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Anti harmonic intelligent power capacitor
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KD-ZLK anti harmonic intelligent power capacitor adopts customized segment LCD display, which can display three-phase bus voltage, three-phase bus current, three-phase power factor, frequency, capacitor circuit number and switching status, active power, reactive power, total harmonic voltage distortion rate, and temperature of electric container in real time.
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KD-ZLK anti harmonic intelligent power capacitor is used in 0.4KV, 50Hz low-voltage distribution reactive power compensation system, which has the characteristics of high efficiency and energy saving, reducing line loss, improving power factor and power quality, and is the latest generation of harmonic suppression reactive power compensation equipment of our company. It consists of intelligent measurement and control unit, composite switch circuit, line protection unit, reactor, △ or Y low-voltage power capacitor, etc. It replaces the conventional automatic reactive power compensation device composed of fuse, compound switch or mechanical contactor, thermal relay, low-voltage power capacitor, indicator light and other loose parts connected by wires in the cabinet and on the cabinet surface. It has changed the bulky and cumbersome structure mode of the traditional reactive power compensation device, so that the new generation of low-voltage reactive power compensation device has the characteristics of better compensation effect, smaller volume, lower power consumption, lower price, more cost saving, more flexible use, more convenient maintenance, longer service life, and higher reliability, which adapt to the higher requirements of modern power grid for reactive power compensation.
KD-ZLK anti harmonic intelligent power capacitor adopts customized segment LCD display, which can display three-phase bus voltage, three-phase bus current, three-phase power factor, frequency, capacitor circuit number and switching status, active power, reactive power, total harmonic voltage distortion rate, and temperature of electric container in real time.
KD-ZLK anti harmonic intelligent power capacitor automatically finds the best input (removal) point through the internal composite switch circuit to achieve arc free on/off; It ensures zero crossing switching, no inrush current, no sintering of contacts, micro energy consumption, no harmonic, and has the protection functions of anti-interference, lightning protection, power supply phase loss and no-load tripping.
● Zero crossing switching
Realize voltage zero crossing input, current zero crossing removal, small switching inrush current, micro power consumption, no arcing, no harmonic injection, greatly improve the withstand voltage and current impact of equipment, and reduce 80% energy consumption in conventional capacitor cabinet.
● Temperature protection
Anti harmonic intelligent power capacitor has built-in temperature sensor. It can realize overtemperature protection in case of capacitor heating caused by over-voltage, over-harmonic, large leakage current and high ambient temperature, that is, it can automatically cut off the intelligent capacitor after exceeding the set temperature and exit the operation, so as to protect the equipment.
● Phase loss protection
When three-phase A, B and C in the power grid are out of phase, the corresponding intelligent integrated harmonic suppression power capacitor compensation device that has not been put into operation will not be put into operation, and the corresponding harmonic suppression power capacitor compensation device that has been put into operation will be out of operation to protect the equipment.
● Overvoltage and undervoltage protection
When the grid voltage is higher than the set value, the corresponding intelligent capacitor will automatically exit the operation, avoiding the danger of explosion caused by long-term overvoltage operation of the capacitor, so as to protect the equipment. When the grid voltage is lower than the set value, the corresponding intelligent capacitor will automatically exit operation to protect the equipment.
● Voltage and current harmonic protection
When the grid harmonic reaches the set value, the intelligent capacitor that has not been put into operation will not be put into operation, and the intelligent capacitor that has been put into operation will be out of operation to prevent equipment damage caused by excessive harmonic.
● Environmental conditions
Altitude: ≤ 2000m
Ambient temperature: - 25~55 ° C
Relative humidity: 40 ° C, 20~90%
Atmospheric pressure: 79.5~106.0Kpa
The surrounding environment is free of conductive dust, corrosive gas and flammable and explosive media.
● Power supply conditions
Rated voltage: AC380V
Allowable deviation:+20%
Voltage waveform: sine wave, total distortion rate not greater than 5%
Power frequency: 48.5~51.5Hz
Power consumption:<0.5W (when the capacitor is switched off),<1W (when the capacitor is switched on).
Wiring mode of anti harmonic intelligent power capacitor
| 智能电容器型号 | 额定容量/kvar | LxWxH/mm |
| KD-ZLK0.48-5T7 | 5 | 500x175x405 |
| KD-ZLK0.48-10T7 | 10 | 500x175x405 |
| KD-ZLK0.48-15T7 | 15 | 500x175x405 |
| KD-ZLK0.48-20T7 | 20 | 500x175x405 |
| KD-ZLK0.48-25T7 | 25 | 500x175x405 |
| KD-ZLK0.48-30T7 | 30 | 500x175x405 |
| KD-ZLK0.48-40T7 | 40 | 500x175x460 |
| 智能电容器型号 | 额定容1/kvar | LxWxH/mm |
| KD-ZLK0.28-5F7 | 5 | 500x175x405 |
| KD-ZLK0.28-10F7 | 10 | 500x175x405 |
| KD-ZLK0.28-15F7 | 15 | 500x175x405 |
| KD-ZLK0.28-20F7 | 20 | 500x175x405 |
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