ |
Rated input apparent power | 7.4KVA | |
Rated input current | AC 8.2A | |
Power factor | COSΦ≥0.9 | |
Output | Output voltage | DC 0~12V |
Output current | DC 0~500A | |
Rated current stabilizing accuracy | ≤1% | |
Rated voltage stabilizing accuracy | ≤1% | |
Display accuracy | 1A,0.01V | |
Rated efficiency | η≥85% | |
Environment | Installation site | Indoor installation |
Altitude | ≤1500 Meter | |
Ambient temperature | -20℃~35℃ | |
Relative temperature | ≤90% | |
Control | Operation mode | manual control |
Display mode | digital display | |
Regulation mode | Knob adjustment | |
Structural | Structural mode | Oil cooled seal vertical structure |
Dimension | Length * width * height | The design shall be subject to the
user’s requirements |
Input wire | Copper wire | 3*2.5+2.5 Sq mm2 |
Insulation | Insulation resistance | Input-output ≥5MΩ |
Input-Casing ≥5MΩ | ||
Output-Casing ≥5MΩ | ||
Protection | It has the self-protection function under abnormal conditions
such as overvoltage, overcurrent, phase loss, short circuit and overheating |
|
Others | Load type | Ⅱclass |
Insulation class | B class | |
Noise | ≤60dB | |
Operating stute | The product can run continuously at
full load |
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